diff options
Diffstat (limited to 'drivers')
252 files changed, 4051 insertions, 1139 deletions
diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c index ac7034129f3..d5fdd36190c 100644 --- a/drivers/acpi/ac.c +++ b/drivers/acpi/ac.c @@ -69,7 +69,9 @@ static const struct acpi_device_id ac_device_ids[] = { }; MODULE_DEVICE_TABLE(acpi, ac_device_ids); +#ifdef CONFIG_PM_SLEEP static int acpi_ac_resume(struct device *dev); +#endif static SIMPLE_DEV_PM_OPS(acpi_ac_pm, NULL, acpi_ac_resume); static struct acpi_driver acpi_ac_driver = { @@ -313,6 +315,7 @@ static int acpi_ac_add(struct acpi_device *device) return result; } +#ifdef CONFIG_PM_SLEEP static int acpi_ac_resume(struct device *dev) { struct acpi_ac *ac; @@ -332,6 +335,7 @@ static int acpi_ac_resume(struct device *dev) kobject_uevent(&ac->charger.dev->kobj, KOBJ_CHANGE); return 0; } +#endif static int acpi_ac_remove(struct acpi_device *device, int type) { diff --git a/drivers/acpi/acpica/achware.h b/drivers/acpi/acpica/achware.h index 5ccb99ae3a6..5de4ec72766 100644 --- a/drivers/acpi/acpica/achware.h +++ b/drivers/acpi/acpica/achware.h @@ -83,22 +83,22 @@ acpi_status acpi_hw_clear_acpi_status(void); /* * hwsleep - sleep/wake support (Legacy sleep registers) */ -acpi_status acpi_hw_legacy_sleep(u8 sleep_state, u8 flags); +acpi_status acpi_hw_legacy_sleep(u8 sleep_state); -acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state, u8 flags); +acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state); -acpi_status acpi_hw_legacy_wake(u8 sleep_state, u8 flags); +acpi_status acpi_hw_legacy_wake(u8 sleep_state); /* * hwesleep - sleep/wake support (Extended FADT-V5 sleep registers) */ void acpi_hw_execute_sleep_method(char *method_name, u32 integer_argument); -acpi_status acpi_hw_extended_sleep(u8 sleep_state, u8 flags); +acpi_status acpi_hw_extended_sleep(u8 sleep_state); -acpi_status acpi_hw_extended_wake_prep(u8 sleep_state, u8 flags); +acpi_status acpi_hw_extended_wake_prep(u8 sleep_state); -acpi_status acpi_hw_extended_wake(u8 sleep_state, u8 flags); +acpi_status acpi_hw_extended_wake(u8 sleep_state); /* * hwvalid - Port I/O with validation diff --git a/drivers/acpi/acpica/hwesleep.c b/drivers/acpi/acpica/hwesleep.c index 48518dac534..94996f9ae3a 100644 --- a/drivers/acpi/acpica/hwesleep.c +++ b/drivers/acpi/acpica/hwesleep.c @@ -90,7 +90,6 @@ void acpi_hw_execute_sleep_method(char *method_pathname, u32 integer_argument) * FUNCTION: acpi_hw_extended_sleep * * PARAMETERS: sleep_state - Which sleep state to enter - * flags - ACPI_EXECUTE_GTS to run optional method * * RETURN: Status * @@ -100,7 +99,7 @@ void acpi_hw_execute_sleep_method(char *method_pathname, u32 integer_argument) * ******************************************************************************/ -acpi_status acpi_hw_extended_sleep(u8 sleep_state, u8 flags) +acpi_status acpi_hw_extended_sleep(u8 sleep_state) { acpi_status status; u8 sleep_type_value; @@ -125,12 +124,6 @@ acpi_status acpi_hw_extended_sleep(u8 sleep_state, u8 flags) acpi_gbl_system_awake_and_running = FALSE; - /* Optionally execute _GTS (Going To Sleep) */ - - if (flags & ACPI_EXECUTE_GTS) { - acpi_hw_execute_sleep_method(METHOD_PATHNAME__GTS, sleep_state); - } - /* Flush caches, as per ACPI specification */ ACPI_FLUSH_CPU_CACHE(); @@ -172,7 +165,6 @@ acpi_status acpi_hw_extended_sleep(u8 sleep_state, u8 flags) * FUNCTION: acpi_hw_extended_wake_prep * * PARAMETERS: sleep_state - Which sleep state we just exited - * flags - ACPI_EXECUTE_BFS to run optional method * * RETURN: Status * @@ -181,7 +173,7 @@ acpi_status acpi_hw_extended_sleep(u8 sleep_state, u8 flags) * ******************************************************************************/ -acpi_status acpi_hw_extended_wake_prep(u8 sleep_state, u8 flags) +acpi_status acpi_hw_extended_wake_prep(u8 sleep_state) { acpi_status status; u8 sleep_type_value; @@ -200,11 +192,6 @@ acpi_status acpi_hw_extended_wake_prep(u8 sleep_state, u8 flags) &acpi_gbl_FADT.sleep_control); } - /* Optionally execute _BFS (Back From Sleep) */ - - if (flags & ACPI_EXECUTE_BFS) { - acpi_hw_execute_sleep_method(METHOD_PATHNAME__BFS, sleep_state); - } return_ACPI_STATUS(AE_OK); } @@ -222,7 +209,7 @@ acpi_status acpi_hw_extended_wake_prep(u8 sleep_state, u8 flags) * ******************************************************************************/ -acpi_status acpi_hw_extended_wake(u8 sleep_state, u8 flags) +acpi_status acpi_hw_extended_wake(u8 sleep_state) { ACPI_FUNCTION_TRACE(hw_extended_wake); diff --git a/drivers/acpi/acpica/hwsleep.c b/drivers/acpi/acpica/hwsleep.c index 9960fe9ef53..3fddde056a5 100644 --- a/drivers/acpi/acpica/hwsleep.c +++ b/drivers/acpi/acpica/hwsleep.c @@ -56,7 +56,6 @@ ACPI_MODULE_NAME("hwsleep") * FUNCTION: acpi_hw_legacy_sleep * * PARAMETERS: sleep_state - Which sleep state to enter - * flags - ACPI_EXECUTE_GTS to run optional method * * RETURN: Status * @@ -64,7 +63,7 @@ ACPI_MODULE_NAME("hwsleep") * THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED * ******************************************************************************/ -acpi_status acpi_hw_legacy_sleep(u8 sleep_state, u8 flags) +acpi_status acpi_hw_legacy_sleep(u8 sleep_state) { struct acpi_bit_register_info *sleep_type_reg_info; struct acpi_bit_register_info *sleep_enable_reg_info; @@ -110,12 +109,6 @@ acpi_status acpi_hw_legacy_sleep(u8 sleep_state, u8 flags) return_ACPI_STATUS(status); } - /* Optionally execute _GTS (Going To Sleep) */ - - if (flags & ACPI_EXECUTE_GTS) { - acpi_hw_execute_sleep_method(METHOD_PATHNAME__GTS, sleep_state); - } - /* Get current value of PM1A control */ status = acpi_hw_register_read(ACPI_REGISTER_PM1_CONTROL, @@ -214,7 +207,6 @@ acpi_status acpi_hw_legacy_sleep(u8 sleep_state, u8 flags) * FUNCTION: acpi_hw_legacy_wake_prep * * PARAMETERS: sleep_state - Which sleep state we just exited - * flags - ACPI_EXECUTE_BFS to run optional method * * RETURN: Status * @@ -224,7 +216,7 @@ acpi_status acpi_hw_legacy_sleep(u8 sleep_state, u8 flags) * ******************************************************************************/ -acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state, u8 flags) +acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state) { acpi_status status; struct acpi_bit_register_info *sleep_type_reg_info; @@ -275,11 +267,6 @@ acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state, u8 flags) } } - /* Optionally execute _BFS (Back From Sleep) */ - - if (flags & ACPI_EXECUTE_BFS) { - acpi_hw_execute_sleep_method(METHOD_PATHNAME__BFS, sleep_state); - } return_ACPI_STATUS(status); } @@ -288,7 +275,6 @@ acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state, u8 flags) * FUNCTION: acpi_hw_legacy_wake * * PARAMETERS: sleep_state - Which sleep state we just exited - * flags - Reserved, set to zero * * RETURN: Status * @@ -297,7 +283,7 @@ acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state, u8 flags) * ******************************************************************************/ -acpi_status acpi_hw_legacy_wake(u8 sleep_state, u8 flags) +acpi_status acpi_hw_legacy_wake(u8 sleep_state) { acpi_status status; diff --git a/drivers/acpi/acpica/hwxfsleep.c b/drivers/acpi/acpica/hwxfsleep.c index f8684bfe790..1f165a750ae 100644 --- a/drivers/acpi/acpica/hwxfsleep.c +++ b/drivers/acpi/acpica/hwxfsleep.c @@ -50,7 +50,7 @@ ACPI_MODULE_NAME("hwxfsleep") /* Local prototypes */ static acpi_status -acpi_hw_sleep_dispatch(u8 sleep_state, u8 flags, u32 function_id); +acpi_hw_sleep_dispatch(u8 sleep_state, u32 function_id); /* * Dispatch table used to efficiently branch to the various sleep @@ -235,7 +235,7 @@ ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state_s4bios) * ******************************************************************************/ static acpi_status -acpi_hw_sleep_dispatch(u8 sleep_state, u8 flags, u32 function_id) +acpi_hw_sleep_dispatch(u8 sleep_state, u32 function_id) { acpi_status status; struct acpi_sleep_functions *sleep_functions = @@ -248,11 +248,11 @@ acpi_hw_sleep_dispatch(u8 sleep_state, u8 flags, u32 function_id) * use the extended sleep registers */ if (acpi_gbl_reduced_hardware || acpi_gbl_FADT.sleep_control.address) { - status = sleep_functions->extended_function(sleep_state, flags); + status = sleep_functions->extended_function(sleep_state); } else { /* Legacy sleep */ - status = sleep_functions->legacy_function(sleep_state, flags); + status = sleep_functions->legacy_function(sleep_state); } return (status); @@ -262,7 +262,7 @@ acpi_hw_sleep_dispatch(u8 sleep_state, u8 flags, u32 function_id) * For the case where reduced-hardware-only code is being generated, * we know that only the extended sleep registers are available */ - status = sleep_functions->extended_function(sleep_state, flags); + status = sleep_functions->extended_function(sleep_state); return (status); #endif /* !ACPI_REDUCED_HARDWARE */ @@ -349,7 +349,6 @@ ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state_prep) * FUNCTION: acpi_enter_sleep_state * * PARAMETERS: sleep_state - Which sleep state to enter - * flags - ACPI_EXECUTE_GTS to run optional method * * RETURN: Status * @@ -357,7 +356,7 @@ ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state_prep) * THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED * ******************************************************************************/ -acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state, u8 flags) +acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state) { acpi_status status; @@ -371,7 +370,7 @@ acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state, u8 flags) } status = - acpi_hw_sleep_dispatch(sleep_state, flags, ACPI_SLEEP_FUNCTION_ID); + acpi_hw_sleep_dispatch(sleep_state, ACPI_SLEEP_FUNCTION_ID); return_ACPI_STATUS(status); } @@ -391,14 +390,14 @@ ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state) * Called with interrupts DISABLED. * ******************************************************************************/ -acpi_status acpi_leave_sleep_state_prep(u8 sleep_state, u8 flags) +acpi_status acpi_leave_sleep_state_prep(u8 sleep_state) { acpi_status status; ACPI_FUNCTION_TRACE(acpi_leave_sleep_state_prep); status = - acpi_hw_sleep_dispatch(sleep_state, flags, + acpi_hw_sleep_dispatch(sleep_state, ACPI_WAKE_PREP_FUNCTION_ID); return_ACPI_STATUS(status); } @@ -423,8 +422,7 @@ acpi_status acpi_leave_sleep_state(u8 sleep_state) ACPI_FUNCTION_TRACE(acpi_leave_sleep_state); - - status = acpi_hw_sleep_dispatch(sleep_state, 0, ACPI_WAKE_FUNCTION_ID); + status = acpi_hw_sleep_dispatch(sleep_state, ACPI_WAKE_FUNCTION_ID); return_ACPI_STATUS(status); } diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index ff2c876ec41..45e3e1759fb 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -1052,6 +1052,7 @@ static int acpi_battery_remove(struct acpi_device *device, int type) return 0; } +#ifdef CONFIG_PM_SLEEP /* this is needed to learn about changes made in suspended state */ static int acpi_battery_resume(struct device *dev) { @@ -1068,6 +1069,7 @@ static int acpi_battery_resume(struct device *dev) acpi_battery_update(battery); return 0; } +#endif static SIMPLE_DEV_PM_OPS(acpi_battery_pm, NULL, acpi_battery_resume); diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c index 79d4c22f7a6..314a3b84bbc 100644 --- a/drivers/acpi/button.c +++ b/drivers/acpi/button.c @@ -78,7 +78,9 @@ static int acpi_button_add(struct acpi_device *device); static int acpi_button_remove(struct acpi_device *device, int type); static void acpi_button_notify(struct acpi_device *device, u32 event); +#ifdef CONFIG_PM_SLEEP static int acpi_button_resume(struct device *dev); +#endif static SIMPLE_DEV_PM_OPS(acpi_button_pm, NULL, acpi_button_resume); static struct acpi_driver acpi_button_driver = { @@ -310,6 +312,7 @@ static void acpi_button_notify(struct acpi_device *device, u32 event) } } +#ifdef CONFIG_PM_SLEEP static int acpi_button_resume(struct device *dev) { struct acpi_device *device = to_acpi_device(dev); @@ -319,6 +322,7 @@ static int acpi_button_resume(struct device *dev) return acpi_lid_send_state(device); return 0; } +#endif static int acpi_button_add(struct acpi_device *device) { diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c index 669d9ee80d1..bc36a476f1a 100644 --- a/drivers/acpi/fan.c +++ b/drivers/acpi/fan.c @@ -53,8 +53,10 @@ static const struct acpi_device_id fan_device_ids[] = { }; MODULE_DEVICE_TABLE(acpi, fan_device_ids); +#ifdef CONFIG_PM_SLEEP static int acpi_fan_suspend(struct device *dev); static int acpi_fan_resume(struct device *dev); +#endif static SIMPLE_DEV_PM_OPS(acpi_fan_pm, acpi_fan_suspend, acpi_fan_resume); static struct acpi_driver acpi_fan_driver = { @@ -184,6 +186,7 @@ static int acpi_fan_remove(struct acpi_device *device, int type) return 0; } +#ifdef CONFIG_PM_SLEEP static int acpi_fan_suspend(struct device *dev) { if (!dev) @@ -207,6 +210,7 @@ static int acpi_fan_resume(struct device *dev) return result; } +#endif static int __init acpi_fan_init(void) { diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c index e56f3be7b07..cb31298ca68 100644 --- a/drivers/acpi/numa.c +++ b/drivers/acpi/numa.c @@ -237,6 +237,8 @@ acpi_parse_processor_affinity(struct acpi_subtable_header *header, return 0; } +static int __initdata parsed_numa_memblks; + static int __init acpi_parse_memory_affinity(struct acpi_subtable_header * header, const unsigned long end) @@ -250,8 +252,8 @@ acpi_parse_memory_affinity(struct acpi_subtable_header * header, acpi_table_print_srat_entry(header); /* let architecture-dependent part to do it */ - acpi_numa_memory_affinity_init(memory_affinity); - + if (!acpi_numa_memory_affinity_init(memory_affinity)) + parsed_numa_memblks++; return 0; } @@ -304,8 +306,10 @@ int __init acpi_numa_init(void) acpi_numa_arch_fixup(); - if (cnt <= 0) - return cnt ?: -ENOENT; + if (cnt < 0) + return cnt; + else if (!parsed_numa_memblks) + return -ENOENT; return 0; } diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index ec54014c321..72a2c98bc42 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -573,8 +573,15 @@ static int __devinit acpi_pci_root_add(struct acpi_device *device) OSC_CLOCK_PWR_CAPABILITY_SUPPORT; if (pci_msi_enabled()) flags |= OSC_MSI_SUPPORT; - if (flags != base_flags) - acpi_pci_osc_support(root, flags); + if (flags != base_flags) { + status = acpi_pci_osc_support(root, flags); + if (ACPI_FAILURE(status)) { + dev_info(root->bus->bridge, "ACPI _OSC support " + "notification failed, disabling PCIe ASPM\n"); + pcie_no_aspm(); + flags = base_flags; + } + } if (!pcie_ports_disabled && (flags & ACPI_PCIE_REQ_SUPPORT) == ACPI_PCIE_REQ_SUPPORT) { diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c index 215ecd09740..fc180341462 100644 --- a/drivers/acpi/power.c +++ b/drivers/acpi/power.c @@ -67,7 +67,9 @@ static const struct acpi_device_id power_device_ids[] = { }; MODULE_DEVICE_TABLE(acpi, power_device_ids); +#ifdef CONFIG_PM_SLEEP static int acpi_power_resume(struct device *dev); +#endif static SIMPLE_DEV_PM_OPS(acpi_power_pm, NULL, acpi_power_resume); static struct acpi_driver acpi_power_driver = { @@ -775,6 +777,7 @@ static int acpi_power_remove(struct acpi_device *device, int type) return 0; } +#ifdef CONFIG_PM_SLEEP static int acpi_power_resume(struct device *dev) { int result = 0, state; @@ -803,6 +806,7 @@ static int acpi_power_resume(struct device *dev) return result; } +#endif int __init acpi_power_init(void) { diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c index ff8e04f2fab..bfc31cb0dd3 100644 --- a/drivers/acpi/processor_driver.c +++ b/drivers/acpi/processor_driver.c @@ -437,7 +437,7 @@ static int acpi_cpu_soft_notify(struct notifier_block *nfb, /* Normal CPU soft online event */ } else { acpi_processor_ppc_has_changed(pr, 0); - acpi_processor_cst_has_changed(pr); + acpi_processor_hotplug(pr); acpi_processor_reevaluate_tstate(pr, action); acpi_processor_tstate_has_changed(pr); } diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c index c0b9aa5faf4..ff0740e0a9c 100644 --- a/drivers/acpi/sbs.c +++ b/drivers/acpi/sbs.c @@ -988,6 +988,7 @@ static void acpi_sbs_rmdirs(void) #endif } +#ifdef CONFIG_PM_SLEEP static int acpi_sbs_resume(struct device *dev) { struct acpi_sbs *sbs; @@ -997,6 +998,7 @@ static int acpi_sbs_resume(struct device *dev) acpi_sbs_callback(sbs); return 0; } +#endif static SIMPLE_DEV_PM_OPS(acpi_sbs_pm, NULL, acpi_sbs_resume); diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index 7a7a9c92924..fdcdbb65291 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -28,36 +28,7 @@ #include "internal.h" #include "sleep.h" -u8 wake_sleep_flags = ACPI_NO_OPTIONAL_METHODS; -static unsigned int gts, bfs; -static int set_param_wake_flag(const char *val, struct kernel_param *kp) -{ - int ret = param_set_int(val, kp); - - if (ret) - return ret; - - if (kp->arg == (const char *)>s) { - if (gts) - wake_sleep_flags |= ACPI_EXECUTE_GTS; - else - wake_sleep_flags &= ~ACPI_EXECUTE_GTS; - } - if (kp->arg == (const char *)&bfs) { - if (bfs) - wake_sleep_flags |= ACPI_EXECUTE_BFS; - else - wake_sleep_flags &= ~ACPI_EXECUTE_BFS; - } - return ret; -} -module_param_call(gts, set_param_wake_flag, param_get_int, >s, 0644); -module_param_call(bfs, set_param_wake_flag, param_get_int, &bfs, 0644); -MODULE_PARM_DESC(gts, "Enable evaluation of _GTS on suspend."); -MODULE_PARM_DESC(bfs, "Enable evaluation of _BFS on resume".); - static u8 sleep_states[ACPI_S_STATE_COUNT]; -static bool pwr_btn_event_pending; static void acpi_sleep_tts_switch(u32 acpi_state) { @@ -110,6 +81,7 @@ static int acpi_sleep_prepare(u32 acpi_state) #ifdef CONFIG_ACPI_SLEEP static u32 acpi_target_sleep_state = ACPI_STATE_S0; +static bool pwr_btn_event_pending; /* * The ACPI specification wants us to save NVS memory regions during hibernation @@ -305,7 +277,7 @@ static int acpi_suspend_enter(suspend_state_t pm_state) switch (acpi_state) { case ACPI_STATE_S1: barrier(); - status = acpi_enter_sleep_state(acpi_state, wake_sleep_flags); + status = acpi_enter_sleep_state(acpi_state); break; case ACPI_STATE_S3: @@ -319,8 +291,8 @@ static int acpi_suspend_enter(suspend_state_t pm_state) /* This violates the spec but is required for bug compatibility. */ acpi_write_bit_register(ACPI_BITREG_SCI_ENABLE, 1); - /* Reprogram control registers and execute _BFS */ - acpi_leave_sleep_state_prep(acpi_state, wake_sleep_flags); + /* Reprogram control registers */ + acpi_leave_sleep_state_prep(acpi_state); /* ACPI 3.0 specs (P62) says that it's the responsibility * of the OSPM to clear the status bit [ implying that the @@ -603,9 +575,9 @@ static int acpi_hibernation_enter(void) ACPI_FLUSH_CPU_CACHE(); /* This shouldn't return. If it returns, we have a problem */ - status = acpi_enter_sleep_state(ACPI_STATE_S4, wake_sleep_flags); - /* Reprogram control registers and execute _BFS */ - acpi_leave_sleep_state_prep(ACPI_STATE_S4, wake_sleep_flags); + status = acpi_enter_sleep_state(ACPI_STATE_S4); + /* Reprogram control registers */ + acpi_leave_sleep_state_prep(ACPI_STATE_S4); return ACPI_SUCCESS(status) ? 0 : -EFAULT; } @@ -617,8 +589,8 @@ static void acpi_hibernation_leave(void) * enable it here. */ acpi_enable(); - /* Reprogram control registers and execute _BFS */ - acpi_leave_sleep_state_prep(ACPI_STATE_S4, wake_sleep_flags); + /* Reprogram control registers */ + acpi_leave_sleep_state_prep(ACPI_STATE_S4); /* Check the hardware signature */ if (facs && s4_hardware_signature != facs->hardware_signature) { printk(KERN_EMERG "ACPI: Hardware changed while hibernated, " @@ -892,33 +864,7 @@ static void acpi_power_off(void) /* acpi_sleep_prepare(ACPI_STATE_S5) should have already been called */ printk(KERN_DEBUG "%s called\n", __func__); local_irq_disable(); - acpi_enter_sleep_state(ACPI_STATE_S5, wake_sleep_flags); -} - -/* - * ACPI 2.0 created the optional _GTS and _BFS, - * but industry adoption has been neither rapid nor broad. - * - * Linux gets into trouble when it executes poorly validated - * paths through the BIOS, so disable _GTS and _BFS by default, - * but do speak up and offer the option to enable them. - */ -static void __init acpi_gts_bfs_check(void) -{ - acpi_handle dummy; - - if (ACPI_SUCCESS(acpi_get_handle(ACPI_ROOT_OBJECT, METHOD_PATHNAME__GTS, &dummy))) - { - printk(KERN_NOTICE PREFIX "BIOS offers _GTS\n"); - printk(KERN_NOTICE PREFIX "If \"acpi.gts=1\" improves suspend, " - "please notify linux-acpi@vger.kernel.org\n"); - } - if (ACPI_SUCCESS(acpi_get_handle(ACPI_ROOT_OBJECT, METHOD_PATHNAME__BFS, &dummy))) - { - printk(KERN_NOTICE PREFIX "BIOS offers _BFS\n"); - printk(KERN_NOTICE PREFIX "If \"acpi.bfs=1\" improves resume, " - "please notify linux-acpi@vger.kernel.org\n"); - } + acpi_enter_sleep_state(ACPI_STATE_S5); } int __init acpi_sleep_init(void) @@ -979,6 +925,5 @@ int __init acpi_sleep_init(void) * object can also be evaluated when the system enters S5. */ register_reboot_notifier(&tts_notifier); - acpi_gts_bfs_check(); return 0; } diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c index 240a2440097..7c3f98ba4af 100644 --- a/drivers/acpi/sysfs.c +++ b/drivers/acpi/sysfs.c @@ -173,7 +173,7 @@ static int param_set_trace_state(const char *val, struct kernel_param *kp) { int result = 0; - if (!strncmp(val, "enable", strlen("enable"))) { + if (!strncmp(val, "enable", sizeof("enable") - 1)) { result = acpi_debug_trace(trace_method_name, trace_debug_level, trace_debug_layer, 0); if (result) @@ -181,7 +181,7 @@ static int param_set_trace_state(const char *val, struct kernel_param *kp) goto exit; } - if (!strncmp(val, "disable", strlen("disable"))) { + if (!strncmp(val, "disable", sizeof("disable") - 1)) { int name = 0; result = acpi_debug_trace((char *)&name, trace_debug_level, trace_debug_layer, 0); diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index 9fe90e9fecb..edda74a4340 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c @@ -106,7 +106,9 @@ static const struct acpi_device_id thermal_device_ids[] = { }; MODULE_DEVICE_TABLE(acpi, thermal_device_ids); +#ifdef CONFIG_PM_SLEEP static int acpi_thermal_resume(struct device *dev); +#endif static SIMPLE_DEV_PM_OPS(acpi_thermal_pm, NULL, acpi_thermal_resume); static struct acpi_driver acpi_thermal_driver = { @@ -1041,6 +1043,7 @@ static int acpi_thermal_remove(struct acpi_device *device, int type) return 0; } +#ifdef CONFIG_PM_SLEEP static int acpi_thermal_resume(struct device *dev) { struct acpi_thermal *tz; @@ -1075,6 +1078,7 @@ static int acpi_thermal_resume(struct device *dev) return AE_OK; } +#endif static int thermal_act(const struct dmi_system_id *d) { diff --git a/drivers/atm/iphase.c b/drivers/atm/iphase.c index d4386019af5..96cce6d5319 100644 --- a/drivers/atm/iphase.c +++ b/drivers/atm/iphase.c @@ -2362,7 +2362,7 @@ static int __devinit ia_init(struct atm_dev *dev) { printk(DEV_LABEL " (itf %d): can't set up page mapping\n", dev->number); - return error; + return -ENOMEM; } IF_INIT(printk(DEV_LABEL " (itf %d): rev.%d,base=%p,irq=%d\n", dev->number, iadev->pci->revision, base, iadev->irq);) diff --git a/drivers/base/core.c b/drivers/base/core.c index f338037a4f3..5e6e00bc165 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -1865,6 +1865,7 @@ int __dev_printk(const char *level, const struct device *dev, struct va_format *vaf) { char dict[128]; + const char *level_extra = ""; size_t dictlen = 0; const char *subsys; @@ -1911,10 +1912,14 @@ int __dev_printk(const char *level, const struct device *dev, "DEVICE=+%s:%s", subsys, dev_name(dev)); } skip: + if (level[2]) + level_extra = &level[2]; /* skip past KERN_SOH "L" */ + return printk_emit(0, level[1] - '0', dictlen ? dict : NULL, dictlen, - "%s %s: %pV", - dev_driver_string(dev), dev_name(dev), vaf); + "%s %s: %s%pV", + dev_driver_string(dev), dev_name(dev), + level_extra, vaf); } EXPORT_SYMBOL(__dev_printk); diff --git a/drivers/base/power/clock_ops.c b/drivers/base/power/clock_ops.c index 869d7ff2227..eb78e9640c4 100644 --- a/drivers/base/power/clock_ops.c +++ b/drivers/base/power/clock_ops.c @@ -169,8 +169,7 @@ void pm_clk_init(struct device *dev) */ int pm_clk_create(struct device *dev) { - int ret = dev_pm_get_subsys_data(dev); - return ret < 0 ? ret : 0; + return dev_pm_get_subsys_data(dev); } /** diff --git a/drivers/base/power/common.c b/drivers/base/power/common.c index a14085cc613..39c32529b83 100644 --- a/drivers/base/power/common.c +++ b/drivers/base/power/common.c @@ -24,7 +24,6 @@ int dev_pm_get_subsys_data(struct device *dev) { struct pm_subsys_data *psd; - int ret = 0; psd = kzalloc(sizeof(*psd), GFP_KERNEL); if (!psd) @@ -40,7 +39,6 @@ int dev_pm_get_subsys_data(struct device *dev) dev->power.subsys_data = psd; pm_clk_init(dev); psd = NULL; - ret = 1; } spin_unlock_irq(&dev->power.lock); @@ -48,7 +46,7 @@ int dev_pm_get_subsys_data(struct device *dev) /* kfree() verifies that its argument is nonzero. */ kfree(psd); - return ret; + return 0; } EXPORT_SYMBOL_GPL(dev_pm_get_subsys_data); diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c index 59894873a3b..7d9c1cb1c39 100644 --- a/drivers/base/power/runtime.c +++ b/drivers/base/power/runtime.c @@ -147,6 +147,8 @@ static int rpm_check_suspend_allowed(struct device *dev) || (dev->power.request_pending && dev->power.request == RPM_REQ_RESUME)) retval = -EAGAIN; + else if (__dev_pm_qos_read_value(dev) < 0) + retval = -EPERM; else if (dev->power.runtime_status == RPM_SUSPENDED) retval = 1; @@ -388,7 +390,6 @@ static int rpm_suspend(struct device *dev, int rpmflags) goto repeat; } - dev->power.deferred_resume = false; if (dev->power.no_callbacks) goto no_callback; /* Assume success. */ @@ -403,12 +404,6 @@ static int rpm_suspend(struct device *dev, int rpmflags) goto out; } - if (__dev_pm_qos_read_value(dev) < 0) { - /* Negative PM QoS constraint means "never suspend". */ - retval = -EPERM; - goto out; - } - __update_runtime_status(dev, RPM_SUSPENDING); if (dev->pm_domain) @@ -440,6 +435,7 @@ static int rpm_suspend(struct device *dev, int rpmflags) wake_up_all(&dev->power.wait_queue); if (dev->power.deferred_resume) { + dev->power.deferred_resume = false; rpm_resume(dev, 0); retval = -EAGAIN; goto out; @@ -584,6 +580,7 @@ static int rpm_resume(struct device *dev, int rpmflags) || dev->parent->power.runtime_status == RPM_ACTIVE) { atomic_inc(&dev->parent->power.child_count); spin_unlock(&dev->parent->power.lock); + retval = 1; goto no_callback; /* Assume success. */ } spin_unlock(&dev->parent->power.lock); @@ -664,7 +661,7 @@ static int rpm_resume(struct device *dev, int rpmflags) } wake_up_all(&dev->power.wait_queue); - if (!retval) + if (retval >= 0) rpm_idle(dev, RPM_ASYNC); out: diff --git a/drivers/bcma/host_pci.c b/drivers/bcma/host_pci.c index 11b32d2642d..a6e5672c67e 100644 --- a/drivers/bcma/host_pci.c +++ b/drivers/bcma/host_pci.c @@ -272,6 +272,7 @@ static DEFINE_PCI_DEVICE_TABLE(bcma_pci_bridge_tbl) = { { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4331) }, { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4353) }, { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4357) }, + { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4359) }, { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4727) }, { 0, }, }; diff --git a/drivers/bcma/sprom.c b/drivers/bcma/sprom.c index 26823d97fd9..9ea4627dc0c 100644 --- a/drivers/bcma/sprom.c +++ b/drivers/bcma/sprom.c @@ -507,7 +507,9 @@ static bool bcma_sprom_onchip_available(struct bcma_bus *bus) /* for these chips OTP is always available */ present = true; break; - + case BCMA_CHIP_ID_BCM43228: + present = chip_status & BCMA_CC_CHIPST_43228_OTP_PRESENT; + break; default: present = false; break; diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index 2e0e7fc1dbb..dbe6135a2ab 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -3537,9 +3537,9 @@ static void drbd_cleanup(void) } /** - * drbd_congested() - Callback for pdflush + * drbd_congested() - Callback for the flusher thread * @congested_data: User data - * @bdi_bits: Bits pdflush is currently interested in + * @bdi_bits: Bits the BDI flusher thread is currently interested in * * Returns 1<<BDI_async_congested and/or 1<<BDI_sync_congested if we are congested. */ diff --git a/drivers/char/agp/intel-agp.h b/drivers/char/agp/intel-agp.h index 57226424690..6f007b6c240 100644 --- a/drivers/char/agp/intel-agp.h +++ b/drivers/char/agp/intel-agp.h @@ -239,16 +239,45 @@ #define PCI_DEVICE_ID_INTEL_IVYBRIDGE_S_GT2_IG 0x016A #define PCI_DEVICE_ID_INTEL_VALLEYVIEW_HB 0x0F00 /* VLV1 */ #define PCI_DEVICE_ID_INTEL_VALLEYVIEW_IG 0x0F30 -#define PCI_DEVICE_ID_INTEL_HASWELL_HB 0x0400 /* Desktop */ +#define PCI_DEVICE_ID_INTEL_HASWELL_HB 0x0400 /* Desktop */ #define PCI_DEVICE_ID_INTEL_HASWELL_D_GT1_IG 0x0402 #define PCI_DEVICE_ID_INTEL_HASWELL_D_GT2_IG 0x0412 -#define PCI_DEVICE_ID_INTEL_HASWELL_M_HB 0x0404 /* Mobile */ +#define PCI_DEVICE_ID_INTEL_HASWELL_D_GT2_PLUS_IG 0x0422 +#define PCI_DEVICE_ID_INTEL_HASWELL_M_HB 0x0404 /* Mobile */ #define PCI_DEVICE_ID_INTEL_HASWELL_M_GT1_IG 0x0406 #define PCI_DEVICE_ID_INTEL_HASWELL_M_GT2_IG 0x0416 -#define PCI_DEVICE_ID_INTEL_HASWELL_S_HB 0x0408 /* Server */ +#define PCI_DEVICE_ID_INTEL_HASWELL_M_GT2_PLUS_IG 0x0426 +#define PCI_DEVICE_ID_INTEL_HASWELL_S_HB 0x0408 /* Server */ #define PCI_DEVICE_ID_INTEL_HASWELL_S_GT1_IG 0x040a #define PCI_DEVICE_ID_INTEL_HASWELL_S_GT2_IG 0x041a -#define PCI_DEVICE_ID_INTEL_HASWELL_SDV 0x0c16 /* SDV */ -#define PCI_DEVICE_ID_INTEL_HASWELL_E_HB 0x0c04 +#define PCI_DEVICE_ID_INTEL_HASWELL_S_GT2_PLUS_IG 0x042a +#define PCI_DEVICE_ID_INTEL_HASWELL_E_HB 0x0c04 +#define PCI_DEVICE_ID_INTEL_HASWELL_SDV_D_GT1_IG 0x0C02 +#define PCI_DEVICE_ID_INTEL_HASWELL_SDV_D_GT2_IG 0x0C12 +#define PCI_DEVICE_ID_INTEL_HASWELL_SDV_D_GT2_PLUS_IG 0x0C22 +#define PCI_DEVICE_ID_INTEL_HASWELL_SDV_M_GT1_IG 0x0C06 +#define PCI_DEVICE_ID_INTEL_HASWELL_SDV_M_GT2_IG 0x0C16 +#define PCI_DEVICE_ID_INTEL_HASWELL_SDV_M_GT2_PLUS_IG 0x0C26 +#define PCI_DEVICE_ID_INTEL_HASWELL_SDV_S_GT1_IG 0x0C0A +#define PCI_DEVICE_ID_INTEL_HASWELL_SDV_S_GT2_IG 0x0C1A +#define PCI_DEVICE_ID_INTEL_HASWELL_SDV_S_GT2_PLUS_IG 0x0C2A +#define PCI_DEVICE_ID_INTEL_HASWELL_ULT_D_GT1_IG 0x0A02 +#define PCI_DEVICE_ID_INTEL_HASWELL_ULT_D_GT2_IG 0x0A12 +#define PCI_DEVICE_ID_INTEL_HASWELL_ULT_D_GT2_PLUS_IG 0x0A22 +#define PCI_DEVICE_ID_INTEL_HASWELL_ULT_M_GT1_IG 0x0A06 +#define PCI_DEVICE_ID_INTEL_HASWELL_ULT_M_GT2_IG 0x0A16 +#define PCI_DEVICE_ID_INTEL_HASWELL_ULT_M_GT2_PLUS_IG 0x0A26 +#define PCI_DEVICE_ID_INTEL_HASWELL_ULT_S_GT1_IG 0x0A0A +#define PCI_DEVICE_ID_INTEL_HASWELL_ULT_S_GT2_IG 0x0A1A +#define PCI_DEVICE_ID_INTEL_HASWELL_ULT_S_GT2_PLUS_IG 0x0A2A +#define PCI_DEVICE_ID_INTEL_HASWELL_CRW_D_GT1_IG 0x0D12 +#define PCI_DEVICE_ID_INTEL_HASWELL_CRW_D_GT2_IG 0x0D22 +#define PCI_DEVICE_ID_INTEL_HASWELL_CRW_D_GT2_PLUS_IG 0x0D32 +#define PCI_DEVICE_ID_INTEL_HASWELL_CRW_M_GT1_IG 0x0D16 +#define PCI_DEVICE_ID_INTEL_HASWELL_CRW_M_GT2_IG 0x0D26 +#define PCI_DEVICE_ID_INTEL_HASWELL_CRW_M_GT2_PLUS_IG 0x0D36 +#define PCI_DEVICE_ID_INTEL_HASWELL_CRW_S_GT1_IG 0x0D1A +#define PCI_DEVICE_ID_INTEL_HASWELL_CRW_S_GT2_IG 0x0D2A +#define PCI_DEVICE_ID_INTEL_HASWELL_CRW_S_GT2_PLUS_IG 0x0D3A #endif diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c index 9ed92ef5829..08fc5cbb13c 100644 --- a/drivers/char/agp/intel-gtt.c +++ b/drivers/char/agp/intel-gtt.c @@ -1502,15 +1502,73 @@ static const struct intel_gtt_driver_description { "Haswell", &sandybridge_gtt_driver }, { PCI_DEVICE_ID_INTEL_HASWELL_D_GT2_IG, "Haswell", &sandybridge_gtt_driver }, + { PCI_DEVICE_ID_INTEL_HASWELL_D_GT2_PLUS_IG, + "Haswell", &sandybridge_gtt_driver }, { PCI_DEVICE_ID_INTEL_HASWELL_M_GT1_IG, "Haswell", &sandybridge_gtt_driver }, { PCI_DEVICE_ID_INTEL_HASWELL_M_GT2_IG, "Haswell", &sandybridge_gtt_driver }, + { PCI_DEVICE_ID_INTEL_HASWELL_M_GT2_PLUS_IG, + "Haswell", &sandybridge_gtt_driver }, { PCI_DEVICE_ID_INTEL_HASWELL_S_GT1_IG, "Haswell", &sandybridge_gtt_driver }, { PCI_DEVICE_ID_INTEL_HASWELL_S_GT2_IG, "Haswell", &sandybridge_gtt_driver }, - { PCI_DEVICE_ID_INTEL_HASWELL_SDV, + { PCI_DEVICE_ID_INTEL_HASWELL_S_GT2_PLUS_IG, + "Haswell", &sandybridge_gtt_driver }, + { PCI_DEVICE_ID_INTEL_HASWELL_SDV_D_GT1_IG, + "Haswell", &sandybridge_gtt_driver }, + { PCI_DEVICE_ID_INTEL_HASWELL_SDV_D_GT2_IG, + "Haswell", &sandybridge_gtt_driver }, + { PCI_DEVICE_ID_INTEL_HASWELL_SDV_D_GT2_PLUS_IG, + "Haswell", &sandybridge_gtt_driver }, + { PCI_DEVICE_ID_INTEL_HASWELL_SDV_M_GT1_IG, + "Haswell", &sandybridge_gtt_driver }, + { PCI_DEVICE_ID_INTEL_HASWELL_SDV_M_GT2_IG, + "Haswell", &sandybridge_gtt_driver }, + { PCI_DEVICE_ID_INTEL_HASWELL_SDV_M_GT2_PLUS_IG, + "Haswell", &sandybridge_gtt_driver }, + { PCI_DEVICE_ID_INTEL_HASWELL_SDV_S_GT1_IG, + "Haswell", &sandybridge_gtt_driver }, + { PCI_DEVICE_ID_INTEL_HASWELL_SDV_S_GT2_IG, + "Haswell", &sandybridge_gtt_driver }, + { PCI_DEVICE_ID_INTEL_HASWELL_SDV_S_GT2_PLUS_IG, + "Haswell", &sandybridge_gtt_driver }, + { PCI_DEVICE_ID_INTEL_HASWELL_ULT_D_GT1_IG, + "Haswell", &sandybridge_gtt_driver }, + { PCI_DEVICE_ID_INTEL_HASWELL_ULT_D_GT2_IG, + "Haswell", &sandybridge_gtt_driver }, + { PCI_DEVICE_ID_INTEL_HASWELL_ULT_D_GT2_PLUS_IG, + "Haswell", &sandybridge_gtt_driver }, + { PCI_DEVICE_ID_INTEL_HASWELL_ULT_M_GT1_IG, + "Haswell", &sandybridge_gtt_driver }, + { PCI_DEVICE_ID_INTEL_HASWELL_ULT_M_GT2_IG, + "Haswell", &sandybridge_gtt_driver }, + { PCI_DEVICE_ID_INTEL_HASWELL_ULT_M_GT2_PLUS_IG, + "Haswell", &sandybridge_gtt_driver }, + { PCI_DEVICE_ID_INTEL_HASWELL_ULT_S_GT1_IG, + "Haswell", &sandybridge_gtt_driver }, + { PCI_DEVICE_ID_INTEL_HASWELL_ULT_S_GT2_IG, + "Haswell", &sandybridge_gtt_driver }, + { PCI_DEVICE_ID_INTEL_HASWELL_ULT_S_GT2_PLUS_IG, + "Haswell", &sandybridge_gtt_driver }, + { PCI_DEVICE_ID_INTEL_HASWELL_CRW_D_GT1_IG, + "Haswell", &sandybridge_gtt_driver }, + { PCI_DEVICE_ID_INTEL_HASWELL_CRW_D_GT2_IG, + "Haswell", &sandybridge_gtt_driver }, + { PCI_DEVICE_ID_INTEL_HASWELL_CRW_D_GT2_PLUS_IG, + "Haswell", &sandybridge_gtt_driver }, + { PCI_DEVICE_ID_INTEL_HASWELL_CRW_M_GT1_IG, + "Haswell", &sandybridge_gtt_driver }, + { PCI_DEVICE_ID_INTEL_HASWELL_CRW_M_GT2_IG, + "Haswell", &sandybridge_gtt_driver }, + { PCI_DEVICE_ID_INTEL_HASWELL_CRW_M_GT2_PLUS_IG, + "Haswell", &sandybridge_gtt_driver }, + { PCI_DEVICE_ID_INTEL_HASWELL_CRW_S_GT1_IG, + "Haswell", &sandybridge_gtt_driver }, + { PCI_DEVICE_ID_INTEL_HASWELL_CRW_S_GT2_IG, + "Haswell", &sandybridge_gtt_driver }, + { PCI_DEVICE_ID_INTEL_HASWELL_CRW_S_GT2_PLUS_IG, "Haswell", &sandybridge_gtt_driver }, { 0, NULL, NULL } }; diff --git a/drivers/char/hw_random/omap-rng.c b/drivers/char/hw_random/omap-rng.c index d706bd0e9e8..4fbdceb6f77 100644 --- a/drivers/char/hw_random/omap-rng.c +++ b/drivers/char/hw_random/omap-rng.c @@ -160,7 +160,7 @@ static int __exit omap_rng_remove(struct platform_device *pdev) return 0; } -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP static int omap_rng_suspend(struct device *dev) { diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c index 89682fa8801..c4be3519a58 100644 --- a/drivers/char/tpm/tpm_tis.c +++ b/drivers/char/tpm/tpm_tis.c @@ -807,6 +807,7 @@ module_param_string(hid, tpm_pnp_tbl[TIS_HID_USR_IDX].id, MODULE_PARM_DESC(hid, "Set additional specific HID for this driver to probe"); #endif +#ifdef CONFIG_PM_SLEEP static int tpm_tis_resume(struct device *dev) { struct tpm_chip *chip = dev_get_drvdata(dev); @@ -816,6 +817,7 @@ static int tpm_tis_resume(struct device *dev) return tpm_pm_resume(dev); } +#endif static SIMPLE_DEV_PM_OPS(tpm_tis_pm, tpm_pm_suspend, tpm_tis_resume); diff --git a/drivers/cpufreq/pcc-cpufreq.c b/drivers/cpufreq/pcc-cpufreq.c index cdc02ac8f41..503996a94a6 100644 --- a/drivers/cpufreq/pcc-cpufreq.c +++ b/drivers/cpufreq/pcc-cpufreq.c @@ -454,6 +454,7 @@ static int __init pcc_cpufreq_probe(void) mem_resource->address_length); if (pcch_virt_addr == NULL) { pr_debug("probe: could not map shared mem region\n"); + ret = -ENOMEM; goto out_free; } pcch_hdr = pcch_virt_addr; diff --git a/drivers/cpuidle/coupled.c b/drivers/cpuidle/coupled.c index 2c9bf269223..3265844839b 100644 --- a/drivers/cpuidle/coupled.c +++ b/drivers/cpuidle/coupled.c @@ -678,10 +678,22 @@ static int cpuidle_coupled_cpu_notify(struct notifier_block *nb, int cpu = (unsigned long)hcpu; struct cpuidle_device *dev; + switch (action & ~CPU_TASKS_FROZEN) { + case CPU_UP_PREPARE: + case CPU_DOWN_PREPARE: + case CPU_ONLINE: + case CPU_DEAD: + case CPU_UP_CANCELED: + case CPU_DOWN_FAILED: + break; + default: + return NOTIFY_OK; + } + mutex_lock(&cpuidle_lock); dev = per_cpu(cpuidle_devices, cpu); - if (!dev->coupled) + if (!dev || !dev->coupled) goto out; switch (action & ~CPU_TASKS_FROZEN) { diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c index fcfeb3cd8d3..5084975d793 100644 --- a/drivers/dma/imx-dma.c +++ b/drivers/dma/imx-dma.c @@ -172,7 +172,8 @@ struct imxdma_engine { struct device_dma_parameters dma_parms; struct dma_device dma_device; void __iomem *base; - struct clk *dma_clk; + struct clk *dma_ahb; + struct clk *dma_ipg; spinlock_t lock; struct imx_dma_2d_config slots_2d[IMX_DMA_2D_SLOTS]; struct imxdma_channel channel[IMX_DMA_CHANNELS]; @@ -976,10 +977,20 @@ static int __init imxdma_probe(struct platform_device *pdev) return 0; } - imxdma->dma_clk = clk_get(NULL, "dma"); - if (IS_ERR(imxdma->dma_clk)) - return PTR_ERR(imxdma->dma_clk); - clk_enable(imxdma->dma_clk); + imxdma->dma_ipg = devm_clk_get(&pdev->dev, "ipg"); + if (IS_ERR(imxdma->dma_ipg)) { + ret = PTR_ERR(imxdma->dma_ipg); + goto err_clk; + } + + imxdma->dma_ahb = devm_clk_get(&pdev->dev, "ahb"); + if (IS_ERR(imxdma->dma_ahb)) { + ret = PTR_ERR(imxdma->dma_ahb); + goto err_clk; + } + + clk_prepare_enable(imxdma->dma_ipg); + clk_prepare_enable(imxdma->dma_ahb); /* reset DMA module */ imx_dmav1_writel(imxdma, DCR_DRST, DMA_DCR); @@ -988,16 +999,14 @@ static int __init imxdma_probe(struct platform_device *pdev) ret = request_irq(MX1_DMA_INT, dma_irq_handler, 0, "DMA", imxdma); if (ret) { dev_warn(imxdma->dev, "Can't register IRQ for DMA\n"); - kfree(imxdma); - return ret; + goto err_enable; } ret = request_irq(MX1_DMA_ERR, imxdma_err_handler, 0, "DMA", imxdma); if (ret) { dev_warn(imxdma->dev, "Can't register ERRIRQ for DMA\n"); free_irq(MX1_DMA_INT, NULL); - kfree(imxdma); - return ret; + goto err_enable; } } @@ -1094,7 +1103,10 @@ err_init: free_irq(MX1_DMA_INT, NULL); free_irq(MX1_DMA_ERR, NULL); } - +err_enable: + clk_disable_unprepare(imxdma->dma_ipg); + clk_disable_unprepare(imxdma->dma_ahb); +err_clk: kfree(imxdma); return ret; } @@ -1114,7 +1126,9 @@ static int __exit imxdma_remove(struct platform_device *pdev) free_irq(MX1_DMA_ERR, NULL); } - kfree(imxdma); + clk_disable_unprepare(imxdma->dma_ipg); + clk_disable_unprepare(imxdma->dma_ahb); + kfree(imxdma); return 0; } diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c index d52dbc6c54a..24acd711e03 100644 --- a/drivers/dma/tegra20-apb-dma.c +++ b/drivers/dma/tegra20-apb-dma.c @@ -1119,15 +1119,21 @@ struct dma_async_tx_descriptor *tegra_dma_prep_dma_cyclic( static int tegra_dma_alloc_chan_resources(struct dma_chan *dc) { struct tegra_dma_channel *tdc = to_tegra_dma_chan(dc); + struct tegra_dma *tdma = tdc->tdma; + int ret; dma_cookie_init(&tdc->dma_chan); tdc->config_init = false; - return 0; + ret = clk_prepare_enable(tdma->dma_clk); + if (ret < 0) + dev_err(tdc2dev(tdc), "clk_prepare_enable failed: %d\n", ret); + return ret; } static void tegra_dma_free_chan_resources(struct dma_chan *dc) { struct tegra_dma_channel *tdc = to_tegra_dma_chan(dc); + struct tegra_dma *tdma = tdc->tdma; struct tegra_dma_desc *dma_desc; struct tegra_dma_sg_req *sg_req; @@ -1163,6 +1169,7 @@ static void tegra_dma_free_chan_resources(struct dma_chan *dc) list_del(&sg_req->node); kfree(sg_req); } + clk_disable_unprepare(tdma->dma_clk); } /* Tegra20 specific DMA controller information */ @@ -1255,6 +1262,13 @@ static int __devinit tegra_dma_probe(struct platform_device *pdev) } } + /* Enable clock before accessing registers */ + ret = clk_prepare_enable(tdma->dma_clk); + if (ret < 0) { + dev_err(&pdev->dev, "clk_prepare_enable failed: %d\n", ret); + goto err_pm_disable; + } + /* Reset DMA controller */ tegra_periph_reset_assert(tdma->dma_clk); udelay(2); @@ -1265,6 +1279,8 @@ static int __devinit tegra_dma_probe(struct platform_device *pdev) tdma_write(tdma, TEGRA_APBDMA_CONTROL, 0); tdma_write(tdma, TEGRA_APBDMA_IRQ_MASK_SET, 0xFFFFFFFFul); + clk_disable_unprepare(tdma->dma_clk); + INIT_LIST_HEAD(&tdma->dma_dev.channels); for (i = 0; i < cdata->nr_channels; i++) { struct tegra_dma_channel *tdc = &tdma->channels[i]; diff --git a/drivers/extcon/extcon_gpio.c b/drivers/extcon/extcon_gpio.c index fe3db45fa83..3cc152e690b 100644 --- a/drivers/extcon/extcon_gpio.c +++ b/drivers/extcon/extcon_gpio.c @@ -107,7 +107,8 @@ static int __devinit gpio_extcon_probe(struct platform_device *pdev) if (ret < 0) return ret; - ret = gpio_request_one(extcon_data->gpio, GPIOF_DIR_IN, pdev->name); + ret = devm_gpio_request_one(&pdev->dev, extcon_data->gpio, GPIOF_DIR_IN, + pdev->name); if (ret < 0) goto err; diff --git a/drivers/gpio/gpio-em.c b/drivers/gpio/gpio-em.c index 150d9768811..ae37181798b 100644 --- a/drivers/gpio/gpio-em.c +++ b/drivers/gpio/gpio-em.c @@ -266,7 +266,7 @@ static int __devinit em_gio_irq_domain_init(struct em_gio_priv *p) return 0; } -static void __devexit em_gio_irq_domain_cleanup(struct em_gio_priv *p) +static void em_gio_irq_domain_cleanup(struct em_gio_priv *p) { struct gpio_em_config *pdata = p->pdev->dev.platform_data; diff --git a/drivers/gpio/gpio-langwell.c b/drivers/gpio/gpio-langwell.c index a1c8754f52c..202a99207b7 100644 --- a/drivers/gpio/gpio-langwell.c +++ b/drivers/gpio/gpio-langwell.c @@ -339,7 +339,7 @@ static int __devinit lnw_gpio_probe(struct pci_dev *pdev, resource_size_t start, len; struct lnw_gpio *lnw; u32 gpio_base; - int retval = 0; + int retval; int ngpio = id->driver_data; retval = pci_enable_device(pdev); @@ -357,6 +357,7 @@ static int __devinit lnw_gpio_probe(struct pci_dev *pdev, base = ioremap_nocache(start, len); if (!base) { dev_err(&pdev->dev, "error mapping bar1\n"); + retval = -EFAULT; goto err3; } gpio_base = *((u32 *)base + 1); @@ -381,8 +382,10 @@ static int __devinit lnw_gpio_probe(struct pci_dev *pdev, lnw->domain = irq_domain_add_linear(pdev->dev.of_node, ngpio, &lnw_gpio_irq_ops, lnw); - if (!lnw->domain) + if (!lnw->domain) { + retval = -ENOMEM; goto err3; + } lnw->reg_base = base; lnw->chip.label = dev_name(&pdev->dev); diff --git a/drivers/gpio/gpio-msic.c b/drivers/gpio/gpio-msic.c index 71a838f4450..b3898628586 100644 --- a/drivers/gpio/gpio-msic.c +++ b/drivers/gpio/gpio-msic.c @@ -99,7 +99,7 @@ static int msic_gpio_to_oreg(unsigned offset) if (offset < 20) return INTEL_MSIC_GPIO0HV0CTLO - offset + 16; - return INTEL_MSIC_GPIO1HV0CTLO + offset + 20; + return INTEL_MSIC_GPIO1HV0CTLO - offset + 20; } static int msic_gpio_direction_input(struct gpio_chip *chip, unsigned offset) diff --git a/drivers/gpio/gpio-mxc.c b/drivers/gpio/gpio-mxc.c index 4db460b6ecf..80f44bb64a8 100644 --- a/drivers/gpio/gpio-mxc.c +++ b/drivers/gpio/gpio-mxc.c @@ -465,9 +465,8 @@ static int __devinit mxc_gpio_probe(struct platform_device *pdev) goto out_iounmap; port->bgc.gc.to_irq = mxc_gpio_to_irq; - port->bgc.gc.base = pdev->id * 32; - port->bgc.dir = port->bgc.read_reg(port->bgc.reg_dir); - port->bgc.data = port->bgc.read_reg(port->bgc.reg_set); + port->bgc.gc.base = (pdev->id < 0) ? of_alias_get_id(np, "gpio") * 32 : + pdev->id * 32; err = gpiochip_add(&port->bgc.gc); if (err) diff --git a/drivers/gpio/gpio-pxa.c b/drivers/gpio/gpio-pxa.c index 58a6a63a6ec..9cac88a65f7 100644 --- a/drivers/gpio/gpio-pxa.c +++ b/drivers/gpio/gpio-pxa.c @@ -62,6 +62,7 @@ int pxa_last_gpio; #ifdef CONFIG_OF static struct irq_domain *domain; +static struct device_node *pxa_gpio_of_node; #endif struct pxa_gpio_chip { @@ -277,6 +278,24 @@ static void pxa_gpio_set(struct gpio_chip *chip, unsigned offset, int value) (value ? GPSR_OFFSET : GPCR_OFFSET)); } +#ifdef CONFIG_OF_GPIO +static int pxa_gpio_of_xlate(struct gpio_chip *gc, + const struct of_phandle_args *gpiospec, + u32 *flags) +{ + if (gpiospec->args[0] > pxa_last_gpio) + return -EINVAL; + + if (gc != &pxa_gpio_chips[gpiospec->args[0] / 32].chip) + return -EINVAL; + + if (flags) + *flags = gpiospec->args[1]; + + return gpiospec->args[0] % 32; +} +#endif + static int __devinit pxa_init_gpio_chip(int gpio_end, int (*set_wake)(unsigned int, unsigned int)) { @@ -304,6 +323,11 @@ static int __devinit pxa_init_gpio_chip(int gpio_end, c->get = pxa_gpio_get; c->set = pxa_gpio_set; c->to_irq = pxa_gpio_to_irq; +#ifdef CONFIG_OF_GPIO + c->of_node = pxa_gpio_of_node; + c->of_xlate = pxa_gpio_of_xlate; + c->of_gpio_n_cells = 2; +#endif /* number of GPIOs on last bank may be less than 32 */ c->ngpio = (gpio + 31 > gpio_end) ? (gpio_end - gpio + 1) : 32; @@ -488,6 +512,7 @@ static int pxa_gpio_nums(void) return count; } +#ifdef CONFIG_OF static struct of_device_id pxa_gpio_dt_ids[] = { { .compatible = "mrvl,pxa-gpio" }, { .compatible = "mrvl,mmp-gpio", .data = (void *)MMP_GPIO }, @@ -505,9 +530,9 @@ static int pxa_irq_domain_map(struct irq_domain *d, unsigned int irq, const struct irq_domain_ops pxa_irq_domain_ops = { .map = pxa_irq_domain_map, + .xlate = irq_domain_xlate_twocell, }; -#ifdef CONFIG_OF static int __devinit pxa_gpio_probe_dt(struct platform_device *pdev) { int ret, nr_banks, nr_gpios, irq_base; @@ -545,6 +570,7 @@ static int __devinit pxa_gpio_probe_dt(struct platform_device *pdev) } domain = irq_domain_add_legacy(np, nr_gpios, irq_base, 0, &pxa_irq_domain_ops, NULL); + pxa_gpio_of_node = np; return 0; err: iounmap(gpio_reg_base); @@ -653,7 +679,7 @@ static struct platform_driver pxa_gpio_driver = { .probe = pxa_gpio_probe, .driver = { .name = "pxa-gpio", - .of_match_table = pxa_gpio_dt_ids, + .of_match_table = of_match_ptr(pxa_gpio_dt_ids), }, }; diff --git a/drivers/gpio/gpio-samsung.c b/drivers/gpio/gpio-samsung.c index 92f7b2bb79d..ba126cc0407 100644 --- a/drivers/gpio/gpio-samsung.c +++ b/drivers/gpio/gpio-samsung.c @@ -2454,12 +2454,6 @@ static struct samsung_gpio_chip exynos5_gpios_1[] = { }, }, { .chip = { - .base = EXYNOS5_GPC4(0), - .ngpio = EXYNOS5_GPIO_C4_NR, - .label = "GPC4", - }, - }, { - .chip = { .base = EXYNOS5_GPD0(0), .ngpio = EXYNOS5_GPIO_D0_NR, .label = "GPD0", @@ -2513,6 +2507,12 @@ static struct samsung_gpio_chip exynos5_gpios_1[] = { .label = "GPY6", }, }, { + .chip = { + .base = EXYNOS5_GPC4(0), + .ngpio = EXYNOS5_GPIO_C4_NR, + .label = "GPC4", + }, + }, { .config = &samsung_gpio_cfgs[9], .irq_base = IRQ_EINT(0), .chip = { @@ -2836,7 +2836,7 @@ static __init void exynos5_gpiolib_init(void) } /* need to set base address for gpc4 */ - exynos5_gpios_1[11].base = gpio_base1 + 0x2E0; + exynos5_gpios_1[20].base = gpio_base1 + 0x2E0; /* need to set base address for gpx */ chip = &exynos5_gpios_1[21]; diff --git a/drivers/gpio/gpio-sch.c b/drivers/gpio/gpio-sch.c index 424dce8e3f3..8707d4572a0 100644 --- a/drivers/gpio/gpio-sch.c +++ b/drivers/gpio/gpio-sch.c @@ -241,7 +241,8 @@ static int __devinit sch_gpio_probe(struct platform_device *pdev) break; default: - return -ENODEV; + err = -ENODEV; + goto err_sch_gpio_core; } sch_gpio_core.dev = &pdev->dev; diff --git a/drivers/gpu/drm/drm_edid_load.c b/drivers/gpu/drm/drm_edid_load.c index 66d4a28ad5a..0303935d10e 100644 --- a/drivers/gpu/drm/drm_edid_load.c +++ b/drivers/gpu/drm/drm_edid_load.c @@ -119,7 +119,7 @@ static int edid_load(struct drm_connector *connector, char *name, { const struct firmware *fw; struct platform_device *pdev; - u8 *fwdata = NULL, *edid; + u8 *fwdata = NULL, *edid, *new_edid; int fwsize, expected; int builtin = 0, err = 0; int i, valid_extensions = 0; @@ -195,12 +195,14 @@ static int edid_load(struct drm_connector *connector, char *name, "\"%s\" for connector \"%s\"\n", valid_extensions, edid[0x7e], name, connector_name); edid[0x7e] = valid_extensions; - edid = krealloc(edid, (valid_extensions + 1) * EDID_LENGTH, + new_edid = krealloc(edid, (valid_extensions + 1) * EDID_LENGTH, GFP_KERNEL); - if (edid == NULL) { + if (new_edid == NULL) { err = -ENOMEM; + kfree(edid); goto relfw_out; } + edid = new_edid; } connector->display_info.raw_edid = edid; diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index ed22612bc84..a24ffbe97c0 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -346,11 +346,40 @@ static const struct pci_device_id pciidlist[] = { /* aka */ INTEL_VGA_DEVICE(0x016a, &intel_ivybridge_d_info), /* GT2 server */ INTEL_VGA_DEVICE(0x0402, &intel_haswell_d_info), /* GT1 desktop */ INTEL_VGA_DEVICE(0x0412, &intel_haswell_d_info), /* GT2 desktop */ + INTEL_VGA_DEVICE(0x0422, &intel_haswell_d_info), /* GT2 desktop */ INTEL_VGA_DEVICE(0x040a, &intel_haswell_d_info), /* GT1 server */ INTEL_VGA_DEVICE(0x041a, &intel_haswell_d_info), /* GT2 server */ + INTEL_VGA_DEVICE(0x042a, &intel_haswell_d_info), /* GT2 server */ INTEL_VGA_DEVICE(0x0406, &intel_haswell_m_info), /* GT1 mobile */ INTEL_VGA_DEVICE(0x0416, &intel_haswell_m_info), /* GT2 mobile */ - INTEL_VGA_DEVICE(0x0c16, &intel_haswell_d_info), /* SDV */ + INTEL_VGA_DEVICE(0x0426, &intel_haswell_m_info), /* GT2 mobile */ + INTEL_VGA_DEVICE(0x0C02, &intel_haswell_d_info), /* SDV GT1 desktop */ + INTEL_VGA_DEVICE(0x0C12, &intel_haswell_d_info), /* SDV GT2 desktop */ + INTEL_VGA_DEVICE(0x0C22, &intel_haswell_d_info), /* SDV GT2 desktop */ + INTEL_VGA_DEVICE(0x0C0A, &intel_haswell_d_info), /* SDV GT1 server */ + INTEL_VGA_DEVICE(0x0C1A, &intel_haswell_d_info), /* SDV GT2 server */ + INTEL_VGA_DEVICE(0x0C2A, &intel_haswell_d_info), /* SDV GT2 server */ + INTEL_VGA_DEVICE(0x0C06, &intel_haswell_m_info), /* SDV GT1 mobile */ + INTEL_VGA_DEVICE(0x0C16, &intel_haswell_m_info), /* SDV GT2 mobile */ + INTEL_VGA_DEVICE(0x0C26, &intel_haswell_m_info), /* SDV GT2 mobile */ + INTEL_VGA_DEVICE(0x0A02, &intel_haswell_d_info), /* ULT GT1 desktop */ + INTEL_VGA_DEVICE(0x0A12, &intel_haswell_d_info), /* ULT GT2 desktop */ + INTEL_VGA_DEVICE(0x0A22, &intel_haswell_d_info), /* ULT GT2 desktop */ + INTEL_VGA_DEVICE(0x0A0A, &intel_haswell_d_info), /* ULT GT1 server */ + INTEL_VGA_DEVICE(0x0A1A, &intel_haswell_d_info), /* ULT GT2 server */ + INTEL_VGA_DEVICE(0x0A2A, &intel_haswell_d_info), /* ULT GT2 server */ + INTEL_VGA_DEVICE(0x0A06, &intel_haswell_m_info), /* ULT GT1 mobile */ + INTEL_VGA_DEVICE(0x0A16, &intel_haswell_m_info), /* ULT GT2 mobile */ + INTEL_VGA_DEVICE(0x0A26, &intel_haswell_m_info), /* ULT GT2 mobile */ + INTEL_VGA_DEVICE(0x0D12, &intel_haswell_d_info), /* CRW GT1 desktop */ + INTEL_VGA_DEVICE(0x0D22, &intel_haswell_d_info), /* CRW GT2 desktop */ + INTEL_VGA_DEVICE(0x0D32, &intel_haswell_d_info), /* CRW GT2 desktop */ + INTEL_VGA_DEVICE(0x0D1A, &intel_haswell_d_info), /* CRW GT1 server */ + INTEL_VGA_DEVICE(0x0D2A, &intel_haswell_d_info), /* CRW GT2 server */ + INTEL_VGA_DEVICE(0x0D3A, &intel_haswell_d_info), /* CRW GT2 server */ + INTEL_VGA_DEVICE(0x0D16, &intel_haswell_m_info), /* CRW GT1 mobile */ + INTEL_VGA_DEVICE(0x0D26, &intel_haswell_m_info), /* CRW GT2 mobile */ + INTEL_VGA_DEVICE(0x0D36, &intel_haswell_m_info), /* CRW GT2 mobile */ INTEL_VGA_DEVICE(0x0f30, &intel_valleyview_m_info), INTEL_VGA_DEVICE(0x0157, &intel_valleyview_m_info), INTEL_VGA_DEVICE(0x0155, &intel_valleyview_d_info), diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c index da8b01fb1bf..a9d58d72bb4 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.c +++ b/drivers/gpu/drm/i915/i915_gem_context.c @@ -451,7 +451,6 @@ int i915_switch_context(struct intel_ring_buffer *ring, struct drm_i915_file_private *file_priv = NULL; struct i915_hw_context *to; struct drm_i915_gem_object *from_obj = ring->last_context_obj; - int ret; if (dev_priv->hw_contexts_disabled) return 0; diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c index 5af631e788c..ff2819ea081 100644 --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c @@ -291,6 +291,16 @@ i915_gem_execbuffer_relocate_entry(struct drm_i915_gem_object *obj, target_i915_obj = to_intel_bo(target_obj); target_offset = target_i915_obj->gtt_offset; + /* Sandybridge PPGTT errata: We need a global gtt mapping for MI and + * pipe_control writes because the gpu doesn't properly redirect them + * through the ppgtt for non_secure batchbuffers. */ + if (unlikely(IS_GEN6(dev) && + reloc->write_domain == I915_GEM_DOMAIN_INSTRUCTION && + !target_i915_obj->has_global_gtt_mapping)) { + i915_gem_gtt_bind_object(target_i915_obj, + target_i915_obj->cache_level); + } + /* The target buffer should have appeared before us in the * exec_object list, so it should have a GTT space bound by now. */ @@ -399,16 +409,6 @@ i915_gem_execbuffer_relocate_entry(struct drm_i915_gem_object *obj, io_mapping_unmap_atomic(reloc_page); } - /* Sandybridge PPGTT errata: We need a global gtt mapping for MI and - * pipe_control writes because the gpu doesn't properly redirect them - * through the ppgtt for non_secure batchbuffers. */ - if (unlikely(IS_GEN6(dev) && - reloc->write_domain == I915_GEM_DOMAIN_INSTRUCTION && - !target_i915_obj->has_global_gtt_mapping)) { - i915_gem_gtt_bind_object(target_i915_obj, - target_i915_obj->cache_level); - } - /* and update the user's relocation entry */ reloc->presumed_offset = target_offset; diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 9fd25a43553..ee9b68f6bc3 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -361,7 +361,8 @@ int i915_gem_gtt_prepare_object(struct drm_i915_gem_object *obj) struct drm_device *dev = obj->base.dev; struct drm_i915_private *dev_priv = dev->dev_private; - if (dev_priv->mm.gtt->needs_dmar) + /* don't map imported dma buf objects */ + if (dev_priv->mm.gtt->needs_dmar && !obj->sg_table) return intel_gtt_map_memory(obj->pages, obj->base.size >> PAGE_SHIFT, &obj->sg_list, diff --git a/drivers/gpu/drm/i915/i915_sysfs.c b/drivers/gpu/drm/i915/i915_sysfs.c index 2f5388af8df..7631807a278 100644 --- a/drivers/gpu/drm/i915/i915_sysfs.c +++ b/drivers/gpu/drm/i915/i915_sysfs.c @@ -32,6 +32,7 @@ #include "intel_drv.h" #include "i915_drv.h" +#ifdef CONFIG_PM static u32 calc_residency(struct drm_device *dev, const u32 reg) { struct drm_i915_private *dev_priv = dev->dev_private; @@ -224,3 +225,14 @@ void i915_teardown_sysfs(struct drm_device *dev) device_remove_bin_file(&dev->primary->kdev, &dpf_attrs); sysfs_unmerge_group(&dev->primary->kdev.kobj, &rc6_attr_group); } +#else +void i915_setup_sysfs(struct drm_device *dev) +{ + return; +} + +void i915_teardown_sysfs(struct drm_device *dev) +{ + return; +} +#endif /* CONFIG_PM */ diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index f6159765f1e..a69a3d0d3ac 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -869,6 +869,7 @@ intel_vlv_find_best_pll(const intel_limit_t *limit, struct drm_crtc *crtc, unsigned long bestppm, ppm, absppm; int dotclk, flag; + flag = 0; dotclk = target * 1000; bestppm = 1000000; ppm = absppm = 0; @@ -3753,17 +3754,6 @@ static bool intel_choose_pipe_bpp_dither(struct drm_crtc *crtc, continue; } - if (intel_encoder->type == INTEL_OUTPUT_EDP) { - /* Use VBT settings if we have an eDP panel */ - unsigned int edp_bpc = dev_priv->edp.bpp / 3; - - if (edp_bpc < display_bpc) { - DRM_DEBUG_KMS("clamping display bpc (was %d) to eDP (%d)\n", display_bpc, edp_bpc); - display_bpc = edp_bpc; - } - continue; - } - /* Not one of the known troublemakers, check the EDID */ list_for_each_entry(connector, &dev->mode_config.connector_list, head) { diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 0a56b9ab0f5..a6c426afaa7 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -1174,10 +1174,14 @@ static void ironlake_edp_panel_off(struct intel_dp *intel_dp) WARN(!intel_dp->want_panel_vdd, "Need VDD to turn off panel\n"); pp = ironlake_get_pp_control(dev_priv); - pp &= ~(POWER_TARGET_ON | PANEL_POWER_RESET | EDP_BLC_ENABLE); + /* We need to switch off panel power _and_ force vdd, for otherwise some + * panels get very unhappy and cease to work. */ + pp &= ~(POWER_TARGET_ON | EDP_FORCE_VDD | PANEL_POWER_RESET | EDP_BLC_ENABLE); I915_WRITE(PCH_PP_CONTROL, pp); POSTING_READ(PCH_PP_CONTROL); + intel_dp->want_panel_vdd = false; + ironlake_wait_panel_off(intel_dp); } @@ -1287,11 +1291,9 @@ static void intel_dp_prepare(struct drm_encoder *encoder) * ensure that we have vdd while we switch off the panel. */ ironlake_edp_panel_vdd_on(intel_dp); ironlake_edp_backlight_off(intel_dp); - ironlake_edp_panel_off(intel_dp); - intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_ON); + ironlake_edp_panel_off(intel_dp); intel_dp_link_down(intel_dp); - ironlake_edp_panel_vdd_off(intel_dp, false); } static void intel_dp_commit(struct drm_encoder *encoder) @@ -1326,11 +1328,9 @@ intel_dp_dpms(struct drm_encoder *encoder, int mode) /* Switching the panel off requires vdd. */ ironlake_edp_panel_vdd_on(intel_dp); ironlake_edp_backlight_off(intel_dp); - ironlake_edp_panel_off(intel_dp); - intel_dp_sink_dpms(intel_dp, mode); + ironlake_edp_panel_off(intel_dp); intel_dp_link_down(intel_dp); - ironlake_edp_panel_vdd_off(intel_dp, false); if (is_cpu_edp(intel_dp)) ironlake_edp_pll_off(encoder); diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 84353559441..132ab511b90 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -46,15 +46,16 @@ }) #define wait_for_atomic_us(COND, US) ({ \ - int i, ret__ = -ETIMEDOUT; \ - for (i = 0; i < (US); i++) { \ - if ((COND)) { \ - ret__ = 0; \ - break; \ - } \ - udelay(1); \ - } \ - ret__; \ + unsigned long timeout__ = jiffies + usecs_to_jiffies(US); \ + int ret__ = 0; \ + while (!(COND)) { \ + if (time_after(jiffies, timeout__)) { \ + ret__ = -ETIMEDOUT; \ + break; \ + } \ + cpu_relax(); \ + } \ + ret__; \ }) #define wait_for(COND, MS) _wait_for(COND, MS, 1) @@ -380,7 +381,6 @@ extern void intel_pch_panel_fitting(struct drm_device *dev, const struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode); extern u32 intel_panel_get_max_backlight(struct drm_device *dev); -extern u32 intel_panel_get_backlight(struct drm_device *dev); extern void intel_panel_set_backlight(struct drm_device *dev, u32 level); extern int intel_panel_setup_backlight(struct drm_device *dev); extern void intel_panel_enable_backlight(struct drm_device *dev, diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c index 1991a4408cf..b9755f6378d 100644 --- a/drivers/gpu/drm/i915/intel_i2c.c +++ b/drivers/gpu/drm/i915/intel_i2c.c @@ -486,9 +486,6 @@ int intel_setup_gmbus(struct drm_device *dev) bus->dev_priv = dev_priv; bus->adapter.algo = &gmbus_algorithm; - ret = i2c_add_adapter(&bus->adapter); - if (ret) - goto err; /* By default use a conservative clock rate */ bus->reg0 = port | GMBUS_RATE_100KHZ; @@ -498,6 +495,10 @@ int intel_setup_gmbus(struct drm_device *dev) bus->force_bit = true; intel_gpio_setup(bus, port); + + ret = i2c_add_adapter(&bus->adapter); + if (ret) + goto err; } intel_i2c_reset(dev_priv->dev); @@ -540,9 +541,6 @@ void intel_teardown_gmbus(struct drm_device *dev) struct drm_i915_private *dev_priv = dev->dev_private; int i; - if (dev_priv->gmbus == NULL) - return; - for (i = 0; i < GMBUS_NUM_PORTS; i++) { struct intel_gmbus *bus = &dev_priv->gmbus[i]; i2c_del_adapter(&bus->adapter); diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c index 10c7d39034e..3df4f5fa892 100644 --- a/drivers/gpu/drm/i915/intel_panel.c +++ b/drivers/gpu/drm/i915/intel_panel.c @@ -213,7 +213,7 @@ static u32 intel_panel_compute_brightness(struct drm_device *dev, u32 val) return val; } -u32 intel_panel_get_backlight(struct drm_device *dev) +static u32 intel_panel_get_backlight(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; u32 val; @@ -311,9 +311,6 @@ void intel_panel_enable_backlight(struct drm_device *dev, if (dev_priv->backlight_level == 0) dev_priv->backlight_level = intel_panel_get_max_backlight(dev); - dev_priv->backlight_enabled = true; - intel_panel_actually_set_backlight(dev, dev_priv->backlight_level); - if (INTEL_INFO(dev)->gen >= 4) { uint32_t reg, tmp; @@ -326,7 +323,7 @@ void intel_panel_enable_backlight(struct drm_device *dev, * we don't track the backlight dpms state, hence check whether * we have to do anything first. */ if (tmp & BLM_PWM_ENABLE) - return; + goto set_level; if (dev_priv->num_pipe == 3) tmp &= ~BLM_PIPE_SELECT_IVB; @@ -347,6 +344,14 @@ void intel_panel_enable_backlight(struct drm_device *dev, I915_WRITE(BLC_PWM_PCH_CTL1, tmp); } } + +set_level: + /* Call below after setting BLC_PWM_CPU_CTL2 and BLC_PWM_PCH_CTL1. + * BLC_PWM_CPU_CTL may be cleared to zero automatically when these + * registers are set. + */ + dev_priv->backlight_enabled = true; + intel_panel_actually_set_backlight(dev, dev_priv->backlight_level); } static void intel_panel_init_backlight(struct drm_device *dev) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 94aabcaa3a6..58c07cdafb7 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -3963,6 +3963,7 @@ static void __gen6_gt_force_wake_get(struct drm_i915_private *dev_priv) DRM_ERROR("Force wake wait timed out\n"); I915_WRITE_NOTRACE(FORCEWAKE, 1); + POSTING_READ(FORCEWAKE); if (wait_for_atomic_us((I915_READ_NOTRACE(forcewake_ack) & 1), 500)) DRM_ERROR("Force wake wait timed out\n"); @@ -3983,6 +3984,7 @@ static void __gen6_gt_force_wake_mt_get(struct drm_i915_private *dev_priv) DRM_ERROR("Force wake wait timed out\n"); I915_WRITE_NOTRACE(FORCEWAKE_MT, _MASKED_BIT_ENABLE(1)); + POSTING_READ(FORCEWAKE_MT); if (wait_for_atomic_us((I915_READ_NOTRACE(forcewake_ack) & 1), 500)) DRM_ERROR("Force wake wait timed out\n"); @@ -4018,14 +4020,14 @@ void gen6_gt_check_fifodbg(struct drm_i915_private *dev_priv) static void __gen6_gt_force_wake_put(struct drm_i915_private *dev_priv) { I915_WRITE_NOTRACE(FORCEWAKE, 0); - /* The below doubles as a POSTING_READ */ + POSTING_READ(FORCEWAKE); gen6_gt_check_fifodbg(dev_priv); } static void __gen6_gt_force_wake_mt_put(struct drm_i915_private *dev_priv) { I915_WRITE_NOTRACE(FORCEWAKE_MT, _MASKED_BIT_DISABLE(1)); - /* The below doubles as a POSTING_READ */ + POSTING_READ(FORCEWAKE_MT); gen6_gt_check_fifodbg(dev_priv); } diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index bf0195a96d5..e2a73b38abe 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -227,31 +227,36 @@ gen6_render_ring_flush(struct intel_ring_buffer *ring, * number of bits based on the write domains has little performance * impact. */ - flags |= PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH; - flags |= PIPE_CONTROL_TLB_INVALIDATE; - flags |= PIPE_CONTROL_INSTRUCTION_CACHE_INVALIDATE; - flags |= PIPE_CONTROL_TEXTURE_CACHE_INVALIDATE; - flags |= PIPE_CONTROL_DEPTH_CACHE_FLUSH; - flags |= PIPE_CONTROL_VF_CACHE_INVALIDATE; - flags |= PIPE_CONTROL_CONST_CACHE_INVALIDATE; - flags |= PIPE_CONTROL_STATE_CACHE_INVALIDATE; - /* - * Ensure that any following seqno writes only happen when the render - * cache is indeed flushed (but only if the caller actually wants that). - */ - if (flush_domains) + if (flush_domains) { + flags |= PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH; + flags |= PIPE_CONTROL_DEPTH_CACHE_FLUSH; + /* + * Ensure that any following seqno writes only happen + * when the render cache is indeed flushed. + */ flags |= PIPE_CONTROL_CS_STALL; + } + if (invalidate_domains) { + flags |= PIPE_CONTROL_TLB_INVALIDATE; + flags |= PIPE_CONTROL_INSTRUCTION_CACHE_INVALIDATE; + flags |= PIPE_CONTROL_TEXTURE_CACHE_INVALIDATE; + flags |= PIPE_CONTROL_VF_CACHE_INVALIDATE; + flags |= PIPE_CONTROL_CONST_CACHE_INVALIDATE; + flags |= PIPE_CONTROL_STATE_CACHE_INVALIDATE; + /* + * TLB invalidate requires a post-sync write. + */ + flags |= PIPE_CONTROL_QW_WRITE; + } - ret = intel_ring_begin(ring, 6); + ret = intel_ring_begin(ring, 4); if (ret) return ret; - intel_ring_emit(ring, GFX_OP_PIPE_CONTROL(5)); + intel_ring_emit(ring, GFX_OP_PIPE_CONTROL(4)); intel_ring_emit(ring, flags); intel_ring_emit(ring, scratch_addr | PIPE_CONTROL_GLOBAL_GTT); - intel_ring_emit(ring, 0); /* lower dword */ - intel_ring_emit(ring, 0); /* uppwer dword */ - intel_ring_emit(ring, MI_NOOP); + intel_ring_emit(ring, 0); intel_ring_advance(ring); return 0; @@ -289,8 +294,6 @@ static int init_ring_common(struct intel_ring_buffer *ring) I915_WRITE_HEAD(ring, 0); ring->write_tail(ring, 0); - /* Initialize the ring. */ - I915_WRITE_START(ring, obj->gtt_offset); head = I915_READ_HEAD(ring) & HEAD_ADDR; /* G45 ring initialization fails to reset head to zero */ @@ -316,6 +319,11 @@ static int init_ring_common(struct intel_ring_buffer *ring) } } + /* Initialize the ring. This must happen _after_ we've cleared the ring + * registers with the above sequence (the readback of the HEAD registers + * also enforces ordering), otherwise the hw might lose the new ring + * register values. */ + I915_WRITE_START(ring, obj->gtt_offset); I915_WRITE_CTL(ring, ((ring->size - PAGE_SIZE) & RING_NR_PAGES) | RING_VALID); diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c index 26a6a4d0d07..d172e987313 100644 --- a/drivers/gpu/drm/i915/intel_sdvo.c +++ b/drivers/gpu/drm/i915/intel_sdvo.c @@ -444,13 +444,16 @@ static bool intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd, struct i2c_msg *msgs; int i, ret = true; + /* Would be simpler to allocate both in one go ? */ buf = (u8 *)kzalloc(args_len * 2 + 2, GFP_KERNEL); if (!buf) return false; msgs = kcalloc(args_len + 3, sizeof(*msgs), GFP_KERNEL); - if (!msgs) + if (!msgs) { + kfree(buf); return false; + } intel_sdvo_debug_write(intel_sdvo, cmd, args, args_len); diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c index a4d7c500c97..b69642d5d85 100644 --- a/drivers/gpu/drm/mgag200/mgag200_mode.c +++ b/drivers/gpu/drm/mgag200/mgag200_mode.c @@ -468,10 +468,11 @@ static int mga_g200er_set_plls(struct mga_device *mdev, long clock) { unsigned int vcomax, vcomin, pllreffreq; unsigned int delta, tmpdelta; - unsigned int testr, testn, testm, testo; + int testr, testn, testm, testo; unsigned int p, m, n; - unsigned int computed; + unsigned int computed, vco; int tmp; + const unsigned int m_div_val[] = { 1, 2, 4, 8 }; m = n = p = 0; vcomax = 1488000; @@ -490,12 +491,13 @@ static int mga_g200er_set_plls(struct mga_device *mdev, long clock) if (delta == 0) break; for (testo = 5; testo < 33; testo++) { - computed = pllreffreq * (testn + 1) / + vco = pllreffreq * (testn + 1) / (testr + 1); - if (computed < vcomin) + if (vco < vcomin) continue; - if (computed > vcomax) + if (vco > vcomax) continue; + computed = vco / (m_div_val[testm] * (testo + 1)); if (computed > clock) tmpdelta = computed - clock; else diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.c b/drivers/gpu/drm/nouveau/nouveau_acpi.c index fc841e87b34..26ebffebe71 100644 --- a/drivers/gpu/drm/nouveau/nouveau_acpi.c +++ b/drivers/gpu/drm/nouveau/nouveau_acpi.c @@ -211,11 +211,6 @@ static int nouveau_dsm_power_state(enum vga_switcheroo_client_id id, return nouveau_dsm_set_discrete_state(nouveau_dsm_priv.dhandle, state); } -static int nouveau_dsm_init(void) -{ - return 0; -} - static int nouveau_dsm_get_client_id(struct pci_dev *pdev) { /* easy option one - intel vendor ID means Integrated */ @@ -232,7 +227,6 @@ static int nouveau_dsm_get_client_id(struct pci_dev *pdev) static struct vga_switcheroo_handler nouveau_dsm_handler = { .switchto = nouveau_dsm_switchto, .power_state = nouveau_dsm_power_state, - .init = nouveau_dsm_init, .get_client_id = nouveau_dsm_get_client_id, }; diff --git a/drivers/gpu/drm/nouveau/nouveau_i2c.c b/drivers/gpu/drm/nouveau/nouveau_i2c.c index 77e564667b5..240cf962c99 100644 --- a/drivers/gpu/drm/nouveau/nouveau_i2c.c +++ b/drivers/gpu/drm/nouveau/nouveau_i2c.c @@ -229,7 +229,7 @@ nouveau_i2c_init(struct drm_device *dev) } break; case 6: /* NV50- DP AUX */ - port->drive = entry[0]; + port->drive = entry[0] & 0x0f; port->sense = port->drive; port->adapter.algo = &nouveau_dp_i2c_algo; break; diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c index 1cdfd6e757c..1866dbb4997 100644 --- a/drivers/gpu/drm/nouveau/nouveau_state.c +++ b/drivers/gpu/drm/nouveau/nouveau_state.c @@ -731,7 +731,6 @@ nouveau_card_init(struct drm_device *dev) case 0xa3: case 0xa5: case 0xa8: - case 0xaf: nva3_copy_create(dev); break; } diff --git a/drivers/gpu/drm/nouveau/nv84_fifo.c b/drivers/gpu/drm/nouveau/nv84_fifo.c index cc82d799fc3..c564c5e4c30 100644 --- a/drivers/gpu/drm/nouveau/nv84_fifo.c +++ b/drivers/gpu/drm/nouveau/nv84_fifo.c @@ -117,17 +117,22 @@ nv84_fifo_context_del(struct nouveau_channel *chan, int engine) struct drm_device *dev = chan->dev; struct drm_nouveau_private *dev_priv = dev->dev_private; unsigned long flags; + u32 save; /* remove channel from playlist, will context switch if active */ spin_lock_irqsave(&dev_priv->context_switch_lock, flags); nv_mask(dev, 0x002600 + (chan->id * 4), 0x80000000, 0x00000000); nv50_fifo_playlist_update(dev); + save = nv_mask(dev, 0x002520, 0x0000003f, 0x15); + /* tell any engines on this channel to unload their contexts */ nv_wr32(dev, 0x0032fc, chan->ramin->vinst >> 12); if (!nv_wait_ne(dev, 0x0032fc, 0xffffffff, 0xffffffff)) NV_INFO(dev, "PFIFO: channel %d unload timeout\n", chan->id); + nv_wr32(dev, 0x002520, save); + nv_wr32(dev, 0x002600 + (chan->id * 4), 0x00000000); spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags); @@ -184,10 +189,13 @@ nv84_fifo_fini(struct drm_device *dev, int engine, bool suspend) struct drm_nouveau_private *dev_priv = dev->dev_private; struct nv84_fifo_priv *priv = nv_engine(dev, engine); int i; + u32 save; /* set playlist length to zero, fifo will unload context */ nv_wr32(dev, 0x0032ec, 0); + save = nv_mask(dev, 0x002520, 0x0000003f, 0x15); + /* tell all connected engines to unload their contexts */ for (i = 0; i < priv->base.channels; i++) { struct nouveau_channel *chan = dev_priv->channels.ptr[i]; @@ -199,6 +207,7 @@ nv84_fifo_fini(struct drm_device *dev, int engine, bool suspend) } } + nv_wr32(dev, 0x002520, save); nv_wr32(dev, 0x002140, 0); return 0; } diff --git a/drivers/gpu/drm/nouveau/nvc0_pm.c b/drivers/gpu/drm/nouveau/nvc0_pm.c index 7c95c44e288..4e712b10ebd 100644 --- a/drivers/gpu/drm/nouveau/nvc0_pm.c +++ b/drivers/gpu/drm/nouveau/nvc0_pm.c @@ -557,7 +557,7 @@ prog_mem(struct drm_device *dev, struct nvc0_pm_state *info) nouveau_mem_exec(&exec, info->perflvl); if (dev_priv->chipset < 0xd0) - nv_wr32(dev, 0x611200, 0x00003300); + nv_wr32(dev, 0x611200, 0x00003330); else nv_wr32(dev, 0x62c000, 0x03030300); } diff --git a/drivers/gpu/drm/nouveau/nvd0_display.c b/drivers/gpu/drm/nouveau/nvd0_display.c index d0d60e1e7f9..dac525b2994 100644 --- a/drivers/gpu/drm/nouveau/nvd0_display.c +++ b/drivers/gpu/drm/nouveau/nvd0_display.c @@ -790,7 +790,7 @@ nvd0_crtc_cursor_move(struct drm_crtc *crtc, int x, int y) struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); int ch = EVO_CURS(nv_crtc->index); - evo_piow(crtc->dev, ch, 0x0084, (y << 16) | x); + evo_piow(crtc->dev, ch, 0x0084, (y << 16) | (x & 0xffff)); evo_piow(crtc->dev, ch, 0x0080, 0x00000000); return 0; } diff --git a/drivers/gpu/drm/nouveau/nve0_fifo.c b/drivers/gpu/drm/nouveau/nve0_fifo.c index 1855ecbd843..e98d144e6eb 100644 --- a/drivers/gpu/drm/nouveau/nve0_fifo.c +++ b/drivers/gpu/drm/nouveau/nve0_fifo.c @@ -294,6 +294,25 @@ nve0_fifo_isr_vm_fault(struct drm_device *dev, int unit) printk(" on channel 0x%010llx\n", (u64)inst << 12); } +static int +nve0_fifo_page_flip(struct drm_device *dev, u32 chid) +{ + struct nve0_fifo_priv *priv = nv_engine(dev, NVOBJ_ENGINE_FIFO); + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_channel *chan = NULL; + unsigned long flags; + int ret = -EINVAL; + + spin_lock_irqsave(&dev_priv->channels.lock, flags); + if (likely(chid >= 0 && chid < priv->base.channels)) { + chan = dev_priv->channels.ptr[chid]; + if (likely(chan)) + ret = nouveau_finish_page_flip(chan, NULL); + } + spin_unlock_irqrestore(&dev_priv->channels.lock, flags); + return ret; +} + static void nve0_fifo_isr_subfifo_intr(struct drm_device *dev, int unit) { @@ -303,11 +322,21 @@ nve0_fifo_isr_subfifo_intr(struct drm_device *dev, int unit) u32 chid = nv_rd32(dev, 0x040120 + (unit * 0x2000)) & 0x7f; u32 subc = (addr & 0x00070000); u32 mthd = (addr & 0x00003ffc); + u32 show = stat; + + if (stat & 0x00200000) { + if (mthd == 0x0054) { + if (!nve0_fifo_page_flip(dev, chid)) + show &= ~0x00200000; + } + } - NV_INFO(dev, "PSUBFIFO %d:", unit); - nouveau_bitfield_print(nve0_fifo_subfifo_intr, stat); - NV_INFO(dev, "PSUBFIFO %d: ch %d subc %d mthd 0x%04x data 0x%08x\n", - unit, chid, subc, mthd, data); + if (show) { + NV_INFO(dev, "PFIFO%d:", unit); + nouveau_bitfield_print(nve0_fifo_subfifo_intr, show); + NV_INFO(dev, "PFIFO%d: ch %d subc %d mthd 0x%04x data 0x%08x\n", + unit, chid, subc, mthd, data); + } nv_wr32(dev, 0x0400c0 + (unit * 0x2000), 0x80600008); nv_wr32(dev, 0x040108 + (unit * 0x2000), stat); diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index 9e6f76fec52..c6fcb5b86a4 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -259,7 +259,7 @@ void atombios_crtc_dpms(struct drm_crtc *crtc, int mode) /* adjust pm to dpms changes BEFORE enabling crtcs */ radeon_pm_compute_clocks(rdev); /* disable crtc pair power gating before programming */ - if (ASIC_IS_DCE6(rdev)) + if (ASIC_IS_DCE6(rdev) && !radeon_crtc->in_mode_set) atombios_powergate_crtc(crtc, ATOM_DISABLE); atombios_enable_crtc(crtc, ATOM_ENABLE); if (ASIC_IS_DCE3(rdev) && !ASIC_IS_DCE6(rdev)) @@ -279,7 +279,7 @@ void atombios_crtc_dpms(struct drm_crtc *crtc, int mode) atombios_enable_crtc(crtc, ATOM_DISABLE); radeon_crtc->enabled = false; /* power gating is per-pair */ - if (ASIC_IS_DCE6(rdev)) { + if (ASIC_IS_DCE6(rdev) && !radeon_crtc->in_mode_set) { struct drm_crtc *other_crtc; struct radeon_crtc *other_radeon_crtc; list_for_each_entry(other_crtc, &rdev->ddev->mode_config.crtc_list, head) { @@ -1531,12 +1531,12 @@ static int radeon_atom_pick_pll(struct drm_crtc *crtc) * crtc virtual pixel clock. */ if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(test_encoder))) { - if (ASIC_IS_DCE5(rdev)) - return ATOM_DCPLL; + if (rdev->clock.dp_extclk) + return ATOM_PPLL_INVALID; else if (ASIC_IS_DCE6(rdev)) return ATOM_PPLL0; - else if (rdev->clock.dp_extclk) - return ATOM_PPLL_INVALID; + else if (ASIC_IS_DCE5(rdev)) + return ATOM_DCPLL; } } } @@ -1635,18 +1635,28 @@ static bool atombios_crtc_mode_fixup(struct drm_crtc *crtc, static void atombios_crtc_prepare(struct drm_crtc *crtc) { struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); + struct drm_device *dev = crtc->dev; + struct radeon_device *rdev = dev->dev_private; + radeon_crtc->in_mode_set = true; /* pick pll */ radeon_crtc->pll_id = radeon_atom_pick_pll(crtc); + /* disable crtc pair power gating before programming */ + if (ASIC_IS_DCE6(rdev)) + atombios_powergate_crtc(crtc, ATOM_DISABLE); + atombios_lock_crtc(crtc, ATOM_ENABLE); atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); } static void atombios_crtc_commit(struct drm_crtc *crtc) { + struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); + atombios_crtc_dpms(crtc, DRM_MODE_DPMS_ON); atombios_lock_crtc(crtc, ATOM_DISABLE); + radeon_crtc->in_mode_set = false; } static void atombios_crtc_disable(struct drm_crtc *crtc) diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index e585a3b947e..e93b80a6d4e 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -1229,24 +1229,8 @@ void evergreen_agp_enable(struct radeon_device *rdev) void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save) { - save->vga_control[0] = RREG32(D1VGA_CONTROL); - save->vga_control[1] = RREG32(D2VGA_CONTROL); save->vga_render_control = RREG32(VGA_RENDER_CONTROL); save->vga_hdp_control = RREG32(VGA_HDP_CONTROL); - save->crtc_control[0] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET); - save->crtc_control[1] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET); - if (rdev->num_crtc >= 4) { - save->vga_control[2] = RREG32(EVERGREEN_D3VGA_CONTROL); - save->vga_control[3] = RREG32(EVERGREEN_D4VGA_CONTROL); - save->crtc_control[2] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET); - save->crtc_control[3] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET); - } - if (rdev->num_crtc >= 6) { - save->vga_control[4] = RREG32(EVERGREEN_D5VGA_CONTROL); - save->vga_control[5] = RREG32(EVERGREEN_D6VGA_CONTROL); - save->crtc_control[4] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET); - save->crtc_control[5] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET); - } /* Stop all video */ WREG32(VGA_RENDER_CONTROL, 0); @@ -1357,47 +1341,6 @@ void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *s /* Unlock host access */ WREG32(VGA_HDP_CONTROL, save->vga_hdp_control); mdelay(1); - /* Restore video state */ - WREG32(D1VGA_CONTROL, save->vga_control[0]); - WREG32(D2VGA_CONTROL, save->vga_control[1]); - if (rdev->num_crtc >= 4) { - WREG32(EVERGREEN_D3VGA_CONTROL, save->vga_control[2]); - WREG32(EVERGREEN_D4VGA_CONTROL, save->vga_control[3]); - } - if (rdev->num_crtc >= 6) { - WREG32(EVERGREEN_D5VGA_CONTROL, save->vga_control[4]); - WREG32(EVERGREEN_D6VGA_CONTROL, save->vga_control[5]); - } - WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 1); - WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 1); - if (rdev->num_crtc >= 4) { - WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 1); - WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 1); - } - if (rdev->num_crtc >= 6) { - WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 1); - WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 1); - } - WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, save->crtc_control[0]); - WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, save->crtc_control[1]); - if (rdev->num_crtc >= 4) { - WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, save->crtc_control[2]); - WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, save->crtc_control[3]); - } - if (rdev->num_crtc >= 6) { - WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, save->crtc_control[4]); - WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, save->crtc_control[5]); - } - WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0); - WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0); - if (rdev->num_crtc >= 4) { - WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0); - WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0); - } - if (rdev->num_crtc >= 6) { - WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0); - WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0); - } WREG32(VGA_RENDER_CONTROL, save->vga_render_control); } @@ -1986,10 +1929,18 @@ static void evergreen_gpu_init(struct radeon_device *rdev) if (rdev->flags & RADEON_IS_IGP) rdev->config.evergreen.tile_config |= 1 << 4; else { - if ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) - rdev->config.evergreen.tile_config |= 1 << 4; - else + switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) { + case 0: /* four banks */ rdev->config.evergreen.tile_config |= 0 << 4; + break; + case 1: /* eight banks */ + rdev->config.evergreen.tile_config |= 1 << 4; + break; + case 2: /* sixteen banks */ + default: + rdev->config.evergreen.tile_config |= 2 << 4; + break; + } } rdev->config.evergreen.tile_config |= 0 << 8; rdev->config.evergreen.tile_config |= diff --git a/drivers/gpu/drm/radeon/evergreen_cs.c b/drivers/gpu/drm/radeon/evergreen_cs.c index c16554122cc..e44a62a07fe 100644 --- a/drivers/gpu/drm/radeon/evergreen_cs.c +++ b/drivers/gpu/drm/radeon/evergreen_cs.c @@ -788,6 +788,13 @@ static int evergreen_cs_track_validate_texture(struct radeon_cs_parser *p, case V_030000_SQ_TEX_DIM_1D_ARRAY: case V_030000_SQ_TEX_DIM_2D_ARRAY: depth = 1; + break; + case V_030000_SQ_TEX_DIM_2D_MSAA: + case V_030000_SQ_TEX_DIM_2D_ARRAY_MSAA: + surf.nsamples = 1 << llevel; + llevel = 0; + depth = 1; + break; case V_030000_SQ_TEX_DIM_3D: break; default: @@ -961,13 +968,15 @@ static int evergreen_cs_track_check(struct radeon_cs_parser *p) if (track->db_dirty) { /* Check stencil buffer */ - if (G_028800_STENCIL_ENABLE(track->db_depth_control)) { + if (G_028044_FORMAT(track->db_s_info) != V_028044_STENCIL_INVALID && + G_028800_STENCIL_ENABLE(track->db_depth_control)) { r = evergreen_cs_track_validate_stencil(p); if (r) return r; } /* Check depth buffer */ - if (G_028800_Z_ENABLE(track->db_depth_control)) { + if (G_028040_FORMAT(track->db_z_info) != V_028040_Z_INVALID && + G_028800_Z_ENABLE(track->db_depth_control)) { r = evergreen_cs_track_validate_depth(p); if (r) return r; diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h index d3bd098e4e1..79347855d9b 100644 --- a/drivers/gpu/drm/radeon/evergreend.h +++ b/drivers/gpu/drm/radeon/evergreend.h @@ -1277,6 +1277,8 @@ #define S_028044_FORMAT(x) (((x) & 0x1) << 0) #define G_028044_FORMAT(x) (((x) >> 0) & 0x1) #define C_028044_FORMAT 0xFFFFFFFE +#define V_028044_STENCIL_INVALID 0 +#define V_028044_STENCIL_8 1 #define G_028044_TILE_SPLIT(x) (((x) >> 8) & 0x7) #define DB_Z_READ_BASE 0x28048 #define DB_STENCIL_READ_BASE 0x2804c diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index 9945d86d900..853800e8582 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -574,10 +574,18 @@ static void cayman_gpu_init(struct radeon_device *rdev) if (rdev->flags & RADEON_IS_IGP) rdev->config.cayman.tile_config |= 1 << 4; else { - if ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) - rdev->config.cayman.tile_config |= 1 << 4; - else + switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) { + case 0: /* four banks */ rdev->config.cayman.tile_config |= 0 << 4; + break; + case 1: /* eight banks */ + rdev->config.cayman.tile_config |= 1 << 4; + break; + case 2: /* sixteen banks */ + default: + rdev->config.cayman.tile_config |= 2 << 4; + break; + } } rdev->config.cayman.tile_config |= ((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8; diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 637280f541a..d79c639ae73 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -3789,3 +3789,23 @@ static void r600_pcie_gen2_enable(struct radeon_device *rdev) WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); } } + +/** + * r600_get_gpu_clock - return GPU clock counter snapshot + * + * @rdev: radeon_device pointer + * + * Fetches a GPU clock counter snapshot (R6xx-cayman). + * Returns the 64 bit clock counter snapshot. + */ +uint64_t r600_get_gpu_clock(struct radeon_device *rdev) +{ + uint64_t clock; + + mutex_lock(&rdev->gpu_clock_mutex); + WREG32(RLC_CAPTURE_GPU_CLOCK_COUNT, 1); + clock = (uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_LSB) | + ((uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_MSB) << 32ULL); + mutex_unlock(&rdev->gpu_clock_mutex); + return clock; +} diff --git a/drivers/gpu/drm/radeon/r600_cs.c b/drivers/gpu/drm/radeon/r600_cs.c index ca87f7afaf2..3dab49cb1d4 100644 --- a/drivers/gpu/drm/radeon/r600_cs.c +++ b/drivers/gpu/drm/radeon/r600_cs.c @@ -764,8 +764,10 @@ static int r600_cs_track_check(struct radeon_cs_parser *p) } /* Check depth buffer */ - if (track->db_dirty && (G_028800_STENCIL_ENABLE(track->db_depth_control) || - G_028800_Z_ENABLE(track->db_depth_control))) { + if (track->db_dirty && + G_028010_FORMAT(track->db_depth_info) != V_028010_DEPTH_INVALID && + (G_028800_STENCIL_ENABLE(track->db_depth_control) || + G_028800_Z_ENABLE(track->db_depth_control))) { r = r600_cs_track_validate_db(p); if (r) return r; @@ -1557,13 +1559,14 @@ static int r600_check_texture_resource(struct radeon_cs_parser *p, u32 idx, u32 tiling_flags) { struct r600_cs_track *track = p->track; - u32 nfaces, llevel, blevel, w0, h0, d0; - u32 word0, word1, l0_size, mipmap_size, word2, word3; + u32 dim, nfaces, llevel, blevel, w0, h0, d0; + u32 word0, word1, l0_size, mipmap_size, word2, word3, word4, word5; u32 height_align, pitch, pitch_align, depth_align; - u32 array, barray, larray; + u32 barray, larray; u64 base_align; struct array_mode_checker array_check; u32 format; + bool is_array; /* on legacy kernel we don't perform advanced check */ if (p->rdev == NULL) @@ -1581,12 +1584,28 @@ static int r600_check_texture_resource(struct radeon_cs_parser *p, u32 idx, word0 |= S_038000_TILE_MODE(V_038000_ARRAY_1D_TILED_THIN1); } word1 = radeon_get_ib_value(p, idx + 1); + word2 = radeon_get_ib_value(p, idx + 2) << 8; + word3 = radeon_get_ib_value(p, idx + 3) << 8; + word4 = radeon_get_ib_value(p, idx + 4); + word5 = radeon_get_ib_value(p, idx + 5); + dim = G_038000_DIM(word0); w0 = G_038000_TEX_WIDTH(word0) + 1; + pitch = (G_038000_PITCH(word0) + 1) * 8; h0 = G_038004_TEX_HEIGHT(word1) + 1; d0 = G_038004_TEX_DEPTH(word1); + format = G_038004_DATA_FORMAT(word1); + blevel = G_038010_BASE_LEVEL(word4); + llevel = G_038014_LAST_LEVEL(word5); + /* pitch in texels */ + array_check.array_mode = G_038000_TILE_MODE(word0); + array_check.group_size = track->group_size; + array_check.nbanks = track->nbanks; + array_check.npipes = track->npipes; + array_check.nsamples = 1; + array_check.blocksize = r600_fmt_get_blocksize(format); nfaces = 1; - array = 0; - switch (G_038000_DIM(word0)) { + is_array = false; + switch (dim) { case V_038000_SQ_TEX_DIM_1D: case V_038000_SQ_TEX_DIM_2D: case V_038000_SQ_TEX_DIM_3D: @@ -1599,29 +1618,25 @@ static int r600_check_texture_resource(struct radeon_cs_parser *p, u32 idx, break; case V_038000_SQ_TEX_DIM_1D_ARRAY: case V_038000_SQ_TEX_DIM_2D_ARRAY: - array = 1; + is_array = true; break; - case V_038000_SQ_TEX_DIM_2D_MSAA: case V_038000_SQ_TEX_DIM_2D_ARRAY_MSAA: + is_array = true; + /* fall through */ + case V_038000_SQ_TEX_DIM_2D_MSAA: + array_check.nsamples = 1 << llevel; + llevel = 0; + break; default: dev_warn(p->dev, "this kernel doesn't support %d texture dim\n", G_038000_DIM(word0)); return -EINVAL; } - format = G_038004_DATA_FORMAT(word1); if (!r600_fmt_is_valid_texture(format, p->family)) { dev_warn(p->dev, "%s:%d texture invalid format %d\n", __func__, __LINE__, format); return -EINVAL; } - /* pitch in texels */ - pitch = (G_038000_PITCH(word0) + 1) * 8; - array_check.array_mode = G_038000_TILE_MODE(word0); - array_check.group_size = track->group_size; - array_check.nbanks = track->nbanks; - array_check.npipes = track->npipes; - array_check.nsamples = 1; - array_check.blocksize = r600_fmt_get_blocksize(format); if (r600_get_array_mode_alignment(&array_check, &pitch_align, &height_align, &depth_align, &base_align)) { dev_warn(p->dev, "%s:%d tex array mode (%d) invalid\n", @@ -1647,20 +1662,13 @@ static int r600_check_texture_resource(struct radeon_cs_parser *p, u32 idx, return -EINVAL; } - word2 = radeon_get_ib_value(p, idx + 2) << 8; - word3 = radeon_get_ib_value(p, idx + 3) << 8; - - word0 = radeon_get_ib_value(p, idx + 4); - word1 = radeon_get_ib_value(p, idx + 5); - blevel = G_038010_BASE_LEVEL(word0); - llevel = G_038014_LAST_LEVEL(word1); if (blevel > llevel) { dev_warn(p->dev, "texture blevel %d > llevel %d\n", blevel, llevel); } - if (array == 1) { - barray = G_038014_BASE_ARRAY(word1); - larray = G_038014_LAST_ARRAY(word1); + if (is_array) { + barray = G_038014_BASE_ARRAY(word5); + larray = G_038014_LAST_ARRAY(word5); nfaces = larray - barray + 1; } @@ -1677,7 +1685,6 @@ static int r600_check_texture_resource(struct radeon_cs_parser *p, u32 idx, return -EINVAL; } /* using get ib will give us the offset into the mipmap bo */ - word3 = radeon_get_ib_value(p, idx + 3) << 8; if ((mipmap_size + word3) > radeon_bo_size(mipmap)) { /*dev_warn(p->dev, "mipmap bo too small (%d %d %d %d %d %d -> %d have %ld)\n", w0, h0, format, blevel, nlevels, word3, mipmap_size, radeon_bo_size(texture));*/ diff --git a/drivers/gpu/drm/radeon/r600d.h b/drivers/gpu/drm/radeon/r600d.h index 4b116ae75fc..fd328f4c3ea 100644 --- a/drivers/gpu/drm/radeon/r600d.h +++ b/drivers/gpu/drm/radeon/r600d.h @@ -602,6 +602,9 @@ #define RLC_HB_WPTR 0x3f1c #define RLC_HB_WPTR_LSB_ADDR 0x3f14 #define RLC_HB_WPTR_MSB_ADDR 0x3f18 +#define RLC_GPU_CLOCK_COUNT_LSB 0x3f38 +#define RLC_GPU_CLOCK_COUNT_MSB 0x3f3c +#define RLC_CAPTURE_GPU_CLOCK_COUNT 0x3f40 #define RLC_MC_CNTL 0x3f44 #define RLC_UCODE_CNTL 0x3f48 #define RLC_UCODE_ADDR 0x3f2c diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 5431af29240..99304194a65 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -300,6 +300,7 @@ struct radeon_bo_va { uint64_t soffset; uint64_t eoffset; uint32_t flags; + struct radeon_fence *fence; bool valid; }; @@ -1533,6 +1534,7 @@ struct radeon_device { unsigned debugfs_count; /* virtual memory */ struct radeon_vm_manager vm_manager; + struct mutex gpu_clock_mutex; }; int radeon_device_init(struct radeon_device *rdev, @@ -1733,11 +1735,11 @@ void radeon_ring_write(struct radeon_ring *ring, uint32_t v); #define radeon_pm_finish(rdev) (rdev)->asic->pm.finish((rdev)) #define radeon_pm_init_profile(rdev) (rdev)->asic->pm.init_profile((rdev)) #define radeon_pm_get_dynpm_state(rdev) (rdev)->asic->pm.get_dynpm_state((rdev)) -#define radeon_pre_page_flip(rdev, crtc) rdev->asic->pflip.pre_page_flip((rdev), (crtc)) -#define radeon_page_flip(rdev, crtc, base) rdev->asic->pflip.page_flip((rdev), (crtc), (base)) -#define radeon_post_page_flip(rdev, crtc) rdev->asic->pflip.post_page_flip((rdev), (crtc)) -#define radeon_wait_for_vblank(rdev, crtc) rdev->asic->display.wait_for_vblank((rdev), (crtc)) -#define radeon_mc_wait_for_idle(rdev) rdev->asic->mc_wait_for_idle((rdev)) +#define radeon_pre_page_flip(rdev, crtc) (rdev)->asic->pflip.pre_page_flip((rdev), (crtc)) +#define radeon_page_flip(rdev, crtc, base) (rdev)->asic->pflip.page_flip((rdev), (crtc), (base)) +#define radeon_post_page_flip(rdev, crtc) (rdev)->asic->pflip.post_page_flip((rdev), (crtc)) +#define radeon_wait_for_vblank(rdev, crtc) (rdev)->asic->display.wait_for_vblank((rdev), (crtc)) +#define radeon_mc_wait_for_idle(rdev) (rdev)->asic->mc_wait_for_idle((rdev)) /* Common functions */ /* AGP */ diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h index f4af2431043..18c38d14c8c 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.h +++ b/drivers/gpu/drm/radeon/radeon_asic.h @@ -255,13 +255,10 @@ extern int rs690_mc_wait_for_idle(struct radeon_device *rdev); * rv515 */ struct rv515_mc_save { - u32 d1vga_control; - u32 d2vga_control; u32 vga_render_control; u32 vga_hdp_control; - u32 d1crtc_control; - u32 d2crtc_control; }; + int rv515_init(struct radeon_device *rdev); void rv515_fini(struct radeon_device *rdev); uint32_t rv515_mc_rreg(struct radeon_device *rdev, uint32_t reg); @@ -371,6 +368,7 @@ void r600_kms_blit_copy(struct radeon_device *rdev, unsigned num_gpu_pages, struct radeon_sa_bo *vb); int r600_mc_wait_for_idle(struct radeon_device *rdev); +uint64_t r600_get_gpu_clock(struct radeon_device *rdev); /* * rv770,rv730,rv710,rv740 @@ -389,11 +387,10 @@ void r700_cp_fini(struct radeon_device *rdev); * evergreen */ struct evergreen_mc_save { - u32 vga_control[6]; u32 vga_render_control; u32 vga_hdp_control; - u32 crtc_control[6]; }; + void evergreen_pcie_gart_tlb_flush(struct radeon_device *rdev); int evergreen_init(struct radeon_device *rdev); void evergreen_fini(struct radeon_device *rdev); @@ -472,5 +469,6 @@ int si_vm_bind(struct radeon_device *rdev, struct radeon_vm *vm, int id); void si_vm_unbind(struct radeon_device *rdev, struct radeon_vm *vm); void si_vm_tlb_flush(struct radeon_device *rdev, struct radeon_vm *vm); int si_ib_parse(struct radeon_device *rdev, struct radeon_ib *ib); +uint64_t si_get_gpu_clock(struct radeon_device *rdev); #endif diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c index b1e3820df36..f9c21f9d16b 100644 --- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -1263,6 +1263,8 @@ bool radeon_atom_get_clock_info(struct drm_device *dev) union igp_info { struct _ATOM_INTEGRATED_SYSTEM_INFO info; struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 info_2; + struct _ATOM_INTEGRATED_SYSTEM_INFO_V6 info_6; + struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_7 info_7; }; bool radeon_atombios_sideport_present(struct radeon_device *rdev) @@ -1390,27 +1392,50 @@ static void radeon_atombios_get_igp_ss_overrides(struct radeon_device *rdev, struct radeon_mode_info *mode_info = &rdev->mode_info; int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo); u16 data_offset, size; - struct _ATOM_INTEGRATED_SYSTEM_INFO_V6 *igp_info; + union igp_info *igp_info; u8 frev, crev; u16 percentage = 0, rate = 0; /* get any igp specific overrides */ if (atom_parse_data_header(mode_info->atom_context, index, &size, &frev, &crev, &data_offset)) { - igp_info = (struct _ATOM_INTEGRATED_SYSTEM_INFO_V6 *) + igp_info = (union igp_info *) (mode_info->atom_context->bios + data_offset); - switch (id) { - case ASIC_INTERNAL_SS_ON_TMDS: - percentage = le16_to_cpu(igp_info->usDVISSPercentage); - rate = le16_to_cpu(igp_info->usDVISSpreadRateIn10Hz); + switch (crev) { + case 6: + switch (id) { + case ASIC_INTERNAL_SS_ON_TMDS: + percentage = le16_to_cpu(igp_info->info_6.usDVISSPercentage); + rate = le16_to_cpu(igp_info->info_6.usDVISSpreadRateIn10Hz); + break; + case ASIC_INTERNAL_SS_ON_HDMI: + percentage = le16_to_cpu(igp_info->info_6.usHDMISSPercentage); + rate = le16_to_cpu(igp_info->info_6.usHDMISSpreadRateIn10Hz); + break; + case ASIC_INTERNAL_SS_ON_LVDS: + percentage = le16_to_cpu(igp_info->info_6.usLvdsSSPercentage); + rate = le16_to_cpu(igp_info->info_6.usLvdsSSpreadRateIn10Hz); + break; + } break; - case ASIC_INTERNAL_SS_ON_HDMI: - percentage = le16_to_cpu(igp_info->usHDMISSPercentage); - rate = le16_to_cpu(igp_info->usHDMISSpreadRateIn10Hz); + case 7: + switch (id) { + case ASIC_INTERNAL_SS_ON_TMDS: + percentage = le16_to_cpu(igp_info->info_7.usDVISSPercentage); + rate = le16_to_cpu(igp_info->info_7.usDVISSpreadRateIn10Hz); + break; + case ASIC_INTERNAL_SS_ON_HDMI: + percentage = le16_to_cpu(igp_info->info_7.usHDMISSPercentage); + rate = le16_to_cpu(igp_info->info_7.usHDMISSpreadRateIn10Hz); + break; + case ASIC_INTERNAL_SS_ON_LVDS: + percentage = le16_to_cpu(igp_info->info_7.usLvdsSSPercentage); + rate = le16_to_cpu(igp_info->info_7.usLvdsSSpreadRateIn10Hz); + break; + } break; - case ASIC_INTERNAL_SS_ON_LVDS: - percentage = le16_to_cpu(igp_info->usLvdsSSPercentage); - rate = le16_to_cpu(igp_info->usLvdsSSpreadRateIn10Hz); + default: + DRM_ERROR("Unsupported IGP table: %d %d\n", frev, crev); break; } if (percentage) diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c index 576f4f6919f..f75247d42ff 100644 --- a/drivers/gpu/drm/radeon/radeon_combios.c +++ b/drivers/gpu/drm/radeon/radeon_combios.c @@ -719,6 +719,34 @@ static struct radeon_i2c_bus_rec combios_setup_i2c_bus(struct radeon_device *rde return i2c; } +static struct radeon_i2c_bus_rec radeon_combios_get_i2c_info_from_table(struct radeon_device *rdev) +{ + struct drm_device *dev = rdev->ddev; + struct radeon_i2c_bus_rec i2c; + u16 offset; + u8 id, blocks, clk, data; + int i; + + i2c.valid = false; + + offset = combios_get_table_offset(dev, COMBIOS_I2C_INFO_TABLE); + if (offset) { + blocks = RBIOS8(offset + 2); + for (i = 0; i < blocks; i++) { + id = RBIOS8(offset + 3 + (i * 5) + 0); + if (id == 136) { + clk = RBIOS8(offset + 3 + (i * 5) + 3); + data = RBIOS8(offset + 3 + (i * 5) + 4); + /* gpiopad */ + i2c = combios_setup_i2c_bus(rdev, DDC_MONID, + (1 << clk), (1 << data)); + break; + } + } + } + return i2c; +} + void radeon_combios_i2c_init(struct radeon_device *rdev) { struct drm_device *dev = rdev->ddev; @@ -755,30 +783,14 @@ void radeon_combios_i2c_init(struct radeon_device *rdev) } else if (rdev->family == CHIP_RS300 || rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480) { - u16 offset; - u8 id, blocks, clk, data; - int i; - /* 0x68 */ i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0); rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID"); - offset = combios_get_table_offset(dev, COMBIOS_I2C_INFO_TABLE); - if (offset) { - blocks = RBIOS8(offset + 2); - for (i = 0; i < blocks; i++) { - id = RBIOS8(offset + 3 + (i * 5) + 0); - if (id == 136) { - clk = RBIOS8(offset + 3 + (i * 5) + 3); - data = RBIOS8(offset + 3 + (i * 5) + 4); - /* gpiopad */ - i2c = combios_setup_i2c_bus(rdev, DDC_MONID, - (1 << clk), (1 << data)); - rdev->i2c_bus[4] = radeon_i2c_create(dev, &i2c, "GPIOPAD_MASK"); - break; - } - } - } + /* gpiopad */ + i2c = radeon_combios_get_i2c_info_from_table(rdev); + if (i2c.valid) + rdev->i2c_bus[4] = radeon_i2c_create(dev, &i2c, "GPIOPAD_MASK"); } else if ((rdev->family == CHIP_R200) || (rdev->family >= CHIP_R300)) { /* 0x68 */ @@ -2321,7 +2333,10 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev) connector = (tmp >> 12) & 0xf; ddc_type = (tmp >> 8) & 0xf; - ddc_i2c = combios_setup_i2c_bus(rdev, ddc_type, 0, 0); + if (ddc_type == 5) + ddc_i2c = radeon_combios_get_i2c_info_from_table(rdev); + else + ddc_i2c = combios_setup_i2c_bus(rdev, ddc_type, 0, 0); switch (connector) { case CONNECTOR_PROPRIETARY_LEGACY: diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c index 8a4c49ef0cc..b4a0db24f4d 100644 --- a/drivers/gpu/drm/radeon/radeon_cs.c +++ b/drivers/gpu/drm/radeon/radeon_cs.c @@ -278,6 +278,30 @@ int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data) return 0; } +static void radeon_bo_vm_fence_va(struct radeon_cs_parser *parser, + struct radeon_fence *fence) +{ + struct radeon_fpriv *fpriv = parser->filp->driver_priv; + struct radeon_vm *vm = &fpriv->vm; + struct radeon_bo_list *lobj; + + if (parser->chunk_ib_idx == -1) { + return; + } + if ((parser->cs_flags & RADEON_CS_USE_VM) == 0) { + return; + } + + list_for_each_entry(lobj, &parser->validated, tv.head) { + struct radeon_bo_va *bo_va; + struct radeon_bo *rbo = lobj->bo; + + bo_va = radeon_bo_va(rbo, vm); + radeon_fence_unref(&bo_va->fence); + bo_va->fence = radeon_fence_ref(fence); + } +} + /** * cs_parser_fini() - clean parser states * @parser: parser structure holding parsing context. @@ -290,11 +314,14 @@ static void radeon_cs_parser_fini(struct radeon_cs_parser *parser, int error) { unsigned i; - if (!error) + if (!error) { + /* fence all bo va before ttm_eu_fence_buffer_objects so bo are still reserved */ + radeon_bo_vm_fence_va(parser, parser->ib.fence); ttm_eu_fence_buffer_objects(&parser->validated, parser->ib.fence); - else + } else { ttm_eu_backoff_reservation(&parser->validated); + } if (parser->relocs != NULL) { for (i = 0; i < parser->nrelocs; i++) { @@ -388,7 +415,6 @@ static int radeon_cs_ib_vm_chunk(struct radeon_device *rdev, if (parser->chunk_ib_idx == -1) return 0; - if ((parser->cs_flags & RADEON_CS_USE_VM) == 0) return 0; diff --git a/drivers/gpu/drm/radeon/radeon_cursor.c b/drivers/gpu/drm/radeon/radeon_cursor.c index 711e95ad39b..8794744cdf1 100644 --- a/drivers/gpu/drm/radeon/radeon_cursor.c +++ b/drivers/gpu/drm/radeon/radeon_cursor.c @@ -67,7 +67,8 @@ static void radeon_hide_cursor(struct drm_crtc *crtc) if (ASIC_IS_DCE4(rdev)) { WREG32(RADEON_MM_INDEX, EVERGREEN_CUR_CONTROL + radeon_crtc->crtc_offset); - WREG32(RADEON_MM_DATA, EVERGREEN_CURSOR_MODE(EVERGREEN_CURSOR_24_8_PRE_MULT)); + WREG32(RADEON_MM_DATA, EVERGREEN_CURSOR_MODE(EVERGREEN_CURSOR_24_8_PRE_MULT) | + EVERGREEN_CURSOR_URGENT_CONTROL(EVERGREEN_CURSOR_URGENT_1_2)); } else if (ASIC_IS_AVIVO(rdev)) { WREG32(RADEON_MM_INDEX, AVIVO_D1CUR_CONTROL + radeon_crtc->crtc_offset); WREG32(RADEON_MM_DATA, (AVIVO_D1CURSOR_MODE_24BPP << AVIVO_D1CURSOR_MODE_SHIFT)); @@ -94,7 +95,8 @@ static void radeon_show_cursor(struct drm_crtc *crtc) if (ASIC_IS_DCE4(rdev)) { WREG32(RADEON_MM_INDEX, EVERGREEN_CUR_CONTROL + radeon_crtc->crtc_offset); WREG32(RADEON_MM_DATA, EVERGREEN_CURSOR_EN | - EVERGREEN_CURSOR_MODE(EVERGREEN_CURSOR_24_8_PRE_MULT)); + EVERGREEN_CURSOR_MODE(EVERGREEN_CURSOR_24_8_PRE_MULT) | + EVERGREEN_CURSOR_URGENT_CONTROL(EVERGREEN_CURSOR_URGENT_1_2)); } else if (ASIC_IS_AVIVO(rdev)) { WREG32(RADEON_MM_INDEX, AVIVO_D1CUR_CONTROL + radeon_crtc->crtc_offset); WREG32(RADEON_MM_DATA, AVIVO_D1CURSOR_EN | diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index 742af8244e8..d2e243867ac 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -1009,6 +1009,7 @@ int radeon_device_init(struct radeon_device *rdev, atomic_set(&rdev->ih.lock, 0); mutex_init(&rdev->gem.mutex); mutex_init(&rdev->pm.mutex); + mutex_init(&rdev->gpu_clock_mutex); init_rwsem(&rdev->pm.mclk_lock); init_rwsem(&rdev->exclusive_lock); init_waitqueue_head(&rdev->irq.vblank_queue); diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c index dcea6f01ae4..d7269f48d37 100644 --- a/drivers/gpu/drm/radeon/radeon_drv.c +++ b/drivers/gpu/drm/radeon/radeon_drv.c @@ -59,9 +59,12 @@ * 2.15.0 - add max_pipes query * 2.16.0 - fix evergreen 2D tiled surface calculation * 2.17.0 - add STRMOUT_BASE_UPDATE for r7xx + * 2.18.0 - r600-eg: allow "invalid" DB formats + * 2.19.0 - r600-eg: MSAA textures + * 2.20.0 - r600-si: RADEON_INFO_TIMESTAMP query */ #define KMS_DRIVER_MAJOR 2 -#define KMS_DRIVER_MINOR 17 +#define KMS_DRIVER_MINOR 20 #define KMS_DRIVER_PATCHLEVEL 0 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags); int radeon_driver_unload_kms(struct drm_device *dev); diff --git a/drivers/gpu/drm/radeon/radeon_gart.c b/drivers/gpu/drm/radeon/radeon_gart.c index b3720054614..bb3b7fe05cc 100644 --- a/drivers/gpu/drm/radeon/radeon_gart.c +++ b/drivers/gpu/drm/radeon/radeon_gart.c @@ -814,7 +814,7 @@ int radeon_vm_bo_update_pte(struct radeon_device *rdev, return -EINVAL; } - if (bo_va->valid) + if (bo_va->valid && mem) return 0; ngpu_pages = radeon_bo_ngpu_pages(bo); @@ -859,11 +859,27 @@ int radeon_vm_bo_rmv(struct radeon_device *rdev, struct radeon_bo *bo) { struct radeon_bo_va *bo_va; + int r; bo_va = radeon_bo_va(bo, vm); if (bo_va == NULL) return 0; + /* wait for va use to end */ + while (bo_va->fence) { + r = radeon_fence_wait(bo_va->fence, false); + if (r) { + DRM_ERROR("error while waiting for fence: %d\n", r); + } + if (r == -EDEADLK) { + r = radeon_gpu_reset(rdev); + if (!r) + continue; + } + break; + } + radeon_fence_unref(&bo_va->fence); + mutex_lock(&rdev->vm_manager.lock); mutex_lock(&vm->mutex); radeon_vm_bo_update_pte(rdev, vm, bo, NULL); @@ -934,7 +950,7 @@ int radeon_vm_init(struct radeon_device *rdev, struct radeon_vm *vm) } /** - * radeon_vm_init - tear down a vm instance + * radeon_vm_fini - tear down a vm instance * * @rdev: radeon_device pointer * @vm: requested vm @@ -952,12 +968,15 @@ void radeon_vm_fini(struct radeon_device *rdev, struct radeon_vm *vm) radeon_vm_unbind_locked(rdev, vm); mutex_unlock(&rdev->vm_manager.lock); - /* remove all bo */ + /* remove all bo at this point non are busy any more because unbind + * waited for the last vm fence to signal + */ r = radeon_bo_reserve(rdev->ring_tmp_bo.bo, false); if (!r) { bo_va = radeon_bo_va(rdev->ring_tmp_bo.bo, vm); list_del_init(&bo_va->bo_list); list_del_init(&bo_va->vm_list); + radeon_fence_unref(&bo_va->fence); radeon_bo_unreserve(rdev->ring_tmp_bo.bo); kfree(bo_va); } @@ -969,6 +988,7 @@ void radeon_vm_fini(struct radeon_device *rdev, struct radeon_vm *vm) r = radeon_bo_reserve(bo_va->bo, false); if (!r) { list_del_init(&bo_va->bo_list); + radeon_fence_unref(&bo_va->fence); radeon_bo_unreserve(bo_va->bo); kfree(bo_va); } diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c index 84d04524573..1b57b0058ad 100644 --- a/drivers/gpu/drm/radeon/radeon_gem.c +++ b/drivers/gpu/drm/radeon/radeon_gem.c @@ -134,25 +134,16 @@ void radeon_gem_object_close(struct drm_gem_object *obj, struct radeon_device *rdev = rbo->rdev; struct radeon_fpriv *fpriv = file_priv->driver_priv; struct radeon_vm *vm = &fpriv->vm; - struct radeon_bo_va *bo_va, *tmp; if (rdev->family < CHIP_CAYMAN) { return; } if (radeon_bo_reserve(rbo, false)) { + dev_err(rdev->dev, "leaking bo va because we fail to reserve bo\n"); return; } - list_for_each_entry_safe(bo_va, tmp, &rbo->va, bo_list) { - if (bo_va->vm == vm) { - /* remove from this vm address space */ - mutex_lock(&vm->mutex); - list_del(&bo_va->vm_list); - mutex_unlock(&vm->mutex); - list_del(&bo_va->bo_list); - kfree(bo_va); - } - } + radeon_vm_bo_rmv(rdev, vm, rbo); radeon_bo_unreserve(rbo); } diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c index 1d73f16b5d9..414b4acf694 100644 --- a/drivers/gpu/drm/radeon/radeon_kms.c +++ b/drivers/gpu/drm/radeon/radeon_kms.c @@ -29,6 +29,7 @@ #include "drm_sarea.h" #include "radeon.h" #include "radeon_drm.h" +#include "radeon_asic.h" #include <linux/vga_switcheroo.h> #include <linux/slab.h> @@ -167,17 +168,39 @@ static void radeon_set_filp_rights(struct drm_device *dev, int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) { struct radeon_device *rdev = dev->dev_private; - struct drm_radeon_info *info; + struct drm_radeon_info *info = data; struct radeon_mode_info *minfo = &rdev->mode_info; - uint32_t *value_ptr; - uint32_t value; + uint32_t value, *value_ptr; + uint64_t value64, *value_ptr64; struct drm_crtc *crtc; int i, found; - info = data; + /* TIMESTAMP is a 64-bit value, needs special handling. */ + if (info->request == RADEON_INFO_TIMESTAMP) { + if (rdev->family >= CHIP_R600) { + value_ptr64 = (uint64_t*)((unsigned long)info->value); + if (rdev->family >= CHIP_TAHITI) { + value64 = si_get_gpu_clock(rdev); + } else { + value64 = r600_get_gpu_clock(rdev); + } + + if (DRM_COPY_TO_USER(value_ptr64, &value64, sizeof(value64))) { + DRM_ERROR("copy_to_user %s:%u\n", __func__, __LINE__); + return -EFAULT; + } + return 0; + } else { + DRM_DEBUG_KMS("timestamp is r6xx+ only!\n"); + return -EINVAL; + } + } + value_ptr = (uint32_t *)((unsigned long)info->value); - if (DRM_COPY_FROM_USER(&value, value_ptr, sizeof(value))) + if (DRM_COPY_FROM_USER(&value, value_ptr, sizeof(value))) { + DRM_ERROR("copy_from_user %s:%u\n", __func__, __LINE__); return -EFAULT; + } switch (info->request) { case RADEON_INFO_DEVICE_ID: @@ -337,7 +360,7 @@ int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) return -EINVAL; } if (DRM_COPY_TO_USER(value_ptr, &value, sizeof(uint32_t))) { - DRM_ERROR("copy_to_user\n"); + DRM_ERROR("copy_to_user %s:%u\n", __func__, __LINE__); return -EFAULT; } return 0; diff --git a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c index d5fd615897e..94b4a1c1289 100644 --- a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c +++ b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c @@ -1025,9 +1025,11 @@ static int radeon_crtc_mode_set(struct drm_crtc *crtc, static void radeon_crtc_prepare(struct drm_crtc *crtc) { + struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); struct drm_device *dev = crtc->dev; struct drm_crtc *crtci; + radeon_crtc->in_mode_set = true; /* * The hardware wedges sometimes if you reconfigure one CRTC * whilst another is running (see fdo bug #24611). @@ -1038,6 +1040,7 @@ static void radeon_crtc_prepare(struct drm_crtc *crtc) static void radeon_crtc_commit(struct drm_crtc *crtc) { + struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); struct drm_device *dev = crtc->dev; struct drm_crtc *crtci; @@ -1048,6 +1051,7 @@ static void radeon_crtc_commit(struct drm_crtc *crtc) if (crtci->enabled) radeon_crtc_dpms(crtci, DRM_MODE_DPMS_ON); } + radeon_crtc->in_mode_set = false; } static const struct drm_crtc_helper_funcs legacy_helper_funcs = { diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h index f380d59c576..d56978949f3 100644 --- a/drivers/gpu/drm/radeon/radeon_mode.h +++ b/drivers/gpu/drm/radeon/radeon_mode.h @@ -275,6 +275,7 @@ struct radeon_crtc { u16 lut_r[256], lut_g[256], lut_b[256]; bool enabled; bool can_tile; + bool in_mode_set; uint32_t crtc_offset; struct drm_gem_object *cursor_bo; uint64_t cursor_addr; diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c index 1f1a4c803c1..1cb014b571a 100644 --- a/drivers/gpu/drm/radeon/radeon_object.c +++ b/drivers/gpu/drm/radeon/radeon_object.c @@ -52,11 +52,7 @@ void radeon_bo_clear_va(struct radeon_bo *bo) list_for_each_entry_safe(bo_va, tmp, &bo->va, bo_list) { /* remove from all vm address space */ - mutex_lock(&bo_va->vm->mutex); - list_del(&bo_va->vm_list); - mutex_unlock(&bo_va->vm->mutex); - list_del(&bo_va->bo_list); - kfree(bo_va); + radeon_vm_bo_rmv(bo->rdev, bo_va->vm, bo); } } diff --git a/drivers/gpu/drm/radeon/rv515.c b/drivers/gpu/drm/radeon/rv515.c index a12fbcc8ccb..aa8ef491ef3 100644 --- a/drivers/gpu/drm/radeon/rv515.c +++ b/drivers/gpu/drm/radeon/rv515.c @@ -281,12 +281,8 @@ int rv515_debugfs_ga_info_init(struct radeon_device *rdev) void rv515_mc_stop(struct radeon_device *rdev, struct rv515_mc_save *save) { - save->d1vga_control = RREG32(R_000330_D1VGA_CONTROL); - save->d2vga_control = RREG32(R_000338_D2VGA_CONTROL); save->vga_render_control = RREG32(R_000300_VGA_RENDER_CONTROL); save->vga_hdp_control = RREG32(R_000328_VGA_HDP_CONTROL); - save->d1crtc_control = RREG32(R_006080_D1CRTC_CONTROL); - save->d2crtc_control = RREG32(R_006880_D2CRTC_CONTROL); /* Stop all video */ WREG32(R_0068E8_D2CRTC_UPDATE_LOCK, 0); @@ -311,15 +307,6 @@ void rv515_mc_resume(struct radeon_device *rdev, struct rv515_mc_save *save) /* Unlock host access */ WREG32(R_000328_VGA_HDP_CONTROL, save->vga_hdp_control); mdelay(1); - /* Restore video state */ - WREG32(R_000330_D1VGA_CONTROL, save->d1vga_control); - WREG32(R_000338_D2VGA_CONTROL, save->d2vga_control); - WREG32(R_0060E8_D1CRTC_UPDATE_LOCK, 1); - WREG32(R_0068E8_D2CRTC_UPDATE_LOCK, 1); - WREG32(R_006080_D1CRTC_CONTROL, save->d1crtc_control); - WREG32(R_006880_D2CRTC_CONTROL, save->d2crtc_control); - WREG32(R_0060E8_D1CRTC_UPDATE_LOCK, 0); - WREG32(R_0068E8_D2CRTC_UPDATE_LOCK, 0); WREG32(R_000300_VGA_RENDER_CONTROL, save->vga_render_control); } diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index c053f819377..0139e227e3c 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -1639,11 +1639,19 @@ static void si_gpu_init(struct radeon_device *rdev) /* XXX what about 12? */ rdev->config.si.tile_config |= (3 << 0); break; - } - if ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) - rdev->config.si.tile_config |= 1 << 4; - else + } + switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) { + case 0: /* four banks */ rdev->config.si.tile_config |= 0 << 4; + break; + case 1: /* eight banks */ + rdev->config.si.tile_config |= 1 << 4; + break; + case 2: /* sixteen banks */ + default: + rdev->config.si.tile_config |= 2 << 4; + break; + } rdev->config.si.tile_config |= ((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8; rdev->config.si.tile_config |= @@ -3960,3 +3968,22 @@ void si_fini(struct radeon_device *rdev) rdev->bios = NULL; } +/** + * si_get_gpu_clock - return GPU clock counter snapshot + * + * @rdev: radeon_device pointer + * + * Fetches a GPU clock counter snapshot (SI). + * Returns the 64 bit clock counter snapshot. + */ +uint64_t si_get_gpu_clock(struct radeon_device *rdev) +{ + uint64_t clock; + + mutex_lock(&rdev->gpu_clock_mutex); + WREG32(RLC_CAPTURE_GPU_CLOCK_COUNT, 1); + clock = (uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_LSB) | + ((uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_MSB) << 32ULL); + mutex_unlock(&rdev->gpu_clock_mutex); + return clock; +} diff --git a/drivers/gpu/drm/radeon/sid.h b/drivers/gpu/drm/radeon/sid.h index 7869089e876..ef4815c27b1 100644 --- a/drivers/gpu/drm/radeon/sid.h +++ b/drivers/gpu/drm/radeon/sid.h @@ -698,6 +698,9 @@ #define RLC_UCODE_ADDR 0xC32C #define RLC_UCODE_DATA 0xC330 +#define RLC_GPU_CLOCK_COUNT_LSB 0xC338 +#define RLC_GPU_CLOCK_COUNT_MSB 0xC33C +#define RLC_CAPTURE_GPU_CLOCK_COUNT 0xC340 #define RLC_MC_CNTL 0xC344 #define RLC_UCODE_CNTL 0xC348 diff --git a/drivers/gpu/drm/udl/udl_gem.c b/drivers/gpu/drm/udl/udl_gem.c index 7bd65bdd15a..291ecc14558 100644 --- a/drivers/gpu/drm/udl/udl_gem.c +++ b/drivers/gpu/drm/udl/udl_gem.c @@ -308,7 +308,7 @@ struct drm_gem_object *udl_gem_prime_import(struct drm_device *dev, /* need to attach */ attach = dma_buf_attach(dma_buf, dev->dev); if (IS_ERR(attach)) - return ERR_PTR(PTR_ERR(attach)); + return ERR_CAST(attach); sg = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL); if (IS_ERR(sg)) { diff --git a/drivers/gpu/vga/vga_switcheroo.c b/drivers/gpu/vga/vga_switcheroo.c index 5b3c7d135dc..e25cf31faab 100644 --- a/drivers/gpu/vga/vga_switcheroo.c +++ b/drivers/gpu/vga/vga_switcheroo.c @@ -70,27 +70,12 @@ static struct vgasr_priv vgasr_priv = { .clients = LIST_HEAD_INIT(vgasr_priv.clients), }; -int vga_switcheroo_register_handler(struct vga_switcheroo_handler *handler) -{ - mutex_lock(&vgasr_mutex); - if (vgasr_priv.handler) { - mutex_unlock(&vgasr_mutex); - return -EINVAL; - } - - vgasr_priv.handler = handler; - mutex_unlock(&vgasr_mutex); - return 0; -} -EXPORT_SYMBOL(vga_switcheroo_register_handler); - -void vga_switcheroo_unregister_handler(void) +static bool vga_switcheroo_ready(void) { - mutex_lock(&vgasr_mutex); - vgasr_priv.handler = NULL; - mutex_unlock(&vgasr_mutex); + /* we're ready if we get two clients + handler */ + return !vgasr_priv.active && + vgasr_priv.registered_clients == 2 && vgasr_priv.handler; } -EXPORT_SYMBOL(vga_switcheroo_unregister_handler); static void vga_switcheroo_enable(void) { @@ -98,7 +83,8 @@ static void vga_switcheroo_enable(void) struct vga_switcheroo_client *client; /* call the handler to init */ - vgasr_priv.handler->init(); + if (vgasr_priv.handler->init) + vgasr_priv.handler->init(); list_for_each_entry(client, &vgasr_priv.clients, list) { if (client->id != -1) @@ -113,6 +99,37 @@ static void vga_switcheroo_enable(void) vgasr_priv.active = true; } +int vga_switcheroo_register_handler(struct vga_switcheroo_handler *handler) +{ + mutex_lock(&vgasr_mutex); + if (vgasr_priv.handler) { + mutex_unlock(&vgasr_mutex); + return -EINVAL; + } + + vgasr_priv.handler = handler; + if (vga_switcheroo_ready()) { + printk(KERN_INFO "vga_switcheroo: enabled\n"); + vga_switcheroo_enable(); + } + mutex_unlock(&vgasr_mutex); + return 0; +} +EXPORT_SYMBOL(vga_switcheroo_register_handler); + +void vga_switcheroo_unregister_handler(void) +{ + mutex_lock(&vgasr_mutex); + vgasr_priv.handler = NULL; + if (vgasr_priv.active) { + pr_info("vga_switcheroo: disabled\n"); + vga_switcheroo_debugfs_fini(&vgasr_priv); + vgasr_priv.active = false; + } + mutex_unlock(&vgasr_mutex); +} +EXPORT_SYMBOL(vga_switcheroo_unregister_handler); + static int register_client(struct pci_dev *pdev, const struct vga_switcheroo_client_ops *ops, int id, bool active) @@ -134,9 +151,7 @@ static int register_client(struct pci_dev *pdev, if (client_is_vga(client)) vgasr_priv.registered_clients++; - /* if we get two clients + handler */ - if (!vgasr_priv.active && - vgasr_priv.registered_clients == 2 && vgasr_priv.handler) { + if (vga_switcheroo_ready()) { printk(KERN_INFO "vga_switcheroo: enabled\n"); vga_switcheroo_enable(); } diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c index faa16f80db9..0fa356fe82c 100644 --- a/drivers/hwmon/coretemp.c +++ b/drivers/hwmon/coretemp.c @@ -196,7 +196,7 @@ struct tjmax { int tjmax; }; -static struct tjmax __cpuinitconst tjmax_table[] = { +static const struct tjmax __cpuinitconst tjmax_table[] = { { "CPU D410", 100000 }, { "CPU D425", 100000 }, { "CPU D510", 100000 }, diff --git a/drivers/hwmon/w83627hf.c b/drivers/hwmon/w83627hf.c index ab4825205a9..5b1a6a66644 100644 --- a/drivers/hwmon/w83627hf.c +++ b/drivers/hwmon/w83627hf.c @@ -1206,7 +1206,7 @@ static int __init w83627hf_find(int sioaddr, unsigned short *addr, int err = -ENODEV; u16 val; - static const __initdata char *names[] = { + static __initconst char *const names[] = { "W83627HF", "W83627THF", "W83697HF", diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c index f559088869f..e8726177d10 100644 --- a/drivers/idle/intel_idle.c +++ b/drivers/idle/intel_idle.c @@ -606,8 +606,9 @@ static int __init intel_idle_init(void) intel_idle_cpuidle_driver_init(); retval = cpuidle_register_driver(&intel_idle_driver); if (retval) { + struct cpuidle_driver *drv = cpuidle_get_driver(); printk(KERN_DEBUG PREFIX "intel_idle yielding to %s", - cpuidle_get_driver()->name); + drv ? drv->name : "none"); return retval; } diff --git a/drivers/iio/frequency/adf4350.c b/drivers/iio/frequency/adf4350.c index 59fbb3ae40e..e35bb8f6fe7 100644 --- a/drivers/iio/frequency/adf4350.c +++ b/drivers/iio/frequency/adf4350.c @@ -129,7 +129,7 @@ static int adf4350_set_freq(struct adf4350_state *st, unsigned long long freq) { struct adf4350_platform_data *pdata = st->pdata; u64 tmp; - u32 div_gcd, prescaler; + u32 div_gcd, prescaler, chspc; u16 mdiv, r_cnt = 0; u8 band_sel_div; @@ -158,14 +158,20 @@ static int adf4350_set_freq(struct adf4350_state *st, unsigned long long freq) if (pdata->ref_div_factor) r_cnt = pdata->ref_div_factor - 1; - do { - r_cnt = adf4350_tune_r_cnt(st, r_cnt); + chspc = st->chspc; - st->r1_mod = st->fpfd / st->chspc; - while (st->r1_mod > ADF4350_MAX_MODULUS) { - r_cnt = adf4350_tune_r_cnt(st, r_cnt); - st->r1_mod = st->fpfd / st->chspc; - } + do { + do { + do { + r_cnt = adf4350_tune_r_cnt(st, r_cnt); + st->r1_mod = st->fpfd / chspc; + if (r_cnt > ADF4350_MAX_R_CNT) { + /* try higher spacing values */ + chspc++; + r_cnt = 0; + } + } while ((st->r1_mod > ADF4350_MAX_MODULUS) && r_cnt); + } while (r_cnt == 0); tmp = freq * (u64)st->r1_mod + (st->fpfd > 1); do_div(tmp, st->fpfd); /* Div round closest (n + d/2)/d */ @@ -194,7 +200,7 @@ static int adf4350_set_freq(struct adf4350_state *st, unsigned long long freq) st->regs[ADF4350_REG0] = ADF4350_REG0_INT(st->r0_int) | ADF4350_REG0_FRACT(st->r0_fract); - st->regs[ADF4350_REG1] = ADF4350_REG1_PHASE(0) | + st->regs[ADF4350_REG1] = ADF4350_REG1_PHASE(1) | ADF4350_REG1_MOD(st->r1_mod) | prescaler; diff --git a/drivers/iio/light/adjd_s311.c b/drivers/iio/light/adjd_s311.c index 1cbb449b319..9a99f43094f 100644 --- a/drivers/iio/light/adjd_s311.c +++ b/drivers/iio/light/adjd_s311.c @@ -271,9 +271,10 @@ static int adjd_s311_update_scan_mode(struct iio_dev *indio_dev, const unsigned long *scan_mask) { struct adjd_s311_data *data = iio_priv(indio_dev); - data->buffer = krealloc(data->buffer, indio_dev->scan_bytes, - GFP_KERNEL); - if (!data->buffer) + + kfree(data->buffer); + data->buffer = kmalloc(indio_dev->scan_bytes, GFP_KERNEL); + if (data->buffer == NULL) return -ENOMEM; return 0; diff --git a/drivers/iio/light/lm3533-als.c b/drivers/iio/light/lm3533-als.c index c3e7bac1312..e45712a921c 100644 --- a/drivers/iio/light/lm3533-als.c +++ b/drivers/iio/light/lm3533-als.c @@ -404,7 +404,7 @@ out: return ret; } -static int show_thresh_either_en(struct device *dev, +static ssize_t show_thresh_either_en(struct device *dev, struct device_attribute *attr, char *buf) { @@ -424,7 +424,7 @@ static int show_thresh_either_en(struct device *dev, return scnprintf(buf, PAGE_SIZE, "%u\n", enable); } -static int store_thresh_either_en(struct device *dev, +static ssize_t store_thresh_either_en(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c index 6bf85042289..055ed59838d 100644 --- a/drivers/infiniband/core/ucma.c +++ b/drivers/infiniband/core/ucma.c @@ -267,6 +267,7 @@ static int ucma_event_handler(struct rdma_cm_id *cm_id, if (!uevent) return event->event == RDMA_CM_EVENT_CONNECT_REQUEST; + mutex_lock(&ctx->file->mut); uevent->cm_id = cm_id; ucma_set_event_context(ctx, event, uevent); uevent->resp.event = event->event; @@ -277,7 +278,6 @@ static int ucma_event_handler(struct rdma_cm_id *cm_id, ucma_copy_conn_event(&uevent->resp.param.conn, &event->param.conn); - mutex_lock(&ctx->file->mut); if (event->event == RDMA_CM_EVENT_CONNECT_REQUEST) { if (!ctx->backlog) { ret = -ENOMEM; diff --git a/drivers/infiniband/hw/amso1100/c2_rnic.c b/drivers/infiniband/hw/amso1100/c2_rnic.c index 8c81992fa6d..e4a73158fc7 100644 --- a/drivers/infiniband/hw/amso1100/c2_rnic.c +++ b/drivers/infiniband/hw/amso1100/c2_rnic.c @@ -439,7 +439,7 @@ static int c2_rnic_close(struct c2_dev *c2dev) /* * Called by c2_probe to initialize the RNIC. This principally - * involves initalizing the various limits and resouce pools that + * involves initializing the various limits and resource pools that * comprise the RNIC instance. */ int __devinit c2_rnic_init(struct c2_dev *c2dev) diff --git a/drivers/infiniband/hw/cxgb3/iwch_cm.c b/drivers/infiniband/hw/cxgb3/iwch_cm.c index 77b6b182778..aaf88ef9409 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_cm.c +++ b/drivers/infiniband/hw/cxgb3/iwch_cm.c @@ -1680,7 +1680,7 @@ static int close_con_rpl(struct t3cdev *tdev, struct sk_buff *skb, void *ctx) * T3A does 3 things when a TERM is received: * 1) send up a CPL_RDMA_TERMINATE message with the TERM packet * 2) generate an async event on the QP with the TERMINATE opcode - * 3) post a TERMINATE opcde cqe into the associated CQ. + * 3) post a TERMINATE opcode cqe into the associated CQ. * * For (1), we save the message in the qp for later consumer consumption. * For (2), we move the QP into TERMINATE, post a QP event and disconnect. diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c index c27141fef1a..9c2ae7efd00 100644 --- a/drivers/infiniband/hw/mlx4/mad.c +++ b/drivers/infiniband/hw/mlx4/mad.c @@ -125,6 +125,7 @@ static void update_sm_ah(struct mlx4_ib_dev *dev, u8 port_num, u16 lid, u8 sl) { struct ib_ah *new_ah; struct ib_ah_attr ah_attr; + unsigned long flags; if (!dev->send_agent[port_num - 1][0]) return; @@ -139,11 +140,11 @@ static void update_sm_ah(struct mlx4_ib_dev *dev, u8 port_num, u16 lid, u8 sl) if (IS_ERR(new_ah)) return; - spin_lock(&dev->sm_lock); + spin_lock_irqsave(&dev->sm_lock, flags); if (dev->sm_ah[port_num - 1]) ib_destroy_ah(dev->sm_ah[port_num - 1]); dev->sm_ah[port_num - 1] = new_ah; - spin_unlock(&dev->sm_lock); + spin_unlock_irqrestore(&dev->sm_lock, flags); } /* @@ -197,13 +198,15 @@ static void smp_snoop(struct ib_device *ibdev, u8 port_num, struct ib_mad *mad, static void node_desc_override(struct ib_device *dev, struct ib_mad *mad) { + unsigned long flags; + if ((mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_SUBN_LID_ROUTED || mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) && mad->mad_hdr.method == IB_MGMT_METHOD_GET_RESP && mad->mad_hdr.attr_id == IB_SMP_ATTR_NODE_DESC) { - spin_lock(&to_mdev(dev)->sm_lock); + spin_lock_irqsave(&to_mdev(dev)->sm_lock, flags); memcpy(((struct ib_smp *) mad)->data, dev->node_desc, 64); - spin_unlock(&to_mdev(dev)->sm_lock); + spin_unlock_irqrestore(&to_mdev(dev)->sm_lock, flags); } } @@ -213,6 +216,7 @@ static void forward_trap(struct mlx4_ib_dev *dev, u8 port_num, struct ib_mad *ma struct ib_mad_send_buf *send_buf; struct ib_mad_agent *agent = dev->send_agent[port_num - 1][qpn]; int ret; + unsigned long flags; if (agent) { send_buf = ib_create_send_mad(agent, qpn, 0, 0, IB_MGMT_MAD_HDR, @@ -225,13 +229,13 @@ static void forward_trap(struct mlx4_ib_dev *dev, u8 port_num, struct ib_mad *ma * wrong following the IB spec strictly, but we know * it's OK for our devices). */ - spin_lock(&dev->sm_lock); + spin_lock_irqsave(&dev->sm_lock, flags); memcpy(send_buf->mad, mad, sizeof *mad); if ((send_buf->ah = dev->sm_ah[port_num - 1])) ret = ib_post_send_mad(send_buf, NULL); else ret = -EINVAL; - spin_unlock(&dev->sm_lock); + spin_unlock_irqrestore(&dev->sm_lock, flags); if (ret) ib_free_send_mad(send_buf); diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index fe2088cfa6e..cc05579ebce 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -423,6 +423,7 @@ static int mlx4_ib_modify_device(struct ib_device *ibdev, int mask, struct ib_device_modify *props) { struct mlx4_cmd_mailbox *mailbox; + unsigned long flags; if (mask & ~IB_DEVICE_MODIFY_NODE_DESC) return -EOPNOTSUPP; @@ -430,9 +431,9 @@ static int mlx4_ib_modify_device(struct ib_device *ibdev, int mask, if (!(mask & IB_DEVICE_MODIFY_NODE_DESC)) return 0; - spin_lock(&to_mdev(ibdev)->sm_lock); + spin_lock_irqsave(&to_mdev(ibdev)->sm_lock, flags); memcpy(ibdev->node_desc, props->node_desc, 64); - spin_unlock(&to_mdev(ibdev)->sm_lock); + spin_unlock_irqrestore(&to_mdev(ibdev)->sm_lock, flags); /* * If possible, pass node desc to FW, so it can generate diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c index a6d8ea060ea..f585eddef4b 100644 --- a/drivers/infiniband/hw/mlx4/qp.c +++ b/drivers/infiniband/hw/mlx4/qp.c @@ -1407,6 +1407,7 @@ static int build_mlx_header(struct mlx4_ib_sqp *sqp, struct ib_send_wr *wr, struct mlx4_wqe_mlx_seg *mlx = wqe; struct mlx4_wqe_inline_seg *inl = wqe + sizeof *mlx; struct mlx4_ib_ah *ah = to_mah(wr->wr.ud.ah); + struct net_device *ndev; union ib_gid sgid; u16 pkey; int send_size; @@ -1483,7 +1484,10 @@ static int build_mlx_header(struct mlx4_ib_sqp *sqp, struct ib_send_wr *wr, memcpy(sqp->ud_header.eth.dmac_h, ah->av.eth.mac, 6); /* FIXME: cache smac value? */ - smac = to_mdev(sqp->qp.ibqp.device)->iboe.netdevs[sqp->qp.port - 1]->dev_addr; + ndev = to_mdev(sqp->qp.ibqp.device)->iboe.netdevs[sqp->qp.port - 1]; + if (!ndev) + return -ENODEV; + smac = ndev->dev_addr; memcpy(sqp->ud_header.eth.smac_h, smac, 6); if (!memcmp(sqp->ud_header.eth.smac_h, sqp->ud_header.eth.dmac_h, 6)) mlx->flags |= cpu_to_be32(MLX4_WQE_CTRL_FORCE_LOOPBACK); diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_main.c b/drivers/infiniband/hw/ocrdma/ocrdma_main.c index 5a044526e4f..c4e0131f1b5 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_main.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_main.c @@ -161,7 +161,7 @@ static void ocrdma_add_default_sgid(struct ocrdma_dev *dev) ocrdma_get_guid(dev, &sgid->raw[8]); } -#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE) +#if IS_ENABLED(CONFIG_VLAN_8021Q) static void ocrdma_add_vlan_sgids(struct ocrdma_dev *dev) { struct net_device *netdev, *tmp; @@ -202,14 +202,13 @@ static int ocrdma_build_sgid_tbl(struct ocrdma_dev *dev) return 0; } -#if IS_ENABLED(CONFIG_IPV6) || IS_ENABLED(CONFIG_VLAN_8021Q) +#if IS_ENABLED(CONFIG_IPV6) static int ocrdma_inet6addr_event(struct notifier_block *notifier, unsigned long event, void *ptr) { struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr; - struct net_device *event_netdev = ifa->idev->dev; - struct net_device *netdev = NULL; + struct net_device *netdev = ifa->idev->dev; struct ib_event gid_event; struct ocrdma_dev *dev; bool found = false; @@ -217,11 +216,12 @@ static int ocrdma_inet6addr_event(struct notifier_block *notifier, bool is_vlan = false; u16 vid = 0; - netdev = vlan_dev_real_dev(event_netdev); - if (netdev != event_netdev) { - is_vlan = true; - vid = vlan_dev_vlan_id(event_netdev); + is_vlan = netdev->priv_flags & IFF_802_1Q_VLAN; + if (is_vlan) { + vid = vlan_dev_vlan_id(netdev); + netdev = vlan_dev_real_dev(netdev); } + rcu_read_lock(); list_for_each_entry_rcu(dev, &ocrdma_dev_list, entry) { if (dev->nic_info.netdev == netdev) { diff --git a/drivers/infiniband/hw/qib/qib_iba7322.c b/drivers/infiniband/hw/qib/qib_iba7322.c index 0d7280af99b..3f6b21e9dc1 100644 --- a/drivers/infiniband/hw/qib/qib_iba7322.c +++ b/drivers/infiniband/hw/qib/qib_iba7322.c @@ -6346,8 +6346,10 @@ static int qib_init_7322_variables(struct qib_devdata *dd) dd->piobcnt4k * dd->align4k; dd->piovl15base = ioremap_nocache(vl15off, NUM_VL15_BUFS * dd->align4k); - if (!dd->piovl15base) + if (!dd->piovl15base) { + ret = -ENOMEM; goto bail; + } } qib_7322_set_baseaddrs(dd); /* set chip access pointers now */ diff --git a/drivers/infiniband/hw/qib/qib_sd7220.c b/drivers/infiniband/hw/qib/qib_sd7220.c index a322d5171a2..50a8a0d4fe6 100644 --- a/drivers/infiniband/hw/qib/qib_sd7220.c +++ b/drivers/infiniband/hw/qib/qib_sd7220.c @@ -372,7 +372,7 @@ static void qib_sd_trimdone_monitor(struct qib_devdata *dd, /* Read CTRL reg for each channel to check TRIMDONE */ if (baduns & (1 << chn)) { qib_dev_err(dd, - "Reseting TRIMDONE on chn %d (%s)\n", + "Resetting TRIMDONE on chn %d (%s)\n", chn, where); ret = qib_sd7220_reg_mod(dd, IB_7220_SERDES, IB_CTRL2(chn), 0x10, 0x10); diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c index 95ecf4eadf5..24683fda8e2 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c @@ -1271,12 +1271,15 @@ struct ipoib_cm_tx *ipoib_cm_create_tx(struct net_device *dev, struct ipoib_path void ipoib_cm_destroy_tx(struct ipoib_cm_tx *tx) { struct ipoib_dev_priv *priv = netdev_priv(tx->dev); + unsigned long flags; if (test_and_clear_bit(IPOIB_FLAG_INITIALIZED, &tx->flags)) { + spin_lock_irqsave(&priv->lock, flags); list_move(&tx->list, &priv->cm.reap_list); queue_work(ipoib_workqueue, &priv->cm.reap_task); ipoib_dbg(priv, "Reap connection for gid %pI6\n", tx->neigh->daddr + 4); tx->neigh = NULL; + spin_unlock_irqrestore(&priv->lock, flags); } } diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index 97920b77a5d..3e2085a3ee4 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -1052,7 +1052,7 @@ void ipoib_neigh_free(struct ipoib_neigh *neigh) for (n = rcu_dereference_protected(*np, lockdep_is_held(&ntbl->rwlock)); n != NULL; - n = rcu_dereference_protected(neigh->hnext, + n = rcu_dereference_protected(*np, lockdep_is_held(&ntbl->rwlock))) { if (n == neigh) { /* found */ diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c index bcbf22ee0aa..1b5b0c73005 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -586,24 +586,62 @@ static void srp_unmap_data(struct scsi_cmnd *scmnd, scmnd->sc_data_direction); } -static void srp_remove_req(struct srp_target_port *target, - struct srp_request *req, s32 req_lim_delta) +/** + * srp_claim_req - Take ownership of the scmnd associated with a request. + * @target: SRP target port. + * @req: SRP request. + * @scmnd: If NULL, take ownership of @req->scmnd. If not NULL, only take + * ownership of @req->scmnd if it equals @scmnd. + * + * Return value: + * Either NULL or a pointer to the SCSI command the caller became owner of. + */ +static struct scsi_cmnd *srp_claim_req(struct srp_target_port *target, + struct srp_request *req, + struct scsi_cmnd *scmnd) +{ + unsigned long flags; + + spin_lock_irqsave(&target->lock, flags); + if (!scmnd) { + scmnd = req->scmnd; + req->scmnd = NULL; + } else if (req->scmnd == scmnd) { + req->scmnd = NULL; + } else { + scmnd = NULL; + } + spin_unlock_irqrestore(&target->lock, flags); + + return scmnd; +} + +/** + * srp_free_req() - Unmap data and add request to the free request list. + */ +static void srp_free_req(struct srp_target_port *target, + struct srp_request *req, struct scsi_cmnd *scmnd, + s32 req_lim_delta) { unsigned long flags; - srp_unmap_data(req->scmnd, target, req); + srp_unmap_data(scmnd, target, req); + spin_lock_irqsave(&target->lock, flags); target->req_lim += req_lim_delta; - req->scmnd = NULL; list_add_tail(&req->list, &target->free_reqs); spin_unlock_irqrestore(&target->lock, flags); } static void srp_reset_req(struct srp_target_port *target, struct srp_request *req) { - req->scmnd->result = DID_RESET << 16; - req->scmnd->scsi_done(req->scmnd); - srp_remove_req(target, req, 0); + struct scsi_cmnd *scmnd = srp_claim_req(target, req, NULL); + + if (scmnd) { + scmnd->result = DID_RESET << 16; + scmnd->scsi_done(scmnd); + srp_free_req(target, req, scmnd, 0); + } } static int srp_reconnect_target(struct srp_target_port *target) @@ -1073,11 +1111,18 @@ static void srp_process_rsp(struct srp_target_port *target, struct srp_rsp *rsp) complete(&target->tsk_mgmt_done); } else { req = &target->req_ring[rsp->tag]; - scmnd = req->scmnd; - if (!scmnd) + scmnd = srp_claim_req(target, req, NULL); + if (!scmnd) { shost_printk(KERN_ERR, target->scsi_host, "Null scmnd for RSP w/tag %016llx\n", (unsigned long long) rsp->tag); + + spin_lock_irqsave(&target->lock, flags); + target->req_lim += be32_to_cpu(rsp->req_lim_delta); + spin_unlock_irqrestore(&target->lock, flags); + + return; + } scmnd->result = rsp->status; if (rsp->flags & SRP_RSP_FLAG_SNSVALID) { @@ -1092,7 +1137,9 @@ static void srp_process_rsp(struct srp_target_port *target, struct srp_rsp *rsp) else if (rsp->flags & (SRP_RSP_FLAG_DIOVER | SRP_RSP_FLAG_DIUNDER)) scsi_set_resid(scmnd, be32_to_cpu(rsp->data_in_res_cnt)); - srp_remove_req(target, req, be32_to_cpu(rsp->req_lim_delta)); + srp_free_req(target, req, scmnd, + be32_to_cpu(rsp->req_lim_delta)); + scmnd->host_scribble = NULL; scmnd->scsi_done(scmnd); } @@ -1631,25 +1678,17 @@ static int srp_abort(struct scsi_cmnd *scmnd) { struct srp_target_port *target = host_to_target(scmnd->device->host); struct srp_request *req = (struct srp_request *) scmnd->host_scribble; - int ret = SUCCESS; shost_printk(KERN_ERR, target->scsi_host, "SRP abort called\n"); - if (!req || target->qp_in_error) + if (!req || target->qp_in_error || !srp_claim_req(target, req, scmnd)) return FAILED; - if (srp_send_tsk_mgmt(target, req->index, scmnd->device->lun, - SRP_TSK_ABORT_TASK)) - return FAILED; - - if (req->scmnd) { - if (!target->tsk_mgmt_status) { - srp_remove_req(target, req, 0); - scmnd->result = DID_ABORT << 16; - } else - ret = FAILED; - } + srp_send_tsk_mgmt(target, req->index, scmnd->device->lun, + SRP_TSK_ABORT_TASK); + srp_free_req(target, req, scmnd, 0); + scmnd->result = DID_ABORT << 16; - return ret; + return SUCCESS; } static int srp_reset_device(struct scsi_cmnd *scmnd) diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c index 7a0ce8d4288..9e1449f8c6a 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.c +++ b/drivers/infiniband/ulp/srpt/ib_srpt.c @@ -1469,7 +1469,7 @@ static void srpt_handle_send_comp(struct srpt_rdma_ch *ch, * * XXX: what is now target_execute_cmd used to be asynchronous, and unmapping * the data that has been transferred via IB RDMA had to be postponed until the - * check_stop_free() callback. None of this is nessecary anymore and needs to + * check_stop_free() callback. None of this is necessary anymore and needs to * be cleaned up. */ static void srpt_handle_rdma_comp(struct srpt_rdma_ch *ch, diff --git a/drivers/input/touchscreen/eeti_ts.c b/drivers/input/touchscreen/eeti_ts.c index 503c7096ed3..908407efc67 100644 --- a/drivers/input/touchscreen/eeti_ts.c +++ b/drivers/input/touchscreen/eeti_ts.c @@ -48,7 +48,7 @@ struct eeti_ts_priv { struct input_dev *input; struct work_struct work; struct mutex mutex; - int irq, irq_active_high; + int irq_gpio, irq, irq_active_high; }; #define EETI_TS_BITDEPTH (11) @@ -62,7 +62,7 @@ struct eeti_ts_priv { static inline int eeti_ts_irq_active(struct eeti_ts_priv *priv) { - return gpio_get_value(irq_to_gpio(priv->irq)) == priv->irq_active_high; + return gpio_get_value(priv->irq_gpio) == priv->irq_active_high; } static void eeti_ts_read(struct work_struct *work) @@ -157,7 +157,7 @@ static void eeti_ts_close(struct input_dev *dev) static int __devinit eeti_ts_probe(struct i2c_client *client, const struct i2c_device_id *idp) { - struct eeti_ts_platform_data *pdata; + struct eeti_ts_platform_data *pdata = client->dev.platform_data; struct eeti_ts_priv *priv; struct input_dev *input; unsigned int irq_flags; @@ -199,9 +199,12 @@ static int __devinit eeti_ts_probe(struct i2c_client *client, priv->client = client; priv->input = input; - priv->irq = client->irq; + priv->irq_gpio = pdata->irq_gpio; + priv->irq = gpio_to_irq(pdata->irq_gpio); - pdata = client->dev.platform_data; + err = gpio_request_one(pdata->irq_gpio, GPIOF_IN, client->name); + if (err < 0) + goto err1; if (pdata) priv->irq_active_high = pdata->irq_active_high; @@ -215,13 +218,13 @@ static int __devinit eeti_ts_probe(struct i2c_client *client, err = input_register_device(input); if (err) - goto err1; + goto err2; err = request_irq(priv->irq, eeti_ts_isr, irq_flags, client->name, priv); if (err) { dev_err(&client->dev, "Unable to request touchscreen IRQ.\n"); - goto err2; + goto err3; } /* @@ -233,9 +236,11 @@ static int __devinit eeti_ts_probe(struct i2c_client *client, device_init_wakeup(&client->dev, 0); return 0; -err2: +err3: input_unregister_device(input); input = NULL; /* so we dont try to free it below */ +err2: + gpio_free(pdata->irq_gpio); err1: input_free_device(input); kfree(priv); diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 6d1cbdfc9b2..b64502dfa9f 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -296,8 +296,13 @@ static int iommu_init_device(struct device *dev) } else dma_pdev = pci_dev_get(pdev); + /* Account for quirked devices */ swap_pci_ref(&dma_pdev, pci_get_dma_source(dma_pdev)); + /* + * If it's a multifunction device that does not support our + * required ACS flags, add to the same group as function 0. + */ if (dma_pdev->multifunction && !pci_acs_enabled(dma_pdev, REQ_ACS_FLAGS)) swap_pci_ref(&dma_pdev, @@ -305,14 +310,28 @@ static int iommu_init_device(struct device *dev) PCI_DEVFN(PCI_SLOT(dma_pdev->devfn), 0))); + /* + * Devices on the root bus go through the iommu. If that's not us, + * find the next upstream device and test ACS up to the root bus. + * Finding the next device may require skipping virtual buses. + */ while (!pci_is_root_bus(dma_pdev->bus)) { - if (pci_acs_path_enabled(dma_pdev->bus->self, - NULL, REQ_ACS_FLAGS)) + struct pci_bus *bus = dma_pdev->bus; + + while (!bus->self) { + if (!pci_is_root_bus(bus)) + bus = bus->parent; + else + goto root_bus; + } + + if (pci_acs_path_enabled(bus->self, NULL, REQ_ACS_FLAGS)) break; - swap_pci_ref(&dma_pdev, pci_dev_get(dma_pdev->bus->self)); + swap_pci_ref(&dma_pdev, pci_dev_get(bus->self)); } +root_bus: group = iommu_group_get(&dma_pdev->dev); pci_dev_put(dma_pdev); if (!group) { diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c index 500e7f15f5c..18a89b760aa 100644 --- a/drivers/iommu/amd_iommu_init.c +++ b/drivers/iommu/amd_iommu_init.c @@ -1111,7 +1111,7 @@ static void print_iommu_info(void) if (iommu->cap & (1 << IOMMU_CAP_EFR)) { pr_info("AMD-Vi: Extended features: "); - for (i = 0; ARRAY_SIZE(feat_str); ++i) { + for (i = 0; i < ARRAY_SIZE(feat_str); ++i) { if (iommu_feature(iommu, (1ULL << i))) pr_cont(" %s", feat_str[i]); } @@ -1131,9 +1131,6 @@ static int __init amd_iommu_init_pci(void) break; } - /* Make sure ACS will be enabled */ - pci_request_acs(); - ret = amd_iommu_init_devices(); print_iommu_info(); @@ -1652,6 +1649,9 @@ static bool detect_ivrs(void) early_acpi_os_unmap_memory((char __iomem *)ivrs_base, ivrs_size); + /* Make sure ACS will be enabled during PCI probe */ + pci_request_acs(); + return true; } diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c index 45350ff5e93..80bad32aa46 100644 --- a/drivers/iommu/exynos-iommu.c +++ b/drivers/iommu/exynos-iommu.c @@ -732,9 +732,9 @@ static int exynos_iommu_domain_init(struct iommu_domain *domain) spin_lock_init(&priv->pgtablelock); INIT_LIST_HEAD(&priv->clients); - dom->geometry.aperture_start = 0; - dom->geometry.aperture_end = ~0UL; - dom->geometry.force_aperture = true; + domain->geometry.aperture_start = 0; + domain->geometry.aperture_end = ~0UL; + domain->geometry.force_aperture = true; domain->priv = priv; return 0; diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 7469b534664..2297ec193eb 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -2008,6 +2008,7 @@ static struct dmar_domain *get_domain_for_dev(struct pci_dev *pdev, int gaw) if (!drhd) { printk(KERN_ERR "IOMMU: can't find DMAR for device %s\n", pci_name(pdev)); + free_domain_mem(domain); return NULL; } iommu = drhd->iommu; @@ -4124,8 +4125,13 @@ static int intel_iommu_add_device(struct device *dev) } else dma_pdev = pci_dev_get(pdev); + /* Account for quirked devices */ swap_pci_ref(&dma_pdev, pci_get_dma_source(dma_pdev)); + /* + * If it's a multifunction device that does not support our + * required ACS flags, add to the same group as function 0. + */ if (dma_pdev->multifunction && !pci_acs_enabled(dma_pdev, REQ_ACS_FLAGS)) swap_pci_ref(&dma_pdev, @@ -4133,14 +4139,28 @@ static int intel_iommu_add_device(struct device *dev) PCI_DEVFN(PCI_SLOT(dma_pdev->devfn), 0))); + /* + * Devices on the root bus go through the iommu. If that's not us, + * find the next upstream device and test ACS up to the root bus. + * Finding the next device may require skipping virtual buses. + */ while (!pci_is_root_bus(dma_pdev->bus)) { - if (pci_acs_path_enabled(dma_pdev->bus->self, - NULL, REQ_ACS_FLAGS)) + struct pci_bus *bus = dma_pdev->bus; + + while (!bus->self) { + if (!pci_is_root_bus(bus)) + bus = bus->parent; + else + goto root_bus; + } + + if (pci_acs_path_enabled(bus->self, NULL, REQ_ACS_FLAGS)) break; - swap_pci_ref(&dma_pdev, pci_dev_get(dma_pdev->bus->self)); + swap_pci_ref(&dma_pdev, pci_dev_get(bus->self)); } +root_bus: group = iommu_group_get(&dma_pdev->dev); pci_dev_put(dma_pdev); if (!group) { diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c index e0b18f3ae9a..af8904de1d4 100644 --- a/drivers/iommu/intel_irq_remapping.c +++ b/drivers/iommu/intel_irq_remapping.c @@ -736,6 +736,7 @@ int __init parse_ioapics_under_ir(void) { struct dmar_drhd_unit *drhd; int ir_supported = 0; + int ioapic_idx; for_each_drhd_unit(drhd) { struct intel_iommu *iommu = drhd->iommu; @@ -748,13 +749,20 @@ int __init parse_ioapics_under_ir(void) } } - if (ir_supported && ir_ioapic_num != nr_ioapics) { - printk(KERN_WARNING - "Not all IO-APIC's listed under remapping hardware\n"); - return -1; + if (!ir_supported) + return 0; + + for (ioapic_idx = 0; ioapic_idx < nr_ioapics; ioapic_idx++) { + int ioapic_id = mpc_ioapic_id(ioapic_idx); + if (!map_ioapic_to_ir(ioapic_id)) { + pr_err(FW_BUG "ioapic %d has no mapping iommu, " + "interrupt remapping will be disabled\n", + ioapic_id); + return -1; + } } - return ir_supported; + return 1; } int __init ir_dev_scope_init(void) diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c index 4ba325ab626..2a4bb36bc68 100644 --- a/drivers/iommu/tegra-smmu.c +++ b/drivers/iommu/tegra-smmu.c @@ -799,14 +799,14 @@ static void smmu_iommu_detach_dev(struct iommu_domain *domain, goto out; } } - dev_err(smmu->dev, "Couldn't find %s\n", dev_name(c->dev)); + dev_err(smmu->dev, "Couldn't find %s\n", dev_name(dev)); out: spin_unlock(&as->client_lock); } static int smmu_iommu_domain_init(struct iommu_domain *domain) { - int i, err = -ENODEV; + int i, err = -EAGAIN; unsigned long flags; struct smmu_as *as; struct smmu_device *smmu = smmu_handle; @@ -814,11 +814,14 @@ static int smmu_iommu_domain_init(struct iommu_domain *domain) /* Look for a free AS with lock held */ for (i = 0; i < smmu->num_as; i++) { as = &smmu->as[i]; - if (!as->pdir_page) { - err = alloc_pdir(as); - if (!err) - goto found; - } + + if (as->pdir_page) + continue; + + err = alloc_pdir(as); + if (!err) + goto found; + if (err != -EAGAIN) break; } diff --git a/drivers/isdn/isdnloop/isdnloop.c b/drivers/isdn/isdnloop/isdnloop.c index 5405ec644db..baf2686aa8e 100644 --- a/drivers/isdn/isdnloop/isdnloop.c +++ b/drivers/isdn/isdnloop/isdnloop.c @@ -16,7 +16,6 @@ #include <linux/sched.h> #include "isdnloop.h" -static char *revision = "$Revision: 1.11.6.7 $"; static char *isdnloop_id = "loop0"; MODULE_DESCRIPTION("ISDN4Linux: Pseudo Driver that simulates an ISDN card"); @@ -1494,17 +1493,6 @@ isdnloop_addcard(char *id1) static int __init isdnloop_init(void) { - char *p; - char rev[10]; - - if ((p = strchr(revision, ':'))) { - strcpy(rev, p + 1); - p = strchr(rev, '$'); - *p = 0; - } else - strcpy(rev, " ??? "); - printk(KERN_NOTICE "isdnloop-ISDN-driver Rev%s\n", rev); - if (isdnloop_id) return (isdnloop_addcard(isdnloop_id)); diff --git a/drivers/isdn/mISDN/layer2.c b/drivers/isdn/mISDN/layer2.c index 0dc8abca140..949cabb88f1 100644 --- a/drivers/isdn/mISDN/layer2.c +++ b/drivers/isdn/mISDN/layer2.c @@ -2222,7 +2222,7 @@ create_l2(struct mISDNchannel *ch, u_int protocol, u_long options, int tei, InitWin(l2); l2->l2m.fsm = &l2fsm; if (test_bit(FLG_LAPB, &l2->flag) || - test_bit(FLG_PTP, &l2->flag) || + test_bit(FLG_FIXED_TEI, &l2->flag) || test_bit(FLG_LAPD_NET, &l2->flag)) l2->l2m.state = ST_L2_4; else diff --git a/drivers/leds/led-triggers.c b/drivers/leds/led-triggers.c index 6157cbbf411..363975b3c92 100644 --- a/drivers/leds/led-triggers.c +++ b/drivers/leds/led-triggers.c @@ -224,7 +224,7 @@ void led_trigger_event(struct led_trigger *trig, struct led_classdev *led_cdev; led_cdev = list_entry(entry, struct led_classdev, trig_list); - led_set_brightness(led_cdev, brightness); + __led_set_brightness(led_cdev, brightness); } read_unlock(&trig->leddev_list_lock); } diff --git a/drivers/leds/leds-lp8788.c b/drivers/leds/leds-lp8788.c index 53bd136f1ef..0ade6ebfc91 100644 --- a/drivers/leds/leds-lp8788.c +++ b/drivers/leds/leds-lp8788.c @@ -63,7 +63,7 @@ static int lp8788_led_init_device(struct lp8788_led *led, /* scale configuration */ addr = LP8788_ISINK_CTRL; mask = 1 << (cfg->num + LP8788_ISINK_SCALE_OFFSET); - val = cfg->scale << cfg->num; + val = cfg->scale << (cfg->num + LP8788_ISINK_SCALE_OFFSET); ret = lp8788_update_bits(led->lp, addr, mask, val); if (ret) return ret; diff --git a/drivers/leds/leds-renesas-tpu.c b/drivers/leds/leds-renesas-tpu.c index 9ee12c28059..771ea067e68 100644 --- a/drivers/leds/leds-renesas-tpu.c +++ b/drivers/leds/leds-renesas-tpu.c @@ -247,7 +247,7 @@ static int __devinit r_tpu_probe(struct platform_device *pdev) if (!cfg) { dev_err(&pdev->dev, "missing platform data\n"); - goto err0; + return -ENODEV; } p = devm_kzalloc(&pdev->dev, sizeof(*p), GFP_KERNEL); diff --git a/drivers/md/md.c b/drivers/md/md.c index fcd098794d3..3f6203a4c7e 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -1108,8 +1108,11 @@ static int super_90_load(struct md_rdev *rdev, struct md_rdev *refdev, int minor ret = 0; } rdev->sectors = rdev->sb_start; - /* Limit to 4TB as metadata cannot record more than that */ - if (rdev->sectors >= (2ULL << 32)) + /* Limit to 4TB as metadata cannot record more than that. + * (not needed for Linear and RAID0 as metadata doesn't + * record this size) + */ + if (rdev->sectors >= (2ULL << 32) && sb->level >= 1) rdev->sectors = (2ULL << 32) - 2; if (rdev->sectors < ((sector_t)sb->size) * 2 && sb->level >= 1) @@ -1400,7 +1403,7 @@ super_90_rdev_size_change(struct md_rdev *rdev, sector_t num_sectors) /* Limit to 4TB as metadata cannot record more than that. * 4TB == 2^32 KB, or 2*2^32 sectors. */ - if (num_sectors >= (2ULL << 32)) + if (num_sectors >= (2ULL << 32) && rdev->mddev->level >= 1) num_sectors = (2ULL << 32) - 2; md_super_write(rdev->mddev, rdev, rdev->sb_start, rdev->sb_size, rdev->sb_page); diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index de5ed6fd880..1c2eb38f3c5 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -659,7 +659,11 @@ static int raid10_mergeable_bvec(struct request_queue *q, max = biovec->bv_len; if (mddev->merge_check_needed) { - struct r10bio r10_bio; + struct { + struct r10bio r10_bio; + struct r10dev devs[conf->copies]; + } on_stack; + struct r10bio *r10_bio = &on_stack.r10_bio; int s; if (conf->reshape_progress != MaxSector) { /* Cannot give any guidance during reshape */ @@ -667,18 +671,18 @@ static int raid10_mergeable_bvec(struct request_queue *q, return biovec->bv_len; return 0; } - r10_bio.sector = sector; - raid10_find_phys(conf, &r10_bio); + r10_bio->sector = sector; + raid10_find_phys(conf, r10_bio); rcu_read_lock(); for (s = 0; s < conf->copies; s++) { - int disk = r10_bio.devs[s].devnum; + int disk = r10_bio->devs[s].devnum; struct md_rdev *rdev = rcu_dereference( conf->mirrors[disk].rdev); if (rdev && !test_bit(Faulty, &rdev->flags)) { struct request_queue *q = bdev_get_queue(rdev->bdev); if (q->merge_bvec_fn) { - bvm->bi_sector = r10_bio.devs[s].addr + bvm->bi_sector = r10_bio->devs[s].addr + rdev->data_offset; bvm->bi_bdev = rdev->bdev; max = min(max, q->merge_bvec_fn( @@ -690,7 +694,7 @@ static int raid10_mergeable_bvec(struct request_queue *q, struct request_queue *q = bdev_get_queue(rdev->bdev); if (q->merge_bvec_fn) { - bvm->bi_sector = r10_bio.devs[s].addr + bvm->bi_sector = r10_bio->devs[s].addr + rdev->data_offset; bvm->bi_bdev = rdev->bdev; max = min(max, q->merge_bvec_fn( @@ -4414,14 +4418,18 @@ static int handle_reshape_read_error(struct mddev *mddev, { /* Use sync reads to get the blocks from somewhere else */ int sectors = r10_bio->sectors; - struct r10bio r10b; struct r10conf *conf = mddev->private; + struct { + struct r10bio r10_bio; + struct r10dev devs[conf->copies]; + } on_stack; + struct r10bio *r10b = &on_stack.r10_bio; int slot = 0; int idx = 0; struct bio_vec *bvec = r10_bio->master_bio->bi_io_vec; - r10b.sector = r10_bio->sector; - __raid10_find_phys(&conf->prev, &r10b); + r10b->sector = r10_bio->sector; + __raid10_find_phys(&conf->prev, r10b); while (sectors) { int s = sectors; @@ -4432,7 +4440,7 @@ static int handle_reshape_read_error(struct mddev *mddev, s = PAGE_SIZE >> 9; while (!success) { - int d = r10b.devs[slot].devnum; + int d = r10b->devs[slot].devnum; struct md_rdev *rdev = conf->mirrors[d].rdev; sector_t addr; if (rdev == NULL || @@ -4440,7 +4448,7 @@ static int handle_reshape_read_error(struct mddev *mddev, !test_bit(In_sync, &rdev->flags)) goto failed; - addr = r10b.devs[slot].addr + idx * PAGE_SIZE; + addr = r10b->devs[slot].addr + idx * PAGE_SIZE; success = sync_page_io(rdev, addr, s << 9, diff --git a/drivers/md/raid10.h b/drivers/md/raid10.h index 007c2c68dd8..1054cf60234 100644 --- a/drivers/md/raid10.h +++ b/drivers/md/raid10.h @@ -110,7 +110,7 @@ struct r10bio { * We choose the number when they are allocated. * We sometimes need an extra bio to write to the replacement. */ - struct { + struct r10dev { struct bio *bio; union { struct bio *repl_bio; /* used for resync and diff --git a/drivers/mfd/asic3.c b/drivers/mfd/asic3.c index 383421bf576..683e18a2332 100644 --- a/drivers/mfd/asic3.c +++ b/drivers/mfd/asic3.c @@ -925,6 +925,7 @@ static int __init asic3_mfd_probe(struct platform_device *pdev, goto out; } + ret = 0; if (pdata->leds) { int i; diff --git a/drivers/mfd/ezx-pcap.c b/drivers/mfd/ezx-pcap.c index 43a76c41cfc..db662e2dcfa 100644 --- a/drivers/mfd/ezx-pcap.c +++ b/drivers/mfd/ezx-pcap.c @@ -202,7 +202,7 @@ static void pcap_isr_work(struct work_struct *work) } local_irq_enable(); ezx_pcap_write(pcap, PCAP_REG_MSR, pcap->msr); - } while (gpio_get_value(irq_to_gpio(pcap->spi->irq))); + } while (gpio_get_value(pdata->gpio)); } static void pcap_irq_handler(unsigned int irq, struct irq_desc *desc) diff --git a/drivers/misc/mei/interrupt.c b/drivers/misc/mei/interrupt.c index c6ffbbe5a6c..d78c05e693f 100644 --- a/drivers/misc/mei/interrupt.c +++ b/drivers/misc/mei/interrupt.c @@ -1253,7 +1253,7 @@ static int mei_irq_thread_write_handler(struct mei_io_list *cmpl_list, if (dev->wd_timeout) *slots -= mei_data2slots(MEI_START_WD_DATA_SIZE); else - *slots -= mei_data2slots(MEI_START_WD_DATA_SIZE); + *slots -= mei_data2slots(MEI_WD_PARAMS_SIZE); } } if (dev->stop) diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c index 09233020886..7422c765284 100644 --- a/drivers/misc/mei/main.c +++ b/drivers/misc/mei/main.c @@ -925,6 +925,27 @@ static struct miscdevice mei_misc_device = { }; /** + * mei_quirk_probe - probe for devices that doesn't valid ME interface + * @pdev: PCI device structure + * @ent: entry into pci_device_table + * + * returns true if ME Interface is valid, false otherwise + */ +static bool __devinit mei_quirk_probe(struct pci_dev *pdev, + const struct pci_device_id *ent) +{ + u32 reg; + if (ent->device == MEI_DEV_ID_PBG_1) { + pci_read_config_dword(pdev, 0x48, ®); + /* make sure that bit 9 is up and bit 10 is down */ + if ((reg & 0x600) == 0x200) { + dev_info(&pdev->dev, "Device doesn't have valid ME Interface\n"); + return false; + } + } + return true; +} +/** * mei_probe - Device Initialization Routine * * @pdev: PCI device structure @@ -939,6 +960,12 @@ static int __devinit mei_probe(struct pci_dev *pdev, int err; mutex_lock(&mei_mutex); + + if (!mei_quirk_probe(pdev, ent)) { + err = -ENODEV; + goto end; + } + if (mei_device) { err = -EEXIST; goto end; diff --git a/drivers/misc/ti-st/st_ll.c b/drivers/misc/ti-st/st_ll.c index 1ff460a8e9c..93b4d67cc4a 100644 --- a/drivers/misc/ti-st/st_ll.c +++ b/drivers/misc/ti-st/st_ll.c @@ -87,7 +87,7 @@ static void ll_device_want_to_wakeup(struct st_data_s *st_data) /* communicate to platform about chip wakeup */ kim_data = st_data->kim_data; pdata = kim_data->kim_pdev->dev.platform_data; - if (pdata->chip_asleep) + if (pdata->chip_awake) pdata->chip_awake(NULL); } diff --git a/drivers/mtd/maps/uclinux.c b/drivers/mtd/maps/uclinux.c index cfff454f628..c3bb304eca0 100644 --- a/drivers/mtd/maps/uclinux.c +++ b/drivers/mtd/maps/uclinux.c @@ -19,14 +19,13 @@ #include <linux/mtd/map.h> #include <linux/mtd/partitions.h> #include <asm/io.h> +#include <asm/sections.h> /****************************************************************************/ -extern char _ebss; - struct map_info uclinux_ram_map = { .name = "RAM", - .phys = (unsigned long)&_ebss, + .phys = (unsigned long)__bss_stop, .size = 0, }; diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig index 31bb7e5b504..8ca417614c5 100644 --- a/drivers/mtd/nand/Kconfig +++ b/drivers/mtd/nand/Kconfig @@ -480,7 +480,7 @@ config MTD_NAND_NANDSIM config MTD_NAND_GPMI_NAND bool "GPMI NAND Flash Controller driver" - depends on MTD_NAND && (SOC_IMX23 || SOC_IMX28 || SOC_IMX6Q) + depends on MTD_NAND && MXS_DMA help Enables NAND Flash support for IMX23 or IMX28. The GPMI controller is very powerful, with the help of BCH diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c index e9309b3659e..ac4fd756eda 100644 --- a/drivers/mtd/nand/omap2.c +++ b/drivers/mtd/nand/omap2.c @@ -1245,7 +1245,6 @@ static int __devinit omap_nand_probe(struct platform_device *pdev) goto out_release_mem_region; } else { struct dma_slave_config cfg; - int rc; memset(&cfg, 0, sizeof(cfg)); cfg.src_addr = info->phys_base; @@ -1254,10 +1253,10 @@ static int __devinit omap_nand_probe(struct platform_device *pdev) cfg.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; cfg.src_maxburst = 16; cfg.dst_maxburst = 16; - rc = dmaengine_slave_config(info->dma, &cfg); - if (rc) { + err = dmaengine_slave_config(info->dma, &cfg); + if (err) { dev_err(&pdev->dev, "DMA engine slave config failed: %d\n", - rc); + err); goto out_release_mem_region; } info->nand.read_buf = omap_read_buf_dma_pref; diff --git a/drivers/net/appletalk/cops.c b/drivers/net/appletalk/cops.c index 545c09ed907..cff6f023c03 100644 --- a/drivers/net/appletalk/cops.c +++ b/drivers/net/appletalk/cops.c @@ -996,9 +996,7 @@ static int __init cops_module_init(void) printk(KERN_WARNING "%s: You shouldn't autoprobe with insmod\n", cardname); cops_dev = cops_probe(-1); - if (IS_ERR(cops_dev)) - return PTR_ERR(cops_dev); - return 0; + return PTR_RET(cops_dev); } static void __exit cops_module_exit(void) diff --git a/drivers/net/appletalk/ltpc.c b/drivers/net/appletalk/ltpc.c index 0910dce3996..b5782cdf0bc 100644 --- a/drivers/net/appletalk/ltpc.c +++ b/drivers/net/appletalk/ltpc.c @@ -1243,9 +1243,7 @@ static int __init ltpc_module_init(void) "ltpc: Autoprobing is not recommended for modules\n"); dev_ltpc = ltpc_probe(); - if (IS_ERR(dev_ltpc)) - return PTR_ERR(dev_ltpc); - return 0; + return PTR_RET(dev_ltpc); } module_init(ltpc_module_init); #endif diff --git a/drivers/net/cris/eth_v10.c b/drivers/net/cris/eth_v10.c index f0c8bd54ce2..021d69c5d9b 100644 --- a/drivers/net/cris/eth_v10.c +++ b/drivers/net/cris/eth_v10.c @@ -1712,7 +1712,7 @@ e100_set_network_leds(int active) static void e100_netpoll(struct net_device* netdev) { - e100rxtx_interrupt(NETWORK_DMA_TX_IRQ_NBR, netdev, NULL); + e100rxtx_interrupt(NETWORK_DMA_TX_IRQ_NBR, netdev); } #endif diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h index 77bcd4cb4ff..463b9ec57d8 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h @@ -1278,7 +1278,7 @@ struct bnx2x { #define BNX2X_FW_RX_ALIGN_START (1UL << BNX2X_RX_ALIGN_SHIFT) #define BNX2X_FW_RX_ALIGN_END \ - max(1UL << BNX2X_RX_ALIGN_SHIFT, \ + max_t(u64, 1UL << BNX2X_RX_ALIGN_SHIFT, \ SKB_DATA_ALIGN(sizeof(struct skb_shared_info))) #define BNX2X_PXP_DRAM_ALIGN (BNX2X_RX_ALIGN_SHIFT - 5) diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index dd451c3dd83..02b5a343b19 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -4041,20 +4041,6 @@ static bool bnx2x_get_load_status(struct bnx2x *bp, int engine) return val != 0; } -/* - * Reset the load status for the current engine. - */ -static void bnx2x_clear_load_status(struct bnx2x *bp) -{ - u32 val; - u32 mask = (BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK : - BNX2X_PATH0_LOAD_CNT_MASK); - bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG); - val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG); - REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val & (~mask)); - bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG); -} - static void _print_next_block(int idx, const char *blk) { pr_cont("%s%s", idx ? ", " : "", blk); @@ -9384,32 +9370,24 @@ static int __devinit bnx2x_prev_mark_path(struct bnx2x *bp) return rc; } -static bool __devinit bnx2x_can_flr(struct bnx2x *bp) -{ - int pos; - u32 cap; - struct pci_dev *dev = bp->pdev; - - pos = pci_pcie_cap(dev); - if (!pos) - return false; - - pci_read_config_dword(dev, pos + PCI_EXP_DEVCAP, &cap); - if (!(cap & PCI_EXP_DEVCAP_FLR)) - return false; - - return true; -} - static int __devinit bnx2x_do_flr(struct bnx2x *bp) { int i, pos; u16 status; struct pci_dev *dev = bp->pdev; - /* probe the capability first */ - if (bnx2x_can_flr(bp)) - return -ENOTTY; + + if (CHIP_IS_E1x(bp)) { + BNX2X_DEV_INFO("FLR not supported in E1/E1H\n"); + return -EINVAL; + } + + /* only bootcode REQ_BC_VER_4_INITIATE_FLR and onwards support flr */ + if (bp->common.bc_ver < REQ_BC_VER_4_INITIATE_FLR) { + BNX2X_ERR("FLR not supported by BC_VER: 0x%x\n", + bp->common.bc_ver); + return -EINVAL; + } pos = pci_pcie_cap(dev); if (!pos) @@ -9429,12 +9407,8 @@ static int __devinit bnx2x_do_flr(struct bnx2x *bp) "transaction is not cleared; proceeding with reset anyway\n"); clear: - if (bp->common.bc_ver < REQ_BC_VER_4_INITIATE_FLR) { - BNX2X_ERR("FLR not supported by BC_VER: 0x%x\n", - bp->common.bc_ver); - return -EINVAL; - } + BNX2X_DEV_INFO("Initiating FLR\n"); bnx2x_fw_command(bp, DRV_MSG_CODE_INITIATE_FLR, 0); return 0; @@ -9454,8 +9428,21 @@ static int __devinit bnx2x_prev_unload_uncommon(struct bnx2x *bp) * the one required, then FLR will be sufficient to clean any residue * left by previous driver */ - if (bnx2x_test_firmware_version(bp, false) && bnx2x_can_flr(bp)) - return bnx2x_do_flr(bp); + rc = bnx2x_test_firmware_version(bp, false); + + if (!rc) { + /* fw version is good */ + BNX2X_DEV_INFO("FW version matches our own. Attempting FLR\n"); + rc = bnx2x_do_flr(bp); + } + + if (!rc) { + /* FLR was performed */ + BNX2X_DEV_INFO("FLR successful\n"); + return 0; + } + + BNX2X_DEV_INFO("Could not FLR\n"); /* Close the MCP request, return failure*/ rc = bnx2x_prev_mcp_done(bp); @@ -11427,9 +11414,6 @@ static int __devinit bnx2x_init_dev(struct pci_dev *pdev, if (!chip_is_e1x) REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1); - /* Reset the load counter */ - bnx2x_clear_load_status(bp); - dev->watchdog_timeo = TX_TIMEOUT; dev->netdev_ops = &bnx2x_netdev_ops; diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c index 734fd87cd99..62f754bd0df 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c @@ -2485,6 +2485,7 @@ static int bnx2x_mcast_enqueue_cmd(struct bnx2x *bp, break; default: + kfree(new_cmd); BNX2X_ERR("Unknown command: %d\n", cmd); return -EINVAL; } diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index c60de89b666..90a903d83d8 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -1948,7 +1948,7 @@ static int be_rx_cqs_create(struct be_adapter *adapter) if (adapter->num_rx_qs != MAX_RX_QS) dev_info(&adapter->pdev->dev, - "Created only %d receive queues", adapter->num_rx_qs); + "Created only %d receive queues\n", adapter->num_rx_qs); return 0; } diff --git a/drivers/net/ethernet/intel/e1000e/82571.c b/drivers/net/ethernet/intel/e1000e/82571.c index 0b3bade957f..080c89093fe 100644 --- a/drivers/net/ethernet/intel/e1000e/82571.c +++ b/drivers/net/ethernet/intel/e1000e/82571.c @@ -999,7 +999,7 @@ static s32 e1000_set_d0_lplu_state_82571(struct e1000_hw *hw, bool active) **/ static s32 e1000_reset_hw_82571(struct e1000_hw *hw) { - u32 ctrl, ctrl_ext, eecd; + u32 ctrl, ctrl_ext, eecd, tctl; s32 ret_val; /* @@ -1014,7 +1014,9 @@ static s32 e1000_reset_hw_82571(struct e1000_hw *hw) ew32(IMC, 0xffffffff); ew32(RCTL, 0); - ew32(TCTL, E1000_TCTL_PSP); + tctl = er32(TCTL); + tctl &= ~E1000_TCTL_EN; + ew32(TCTL, tctl); e1e_flush(); usleep_range(10000, 20000); @@ -1601,10 +1603,8 @@ static s32 e1000_check_for_serdes_link_82571(struct e1000_hw *hw) * auto-negotiation in the TXCW register and disable * forced link in the Device Control register in an * attempt to auto-negotiate with our link partner. - * If the partner code word is null, stop forcing - * and restart auto negotiation. */ - if ((rxcw & E1000_RXCW_C) || !(rxcw & E1000_RXCW_CW)) { + if (rxcw & E1000_RXCW_C) { /* Enable autoneg, and unforce link up */ ew32(TXCW, mac->txcw); ew32(CTRL, (ctrl & ~E1000_CTRL_SLU)); diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index 95b245310f1..46c3b1f9ff8 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -178,6 +178,24 @@ static void e1000_regdump(struct e1000_hw *hw, struct e1000_reg_info *reginfo) pr_info("%-15s %08x %08x\n", rname, regs[0], regs[1]); } +static void e1000e_dump_ps_pages(struct e1000_adapter *adapter, + struct e1000_buffer *bi) +{ + int i; + struct e1000_ps_page *ps_page; + + for (i = 0; i < adapter->rx_ps_pages; i++) { + ps_page = &bi->ps_pages[i]; + + if (ps_page->page) { + pr_info("packet dump for ps_page %d:\n", i); + print_hex_dump(KERN_INFO, "", DUMP_PREFIX_ADDRESS, + 16, 1, page_address(ps_page->page), + PAGE_SIZE, true); + } + } +} + /* * e1000e_dump - Print registers, Tx-ring and Rx-ring */ @@ -299,10 +317,10 @@ static void e1000e_dump(struct e1000_adapter *adapter) (unsigned long long)buffer_info->time_stamp, buffer_info->skb, next_desc); - if (netif_msg_pktdata(adapter) && buffer_info->dma != 0) + if (netif_msg_pktdata(adapter) && buffer_info->skb) print_hex_dump(KERN_INFO, "", DUMP_PREFIX_ADDRESS, - 16, 1, phys_to_virt(buffer_info->dma), - buffer_info->length, true); + 16, 1, buffer_info->skb->data, + buffer_info->skb->len, true); } /* Print Rx Ring Summary */ @@ -381,10 +399,8 @@ rx_ring_summary: buffer_info->skb, next_desc); if (netif_msg_pktdata(adapter)) - print_hex_dump(KERN_INFO, "", - DUMP_PREFIX_ADDRESS, 16, 1, - phys_to_virt(buffer_info->dma), - adapter->rx_ps_bsize0, true); + e1000e_dump_ps_pages(adapter, + buffer_info); } } break; @@ -444,12 +460,12 @@ rx_ring_summary: (unsigned long long)buffer_info->dma, buffer_info->skb, next_desc); - if (netif_msg_pktdata(adapter)) + if (netif_msg_pktdata(adapter) && + buffer_info->skb) print_hex_dump(KERN_INFO, "", DUMP_PREFIX_ADDRESS, 16, 1, - phys_to_virt - (buffer_info->dma), + buffer_info->skb->data, adapter->rx_buffer_len, true); } diff --git a/drivers/net/ethernet/intel/igb/e1000_82575.c b/drivers/net/ethernet/intel/igb/e1000_82575.c index 5e84eaac48c..ba994fb4cec 100644 --- a/drivers/net/ethernet/intel/igb/e1000_82575.c +++ b/drivers/net/ethernet/intel/igb/e1000_82575.c @@ -254,6 +254,14 @@ static s32 igb_get_invariants_82575(struct e1000_hw *hw) */ size += NVM_WORD_SIZE_BASE_SHIFT; + /* + * Check for invalid size + */ + if ((hw->mac.type == e1000_82576) && (size > 15)) { + pr_notice("The NVM size is not valid, defaulting to 32K\n"); + size = 15; + } + nvm->word_size = 1 << size; if (hw->mac.type < e1000_i210) { nvm->opcode_bits = 8; @@ -281,14 +289,6 @@ static s32 igb_get_invariants_82575(struct e1000_hw *hw) } else nvm->type = e1000_nvm_flash_hw; - /* - * Check for invalid size - */ - if ((hw->mac.type == e1000_82576) && (size > 15)) { - pr_notice("The NVM size is not valid, defaulting to 32K\n"); - size = 15; - } - /* NVM Function Pointers */ switch (hw->mac.type) { case e1000_82580: diff --git a/drivers/net/ethernet/intel/igb/e1000_regs.h b/drivers/net/ethernet/intel/igb/e1000_regs.h index 10efcd88dca..28394bea525 100644 --- a/drivers/net/ethernet/intel/igb/e1000_regs.h +++ b/drivers/net/ethernet/intel/igb/e1000_regs.h @@ -156,8 +156,12 @@ : (0x0E018 + ((_n) * 0x40))) #define E1000_TXDCTL(_n) ((_n) < 4 ? (0x03828 + ((_n) * 0x100)) \ : (0x0E028 + ((_n) * 0x40))) -#define E1000_DCA_TXCTRL(_n) (0x03814 + (_n << 8)) -#define E1000_DCA_RXCTRL(_n) (0x02814 + (_n << 8)) +#define E1000_RXCTL(_n) ((_n) < 4 ? (0x02814 + ((_n) * 0x100)) : \ + (0x0C014 + ((_n) * 0x40))) +#define E1000_DCA_RXCTRL(_n) E1000_RXCTL(_n) +#define E1000_TXCTL(_n) ((_n) < 4 ? (0x03814 + ((_n) * 0x100)) : \ + (0x0E014 + ((_n) * 0x40))) +#define E1000_DCA_TXCTRL(_n) E1000_TXCTL(_n) #define E1000_TDWBAL(_n) ((_n) < 4 ? (0x03838 + ((_n) * 0x100)) \ : (0x0E038 + ((_n) * 0x40))) #define E1000_TDWBAH(_n) ((_n) < 4 ? (0x0383C + ((_n) * 0x100)) \ diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c index a19c84cad0e..70591117051 100644 --- a/drivers/net/ethernet/intel/igb/igb_ethtool.c +++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c @@ -209,8 +209,8 @@ static int igb_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) /* When SoL/IDER sessions are active, autoneg/speed/duplex * cannot be changed */ if (igb_check_reset_block(hw)) { - dev_err(&adapter->pdev->dev, "Cannot change link " - "characteristics when SoL/IDER is active.\n"); + dev_err(&adapter->pdev->dev, + "Cannot change link characteristics when SoL/IDER is active.\n"); return -EINVAL; } @@ -1089,8 +1089,8 @@ static bool reg_pattern_test(struct igb_adapter *adapter, u64 *data, wr32(reg, (_test[pat] & write)); val = rd32(reg) & mask; if (val != (_test[pat] & write & mask)) { - dev_err(&adapter->pdev->dev, "pattern test reg %04X " - "failed: got 0x%08X expected 0x%08X\n", + dev_err(&adapter->pdev->dev, + "pattern test reg %04X failed: got 0x%08X expected 0x%08X\n", reg, val, (_test[pat] & write & mask)); *data = reg; return 1; @@ -1108,8 +1108,8 @@ static bool reg_set_and_check(struct igb_adapter *adapter, u64 *data, wr32(reg, write & mask); val = rd32(reg); if ((write & mask) != (val & mask)) { - dev_err(&adapter->pdev->dev, "set/check reg %04X test failed:" - " got 0x%08X expected 0x%08X\n", reg, + dev_err(&adapter->pdev->dev, + "set/check reg %04X test failed: got 0x%08X expected 0x%08X\n", reg, (val & mask), (write & mask)); *data = reg; return 1; @@ -1171,8 +1171,9 @@ static int igb_reg_test(struct igb_adapter *adapter, u64 *data) wr32(E1000_STATUS, toggle); after = rd32(E1000_STATUS) & toggle; if (value != after) { - dev_err(&adapter->pdev->dev, "failed STATUS register test " - "got: 0x%08X expected: 0x%08X\n", after, value); + dev_err(&adapter->pdev->dev, + "failed STATUS register test got: 0x%08X expected: 0x%08X\n", + after, value); *data = 1; return 1; } @@ -1497,6 +1498,9 @@ static int igb_integrated_phy_loopback(struct igb_adapter *adapter) break; } + /* add small delay to avoid loopback test failure */ + msleep(50); + /* force 1000, set loopback */ igb_write_phy_reg(hw, PHY_CONTROL, 0x4140); @@ -1777,16 +1781,14 @@ static int igb_loopback_test(struct igb_adapter *adapter, u64 *data) * sessions are active */ if (igb_check_reset_block(&adapter->hw)) { dev_err(&adapter->pdev->dev, - "Cannot do PHY loopback test " - "when SoL/IDER is active.\n"); + "Cannot do PHY loopback test when SoL/IDER is active.\n"); *data = 0; goto out; } if ((adapter->hw.mac.type == e1000_i210) - || (adapter->hw.mac.type == e1000_i210)) { + || (adapter->hw.mac.type == e1000_i211)) { dev_err(&adapter->pdev->dev, - "Loopback test not supported " - "on this part at this time.\n"); + "Loopback test not supported on this part at this time.\n"); *data = 0; goto out; } diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index b7c2d505057..48cc4fb1a30 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -462,10 +462,10 @@ static void igb_dump(struct igb_adapter *adapter) (u64)buffer_info->time_stamp, buffer_info->skb, next_desc); - if (netif_msg_pktdata(adapter) && buffer_info->dma != 0) + if (netif_msg_pktdata(adapter) && buffer_info->skb) print_hex_dump(KERN_INFO, "", DUMP_PREFIX_ADDRESS, - 16, 1, phys_to_virt(buffer_info->dma), + 16, 1, buffer_info->skb->data, buffer_info->length, true); } } @@ -547,18 +547,17 @@ rx_ring_summary: (u64)buffer_info->dma, buffer_info->skb, next_desc); - if (netif_msg_pktdata(adapter)) { + if (netif_msg_pktdata(adapter) && + buffer_info->dma && buffer_info->skb) { print_hex_dump(KERN_INFO, "", - DUMP_PREFIX_ADDRESS, - 16, 1, - phys_to_virt(buffer_info->dma), - IGB_RX_HDR_LEN, true); + DUMP_PREFIX_ADDRESS, + 16, 1, buffer_info->skb->data, + IGB_RX_HDR_LEN, true); print_hex_dump(KERN_INFO, "", DUMP_PREFIX_ADDRESS, 16, 1, - phys_to_virt( - buffer_info->page_dma + - buffer_info->page_offset), + page_address(buffer_info->page) + + buffer_info->page_offset, PAGE_SIZE/2, true); } } diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c index 50fc137501d..18bf08c9d7a 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c @@ -804,12 +804,13 @@ static s32 ixgbe_setup_mac_link_82599(struct ixgbe_hw *hw, link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR_SGMII) { /* Set KX4/KX/KR support according to speed requested */ autoc &= ~(IXGBE_AUTOC_KX4_KX_SUPP_MASK | IXGBE_AUTOC_KR_SUPP); - if (speed & IXGBE_LINK_SPEED_10GB_FULL) + if (speed & IXGBE_LINK_SPEED_10GB_FULL) { if (orig_autoc & IXGBE_AUTOC_KX4_SUPP) autoc |= IXGBE_AUTOC_KX4_SUPP; if ((orig_autoc & IXGBE_AUTOC_KR_SUPP) && (hw->phy.smart_speed_active == false)) autoc |= IXGBE_AUTOC_KR_SUPP; + } if (speed & IXGBE_LINK_SPEED_1GB_FULL) autoc |= IXGBE_AUTOC_KX_SUPP; } else if ((pma_pmd_1g == IXGBE_AUTOC_1G_SFI) && diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c index f32e7030077..5aba5ecdf1e 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c @@ -614,8 +614,8 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int bud /* If source MAC is equal to our own MAC and not performing * the selftest or flb disabled - drop the packet */ if (s_mac == priv->mac && - (!(dev->features & NETIF_F_LOOPBACK) || - !priv->validate_loopback)) + !((dev->features & NETIF_F_LOOPBACK) || + priv->validate_loopback)) goto next; /* diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c index 019d856b133..10bba09c44e 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c @@ -164,7 +164,6 @@ int mlx4_en_activate_tx_ring(struct mlx4_en_priv *priv, ring->cons = 0xffffffff; ring->last_nr_txbb = 1; ring->poll_cnt = 0; - ring->blocked = 0; memset(ring->tx_info, 0, ring->size * sizeof(struct mlx4_en_tx_info)); memset(ring->buf, 0, ring->buf_size); @@ -365,14 +364,13 @@ static void mlx4_en_process_tx_cq(struct net_device *dev, struct mlx4_en_cq *cq) ring->cons += txbbs_skipped; netdev_tx_completed_queue(ring->tx_queue, packets, bytes); - /* Wakeup Tx queue if this ring stopped it */ - if (unlikely(ring->blocked)) { - if ((u32) (ring->prod - ring->cons) <= - ring->size - HEADROOM - MAX_DESC_TXBBS) { - ring->blocked = 0; - netif_tx_wake_queue(ring->tx_queue); - priv->port_stats.wake_queue++; - } + /* + * Wakeup Tx queue if this stopped, and at least 1 packet + * was completed + */ + if (netif_tx_queue_stopped(ring->tx_queue) && txbbs_skipped > 0) { + netif_tx_wake_queue(ring->tx_queue); + priv->port_stats.wake_queue++; } } @@ -592,7 +590,6 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev) ring->size - HEADROOM - MAX_DESC_TXBBS)) { /* every full Tx ring stops queue */ netif_tx_stop_queue(ring->tx_queue); - ring->blocked = 1; priv->port_stats.queue_stopped++; return NETDEV_TX_BUSY; diff --git a/drivers/net/ethernet/mellanox/mlx4/icm.c b/drivers/net/ethernet/mellanox/mlx4/icm.c index 88b7b3e75ab..daf41792366 100644 --- a/drivers/net/ethernet/mellanox/mlx4/icm.c +++ b/drivers/net/ethernet/mellanox/mlx4/icm.c @@ -358,13 +358,14 @@ void mlx4_table_put_range(struct mlx4_dev *dev, struct mlx4_icm_table *table, } int mlx4_init_icm_table(struct mlx4_dev *dev, struct mlx4_icm_table *table, - u64 virt, int obj_size, int nobj, int reserved, + u64 virt, int obj_size, u32 nobj, int reserved, int use_lowmem, int use_coherent) { int obj_per_chunk; int num_icm; unsigned chunk_size; int i; + u64 size; obj_per_chunk = MLX4_TABLE_CHUNK_SIZE / obj_size; num_icm = (nobj + obj_per_chunk - 1) / obj_per_chunk; @@ -380,10 +381,12 @@ int mlx4_init_icm_table(struct mlx4_dev *dev, struct mlx4_icm_table *table, table->coherent = use_coherent; mutex_init(&table->mutex); + size = (u64) nobj * obj_size; for (i = 0; i * MLX4_TABLE_CHUNK_SIZE < reserved * obj_size; ++i) { chunk_size = MLX4_TABLE_CHUNK_SIZE; - if ((i + 1) * MLX4_TABLE_CHUNK_SIZE > nobj * obj_size) - chunk_size = PAGE_ALIGN(nobj * obj_size - i * MLX4_TABLE_CHUNK_SIZE); + if ((i + 1) * MLX4_TABLE_CHUNK_SIZE > size) + chunk_size = PAGE_ALIGN(size - + i * MLX4_TABLE_CHUNK_SIZE); table->icm[i] = mlx4_alloc_icm(dev, chunk_size >> PAGE_SHIFT, (use_lowmem ? GFP_KERNEL : GFP_HIGHUSER) | diff --git a/drivers/net/ethernet/mellanox/mlx4/icm.h b/drivers/net/ethernet/mellanox/mlx4/icm.h index 19e4efc0b34..a67744f5350 100644 --- a/drivers/net/ethernet/mellanox/mlx4/icm.h +++ b/drivers/net/ethernet/mellanox/mlx4/icm.h @@ -78,7 +78,7 @@ int mlx4_table_get_range(struct mlx4_dev *dev, struct mlx4_icm_table *table, void mlx4_table_put_range(struct mlx4_dev *dev, struct mlx4_icm_table *table, int start, int end); int mlx4_init_icm_table(struct mlx4_dev *dev, struct mlx4_icm_table *table, - u64 virt, int obj_size, int nobj, int reserved, + u64 virt, int obj_size, u32 nobj, int reserved, int use_lowmem, int use_coherent); void mlx4_cleanup_icm_table(struct mlx4_dev *dev, struct mlx4_icm_table *table); void *mlx4_table_find(struct mlx4_icm_table *table, int obj, dma_addr_t *dma_handle); diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index 48d0e90194c..827b72dfce9 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -157,9 +157,6 @@ int mlx4_check_port_params(struct mlx4_dev *dev, "on this HCA, aborting.\n"); return -EINVAL; } - if (port_type[i] == MLX4_PORT_TYPE_ETH && - port_type[i + 1] == MLX4_PORT_TYPE_IB) - return -EINVAL; } } diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4.h b/drivers/net/ethernet/mellanox/mlx4/mlx4.h index 59ebc033963..4d9df8f2a12 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4.h @@ -249,7 +249,7 @@ struct mlx4_bitmap { struct mlx4_buddy { unsigned long **bits; unsigned int *num_free; - int max_order; + u32 max_order; spinlock_t lock; }; @@ -258,7 +258,7 @@ struct mlx4_icm; struct mlx4_icm_table { u64 virt; int num_icm; - int num_obj; + u32 num_obj; int obj_size; int lowmem; int coherent; diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h index 5f1ab105deb..9d27e42264e 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -248,7 +248,6 @@ struct mlx4_en_tx_ring { u32 doorbell_qpn; void *buf; u16 poll_cnt; - int blocked; struct mlx4_en_tx_info *tx_info; u8 *bounce_buf; u32 last_nr_txbb; diff --git a/drivers/net/ethernet/mellanox/mlx4/mr.c b/drivers/net/ethernet/mellanox/mlx4/mr.c index af55b7ce534..c202d3ad2a0 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mr.c +++ b/drivers/net/ethernet/mellanox/mlx4/mr.c @@ -37,6 +37,7 @@ #include <linux/export.h> #include <linux/slab.h> #include <linux/kernel.h> +#include <linux/vmalloc.h> #include <linux/mlx4/cmd.h> @@ -120,7 +121,7 @@ static int mlx4_buddy_init(struct mlx4_buddy *buddy, int max_order) buddy->max_order = max_order; spin_lock_init(&buddy->lock); - buddy->bits = kzalloc((buddy->max_order + 1) * sizeof (long *), + buddy->bits = kcalloc(buddy->max_order + 1, sizeof (long *), GFP_KERNEL); buddy->num_free = kcalloc((buddy->max_order + 1), sizeof *buddy->num_free, GFP_KERNEL); @@ -129,10 +130,12 @@ static int mlx4_buddy_init(struct mlx4_buddy *buddy, int max_order) for (i = 0; i <= buddy->max_order; ++i) { s = BITS_TO_LONGS(1 << (buddy->max_order - i)); - buddy->bits[i] = kmalloc(s * sizeof (long), GFP_KERNEL); - if (!buddy->bits[i]) - goto err_out_free; - bitmap_zero(buddy->bits[i], 1 << (buddy->max_order - i)); + buddy->bits[i] = kcalloc(s, sizeof (long), GFP_KERNEL | __GFP_NOWARN); + if (!buddy->bits[i]) { + buddy->bits[i] = vzalloc(s * sizeof(long)); + if (!buddy->bits[i]) + goto err_out_free; + } } set_bit(0, buddy->bits[buddy->max_order]); @@ -142,7 +145,10 @@ static int mlx4_buddy_init(struct mlx4_buddy *buddy, int max_order) err_out_free: for (i = 0; i <= buddy->max_order; ++i) - kfree(buddy->bits[i]); + if (buddy->bits[i] && is_vmalloc_addr(buddy->bits[i])) + vfree(buddy->bits[i]); + else + kfree(buddy->bits[i]); err_out: kfree(buddy->bits); @@ -156,7 +162,10 @@ static void mlx4_buddy_cleanup(struct mlx4_buddy *buddy) int i; for (i = 0; i <= buddy->max_order; ++i) - kfree(buddy->bits[i]); + if (is_vmalloc_addr(buddy->bits[i])) + vfree(buddy->bits[i]); + else + kfree(buddy->bits[i]); kfree(buddy->bits); kfree(buddy->num_free); @@ -668,7 +677,7 @@ int mlx4_init_mr_table(struct mlx4_dev *dev) return err; err = mlx4_buddy_init(&mr_table->mtt_buddy, - ilog2(dev->caps.num_mtts / + ilog2((u32)dev->caps.num_mtts / (1 << log_mtts_per_seg))); if (err) goto err_buddy; @@ -678,7 +687,7 @@ int mlx4_init_mr_table(struct mlx4_dev *dev) mlx4_alloc_mtt_range(dev, fls(dev->caps.reserved_mtts - 1)); if (priv->reserved_mtts < 0) { - mlx4_warn(dev, "MTT table of order %d is too small.\n", + mlx4_warn(dev, "MTT table of order %u is too small.\n", mr_table->mtt_buddy.max_order); err = -ENOMEM; goto err_reserve_mtts; diff --git a/drivers/net/ethernet/mellanox/mlx4/profile.c b/drivers/net/ethernet/mellanox/mlx4/profile.c index 9ee4725363d..8e0c3cc2a1e 100644 --- a/drivers/net/ethernet/mellanox/mlx4/profile.c +++ b/drivers/net/ethernet/mellanox/mlx4/profile.c @@ -76,7 +76,7 @@ u64 mlx4_make_profile(struct mlx4_dev *dev, u64 size; u64 start; int type; - int num; + u32 num; int log_num; }; @@ -105,7 +105,7 @@ u64 mlx4_make_profile(struct mlx4_dev *dev, si_meminfo(&si); request->num_mtt = roundup_pow_of_two(max_t(unsigned, request->num_mtt, - min(1UL << 31, + min(1UL << (31 - log_mtts_per_seg), si.totalram >> (log_mtts_per_seg - 1)))); profile[MLX4_RES_QP].size = dev_cap->qpc_entry_sz; diff --git a/drivers/net/ethernet/mellanox/mlx4/sense.c b/drivers/net/ethernet/mellanox/mlx4/sense.c index 80249829352..34ee09bae36 100644 --- a/drivers/net/ethernet/mellanox/mlx4/sense.c +++ b/drivers/net/ethernet/mellanox/mlx4/sense.c @@ -81,20 +81,6 @@ void mlx4_do_sense_ports(struct mlx4_dev *dev, } /* - * Adjust port configuration: - * If port 1 sensed nothing and port 2 is IB, set both as IB - * If port 2 sensed nothing and port 1 is Eth, set both as Eth - */ - if (stype[0] == MLX4_PORT_TYPE_ETH) { - for (i = 1; i < dev->caps.num_ports; i++) - stype[i] = stype[i] ? stype[i] : MLX4_PORT_TYPE_ETH; - } - if (stype[dev->caps.num_ports - 1] == MLX4_PORT_TYPE_IB) { - for (i = 0; i < dev->caps.num_ports - 1; i++) - stype[i] = stype[i] ? stype[i] : MLX4_PORT_TYPE_IB; - } - - /* * If sensed nothing, remain in current configuration. */ for (i = 0; i < dev->caps.num_ports; i++) diff --git a/drivers/net/ethernet/nxp/lpc_eth.c b/drivers/net/ethernet/nxp/lpc_eth.c index 4069edab229..53743f7a2ca 100644 --- a/drivers/net/ethernet/nxp/lpc_eth.c +++ b/drivers/net/ethernet/nxp/lpc_eth.c @@ -346,28 +346,15 @@ static phy_interface_t lpc_phy_interface_mode(struct device *dev) "phy-mode", NULL); if (mode && !strcmp(mode, "mii")) return PHY_INTERFACE_MODE_MII; - return PHY_INTERFACE_MODE_RMII; } - - /* non-DT */ -#ifdef CONFIG_ARCH_LPC32XX_MII_SUPPORT - return PHY_INTERFACE_MODE_MII; -#else return PHY_INTERFACE_MODE_RMII; -#endif } static bool use_iram_for_net(struct device *dev) { if (dev && dev->of_node) return of_property_read_bool(dev->of_node, "use-iram"); - - /* non-DT */ -#ifdef CONFIG_ARCH_LPC32XX_IRAM_FOR_NET - return true; -#else return false; -#endif } /* Receive Status information word */ diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c index 70554a1b2b0..65a8d49106a 100644 --- a/drivers/net/ethernet/sfc/efx.c +++ b/drivers/net/ethernet/sfc/efx.c @@ -1503,6 +1503,11 @@ static int efx_probe_all(struct efx_nic *efx) goto fail2; } + BUILD_BUG_ON(EFX_DEFAULT_DMAQ_SIZE < EFX_RXQ_MIN_ENT); + if (WARN_ON(EFX_DEFAULT_DMAQ_SIZE < EFX_TXQ_MIN_ENT(efx))) { + rc = -EINVAL; + goto fail3; + } efx->rxq_entries = efx->txq_entries = EFX_DEFAULT_DMAQ_SIZE; rc = efx_probe_filters(efx); @@ -2070,6 +2075,7 @@ static int efx_register_netdev(struct efx_nic *efx) net_dev->irq = efx->pci_dev->irq; net_dev->netdev_ops = &efx_netdev_ops; SET_ETHTOOL_OPS(net_dev, &efx_ethtool_ops); + net_dev->gso_max_segs = EFX_TSO_MAX_SEGS; rtnl_lock(); diff --git a/drivers/net/ethernet/sfc/efx.h b/drivers/net/ethernet/sfc/efx.h index be8f9158a71..70755c97251 100644 --- a/drivers/net/ethernet/sfc/efx.h +++ b/drivers/net/ethernet/sfc/efx.h @@ -30,6 +30,7 @@ extern netdev_tx_t efx_enqueue_skb(struct efx_tx_queue *tx_queue, struct sk_buff *skb); extern void efx_xmit_done(struct efx_tx_queue *tx_queue, unsigned int index); extern int efx_setup_tc(struct net_device *net_dev, u8 num_tc); +extern unsigned int efx_tx_max_skb_descs(struct efx_nic *efx); /* RX */ extern int efx_probe_rx_queue(struct efx_rx_queue *rx_queue); @@ -52,10 +53,15 @@ extern void efx_schedule_slow_fill(struct efx_rx_queue *rx_queue); #define EFX_MAX_EVQ_SIZE 16384UL #define EFX_MIN_EVQ_SIZE 512UL -/* The smallest [rt]xq_entries that the driver supports. Callers of - * efx_wake_queue() assume that they can subsequently send at least one - * skb. Falcon/A1 may require up to three descriptors per skb_frag. */ -#define EFX_MIN_RING_SIZE (roundup_pow_of_two(2 * 3 * MAX_SKB_FRAGS)) +/* Maximum number of TCP segments we support for soft-TSO */ +#define EFX_TSO_MAX_SEGS 100 + +/* The smallest [rt]xq_entries that the driver supports. RX minimum + * is a bit arbitrary. For TX, we must have space for at least 2 + * TSO skbs. + */ +#define EFX_RXQ_MIN_ENT 128U +#define EFX_TXQ_MIN_ENT(efx) (2 * efx_tx_max_skb_descs(efx)) /* Filters */ extern int efx_probe_filters(struct efx_nic *efx); diff --git a/drivers/net/ethernet/sfc/ethtool.c b/drivers/net/ethernet/sfc/ethtool.c index 10536f93b56..8cba2df82b1 100644 --- a/drivers/net/ethernet/sfc/ethtool.c +++ b/drivers/net/ethernet/sfc/ethtool.c @@ -680,21 +680,27 @@ static int efx_ethtool_set_ringparam(struct net_device *net_dev, struct ethtool_ringparam *ring) { struct efx_nic *efx = netdev_priv(net_dev); + u32 txq_entries; if (ring->rx_mini_pending || ring->rx_jumbo_pending || ring->rx_pending > EFX_MAX_DMAQ_SIZE || ring->tx_pending > EFX_MAX_DMAQ_SIZE) return -EINVAL; - if (ring->rx_pending < EFX_MIN_RING_SIZE || - ring->tx_pending < EFX_MIN_RING_SIZE) { + if (ring->rx_pending < EFX_RXQ_MIN_ENT) { netif_err(efx, drv, efx->net_dev, - "TX and RX queues cannot be smaller than %ld\n", - EFX_MIN_RING_SIZE); + "RX queues cannot be smaller than %u\n", + EFX_RXQ_MIN_ENT); return -EINVAL; } - return efx_realloc_channels(efx, ring->rx_pending, ring->tx_pending); + txq_entries = max(ring->tx_pending, EFX_TXQ_MIN_ENT(efx)); + if (txq_entries != ring->tx_pending) + netif_warn(efx, drv, efx->net_dev, + "increasing TX queue size to minimum of %u\n", + txq_entries); + + return efx_realloc_channels(efx, ring->rx_pending, txq_entries); } static int efx_ethtool_set_pauseparam(struct net_device *net_dev, diff --git a/drivers/net/ethernet/sfc/tx.c b/drivers/net/ethernet/sfc/tx.c index 9b225a7769f..18713436b44 100644 --- a/drivers/net/ethernet/sfc/tx.c +++ b/drivers/net/ethernet/sfc/tx.c @@ -119,6 +119,25 @@ efx_max_tx_len(struct efx_nic *efx, dma_addr_t dma_addr) return len; } +unsigned int efx_tx_max_skb_descs(struct efx_nic *efx) +{ + /* Header and payload descriptor for each output segment, plus + * one for every input fragment boundary within a segment + */ + unsigned int max_descs = EFX_TSO_MAX_SEGS * 2 + MAX_SKB_FRAGS; + + /* Possibly one more per segment for the alignment workaround */ + if (EFX_WORKAROUND_5391(efx)) + max_descs += EFX_TSO_MAX_SEGS; + + /* Possibly more for PCIe page boundaries within input fragments */ + if (PAGE_SIZE > EFX_PAGE_SIZE) + max_descs += max_t(unsigned int, MAX_SKB_FRAGS, + DIV_ROUND_UP(GSO_MAX_SIZE, EFX_PAGE_SIZE)); + + return max_descs; +} + /* * Add a socket buffer to a TX queue * diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c index cd01ee7ecef..b93245c1199 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c @@ -74,7 +74,7 @@ static int __devinit stmmac_probe_config_dt(struct platform_device *pdev, * the necessary resources and invokes the main to init * the net device, register the mdio bus etc. */ -static int stmmac_pltfr_probe(struct platform_device *pdev) +static int __devinit stmmac_pltfr_probe(struct platform_device *pdev) { int ret = 0; struct resource *res; diff --git a/drivers/net/ethernet/xscale/ixp4xx_eth.c b/drivers/net/ethernet/xscale/ixp4xx_eth.c index 482648fcf0b..98934bdf6ac 100644 --- a/drivers/net/ethernet/xscale/ixp4xx_eth.c +++ b/drivers/net/ethernet/xscale/ixp4xx_eth.c @@ -1003,6 +1003,7 @@ static int ixp4xx_nway_reset(struct net_device *dev) } int ixp46x_phc_index = -1; +EXPORT_SYMBOL_GPL(ixp46x_phc_index); static int ixp4xx_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info) diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c index 6cee2917eb0..4a1a5f58fa7 100644 --- a/drivers/net/hyperv/netvsc.c +++ b/drivers/net/hyperv/netvsc.c @@ -383,13 +383,6 @@ int netvsc_device_remove(struct hv_device *device) unsigned long flags; net_device = hv_get_drvdata(device); - spin_lock_irqsave(&device->channel->inbound_lock, flags); - net_device->destroy = true; - spin_unlock_irqrestore(&device->channel->inbound_lock, flags); - - /* Wait for all send completions */ - wait_event(net_device->wait_drain, - atomic_read(&net_device->num_outstanding_sends) == 0); netvsc_disconnect_vsp(net_device); diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c index e5d6146937f..1e88a109593 100644 --- a/drivers/net/hyperv/rndis_filter.c +++ b/drivers/net/hyperv/rndis_filter.c @@ -718,6 +718,9 @@ static void rndis_filter_halt_device(struct rndis_device *dev) { struct rndis_request *request; struct rndis_halt_request *halt; + struct netvsc_device *nvdev = dev->net_dev; + struct hv_device *hdev = nvdev->dev; + ulong flags; /* Attempt to do a rndis device halt */ request = get_rndis_request(dev, RNDIS_MSG_HALT, @@ -735,6 +738,14 @@ static void rndis_filter_halt_device(struct rndis_device *dev) dev->state = RNDIS_DEV_UNINITIALIZED; cleanup: + spin_lock_irqsave(&hdev->channel->inbound_lock, flags); + nvdev->destroy = true; + spin_unlock_irqrestore(&hdev->channel->inbound_lock, flags); + + /* Wait for all send completions */ + wait_event(nvdev->wait_drain, + atomic_read(&nvdev->num_outstanding_sends) == 0); + if (request) put_rndis_request(dev, request); return; diff --git a/drivers/net/irda/bfin_sir.c b/drivers/net/irda/bfin_sir.c index a561ae44a9a..c6a0299aa9f 100644 --- a/drivers/net/irda/bfin_sir.c +++ b/drivers/net/irda/bfin_sir.c @@ -158,7 +158,7 @@ static int bfin_sir_set_speed(struct bfin_sir_port *port, int speed) /* If not add the 'RPOLC', we can't catch the receive interrupt. * It's related with the HW layout and the IR transiver. */ - val |= IREN | RPOLC; + val |= UMOD_IRDA | RPOLC; UART_PUT_GCTL(port, val); return ret; } @@ -432,7 +432,7 @@ static void bfin_sir_shutdown(struct bfin_sir_port *port, struct net_device *dev bfin_sir_stop_rx(port); val = UART_GET_GCTL(port); - val &= ~(UCEN | IREN | RPOLC); + val &= ~(UCEN | UMOD_MASK | RPOLC); UART_PUT_GCTL(port, val); #ifdef CONFIG_SIR_BFIN_DMA @@ -518,10 +518,10 @@ static void bfin_sir_send_work(struct work_struct *work) * reset all the UART. */ val = UART_GET_GCTL(port); - val &= ~(IREN | RPOLC); + val &= ~(UMOD_MASK | RPOLC); UART_PUT_GCTL(port, val); SSYNC(); - val |= IREN | RPOLC; + val |= UMOD_IRDA | RPOLC; UART_PUT_GCTL(port, val); SSYNC(); /* bfin_sir_set_speed(port, self->speed); */ diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c index 0737bd4d166..0f0f9ce3a77 100644 --- a/drivers/net/macvtap.c +++ b/drivers/net/macvtap.c @@ -94,7 +94,8 @@ static int get_slot(struct macvlan_dev *vlan, struct macvtap_queue *q) int i; for (i = 0; i < MAX_MACVTAP_QUEUES; i++) { - if (rcu_dereference(vlan->taps[i]) == q) + if (rcu_dereference_protected(vlan->taps[i], + lockdep_is_held(&macvtap_lock)) == q) return i; } diff --git a/drivers/net/phy/mdio-mux-gpio.c b/drivers/net/phy/mdio-mux-gpio.c index e0cc4ef33de..eefe49e8713 100644 --- a/drivers/net/phy/mdio-mux-gpio.c +++ b/drivers/net/phy/mdio-mux-gpio.c @@ -101,7 +101,6 @@ err: n--; gpio_free(s->gpio[n]); } - devm_kfree(&pdev->dev, s); return r; } diff --git a/drivers/net/ppp/pptp.c b/drivers/net/ppp/pptp.c index 1c98321b56c..162464fe86b 100644 --- a/drivers/net/ppp/pptp.c +++ b/drivers/net/ppp/pptp.c @@ -189,7 +189,7 @@ static int pptp_xmit(struct ppp_channel *chan, struct sk_buff *skb) if (sk_pppox(po)->sk_state & PPPOX_DEAD) goto tx_error; - rt = ip_route_output_ports(&init_net, &fl4, NULL, + rt = ip_route_output_ports(sock_net(sk), &fl4, NULL, opt->dst_addr.sin_addr.s_addr, opt->src_addr.sin_addr.s_addr, 0, 0, IPPROTO_GRE, @@ -468,7 +468,7 @@ static int pptp_connect(struct socket *sock, struct sockaddr *uservaddr, po->chan.private = sk; po->chan.ops = &pptp_chan_ops; - rt = ip_route_output_ports(&init_net, &fl4, sk, + rt = ip_route_output_ports(sock_net(sk), &fl4, sk, opt->dst_addr.sin_addr.s_addr, opt->src_addr.sin_addr.s_addr, 0, 0, diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 926d4db5cb3..3a16d4fdaa0 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -187,7 +187,6 @@ static void __tun_detach(struct tun_struct *tun) netif_tx_lock_bh(tun->dev); netif_carrier_off(tun->dev); tun->tfile = NULL; - tun->socket.file = NULL; netif_tx_unlock_bh(tun->dev); /* Drop read queue */ diff --git a/drivers/net/usb/cdc-phonet.c b/drivers/net/usb/cdc-phonet.c index 64610048ce8..7d78669000d 100644 --- a/drivers/net/usb/cdc-phonet.c +++ b/drivers/net/usb/cdc-phonet.c @@ -232,6 +232,7 @@ static int usbpn_open(struct net_device *dev) struct urb *req = usb_alloc_urb(0, GFP_KERNEL); if (!req || rx_submit(pnd, req, GFP_KERNEL | __GFP_COLD)) { + usb_free_urb(req); usbpn_close(dev); return -ENOMEM; } diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index f4ce5957df3..4cd582a4f62 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -1225,6 +1225,26 @@ static const struct usb_device_id cdc_devs[] = { .driver_info = (unsigned long) &wwan_info, }, + /* Dell branded MBM devices like DW5550 */ + { .match_flags = USB_DEVICE_ID_MATCH_INT_INFO + | USB_DEVICE_ID_MATCH_VENDOR, + .idVendor = 0x413c, + .bInterfaceClass = USB_CLASS_COMM, + .bInterfaceSubClass = USB_CDC_SUBCLASS_NCM, + .bInterfaceProtocol = USB_CDC_PROTO_NONE, + .driver_info = (unsigned long) &wwan_info, + }, + + /* Toshiba branded MBM devices */ + { .match_flags = USB_DEVICE_ID_MATCH_INT_INFO + | USB_DEVICE_ID_MATCH_VENDOR, + .idVendor = 0x0930, + .bInterfaceClass = USB_CLASS_COMM, + .bInterfaceSubClass = USB_CDC_SUBCLASS_NCM, + .bInterfaceProtocol = USB_CDC_PROTO_NONE, + .driver_info = (unsigned long) &wwan_info, + }, + /* Generic CDC-NCM devices */ { USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_NCM, USB_CDC_PROTO_NONE), diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index cfa91ab7acf..60b6a9daff7 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -730,6 +730,7 @@ int ath9k_hw_init(struct ath_hw *ah) case AR9300_DEVID_QCA955X: case AR9300_DEVID_AR9580: case AR9300_DEVID_AR9462: + case AR9485_DEVID_AR1111: break; default: if (common->bus_ops->ath_bus_type == ATH_USB) diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h index dd0c146d81d..ce7332c64ef 100644 --- a/drivers/net/wireless/ath/ath9k/hw.h +++ b/drivers/net/wireless/ath/ath9k/hw.h @@ -49,6 +49,7 @@ #define AR9300_DEVID_AR9462 0x0034 #define AR9300_DEVID_AR9330 0x0035 #define AR9300_DEVID_QCA955X 0x0038 +#define AR9485_DEVID_AR1111 0x0037 #define AR5416_AR9100_DEVID 0x000b diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c index 87b89d55e63..d455de9162e 100644 --- a/drivers/net/wireless/ath/ath9k/pci.c +++ b/drivers/net/wireless/ath/ath9k/pci.c @@ -37,6 +37,7 @@ static DEFINE_PCI_DEVICE_TABLE(ath_pci_id_table) = { { PCI_VDEVICE(ATHEROS, 0x0032) }, /* PCI-E AR9485 */ { PCI_VDEVICE(ATHEROS, 0x0033) }, /* PCI-E AR9580 */ { PCI_VDEVICE(ATHEROS, 0x0034) }, /* PCI-E AR9462 */ + { PCI_VDEVICE(ATHEROS, 0x0037) }, /* PCI-E AR1111/AR9485 */ { 0 } }; diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c index b80352b308d..a140165dfee 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -2719,32 +2719,37 @@ static int b43_gpio_init(struct b43_wldev *dev) if (dev->dev->chip_id == 0x4301) { mask |= 0x0060; set |= 0x0060; + } else if (dev->dev->chip_id == 0x5354) { + /* Don't allow overtaking buttons GPIOs */ + set &= 0x2; /* 0x2 is LED GPIO on BCM5354 */ } - if (dev->dev->chip_id == 0x5354) - set &= 0xff02; + if (0 /* FIXME: conditional unknown */ ) { b43_write16(dev, B43_MMIO_GPIO_MASK, b43_read16(dev, B43_MMIO_GPIO_MASK) | 0x0100); - mask |= 0x0180; - set |= 0x0180; + /* BT Coexistance Input */ + mask |= 0x0080; + set |= 0x0080; + /* BT Coexistance Out */ + mask |= 0x0100; + set |= 0x0100; } if (dev->dev->bus_sprom->boardflags_lo & B43_BFL_PACTRL) { + /* PA is controlled by gpio 9, let ucode handle it */ b43_write16(dev, B43_MMIO_GPIO_MASK, b43_read16(dev, B43_MMIO_GPIO_MASK) | 0x0200); mask |= 0x0200; set |= 0x0200; } - if (dev->dev->core_rev >= 2) - mask |= 0x0010; /* FIXME: This is redundant. */ switch (dev->dev->bus_type) { #ifdef CONFIG_B43_BCMA case B43_BUS_BCMA: bcma_cc_write32(&dev->dev->bdev->bus->drv_cc, BCMA_CC_GPIOCTL, (bcma_cc_read32(&dev->dev->bdev->bus->drv_cc, - BCMA_CC_GPIOCTL) & mask) | set); + BCMA_CC_GPIOCTL) & ~mask) | set); break; #endif #ifdef CONFIG_B43_SSB @@ -2753,7 +2758,7 @@ static int b43_gpio_init(struct b43_wldev *dev) if (gpiodev) ssb_write32(gpiodev, B43_GPIO_CONTROL, (ssb_read32(gpiodev, B43_GPIO_CONTROL) - & mask) | set); + & ~mask) | set); break; #endif } diff --git a/drivers/net/wireless/brcm80211/brcmsmac/channel.c b/drivers/net/wireless/brcm80211/brcmsmac/channel.c index 9a4c63f927c..7ed7d757702 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/channel.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/channel.c @@ -382,9 +382,7 @@ brcms_c_channel_set_chanspec(struct brcms_cm_info *wlc_cm, u16 chanspec, { struct brcms_c_info *wlc = wlc_cm->wlc; struct ieee80211_channel *ch = wlc->pub->ieee_hw->conf.channel; - const struct ieee80211_reg_rule *reg_rule; struct txpwr_limits txpwr; - int ret; brcms_c_channel_reg_limits(wlc_cm, chanspec, &txpwr); @@ -393,8 +391,7 @@ brcms_c_channel_set_chanspec(struct brcms_cm_info *wlc_cm, u16 chanspec, ); /* set or restore gmode as required by regulatory */ - ret = freq_reg_info(wlc->wiphy, ch->center_freq, 0, ®_rule); - if (!ret && (reg_rule->flags & NL80211_RRF_NO_OFDM)) + if (ch->flags & IEEE80211_CHAN_NO_OFDM) brcms_c_set_gmode(wlc, GMODE_LEGACY_B, false); else brcms_c_set_gmode(wlc, wlc->protection->gmode_user, false); diff --git a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c index 9e79d47e077..192ad5c1fcc 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c @@ -121,7 +121,8 @@ static struct ieee80211_channel brcms_2ghz_chantable[] = { IEEE80211_CHAN_NO_HT40PLUS), CHAN2GHZ(14, 2484, IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS | - IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS) + IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS | + IEEE80211_CHAN_NO_OFDM) }; static struct ieee80211_channel brcms_5ghz_nphy_chantable[] = { diff --git a/drivers/net/wireless/iwlwifi/dvm/rs.c b/drivers/net/wireless/iwlwifi/dvm/rs.c index 6fddd2785e6..a82f46c10f5 100644 --- a/drivers/net/wireless/iwlwifi/dvm/rs.c +++ b/drivers/net/wireless/iwlwifi/dvm/rs.c @@ -707,11 +707,14 @@ static int rs_toggle_antenna(u32 valid_ant, u32 *rate_n_flags, */ static bool rs_use_green(struct ieee80211_sta *sta) { - struct iwl_station_priv *sta_priv = (void *)sta->drv_priv; - struct iwl_rxon_context *ctx = sta_priv->ctx; - - return (sta->ht_cap.cap & IEEE80211_HT_CAP_GRN_FLD) && - !(ctx->ht.non_gf_sta_present); + /* + * There's a bug somewhere in this code that causes the + * scaling to get stuck because GF+SGI can't be combined + * in SISO rates. Until we find that bug, disable GF, it + * has only limited benefit and we still interoperate with + * GF APs since we can always receive GF transmissions. + */ + return false; } /** diff --git a/drivers/net/wireless/libertas/cfg.c b/drivers/net/wireless/libertas/cfg.c index eb5de800ed9..1c10b542ab2 100644 --- a/drivers/net/wireless/libertas/cfg.c +++ b/drivers/net/wireless/libertas/cfg.c @@ -1254,6 +1254,7 @@ static int lbs_associate(struct lbs_private *priv, netif_tx_wake_all_queues(priv->dev); } + kfree(cmd); done: lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret); return ret; diff --git a/drivers/net/wireless/libertas/if_sdio.c b/drivers/net/wireless/libertas/if_sdio.c index 76caebaa439..e970897f6ab 100644 --- a/drivers/net/wireless/libertas/if_sdio.c +++ b/drivers/net/wireless/libertas/if_sdio.c @@ -1314,6 +1314,7 @@ static void if_sdio_remove(struct sdio_func *func) kfree(packet); } + kfree(card); lbs_deb_leave(LBS_DEB_SDIO); } diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c index 58048189bd2..fe1ea43c514 100644 --- a/drivers/net/wireless/libertas/main.c +++ b/drivers/net/wireless/libertas/main.c @@ -571,7 +571,10 @@ static int lbs_thread(void *data) netdev_info(dev, "Timeout submitting command 0x%04x\n", le16_to_cpu(cmdnode->cmdbuf->command)); lbs_complete_command(priv, cmdnode, -ETIMEDOUT); - if (priv->reset_card) + + /* Reset card, but only when it isn't in the process + * of being shutdown anyway. */ + if (!dev->dismantle && priv->reset_card) priv->reset_card(priv); } priv->cmd_timed_out = 0; diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c index 88455b1b9fe..cb8c2aca54e 100644 --- a/drivers/net/wireless/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/rt2x00/rt2800lib.c @@ -221,6 +221,67 @@ static void rt2800_rf_write(struct rt2x00_dev *rt2x00dev, mutex_unlock(&rt2x00dev->csr_mutex); } +static int rt2800_enable_wlan_rt3290(struct rt2x00_dev *rt2x00dev) +{ + u32 reg; + int i, count; + + rt2800_register_read(rt2x00dev, WLAN_FUN_CTRL, ®); + if (rt2x00_get_field32(reg, WLAN_EN)) + return 0; + + rt2x00_set_field32(®, WLAN_GPIO_OUT_OE_BIT_ALL, 0xff); + rt2x00_set_field32(®, FRC_WL_ANT_SET, 1); + rt2x00_set_field32(®, WLAN_CLK_EN, 0); + rt2x00_set_field32(®, WLAN_EN, 1); + rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg); + + udelay(REGISTER_BUSY_DELAY); + + count = 0; + do { + /* + * Check PLL_LD & XTAL_RDY. + */ + for (i = 0; i < REGISTER_BUSY_COUNT; i++) { + rt2800_register_read(rt2x00dev, CMB_CTRL, ®); + if (rt2x00_get_field32(reg, PLL_LD) && + rt2x00_get_field32(reg, XTAL_RDY)) + break; + udelay(REGISTER_BUSY_DELAY); + } + + if (i >= REGISTER_BUSY_COUNT) { + + if (count >= 10) + return -EIO; + + rt2800_register_write(rt2x00dev, 0x58, 0x018); + udelay(REGISTER_BUSY_DELAY); + rt2800_register_write(rt2x00dev, 0x58, 0x418); + udelay(REGISTER_BUSY_DELAY); + rt2800_register_write(rt2x00dev, 0x58, 0x618); + udelay(REGISTER_BUSY_DELAY); + count++; + } else { + count = 0; + } + + rt2800_register_read(rt2x00dev, WLAN_FUN_CTRL, ®); + rt2x00_set_field32(®, PCIE_APP0_CLK_REQ, 0); + rt2x00_set_field32(®, WLAN_CLK_EN, 1); + rt2x00_set_field32(®, WLAN_RESET, 1); + rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg); + udelay(10); + rt2x00_set_field32(®, WLAN_RESET, 0); + rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg); + udelay(10); + rt2800_register_write(rt2x00dev, INT_SOURCE_CSR, 0x7fffffff); + } while (count != 0); + + return 0; +} + void rt2800_mcu_request(struct rt2x00_dev *rt2x00dev, const u8 command, const u8 token, const u8 arg0, const u8 arg1) @@ -400,6 +461,13 @@ int rt2800_load_firmware(struct rt2x00_dev *rt2x00dev, { unsigned int i; u32 reg; + int retval; + + if (rt2x00_rt(rt2x00dev, RT3290)) { + retval = rt2800_enable_wlan_rt3290(rt2x00dev); + if (retval) + return -EBUSY; + } /* * If driver doesn't wake up firmware here, diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c index 235376e9cb0..98aa426a356 100644 --- a/drivers/net/wireless/rt2x00/rt2800pci.c +++ b/drivers/net/wireless/rt2x00/rt2800pci.c @@ -980,66 +980,6 @@ static int rt2800pci_validate_eeprom(struct rt2x00_dev *rt2x00dev) return rt2800_validate_eeprom(rt2x00dev); } -static int rt2800_enable_wlan_rt3290(struct rt2x00_dev *rt2x00dev) -{ - u32 reg; - int i, count; - - rt2800_register_read(rt2x00dev, WLAN_FUN_CTRL, ®); - if (rt2x00_get_field32(reg, WLAN_EN)) - return 0; - - rt2x00_set_field32(®, WLAN_GPIO_OUT_OE_BIT_ALL, 0xff); - rt2x00_set_field32(®, FRC_WL_ANT_SET, 1); - rt2x00_set_field32(®, WLAN_CLK_EN, 0); - rt2x00_set_field32(®, WLAN_EN, 1); - rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg); - - udelay(REGISTER_BUSY_DELAY); - - count = 0; - do { - /* - * Check PLL_LD & XTAL_RDY. - */ - for (i = 0; i < REGISTER_BUSY_COUNT; i++) { - rt2800_register_read(rt2x00dev, CMB_CTRL, ®); - if (rt2x00_get_field32(reg, PLL_LD) && - rt2x00_get_field32(reg, XTAL_RDY)) - break; - udelay(REGISTER_BUSY_DELAY); - } - - if (i >= REGISTER_BUSY_COUNT) { - - if (count >= 10) - return -EIO; - - rt2800_register_write(rt2x00dev, 0x58, 0x018); - udelay(REGISTER_BUSY_DELAY); - rt2800_register_write(rt2x00dev, 0x58, 0x418); - udelay(REGISTER_BUSY_DELAY); - rt2800_register_write(rt2x00dev, 0x58, 0x618); - udelay(REGISTER_BUSY_DELAY); - count++; - } else { - count = 0; - } - - rt2800_register_read(rt2x00dev, WLAN_FUN_CTRL, ®); - rt2x00_set_field32(®, PCIE_APP0_CLK_REQ, 0); - rt2x00_set_field32(®, WLAN_CLK_EN, 1); - rt2x00_set_field32(®, WLAN_RESET, 1); - rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg); - udelay(10); - rt2x00_set_field32(®, WLAN_RESET, 0); - rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg); - udelay(10); - rt2800_register_write(rt2x00dev, INT_SOURCE_CSR, 0x7fffffff); - } while (count != 0); - - return 0; -} static int rt2800pci_probe_hw(struct rt2x00_dev *rt2x00dev) { int retval; @@ -1063,17 +1003,6 @@ static int rt2800pci_probe_hw(struct rt2x00_dev *rt2x00dev) return retval; /* - * In probe phase call rt2800_enable_wlan_rt3290 to enable wlan - * clk for rt3290. That avoid the MCU fail in start phase. - */ - if (rt2x00_rt(rt2x00dev, RT3290)) { - retval = rt2800_enable_wlan_rt3290(rt2x00dev); - - if (retval) - return retval; - } - - /* * This device has multiple filters for control frames * and has a separate filter for PS Poll frames. */ diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c index f32259686b4..3f7bc5cadf9 100644 --- a/drivers/net/wireless/rt2x00/rt61pci.c +++ b/drivers/net/wireless/rt2x00/rt61pci.c @@ -2243,8 +2243,7 @@ static void rt61pci_txdone(struct rt2x00_dev *rt2x00dev) static void rt61pci_wakeup(struct rt2x00_dev *rt2x00dev) { - struct ieee80211_conf conf = { .flags = 0 }; - struct rt2x00lib_conf libconf = { .conf = &conf }; + struct rt2x00lib_conf libconf = { .conf = &rt2x00dev->hw->conf }; rt61pci_config(rt2x00dev, &libconf, IEEE80211_CONF_CHANGE_PS); } diff --git a/drivers/pinctrl/pinctrl-imx23.c b/drivers/pinctrl/pinctrl-imx23.c index 75d3eff9429..3674d877ed7 100644 --- a/drivers/pinctrl/pinctrl-imx23.c +++ b/drivers/pinctrl/pinctrl-imx23.c @@ -292,7 +292,7 @@ static int __init imx23_pinctrl_init(void) { return platform_driver_register(&imx23_pinctrl_driver); } -arch_initcall(imx23_pinctrl_init); +postcore_initcall(imx23_pinctrl_init); static void __exit imx23_pinctrl_exit(void) { diff --git a/drivers/pinctrl/pinctrl-imx28.c b/drivers/pinctrl/pinctrl-imx28.c index b973026811a..0f5b2122b1b 100644 --- a/drivers/pinctrl/pinctrl-imx28.c +++ b/drivers/pinctrl/pinctrl-imx28.c @@ -408,7 +408,7 @@ static int __init imx28_pinctrl_init(void) { return platform_driver_register(&imx28_pinctrl_driver); } -arch_initcall(imx28_pinctrl_init); +postcore_initcall(imx28_pinctrl_init); static void __exit imx28_pinctrl_exit(void) { diff --git a/drivers/pinctrl/pinctrl-nomadik-db8500.c b/drivers/pinctrl/pinctrl-nomadik-db8500.c index 6f99769c673..5f3e9d0221e 100644 --- a/drivers/pinctrl/pinctrl-nomadik-db8500.c +++ b/drivers/pinctrl/pinctrl-nomadik-db8500.c @@ -766,7 +766,7 @@ DB8500_FUNC_GROUPS(ipgpio, "ipgpio0_a_1", "ipgpio1_a_1", "ipgpio7_b_1", DB8500_FUNC_GROUPS(msp2, "msp2sck_a_1", "msp2_a_1"); DB8500_FUNC_GROUPS(mc4, "mc4_a_1", "mc4rstn_c_1"); DB8500_FUNC_GROUPS(mc1, "mc1_a_1", "mc1dir_a_1"); -DB8500_FUNC_GROUPS(hsi, "hsir1_a_1", "hsit1_a_1", "hsit_a_2"); +DB8500_FUNC_GROUPS(hsi, "hsir_a_1", "hsit_a_1", "hsit_a_2"); DB8500_FUNC_GROUPS(clkout, "clkout_a_1", "clkout_a_2", "clkout_c_1"); DB8500_FUNC_GROUPS(usb, "usb_a_1"); DB8500_FUNC_GROUPS(trig, "trig_b_1"); diff --git a/drivers/pinctrl/pinctrl-nomadik.c b/drivers/pinctrl/pinctrl-nomadik.c index 53b0d49a7a1..ec6ac501b23 100644 --- a/drivers/pinctrl/pinctrl-nomadik.c +++ b/drivers/pinctrl/pinctrl-nomadik.c @@ -1731,7 +1731,6 @@ static int __devinit nmk_pinctrl_probe(struct platform_device *pdev) for (i = 0; i < npct->soc->gpio_num_ranges; i++) { if (!nmk_gpio_chips[i]) { dev_warn(&pdev->dev, "GPIO chip %d not registered yet\n", i); - devm_kfree(&pdev->dev, npct); return -EPROBE_DEFER; } npct->soc->gpio_ranges[i].gc = &nmk_gpio_chips[i]->chip; diff --git a/drivers/pinctrl/pinctrl-sirf.c b/drivers/pinctrl/pinctrl-sirf.c index 2aae8a8978e..7fca6ce5952 100644 --- a/drivers/pinctrl/pinctrl-sirf.c +++ b/drivers/pinctrl/pinctrl-sirf.c @@ -1217,7 +1217,6 @@ out_no_rsc_remap: iounmap(spmx->gpio_virtbase); out_no_gpio_remap: platform_set_drvdata(pdev, NULL); - devm_kfree(&pdev->dev, spmx); return ret; } diff --git a/drivers/pinctrl/pinctrl-u300.c b/drivers/pinctrl/pinctrl-u300.c index a7ad8c112d9..309f5b9a70e 100644 --- a/drivers/pinctrl/pinctrl-u300.c +++ b/drivers/pinctrl/pinctrl-u300.c @@ -1121,10 +1121,8 @@ static int __devinit u300_pmx_probe(struct platform_device *pdev) upmx->dev = &pdev->dev; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - ret = -ENOENT; - goto out_no_resource; - } + if (!res) + return -ENOENT; upmx->phybase = res->start; upmx->physize = resource_size(res); @@ -1165,8 +1163,6 @@ out_no_remap: platform_set_drvdata(pdev, NULL); out_no_memregion: release_mem_region(upmx->phybase, upmx->physize); -out_no_resource: - devm_kfree(&pdev->dev, upmx); return ret; } diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig index 2a262f5c5c0..c86bae828c2 100644 --- a/drivers/platform/x86/Kconfig +++ b/drivers/platform/x86/Kconfig @@ -289,6 +289,7 @@ config IDEAPAD_LAPTOP tristate "Lenovo IdeaPad Laptop Extras" depends on ACPI depends on RFKILL && INPUT + depends on SERIO_I8042 select INPUT_SPARSEKMAP help This is a driver for the rfkill switches on Lenovo IdeaPad netbooks. @@ -758,8 +759,11 @@ config SAMSUNG_Q10 config APPLE_GMUX tristate "Apple Gmux Driver" + depends on ACPI depends on PNP - select BACKLIGHT_CLASS_DEVICE + depends on BACKLIGHT_CLASS_DEVICE + depends on BACKLIGHT_APPLE=n || BACKLIGHT_APPLE + depends on ACPI_VIDEO=n || ACPI_VIDEO ---help--- This driver provides support for the gmux device found on many Apple laptops, which controls the display mux for the hybrid diff --git a/drivers/platform/x86/apple-gmux.c b/drivers/platform/x86/apple-gmux.c index 905fa01ac8d..dfb1a92ce94 100644 --- a/drivers/platform/x86/apple-gmux.c +++ b/drivers/platform/x86/apple-gmux.c @@ -2,6 +2,7 @@ * Gmux driver for Apple laptops * * Copyright (C) Canonical Ltd. <seth.forshee@canonical.com> + * Copyright (C) 2010-2012 Andreas Heider <andreas@meetr.de> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -18,16 +19,30 @@ #include <linux/pnp.h> #include <linux/apple_bl.h> #include <linux/slab.h> +#include <linux/delay.h> +#include <linux/pci.h> +#include <linux/vga_switcheroo.h> #include <acpi/video.h> #include <asm/io.h> struct apple_gmux_data { unsigned long iostart; unsigned long iolen; + bool indexed; + struct mutex index_lock; struct backlight_device *bdev; + + /* switcheroo data */ + acpi_handle dhandle; + int gpe; + enum vga_switcheroo_client_id resume_client_id; + enum vga_switcheroo_state power_state; + struct completion powerchange_done; }; +static struct apple_gmux_data *apple_gmux_data; + /* * gmux port offsets. Many of these are not yet used, but may be in the * future, and it's useful to have them documented here anyhow. @@ -45,6 +60,9 @@ struct apple_gmux_data { #define GMUX_PORT_DISCRETE_POWER 0x50 #define GMUX_PORT_MAX_BRIGHTNESS 0x70 #define GMUX_PORT_BRIGHTNESS 0x74 +#define GMUX_PORT_VALUE 0xc2 +#define GMUX_PORT_READ 0xd0 +#define GMUX_PORT_WRITE 0xd4 #define GMUX_MIN_IO_LEN (GMUX_PORT_BRIGHTNESS + 4) @@ -59,22 +77,172 @@ struct apple_gmux_data { #define GMUX_BRIGHTNESS_MASK 0x00ffffff #define GMUX_MAX_BRIGHTNESS GMUX_BRIGHTNESS_MASK -static inline u8 gmux_read8(struct apple_gmux_data *gmux_data, int port) +static u8 gmux_pio_read8(struct apple_gmux_data *gmux_data, int port) { return inb(gmux_data->iostart + port); } -static inline void gmux_write8(struct apple_gmux_data *gmux_data, int port, +static void gmux_pio_write8(struct apple_gmux_data *gmux_data, int port, u8 val) { outb(val, gmux_data->iostart + port); } -static inline u32 gmux_read32(struct apple_gmux_data *gmux_data, int port) +static u32 gmux_pio_read32(struct apple_gmux_data *gmux_data, int port) { return inl(gmux_data->iostart + port); } +static void gmux_pio_write32(struct apple_gmux_data *gmux_data, int port, + u32 val) +{ + int i; + u8 tmpval; + + for (i = 0; i < 4; i++) { + tmpval = (val >> (i * 8)) & 0xff; + outb(tmpval, port + i); + } +} + +static int gmux_index_wait_ready(struct apple_gmux_data *gmux_data) +{ + int i = 200; + u8 gwr = inb(gmux_data->iostart + GMUX_PORT_WRITE); + + while (i && (gwr & 0x01)) { + inb(gmux_data->iostart + GMUX_PORT_READ); + gwr = inb(gmux_data->iostart + GMUX_PORT_WRITE); + udelay(100); + i--; + } + + return !!i; +} + +static int gmux_index_wait_complete(struct apple_gmux_data *gmux_data) +{ + int i = 200; + u8 gwr = inb(gmux_data->iostart + GMUX_PORT_WRITE); + + while (i && !(gwr & 0x01)) { + gwr = inb(gmux_data->iostart + GMUX_PORT_WRITE); + udelay(100); + i--; + } + + if (gwr & 0x01) + inb(gmux_data->iostart + GMUX_PORT_READ); + + return !!i; +} + +static u8 gmux_index_read8(struct apple_gmux_data *gmux_data, int port) +{ + u8 val; + + mutex_lock(&gmux_data->index_lock); + outb((port & 0xff), gmux_data->iostart + GMUX_PORT_READ); + gmux_index_wait_ready(gmux_data); + val = inb(gmux_data->iostart + GMUX_PORT_VALUE); + mutex_unlock(&gmux_data->index_lock); + + return val; +} + +static void gmux_index_write8(struct apple_gmux_data *gmux_data, int port, + u8 val) +{ + mutex_lock(&gmux_data->index_lock); + outb(val, gmux_data->iostart + GMUX_PORT_VALUE); + gmux_index_wait_ready(gmux_data); + outb(port & 0xff, gmux_data->iostart + GMUX_PORT_WRITE); + gmux_index_wait_complete(gmux_data); + mutex_unlock(&gmux_data->index_lock); +} + +static u32 gmux_index_read32(struct apple_gmux_data *gmux_data, int port) +{ + u32 val; + + mutex_lock(&gmux_data->index_lock); + outb((port & 0xff), gmux_data->iostart + GMUX_PORT_READ); + gmux_index_wait_ready(gmux_data); + val = inl(gmux_data->iostart + GMUX_PORT_VALUE); + mutex_unlock(&gmux_data->index_lock); + + return val; +} + +static void gmux_index_write32(struct apple_gmux_data *gmux_data, int port, + u32 val) +{ + int i; + u8 tmpval; + + mutex_lock(&gmux_data->index_lock); + + for (i = 0; i < 4; i++) { + tmpval = (val >> (i * 8)) & 0xff; + outb(tmpval, gmux_data->iostart + GMUX_PORT_VALUE + i); + } + + gmux_index_wait_ready(gmux_data); + outb(port & 0xff, gmux_data->iostart + GMUX_PORT_WRITE); + gmux_index_wait_complete(gmux_data); + mutex_unlock(&gmux_data->index_lock); +} + +static u8 gmux_read8(struct apple_gmux_data *gmux_data, int port) +{ + if (gmux_data->indexed) + return gmux_index_read8(gmux_data, port); + else + return gmux_pio_read8(gmux_data, port); +} + +static void gmux_write8(struct apple_gmux_data *gmux_data, int port, u8 val) +{ + if (gmux_data->indexed) + gmux_index_write8(gmux_data, port, val); + else + gmux_pio_write8(gmux_data, port, val); +} + +static u32 gmux_read32(struct apple_gmux_data *gmux_data, int port) +{ + if (gmux_data->indexed) + return gmux_index_read32(gmux_data, port); + else + return gmux_pio_read32(gmux_data, port); +} + +static void gmux_write32(struct apple_gmux_data *gmux_data, int port, + u32 val) +{ + if (gmux_data->indexed) + gmux_index_write32(gmux_data, port, val); + else + gmux_pio_write32(gmux_data, port, val); +} + +static bool gmux_is_indexed(struct apple_gmux_data *gmux_data) +{ + u16 val; + + outb(0xaa, gmux_data->iostart + 0xcc); + outb(0x55, gmux_data->iostart + 0xcd); + outb(0x00, gmux_data->iostart + 0xce); + + val = inb(gmux_data->iostart + 0xcc) | + (inb(gmux_data->iostart + 0xcd) << 8); + + if (val == 0x55aa) + return true; + + return false; +} + static int gmux_get_brightness(struct backlight_device *bd) { struct apple_gmux_data *gmux_data = bl_get_data(bd); @@ -90,16 +258,7 @@ static int gmux_update_status(struct backlight_device *bd) if (bd->props.state & BL_CORE_SUSPENDED) return 0; - /* - * Older gmux versions require writing out lower bytes first then - * setting the upper byte to 0 to flush the values. Newer versions - * accept a single u32 write, but the old method also works, so we - * just use the old method for all gmux versions. - */ - gmux_write8(gmux_data, GMUX_PORT_BRIGHTNESS, brightness); - gmux_write8(gmux_data, GMUX_PORT_BRIGHTNESS + 1, brightness >> 8); - gmux_write8(gmux_data, GMUX_PORT_BRIGHTNESS + 2, brightness >> 16); - gmux_write8(gmux_data, GMUX_PORT_BRIGHTNESS + 3, 0); + gmux_write32(gmux_data, GMUX_PORT_BRIGHTNESS, brightness); return 0; } @@ -110,6 +269,146 @@ static const struct backlight_ops gmux_bl_ops = { .update_status = gmux_update_status, }; +static int gmux_switchto(enum vga_switcheroo_client_id id) +{ + if (id == VGA_SWITCHEROO_IGD) { + gmux_write8(apple_gmux_data, GMUX_PORT_SWITCH_DDC, 1); + gmux_write8(apple_gmux_data, GMUX_PORT_SWITCH_DISPLAY, 2); + gmux_write8(apple_gmux_data, GMUX_PORT_SWITCH_EXTERNAL, 2); + } else { + gmux_write8(apple_gmux_data, GMUX_PORT_SWITCH_DDC, 2); + gmux_write8(apple_gmux_data, GMUX_PORT_SWITCH_DISPLAY, 3); + gmux_write8(apple_gmux_data, GMUX_PORT_SWITCH_EXTERNAL, 3); + } + + return 0; +} + +static int gmux_set_discrete_state(struct apple_gmux_data *gmux_data, + enum vga_switcheroo_state state) +{ + INIT_COMPLETION(gmux_data->powerchange_done); + + if (state == VGA_SWITCHEROO_ON) { + gmux_write8(gmux_data, GMUX_PORT_DISCRETE_POWER, 1); + gmux_write8(gmux_data, GMUX_PORT_DISCRETE_POWER, 3); + pr_debug("Discrete card powered up\n"); + } else { + gmux_write8(gmux_data, GMUX_PORT_DISCRETE_POWER, 1); + gmux_write8(gmux_data, GMUX_PORT_DISCRETE_POWER, 0); + pr_debug("Discrete card powered down\n"); + } + + gmux_data->power_state = state; + + if (gmux_data->gpe >= 0 && + !wait_for_completion_interruptible_timeout(&gmux_data->powerchange_done, + msecs_to_jiffies(200))) + pr_warn("Timeout waiting for gmux switch to complete\n"); + + return 0; +} + +static int gmux_set_power_state(enum vga_switcheroo_client_id id, + enum vga_switcheroo_state state) +{ + if (id == VGA_SWITCHEROO_IGD) + return 0; + + return gmux_set_discrete_state(apple_gmux_data, state); +} + +static int gmux_get_client_id(struct pci_dev *pdev) +{ + /* + * Early Macbook Pros with switchable graphics use nvidia + * integrated graphics. Hardcode that the 9400M is integrated. + */ + if (pdev->vendor == PCI_VENDOR_ID_INTEL) + return VGA_SWITCHEROO_IGD; + else if (pdev->vendor == PCI_VENDOR_ID_NVIDIA && + pdev->device == 0x0863) + return VGA_SWITCHEROO_IGD; + else + return VGA_SWITCHEROO_DIS; +} + +static enum vga_switcheroo_client_id +gmux_active_client(struct apple_gmux_data *gmux_data) +{ + if (gmux_read8(gmux_data, GMUX_PORT_SWITCH_DISPLAY) == 2) + return VGA_SWITCHEROO_IGD; + + return VGA_SWITCHEROO_DIS; +} + +static struct vga_switcheroo_handler gmux_handler = { + .switchto = gmux_switchto, + .power_state = gmux_set_power_state, + .get_client_id = gmux_get_client_id, +}; + +static inline void gmux_disable_interrupts(struct apple_gmux_data *gmux_data) +{ + gmux_write8(gmux_data, GMUX_PORT_INTERRUPT_ENABLE, + GMUX_INTERRUPT_DISABLE); +} + +static inline void gmux_enable_interrupts(struct apple_gmux_data *gmux_data) +{ + gmux_write8(gmux_data, GMUX_PORT_INTERRUPT_ENABLE, + GMUX_INTERRUPT_ENABLE); +} + +static inline u8 gmux_interrupt_get_status(struct apple_gmux_data *gmux_data) +{ + return gmux_read8(gmux_data, GMUX_PORT_INTERRUPT_STATUS); +} + +static void gmux_clear_interrupts(struct apple_gmux_data *gmux_data) +{ + u8 status; + + /* to clear interrupts write back current status */ + status = gmux_interrupt_get_status(gmux_data); + gmux_write8(gmux_data, GMUX_PORT_INTERRUPT_STATUS, status); +} + +static void gmux_notify_handler(acpi_handle device, u32 value, void *context) +{ + u8 status; + struct pnp_dev *pnp = (struct pnp_dev *)context; + struct apple_gmux_data *gmux_data = pnp_get_drvdata(pnp); + + status = gmux_interrupt_get_status(gmux_data); + gmux_disable_interrupts(gmux_data); + pr_debug("Notify handler called: status %d\n", status); + + gmux_clear_interrupts(gmux_data); + gmux_enable_interrupts(gmux_data); + + if (status & GMUX_INTERRUPT_STATUS_POWER) + complete(&gmux_data->powerchange_done); +} + +static int gmux_suspend(struct pnp_dev *pnp, pm_message_t state) +{ + struct apple_gmux_data *gmux_data = pnp_get_drvdata(pnp); + gmux_data->resume_client_id = gmux_active_client(gmux_data); + gmux_disable_interrupts(gmux_data); + return 0; +} + +static int gmux_resume(struct pnp_dev *pnp) +{ + struct apple_gmux_data *gmux_data = pnp_get_drvdata(pnp); + gmux_enable_interrupts(gmux_data); + gmux_switchto(gmux_data->resume_client_id); + if (gmux_data->power_state == VGA_SWITCHEROO_OFF) + gmux_set_discrete_state(gmux_data, gmux_data->power_state); + return 0; +} + static int __devinit gmux_probe(struct pnp_dev *pnp, const struct pnp_device_id *id) { @@ -119,6 +418,11 @@ static int __devinit gmux_probe(struct pnp_dev *pnp, struct backlight_device *bdev; u8 ver_major, ver_minor, ver_release; int ret = -ENXIO; + acpi_status status; + unsigned long long gpe; + + if (apple_gmux_data) + return -EBUSY; gmux_data = kzalloc(sizeof(*gmux_data), GFP_KERNEL); if (!gmux_data) @@ -147,22 +451,29 @@ static int __devinit gmux_probe(struct pnp_dev *pnp, } /* - * On some machines the gmux is in ACPI even thought the machine - * doesn't really have a gmux. Check for invalid version information - * to detect this. + * Invalid version information may indicate either that the gmux + * device isn't present or that it's a new one that uses indexed + * io */ + ver_major = gmux_read8(gmux_data, GMUX_PORT_VERSION_MAJOR); ver_minor = gmux_read8(gmux_data, GMUX_PORT_VERSION_MINOR); ver_release = gmux_read8(gmux_data, GMUX_PORT_VERSION_RELEASE); if (ver_major == 0xff && ver_minor == 0xff && ver_release == 0xff) { - pr_info("gmux device not present\n"); - ret = -ENODEV; - goto err_release; + if (gmux_is_indexed(gmux_data)) { + mutex_init(&gmux_data->index_lock); + gmux_data->indexed = true; + } else { + pr_info("gmux device not present\n"); + ret = -ENODEV; + goto err_release; + } + pr_info("Found indexed gmux\n"); + } else { + pr_info("Found gmux version %d.%d.%d\n", ver_major, ver_minor, + ver_release); } - pr_info("Found gmux version %d.%d.%d\n", ver_major, ver_minor, - ver_release); - memset(&props, 0, sizeof(props)); props.type = BACKLIGHT_PLATFORM; props.max_brightness = gmux_read32(gmux_data, GMUX_PORT_MAX_BRIGHTNESS); @@ -194,13 +505,67 @@ static int __devinit gmux_probe(struct pnp_dev *pnp, * Disable the other backlight choices. */ acpi_video_dmi_promote_vendor(); -#ifdef CONFIG_ACPI_VIDEO +#if defined (CONFIG_ACPI_VIDEO) || defined (CONFIG_ACPI_VIDEO_MODULE) acpi_video_unregister(); #endif apple_bl_unregister(); + gmux_data->power_state = VGA_SWITCHEROO_ON; + + gmux_data->dhandle = DEVICE_ACPI_HANDLE(&pnp->dev); + if (!gmux_data->dhandle) { + pr_err("Cannot find acpi handle for pnp device %s\n", + dev_name(&pnp->dev)); + ret = -ENODEV; + goto err_notify; + } + + status = acpi_evaluate_integer(gmux_data->dhandle, "GMGP", NULL, &gpe); + if (ACPI_SUCCESS(status)) { + gmux_data->gpe = (int)gpe; + + status = acpi_install_notify_handler(gmux_data->dhandle, + ACPI_DEVICE_NOTIFY, + &gmux_notify_handler, pnp); + if (ACPI_FAILURE(status)) { + pr_err("Install notify handler failed: %s\n", + acpi_format_exception(status)); + ret = -ENODEV; + goto err_notify; + } + + status = acpi_enable_gpe(NULL, gmux_data->gpe); + if (ACPI_FAILURE(status)) { + pr_err("Cannot enable gpe: %s\n", + acpi_format_exception(status)); + goto err_enable_gpe; + } + } else { + pr_warn("No GPE found for gmux\n"); + gmux_data->gpe = -1; + } + + if (vga_switcheroo_register_handler(&gmux_handler)) { + ret = -ENODEV; + goto err_register_handler; + } + + init_completion(&gmux_data->powerchange_done); + apple_gmux_data = gmux_data; + gmux_enable_interrupts(gmux_data); + return 0; +err_register_handler: + if (gmux_data->gpe >= 0) + acpi_disable_gpe(NULL, gmux_data->gpe); +err_enable_gpe: + if (gmux_data->gpe >= 0) + acpi_remove_notify_handler(gmux_data->dhandle, + ACPI_DEVICE_NOTIFY, + &gmux_notify_handler); +err_notify: + backlight_device_unregister(bdev); err_release: release_region(gmux_data->iostart, gmux_data->iolen); err_free: @@ -212,12 +577,23 @@ static void __devexit gmux_remove(struct pnp_dev *pnp) { struct apple_gmux_data *gmux_data = pnp_get_drvdata(pnp); + vga_switcheroo_unregister_handler(); + gmux_disable_interrupts(gmux_data); + if (gmux_data->gpe >= 0) { + acpi_disable_gpe(NULL, gmux_data->gpe); + acpi_remove_notify_handler(gmux_data->dhandle, + ACPI_DEVICE_NOTIFY, + &gmux_notify_handler); + } + backlight_device_unregister(gmux_data->bdev); + release_region(gmux_data->iostart, gmux_data->iolen); + apple_gmux_data = NULL; kfree(gmux_data); acpi_video_dmi_demote_vendor(); -#ifdef CONFIG_ACPI_VIDEO +#if defined (CONFIG_ACPI_VIDEO) || defined (CONFIG_ACPI_VIDEO_MODULE) acpi_video_register(); #endif apple_bl_register(); @@ -233,6 +609,8 @@ static struct pnp_driver gmux_pnp_driver = { .probe = gmux_probe, .remove = __devexit_p(gmux_remove), .id_table = gmux_device_ids, + .suspend = gmux_suspend, + .resume = gmux_resume }; static int __init apple_gmux_init(void) diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c index c7a36f6b058..2eb9fe8e8ef 100644 --- a/drivers/platform/x86/asus-wmi.c +++ b/drivers/platform/x86/asus-wmi.c @@ -101,6 +101,7 @@ MODULE_LICENSE("GPL"); #define ASUS_WMI_DEVID_WIRELESS_LED 0x00010002 #define ASUS_WMI_DEVID_CWAP 0x00010003 #define ASUS_WMI_DEVID_WLAN 0x00010011 +#define ASUS_WMI_DEVID_WLAN_LED 0x00010012 #define ASUS_WMI_DEVID_BLUETOOTH 0x00010013 #define ASUS_WMI_DEVID_GPS 0x00010015 #define ASUS_WMI_DEVID_WIMAX 0x00010017 @@ -731,8 +732,21 @@ static int asus_rfkill_set(void *data, bool blocked) { struct asus_rfkill *priv = data; u32 ctrl_param = !blocked; + u32 dev_id = priv->dev_id; - return asus_wmi_set_devstate(priv->dev_id, ctrl_param, NULL); + /* + * If the user bit is set, BIOS can't set and record the wlan status, + * it will report the value read from id ASUS_WMI_DEVID_WLAN_LED + * while we query the wlan status through WMI(ASUS_WMI_DEVID_WLAN). + * So, we have to record wlan status in id ASUS_WMI_DEVID_WLAN_LED + * while setting the wlan status through WMI. + * This is also the behavior that windows app will do. + */ + if ((dev_id == ASUS_WMI_DEVID_WLAN) && + priv->asus->driver->wlan_ctrl_by_user) + dev_id = ASUS_WMI_DEVID_WLAN_LED; + + return asus_wmi_set_devstate(dev_id, ctrl_param, NULL); } static void asus_rfkill_query(struct rfkill *rfkill, void *data) @@ -1653,6 +1667,7 @@ static int asus_wmi_add(struct platform_device *pdev) struct asus_wmi *asus; acpi_status status; int err; + u32 result; asus = kzalloc(sizeof(struct asus_wmi), GFP_KERNEL); if (!asus) @@ -1711,6 +1726,10 @@ static int asus_wmi_add(struct platform_device *pdev) if (err) goto fail_debugfs; + asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WLAN, &result); + if (result & (ASUS_WMI_DSTS_PRESENCE_BIT | ASUS_WMI_DSTS_USER_BIT)) + asus->driver->wlan_ctrl_by_user = 1; + return 0; fail_debugfs: diff --git a/drivers/platform/x86/asus-wmi.h b/drivers/platform/x86/asus-wmi.h index 9c1da8b81be..4c9bd38bb0a 100644 --- a/drivers/platform/x86/asus-wmi.h +++ b/drivers/platform/x86/asus-wmi.h @@ -46,6 +46,7 @@ struct quirk_entry { struct asus_wmi_driver { int brightness; int panel_power; + int wlan_ctrl_by_user; const char *name; struct module *owner; diff --git a/drivers/platform/x86/classmate-laptop.c b/drivers/platform/x86/classmate-laptop.c index 2ca7dd1ab3e..c87ff16873f 100644 --- a/drivers/platform/x86/classmate-laptop.c +++ b/drivers/platform/x86/classmate-laptop.c @@ -350,6 +350,7 @@ static void cmpc_accel_idev_init_v4(struct input_dev *inputdev) inputdev->close = cmpc_accel_close_v4; } +#ifdef CONFIG_PM_SLEEP static int cmpc_accel_suspend_v4(struct device *dev) { struct input_dev *inputdev; @@ -384,6 +385,7 @@ static int cmpc_accel_resume_v4(struct device *dev) return 0; } +#endif static int cmpc_accel_add_v4(struct acpi_device *acpi) { @@ -723,8 +725,10 @@ static void cmpc_tablet_handler(struct acpi_device *dev, u32 event) struct input_dev *inputdev = dev_get_drvdata(&dev->dev); if (event == 0x81) { - if (ACPI_SUCCESS(cmpc_get_tablet(dev->handle, &val))) + if (ACPI_SUCCESS(cmpc_get_tablet(dev->handle, &val))) { input_report_switch(inputdev, SW_TABLET_MODE, !val); + input_sync(inputdev); + } } } @@ -737,8 +741,10 @@ static void cmpc_tablet_idev_init(struct input_dev *inputdev) set_bit(SW_TABLET_MODE, inputdev->swbit); acpi = to_acpi_device(inputdev->dev.parent); - if (ACPI_SUCCESS(cmpc_get_tablet(acpi->handle, &val))) + if (ACPI_SUCCESS(cmpc_get_tablet(acpi->handle, &val))) { input_report_switch(inputdev, SW_TABLET_MODE, !val); + input_sync(inputdev); + } } static int cmpc_tablet_add(struct acpi_device *acpi) @@ -752,15 +758,19 @@ static int cmpc_tablet_remove(struct acpi_device *acpi, int type) return cmpc_remove_acpi_notify_device(acpi); } +#ifdef CONFIG_PM_SLEEP static int cmpc_tablet_resume(struct device *dev) { struct input_dev *inputdev = dev_get_drvdata(dev); unsigned long long val = 0; - if (ACPI_SUCCESS(cmpc_get_tablet(to_acpi_device(dev)->handle, &val))) + if (ACPI_SUCCESS(cmpc_get_tablet(to_acpi_device(dev)->handle, &val))) { input_report_switch(inputdev, SW_TABLET_MODE, !val); + input_sync(inputdev); + } return 0; } +#endif static SIMPLE_DEV_PM_OPS(cmpc_tablet_pm, NULL, cmpc_tablet_resume); diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c index 4e96e8c0b60..927c33af67e 100644 --- a/drivers/platform/x86/dell-laptop.c +++ b/drivers/platform/x86/dell-laptop.c @@ -211,7 +211,7 @@ static struct dmi_system_id __devinitdata dell_quirks[] = { .ident = "Dell Inspiron 5420", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), - DMI_MATCH(DMI_PRODUCT_NAME, "Isnpiron 5420"), + DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5420"), }, .driver_data = &quirk_dell_vostro_v130, }, @@ -220,7 +220,7 @@ static struct dmi_system_id __devinitdata dell_quirks[] = { .ident = "Dell Inspiron 5520", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), - DMI_MATCH(DMI_PRODUCT_NAME, "Isnpiron 5520"), + DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5520"), }, .driver_data = &quirk_dell_vostro_v130, }, @@ -229,7 +229,7 @@ static struct dmi_system_id __devinitdata dell_quirks[] = { .ident = "Dell Inspiron 5720", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), - DMI_MATCH(DMI_PRODUCT_NAME, "Isnpiron 5720"), + DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5720"), }, .driver_data = &quirk_dell_vostro_v130, }, @@ -238,7 +238,7 @@ static struct dmi_system_id __devinitdata dell_quirks[] = { .ident = "Dell Inspiron 7420", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), - DMI_MATCH(DMI_PRODUCT_NAME, "Isnpiron 7420"), + DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7420"), }, .driver_data = &quirk_dell_vostro_v130, }, @@ -247,7 +247,7 @@ static struct dmi_system_id __devinitdata dell_quirks[] = { .ident = "Dell Inspiron 7520", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), - DMI_MATCH(DMI_PRODUCT_NAME, "Isnpiron 7520"), + DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7520"), }, .driver_data = &quirk_dell_vostro_v130, }, @@ -256,7 +256,7 @@ static struct dmi_system_id __devinitdata dell_quirks[] = { .ident = "Dell Inspiron 7720", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), - DMI_MATCH(DMI_PRODUCT_NAME, "Isnpiron 7720"), + DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7720"), }, .driver_data = &quirk_dell_vostro_v130, }, diff --git a/drivers/platform/x86/fujitsu-tablet.c b/drivers/platform/x86/fujitsu-tablet.c index d2e41735a47..7acae3f85f3 100644 --- a/drivers/platform/x86/fujitsu-tablet.c +++ b/drivers/platform/x86/fujitsu-tablet.c @@ -440,11 +440,13 @@ static int __devexit acpi_fujitsu_remove(struct acpi_device *adev, int type) return 0; } +#ifdef CONFIG_PM_SLEEP static int acpi_fujitsu_resume(struct device *dev) { fujitsu_reset(); return 0; } +#endif static SIMPLE_DEV_PM_OPS(acpi_fujitsu_pm, NULL, acpi_fujitsu_resume); diff --git a/drivers/platform/x86/hdaps.c b/drivers/platform/x86/hdaps.c index d9ab6f64dce..777c7e3dda5 100644 --- a/drivers/platform/x86/hdaps.c +++ b/drivers/platform/x86/hdaps.c @@ -305,10 +305,12 @@ static int hdaps_probe(struct platform_device *dev) return 0; } +#ifdef CONFIG_PM_SLEEP static int hdaps_resume(struct device *dev) { return hdaps_device_init(); } +#endif static SIMPLE_DEV_PM_OPS(hdaps_pm, NULL, hdaps_resume); diff --git a/drivers/platform/x86/hp_accel.c b/drivers/platform/x86/hp_accel.c index f4d91154ad6..6b9af989632 100644 --- a/drivers/platform/x86/hp_accel.c +++ b/drivers/platform/x86/hp_accel.c @@ -352,7 +352,7 @@ static int lis3lv02d_remove(struct acpi_device *device, int type) } -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP static int lis3lv02d_suspend(struct device *dev) { /* make sure the device is off when we suspend */ diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c index 17f6dfd8dbf..dae7abe1d71 100644 --- a/drivers/platform/x86/ideapad-laptop.c +++ b/drivers/platform/x86/ideapad-laptop.c @@ -36,6 +36,7 @@ #include <linux/fb.h> #include <linux/debugfs.h> #include <linux/seq_file.h> +#include <linux/i8042.h> #define IDEAPAD_RFKILL_DEV_NUM (3) @@ -63,8 +64,11 @@ enum { VPCCMD_R_3G, VPCCMD_W_3G, VPCCMD_R_ODD, /* 0x21 */ - VPCCMD_R_RF = 0x23, + VPCCMD_W_FAN, + VPCCMD_R_RF, VPCCMD_W_RF, + VPCCMD_R_FAN = 0x2B, + VPCCMD_R_SPECIAL_BUTTONS = 0x31, VPCCMD_W_BL_POWER = 0x33, }; @@ -356,14 +360,46 @@ static ssize_t store_ideapad_cam(struct device *dev, return -EINVAL; ret = write_ec_cmd(ideapad_handle, VPCCMD_W_CAMERA, state); if (ret < 0) - return ret; + return -EIO; return count; } static DEVICE_ATTR(camera_power, 0644, show_ideapad_cam, store_ideapad_cam); +static ssize_t show_ideapad_fan(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + unsigned long result; + + if (read_ec_data(ideapad_handle, VPCCMD_R_FAN, &result)) + return sprintf(buf, "-1\n"); + return sprintf(buf, "%lu\n", result); +} + +static ssize_t store_ideapad_fan(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + int ret, state; + + if (!count) + return 0; + if (sscanf(buf, "%i", &state) != 1) + return -EINVAL; + if (state < 0 || state > 4 || state == 3) + return -EINVAL; + ret = write_ec_cmd(ideapad_handle, VPCCMD_W_FAN, state); + if (ret < 0) + return -EIO; + return count; +} + +static DEVICE_ATTR(fan_mode, 0644, show_ideapad_fan, store_ideapad_fan); + static struct attribute *ideapad_attributes[] = { &dev_attr_camera_power.attr, + &dev_attr_fan_mode.attr, NULL }; @@ -377,7 +413,10 @@ static umode_t ideapad_is_visible(struct kobject *kobj, if (attr == &dev_attr_camera_power.attr) supported = test_bit(CFG_CAMERA_BIT, &(priv->cfg)); - else + else if (attr == &dev_attr_fan_mode.attr) { + unsigned long value; + supported = !read_ec_data(ideapad_handle, VPCCMD_R_FAN, &value); + } else supported = true; return supported ? attr->mode : 0; @@ -518,9 +557,15 @@ static void ideapad_platform_exit(struct ideapad_private *priv) */ static const struct key_entry ideapad_keymap[] = { { KE_KEY, 6, { KEY_SWITCHVIDEOMODE } }, + { KE_KEY, 7, { KEY_CAMERA } }, + { KE_KEY, 11, { KEY_F16 } }, { KE_KEY, 13, { KEY_WLAN } }, { KE_KEY, 16, { KEY_PROG1 } }, { KE_KEY, 17, { KEY_PROG2 } }, + { KE_KEY, 64, { KEY_PROG3 } }, + { KE_KEY, 65, { KEY_PROG4 } }, + { KE_KEY, 66, { KEY_TOUCHPAD_OFF } }, + { KE_KEY, 67, { KEY_TOUCHPAD_ON } }, { KE_END, 0 }, }; @@ -587,6 +632,28 @@ static void ideapad_input_novokey(struct ideapad_private *priv) ideapad_input_report(priv, 16); } +static void ideapad_check_special_buttons(struct ideapad_private *priv) +{ + unsigned long bit, value; + + read_ec_data(ideapad_handle, VPCCMD_R_SPECIAL_BUTTONS, &value); + + for (bit = 0; bit < 16; bit++) { + if (test_bit(bit, &value)) { + switch (bit) { + case 6: + /* Thermal Management button */ + ideapad_input_report(priv, 65); + break; + case 1: + /* OneKey Theater button */ + ideapad_input_report(priv, 64); + break; + } + } + } +} + /* * backlight */ @@ -691,6 +758,24 @@ static const struct acpi_device_id ideapad_device_ids[] = { }; MODULE_DEVICE_TABLE(acpi, ideapad_device_ids); +static void ideapad_sync_touchpad_state(struct acpi_device *adevice) +{ + struct ideapad_private *priv = dev_get_drvdata(&adevice->dev); + unsigned long value; + + /* Without reading from EC touchpad LED doesn't switch state */ + if (!read_ec_data(adevice->handle, VPCCMD_R_TOUCHPAD, &value)) { + /* Some IdeaPads don't really turn off touchpad - they only + * switch the LED state. We (de)activate KBC AUX port to turn + * touchpad off and on. We send KEY_TOUCHPAD_OFF and + * KEY_TOUCHPAD_ON to not to get out of sync with LED */ + unsigned char param; + i8042_command(¶m, value ? I8042_CMD_AUX_ENABLE : + I8042_CMD_AUX_DISABLE); + ideapad_input_report(priv, value ? 67 : 66); + } +} + static int __devinit ideapad_acpi_add(struct acpi_device *adevice) { int ret, i; @@ -727,6 +812,7 @@ static int __devinit ideapad_acpi_add(struct acpi_device *adevice) priv->rfk[i] = NULL; } ideapad_sync_rfk_state(priv); + ideapad_sync_touchpad_state(adevice); if (!acpi_video_backlight_support()) { ret = ideapad_backlight_init(priv); @@ -785,9 +871,14 @@ static void ideapad_acpi_notify(struct acpi_device *adevice, u32 event) ideapad_sync_rfk_state(priv); break; case 13: + case 11: + case 7: case 6: ideapad_input_report(priv, vpc_bit); break; + case 5: + ideapad_sync_touchpad_state(adevice); + break; case 4: ideapad_backlight_notify_brightness(priv); break; @@ -797,6 +888,9 @@ static void ideapad_acpi_notify(struct acpi_device *adevice, u32 event) case 2: ideapad_backlight_notify_power(priv); break; + case 0: + ideapad_check_special_buttons(priv); + break; default: pr_info("Unknown event: %lu\n", vpc_bit); } @@ -804,6 +898,15 @@ static void ideapad_acpi_notify(struct acpi_device *adevice, u32 event) } } +static int ideapad_acpi_resume(struct device *device) +{ + ideapad_sync_rfk_state(ideapad_priv); + ideapad_sync_touchpad_state(to_acpi_device(device)); + return 0; +} + +static SIMPLE_DEV_PM_OPS(ideapad_pm, NULL, ideapad_acpi_resume); + static struct acpi_driver ideapad_acpi_driver = { .name = "ideapad_acpi", .class = "IdeaPad", @@ -811,6 +914,7 @@ static struct acpi_driver ideapad_acpi_driver = { .ops.add = ideapad_acpi_add, .ops.remove = ideapad_acpi_remove, .ops.notify = ideapad_acpi_notify, + .drv.pm = &ideapad_pm, .owner = THIS_MODULE, }; diff --git a/drivers/platform/x86/msi-laptop.c b/drivers/platform/x86/msi-laptop.c index f6444184431..2111dbb7e1e 100644 --- a/drivers/platform/x86/msi-laptop.c +++ b/drivers/platform/x86/msi-laptop.c @@ -85,7 +85,9 @@ #define MSI_STANDARD_EC_TOUCHPAD_ADDRESS 0xe4 #define MSI_STANDARD_EC_TOUCHPAD_MASK (1 << 4) +#ifdef CONFIG_PM_SLEEP static int msi_laptop_resume(struct device *device); +#endif static SIMPLE_DEV_PM_OPS(msi_laptop_pm, NULL, msi_laptop_resume); #define MSI_STANDARD_EC_DEVICES_EXISTS_ADDRESS 0x2f @@ -753,6 +755,7 @@ err_bluetooth: return retval; } +#ifdef CONFIG_PM_SLEEP static int msi_laptop_resume(struct device *device) { u8 data; @@ -773,6 +776,7 @@ static int msi_laptop_resume(struct device *device) return 0; } +#endif static int __init msi_laptop_input_setup(void) { diff --git a/drivers/platform/x86/panasonic-laptop.c b/drivers/platform/x86/panasonic-laptop.c index 24480074bcf..8e8caa767d6 100644 --- a/drivers/platform/x86/panasonic-laptop.c +++ b/drivers/platform/x86/panasonic-laptop.c @@ -188,7 +188,9 @@ static const struct acpi_device_id pcc_device_ids[] = { }; MODULE_DEVICE_TABLE(acpi, pcc_device_ids); +#ifdef CONFIG_PM_SLEEP static int acpi_pcc_hotkey_resume(struct device *dev); +#endif static SIMPLE_DEV_PM_OPS(acpi_pcc_hotkey_pm, NULL, acpi_pcc_hotkey_resume); static struct acpi_driver acpi_pcc_driver = { @@ -540,6 +542,7 @@ static void acpi_pcc_destroy_input(struct pcc_acpi *pcc) /* kernel module interface */ +#ifdef CONFIG_PM_SLEEP static int acpi_pcc_hotkey_resume(struct device *dev) { struct pcc_acpi *pcc; @@ -556,6 +559,7 @@ static int acpi_pcc_hotkey_resume(struct device *dev) return acpi_pcc_write_sset(pcc, SINF_STICKY_KEY, pcc->sticky_mode); } +#endif static int acpi_pcc_hotkey_add(struct acpi_device *device) { diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c index 9363969ad07..daaddec68de 100644 --- a/drivers/platform/x86/sony-laptop.c +++ b/drivers/platform/x86/sony-laptop.c @@ -140,7 +140,10 @@ MODULE_PARM_DESC(kbd_backlight_timeout, "1 for 30 seconds, 2 for 60 seconds and 3 to disable timeout " "(default: 0)"); +#ifdef CONFIG_PM_SLEEP static void sony_nc_kbd_backlight_resume(void); +static void sony_nc_thermal_resume(void); +#endif static int sony_nc_kbd_backlight_setup(struct platform_device *pd, unsigned int handle); static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd); @@ -151,7 +154,6 @@ static void sony_nc_battery_care_cleanup(struct platform_device *pd); static int sony_nc_thermal_setup(struct platform_device *pd); static void sony_nc_thermal_cleanup(struct platform_device *pd); -static void sony_nc_thermal_resume(void); static int sony_nc_lid_resume_setup(struct platform_device *pd); static void sony_nc_lid_resume_cleanup(struct platform_device *pd); @@ -1431,6 +1433,7 @@ static void sony_nc_function_cleanup(struct platform_device *pd) sony_nc_handles_cleanup(pd); } +#ifdef CONFIG_PM_SLEEP static void sony_nc_function_resume(void) { unsigned int i, result, bitmask, arg; @@ -1508,6 +1511,7 @@ static int sony_nc_resume(struct device *dev) return 0; } +#endif static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume); @@ -1872,6 +1876,7 @@ static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd) } } +#ifdef CONFIG_PM_SLEEP static void sony_nc_kbd_backlight_resume(void) { int ignore = 0; @@ -1888,6 +1893,7 @@ static void sony_nc_kbd_backlight_resume(void) (kbdbl_ctl->base + 0x200) | (kbdbl_ctl->timeout << 0x10), &ignore); } +#endif struct battery_care_control { struct device_attribute attrs[2]; @@ -2210,6 +2216,7 @@ static void sony_nc_thermal_cleanup(struct platform_device *pd) } } +#ifdef CONFIG_PM_SLEEP static void sony_nc_thermal_resume(void) { unsigned int status = sony_nc_thermal_mode_get(); @@ -2217,6 +2224,7 @@ static void sony_nc_thermal_resume(void) if (status != th_handle->mode) sony_nc_thermal_mode_set(th_handle->mode); } +#endif /* resume on LID open */ struct snc_lid_resume_control { @@ -4287,6 +4295,7 @@ err_free_resources: return result; } +#ifdef CONFIG_PM_SLEEP static int sony_pic_suspend(struct device *dev) { if (sony_pic_disable(to_acpi_device(dev))) @@ -4300,6 +4309,7 @@ static int sony_pic_resume(struct device *dev) spic_dev.cur_ioport, spic_dev.cur_irq); return 0; } +#endif static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume); diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index e7f73287636..80e37794931 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -922,6 +922,7 @@ static struct input_dev *tpacpi_inputdev; static struct mutex tpacpi_inputdev_send_mutex; static LIST_HEAD(tpacpi_all_drivers); +#ifdef CONFIG_PM_SLEEP static int tpacpi_suspend_handler(struct device *dev) { struct ibm_struct *ibm, *itmp; @@ -949,6 +950,7 @@ static int tpacpi_resume_handler(struct device *dev) return 0; } +#endif static SIMPLE_DEV_PM_OPS(tpacpi_pm, tpacpi_suspend_handler, tpacpi_resume_handler); @@ -8662,6 +8664,13 @@ static int __must_check __init get_thinkpad_model_data( tp->model_str = kstrdup(s, GFP_KERNEL); if (!tp->model_str) return -ENOMEM; + } else { + s = dmi_get_system_info(DMI_BIOS_VENDOR); + if (s && !(strnicmp(s, "Lenovo", 6))) { + tp->model_str = kstrdup(s, GFP_KERNEL); + if (!tp->model_str) + return -ENOMEM; + } } s = dmi_get_system_info(DMI_PRODUCT_NAME); diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c index c13ba5bac93..5f1256d5e93 100644 --- a/drivers/platform/x86/toshiba_acpi.c +++ b/drivers/platform/x86/toshiba_acpi.c @@ -1296,6 +1296,7 @@ static void toshiba_acpi_notify(struct acpi_device *acpi_dev, u32 event) } } +#ifdef CONFIG_PM_SLEEP static int toshiba_acpi_suspend(struct device *device) { struct toshiba_acpi_dev *dev = acpi_driver_data(to_acpi_device(device)); @@ -1317,6 +1318,7 @@ static int toshiba_acpi_resume(struct device *device) return 0; } +#endif static SIMPLE_DEV_PM_OPS(toshiba_acpi_pm, toshiba_acpi_suspend, toshiba_acpi_resume); diff --git a/drivers/platform/x86/toshiba_bluetooth.c b/drivers/platform/x86/toshiba_bluetooth.c index 715a43cb5e3..5e5d6317d69 100644 --- a/drivers/platform/x86/toshiba_bluetooth.c +++ b/drivers/platform/x86/toshiba_bluetooth.c @@ -41,7 +41,9 @@ static const struct acpi_device_id bt_device_ids[] = { }; MODULE_DEVICE_TABLE(acpi, bt_device_ids); +#ifdef CONFIG_PM_SLEEP static int toshiba_bt_resume(struct device *dev); +#endif static SIMPLE_DEV_PM_OPS(toshiba_bt_pm, NULL, toshiba_bt_resume); static struct acpi_driver toshiba_bt_rfkill_driver = { @@ -90,10 +92,12 @@ static void toshiba_bt_rfkill_notify(struct acpi_device *device, u32 event) toshiba_bluetooth_enable(device->handle); } +#ifdef CONFIG_PM_SLEEP static int toshiba_bt_resume(struct device *dev) { return toshiba_bluetooth_enable(to_acpi_device(dev)->handle); } +#endif static int toshiba_bt_rfkill_add(struct acpi_device *device) { diff --git a/drivers/platform/x86/xo15-ebook.c b/drivers/platform/x86/xo15-ebook.c index 849c07c13bf..38ba39d7ca7 100644 --- a/drivers/platform/x86/xo15-ebook.c +++ b/drivers/platform/x86/xo15-ebook.c @@ -77,10 +77,12 @@ static void ebook_switch_notify(struct acpi_device *device, u32 event) } } +#ifdef CONFIG_PM_SLEEP static int ebook_switch_resume(struct device *dev) { return ebook_send_state(to_acpi_device(dev)); } +#endif static SIMPLE_DEV_PM_OPS(ebook_switch_pm, NULL, ebook_switch_resume); diff --git a/drivers/regulator/ab3100.c b/drivers/regulator/ab3100.c index 182b553059c..c151fd5d8c9 100644 --- a/drivers/regulator/ab3100.c +++ b/drivers/regulator/ab3100.c @@ -486,6 +486,7 @@ ab3100_regulator_desc[AB3100_NUM_REGULATORS] = { .id = AB3100_BUCK, .ops = ®ulator_ops_variable_sleepable, .n_voltages = ARRAY_SIZE(ldo_e_buck_typ_voltages), + .volt_table = ldo_e_buck_typ_voltages, .type = REGULATOR_VOLTAGE, .owner = THIS_MODULE, .enable_time = 1000, diff --git a/drivers/regulator/anatop-regulator.c b/drivers/regulator/anatop-regulator.c index e9c2085f9df..ce0fe72a428 100644 --- a/drivers/regulator/anatop-regulator.c +++ b/drivers/regulator/anatop-regulator.c @@ -64,14 +64,15 @@ static int anatop_set_voltage_sel(struct regulator_dev *reg, unsigned selector) static int anatop_get_voltage_sel(struct regulator_dev *reg) { struct anatop_regulator *anatop_reg = rdev_get_drvdata(reg); - u32 val; + u32 val, mask; if (!anatop_reg->control_reg) return -ENOTSUPP; val = anatop_read_reg(anatop_reg->mfd, anatop_reg->control_reg); - val = (val & ((1 << anatop_reg->vol_bit_width) - 1)) >> + mask = ((1 << anatop_reg->vol_bit_width) - 1) << anatop_reg->vol_bit_shift; + val = (val & mask) >> anatop_reg->vol_bit_shift; return val - anatop_reg->min_bit_val; } diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index f092588a078..48385318175 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -3217,7 +3217,7 @@ regulator_register(const struct regulator_desc *regulator_desc, dev_set_drvdata(&rdev->dev, rdev); - if (config->ena_gpio) { + if (config->ena_gpio && gpio_is_valid(config->ena_gpio)) { ret = gpio_request_one(config->ena_gpio, GPIOF_DIR_OUT | config->ena_gpio_flags, rdev_get_name(rdev)); diff --git a/drivers/regulator/gpio-regulator.c b/drivers/regulator/gpio-regulator.c index 34b67bee932..8b5944f2d7d 100644 --- a/drivers/regulator/gpio-regulator.c +++ b/drivers/regulator/gpio-regulator.c @@ -57,16 +57,17 @@ static int gpio_regulator_get_value(struct regulator_dev *dev) return -EINVAL; } -static int gpio_regulator_set_value(struct regulator_dev *dev, - int min, int max, unsigned *selector) +static int gpio_regulator_set_voltage(struct regulator_dev *dev, + int min_uV, int max_uV, + unsigned *selector) { struct gpio_regulator_data *data = rdev_get_drvdata(dev); int ptr, target = 0, state, best_val = INT_MAX; for (ptr = 0; ptr < data->nr_states; ptr++) if (data->states[ptr].value < best_val && - data->states[ptr].value >= min && - data->states[ptr].value <= max) { + data->states[ptr].value >= min_uV && + data->states[ptr].value <= max_uV) { target = data->states[ptr].gpios; best_val = data->states[ptr].value; if (selector) @@ -85,13 +86,6 @@ static int gpio_regulator_set_value(struct regulator_dev *dev, return 0; } -static int gpio_regulator_set_voltage(struct regulator_dev *dev, - int min_uV, int max_uV, - unsigned *selector) -{ - return gpio_regulator_set_value(dev, min_uV, max_uV, selector); -} - static int gpio_regulator_list_voltage(struct regulator_dev *dev, unsigned selector) { @@ -106,7 +100,27 @@ static int gpio_regulator_list_voltage(struct regulator_dev *dev, static int gpio_regulator_set_current_limit(struct regulator_dev *dev, int min_uA, int max_uA) { - return gpio_regulator_set_value(dev, min_uA, max_uA, NULL); + struct gpio_regulator_data *data = rdev_get_drvdata(dev); + int ptr, target = 0, state, best_val = 0; + + for (ptr = 0; ptr < data->nr_states; ptr++) + if (data->states[ptr].value > best_val && + data->states[ptr].value >= min_uA && + data->states[ptr].value <= max_uA) { + target = data->states[ptr].gpios; + best_val = data->states[ptr].value; + } + + if (best_val == 0) + return -EINVAL; + + for (ptr = 0; ptr < data->nr_gpios; ptr++) { + state = (target & (1 << ptr)) >> ptr; + gpio_set_value(data->gpios[ptr].gpio, state); + } + data->state = target; + + return 0; } static struct regulator_ops gpio_regulator_voltage_ops = { diff --git a/drivers/regulator/palmas-regulator.c b/drivers/regulator/palmas-regulator.c index 17d19fbbc49..46c7e88f838 100644 --- a/drivers/regulator/palmas-regulator.c +++ b/drivers/regulator/palmas-regulator.c @@ -486,9 +486,12 @@ static int palmas_map_voltage_ldo(struct regulator_dev *rdev, { int ret, voltage; - ret = ((min_uV - 900000) / 50000) + 1; - if (ret < 0) - return ret; + if (min_uV == 0) + return 0; + + if (min_uV < 900000) + min_uV = 900000; + ret = DIV_ROUND_UP(min_uV - 900000, 50000) + 1; /* Map back into a voltage to verify we're still in bounds */ voltage = palmas_list_voltage_ldo(rdev, ret); @@ -586,7 +589,7 @@ static int palmas_ldo_init(struct palmas *palmas, int id, addr = palmas_regs_info[id].ctrl_addr; - ret = palmas_smps_read(palmas, addr, ®); + ret = palmas_ldo_read(palmas, addr, ®); if (ret) return ret; @@ -596,7 +599,7 @@ static int palmas_ldo_init(struct palmas *palmas, int id, if (reg_init->mode_sleep) reg |= PALMAS_LDO1_CTRL_MODE_SLEEP; - ret = palmas_smps_write(palmas, addr, reg); + ret = palmas_ldo_write(palmas, addr, reg); if (ret) return ret; @@ -630,7 +633,7 @@ static __devinit int palmas_probe(struct platform_device *pdev) ret = palmas_smps_read(palmas, PALMAS_SMPS_CTRL, ®); if (ret) - goto err_unregister_regulator; + return ret; if (reg & PALMAS_SMPS_CTRL_SMPS12_SMPS123_EN) pmic->smps123 = 1; @@ -676,7 +679,9 @@ static __devinit int palmas_probe(struct platform_device *pdev) case PALMAS_REG_SMPS10: pmic->desc[id].n_voltages = PALMAS_SMPS10_NUM_VOLTAGES; pmic->desc[id].ops = &palmas_ops_smps10; - pmic->desc[id].vsel_reg = PALMAS_SMPS10_CTRL; + pmic->desc[id].vsel_reg = + PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, + PALMAS_SMPS10_CTRL); pmic->desc[id].vsel_mask = SMPS10_VSEL; pmic->desc[id].enable_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, @@ -778,8 +783,10 @@ static __devinit int palmas_probe(struct platform_device *pdev) reg_init = pdata->reg_init[id]; if (reg_init) { ret = palmas_ldo_init(palmas, id, reg_init); - if (ret) + if (ret) { + regulator_unregister(pmic->rdev[id]); goto err_unregister_regulator; + } } } } diff --git a/drivers/regulator/tps6586x-regulator.c b/drivers/regulator/tps6586x-regulator.c index e6da90ab515..19241fc3005 100644 --- a/drivers/regulator/tps6586x-regulator.c +++ b/drivers/regulator/tps6586x-regulator.c @@ -240,14 +240,16 @@ static struct tps6586x_regulator tps6586x_regulator[] = { TPS6586X_LDO(LDO_9, "vinldo9", ldo, SUPPLYV6, 3, 3, ENE, 7, ENE, 7), TPS6586X_LDO(LDO_RTC, NULL, ldo, SUPPLYV4, 3, 3, V4, 7, V4, 7), TPS6586X_LDO(LDO_1, "vinldo01", dvm, SUPPLYV1, 0, 5, ENC, 1, END, 1), - TPS6586X_LDO(SM_2, "sm2", sm2, SUPPLYV2, 0, 5, ENC, 7, END, 7), + TPS6586X_LDO(SM_2, "vin-sm2", sm2, SUPPLYV2, 0, 5, ENC, 7, END, 7), TPS6586X_DVM(LDO_2, "vinldo23", dvm, LDO2BV1, 0, 5, ENA, 3, ENB, 3, VCC2, 6), TPS6586X_DVM(LDO_4, "vinldo4", ldo4, LDO4V1, 0, 5, ENC, 3, END, 3, VCC1, 6), - TPS6586X_DVM(SM_0, "sm0", dvm, SM0V1, 0, 5, ENA, 1, ENB, 1, VCC1, 2), - TPS6586X_DVM(SM_1, "sm1", dvm, SM1V1, 0, 5, ENA, 0, ENB, 0, VCC1, 0), + TPS6586X_DVM(SM_0, "vin-sm0", dvm, SM0V1, 0, 5, ENA, 1, + ENB, 1, VCC1, 2), + TPS6586X_DVM(SM_1, "vin-sm1", dvm, SM1V1, 0, 5, ENA, 0, + ENB, 0, VCC1, 0), }; /* diff --git a/drivers/regulator/twl-regulator.c b/drivers/regulator/twl-regulator.c index 242fe90dc56..77a71a5c17c 100644 --- a/drivers/regulator/twl-regulator.c +++ b/drivers/regulator/twl-regulator.c @@ -1037,7 +1037,7 @@ TWL6025_ADJUSTABLE_LDO(LDO7, 0x74, 1000, 3300); TWL6025_ADJUSTABLE_LDO(LDO6, 0x60, 1000, 3300); TWL6025_ADJUSTABLE_LDO(LDOLN, 0x64, 1000, 3300); TWL6025_ADJUSTABLE_LDO(LDOUSB, 0x70, 1000, 3300); -TWL4030_FIXED_LDO(VINTANA2, 0x3f, 1500, 11, 100, 0x08); +TWL4030_FIXED_LDO(VINTANA1, 0x3f, 1500, 11, 100, 0x08); TWL4030_FIXED_LDO(VINTDIG, 0x47, 1500, 13, 100, 0x08); TWL4030_FIXED_LDO(VUSB1V5, 0x71, 1500, 17, 100, 0x08); TWL4030_FIXED_LDO(VUSB1V8, 0x74, 1800, 18, 100, 0x08); @@ -1048,7 +1048,6 @@ TWL6030_FIXED_LDO(VDAC, 0x64, 1800, 0); TWL6030_FIXED_LDO(VUSB, 0x70, 3300, 0); TWL6030_FIXED_LDO(V1V8, 0x16, 1800, 0); TWL6030_FIXED_LDO(V2V1, 0x1c, 2100, 0); -TWL6030_FIXED_RESOURCE(CLK32KG, 0x8C, 0); TWL6025_ADJUSTABLE_SMPS(SMPS3, 0x34); TWL6025_ADJUSTABLE_SMPS(SMPS4, 0x10); TWL6025_ADJUSTABLE_SMPS(VIO, 0x16); @@ -1117,7 +1116,7 @@ static const struct of_device_id twl_of_match[] __devinitconst = { TWL6025_OF_MATCH("ti,twl6025-ldo6", LDO6), TWL6025_OF_MATCH("ti,twl6025-ldoln", LDOLN), TWL6025_OF_MATCH("ti,twl6025-ldousb", LDOUSB), - TWLFIXED_OF_MATCH("ti,twl4030-vintana2", VINTANA2), + TWLFIXED_OF_MATCH("ti,twl4030-vintana1", VINTANA1), TWLFIXED_OF_MATCH("ti,twl4030-vintdig", VINTDIG), TWLFIXED_OF_MATCH("ti,twl4030-vusb1v5", VUSB1V5), TWLFIXED_OF_MATCH("ti,twl4030-vusb1v8", VUSB1V8), diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c index eb415bd7649..9592b936b71 100644 --- a/drivers/rtc/interface.c +++ b/drivers/rtc/interface.c @@ -582,6 +582,7 @@ enum hrtimer_restart rtc_pie_update_irq(struct hrtimer *timer) void rtc_update_irq(struct rtc_device *rtc, unsigned long num, unsigned long events) { + pm_stay_awake(rtc->dev.parent); schedule_work(&rtc->irqwork); } EXPORT_SYMBOL_GPL(rtc_update_irq); @@ -844,6 +845,7 @@ void rtc_timer_do_work(struct work_struct *work) mutex_lock(&rtc->ops_lock); again: + pm_relax(rtc->dev.parent); __rtc_read_time(rtc, &tm); now = rtc_tm_to_ktime(tm); while ((next = timerqueue_getnext(&rtc->timerqueue))) { diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c index 132333d7540..4267789ca99 100644 --- a/drivers/rtc/rtc-cmos.c +++ b/drivers/rtc/rtc-cmos.c @@ -568,7 +568,6 @@ static irqreturn_t cmos_interrupt(int irq, void *p) hpet_mask_rtc_irq_bit(RTC_AIE); CMOS_READ(RTC_INTR_FLAGS); - pm_wakeup_event(cmos_rtc.dev, 0); } spin_unlock(&rtc_lock); diff --git a/drivers/s390/char/sclp_sdias.c b/drivers/s390/char/sclp_sdias.c index 6a6f76bf6e3..b1032931a1c 100644 --- a/drivers/s390/char/sclp_sdias.c +++ b/drivers/s390/char/sclp_sdias.c @@ -242,11 +242,13 @@ int sclp_sdias_copy(void *dest, int start_blk, int nr_blks) switch (sdias_evbuf.event_status) { case EVSTATE_ALL_STORED: TRACE("all stored\n"); + break; case EVSTATE_PART_STORED: TRACE("part stored: %i\n", sdias_evbuf.blk_cnt); break; case EVSTATE_NO_DATA: TRACE("no data\n"); + /* fall through */ default: pr_err("Error from SCLP while copying hsa. " "Event status = %x\n", diff --git a/drivers/sh/intc/core.c b/drivers/sh/intc/core.c index 2374468615e..32c26d795ed 100644 --- a/drivers/sh/intc/core.c +++ b/drivers/sh/intc/core.c @@ -324,8 +324,16 @@ int __init register_intc_controller(struct intc_desc *desc) res = irq_create_identity_mapping(d->domain, irq); if (unlikely(res)) { - pr_err("can't get irq_desc for %d\n", irq); - continue; + if (res == -EEXIST) { + res = irq_domain_associate(d->domain, irq, irq); + if (unlikely(res)) { + pr_err("domain association failure\n"); + continue; + } + } else { + pr_err("can't identity map IRQ %d\n", irq); + continue; + } } intc_irq_xlate_set(irq, vect->enum_id, d); @@ -345,8 +353,19 @@ int __init register_intc_controller(struct intc_desc *desc) */ res = irq_create_identity_mapping(d->domain, irq2); if (unlikely(res)) { - pr_err("can't get irq_desc for %d\n", irq2); - continue; + if (res == -EEXIST) { + res = irq_domain_associate(d->domain, + irq, irq); + if (unlikely(res)) { + pr_err("domain association " + "failure\n"); + continue; + } + } else { + pr_err("can't identity map IRQ %d\n", + irq); + continue; + } } vect2->enum_id = 0; diff --git a/drivers/spi/spi-bcm63xx.c b/drivers/spi/spi-bcm63xx.c index 6e25ef1bce9..ea0aaa3f13d 100644 --- a/drivers/spi/spi-bcm63xx.c +++ b/drivers/spi/spi-bcm63xx.c @@ -438,7 +438,7 @@ out: static int __devexit bcm63xx_spi_remove(struct platform_device *pdev) { - struct spi_master *master = platform_get_drvdata(pdev); + struct spi_master *master = spi_master_get(platform_get_drvdata(pdev)); struct bcm63xx_spi *bs = spi_master_get_devdata(master); spi_unregister_master(master); @@ -452,6 +452,8 @@ static int __devexit bcm63xx_spi_remove(struct platform_device *pdev) platform_set_drvdata(pdev, 0); + spi_master_put(master); + return 0; } diff --git a/drivers/spi/spi-coldfire-qspi.c b/drivers/spi/spi-coldfire-qspi.c index b2d4b9e4e01..764bfee7592 100644 --- a/drivers/spi/spi-coldfire-qspi.c +++ b/drivers/spi/spi-coldfire-qspi.c @@ -533,7 +533,6 @@ static int __devexit mcfqspi_remove(struct platform_device *pdev) iounmap(mcfqspi->iobase); release_mem_region(res->start, resource_size(res)); spi_unregister_master(master); - spi_master_put(master); return 0; } @@ -541,7 +540,7 @@ static int __devexit mcfqspi_remove(struct platform_device *pdev) #ifdef CONFIG_PM_SLEEP static int mcfqspi_suspend(struct device *dev) { - struct spi_master *master = spi_master_get(dev_get_drvdata(dev)); + struct spi_master *master = dev_get_drvdata(dev); struct mcfqspi *mcfqspi = spi_master_get_devdata(master); spi_master_suspend(master); @@ -553,7 +552,7 @@ static int mcfqspi_suspend(struct device *dev) static int mcfqspi_resume(struct device *dev) { - struct spi_master *master = spi_master_get(dev_get_drvdata(dev)); + struct spi_master *master = dev_get_drvdata(dev); struct mcfqspi *mcfqspi = spi_master_get_devdata(master); spi_master_resume(master); diff --git a/drivers/spi/spi-omap2-mcspi.c b/drivers/spi/spi-omap2-mcspi.c index bc4778175e3..b2fb141da37 100644 --- a/drivers/spi/spi-omap2-mcspi.c +++ b/drivers/spi/spi-omap2-mcspi.c @@ -1228,18 +1228,16 @@ static int __devinit omap2_mcspi_probe(struct platform_device *pdev) status = spi_register_master(master); if (status < 0) - goto err_spi_register; + goto disable_pm; return status; -err_spi_register: - spi_master_put(master); disable_pm: pm_runtime_disable(&pdev->dev); dma_chnl_free: kfree(mcspi->dma_channels); free_master: - kfree(master); + spi_master_put(master); platform_set_drvdata(pdev, NULL); return status; } diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c index aab518ec2bb..6abbe23c39b 100644 --- a/drivers/spi/spi-pl022.c +++ b/drivers/spi/spi-pl022.c @@ -2053,7 +2053,6 @@ pl022_probe(struct amba_device *adev, const struct amba_id *id) printk(KERN_INFO "pl022: mapped registers from 0x%08x to %p\n", adev->res.start, pl022->virtbase); - pm_runtime_enable(dev); pm_runtime_resume(dev); pl022->clk = clk_get(&adev->dev, NULL); diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c index 646a7657fe6..d1c8441f638 100644 --- a/drivers/spi/spi-s3c64xx.c +++ b/drivers/spi/spi-s3c64xx.c @@ -826,7 +826,7 @@ static struct s3c64xx_spi_csinfo *s3c64xx_get_slave_ctrldata( struct spi_device *spi) { struct s3c64xx_spi_csinfo *cs; - struct device_node *slave_np, *data_np; + struct device_node *slave_np, *data_np = NULL; u32 fb_delay = 0; slave_np = spi->dev.of_node; @@ -1479,40 +1479,40 @@ static const struct dev_pm_ops s3c64xx_spi_pm = { s3c64xx_spi_runtime_resume, NULL) }; -struct s3c64xx_spi_port_config s3c2443_spi_port_config = { +static struct s3c64xx_spi_port_config s3c2443_spi_port_config = { .fifo_lvl_mask = { 0x7f }, .rx_lvl_offset = 13, .tx_st_done = 21, .high_speed = true, }; -struct s3c64xx_spi_port_config s3c6410_spi_port_config = { +static struct s3c64xx_spi_port_config s3c6410_spi_port_config = { .fifo_lvl_mask = { 0x7f, 0x7F }, .rx_lvl_offset = 13, .tx_st_done = 21, }; -struct s3c64xx_spi_port_config s5p64x0_spi_port_config = { +static struct s3c64xx_spi_port_config s5p64x0_spi_port_config = { .fifo_lvl_mask = { 0x1ff, 0x7F }, .rx_lvl_offset = 15, .tx_st_done = 25, }; -struct s3c64xx_spi_port_config s5pc100_spi_port_config = { +static struct s3c64xx_spi_port_config s5pc100_spi_port_config = { .fifo_lvl_mask = { 0x7f, 0x7F }, .rx_lvl_offset = 13, .tx_st_done = 21, .high_speed = true, }; -struct s3c64xx_spi_port_config s5pv210_spi_port_config = { +static struct s3c64xx_spi_port_config s5pv210_spi_port_config = { .fifo_lvl_mask = { 0x1ff, 0x7F }, .rx_lvl_offset = 15, .tx_st_done = 25, .high_speed = true, }; -struct s3c64xx_spi_port_config exynos4_spi_port_config = { +static struct s3c64xx_spi_port_config exynos4_spi_port_config = { .fifo_lvl_mask = { 0x1ff, 0x7F, 0x7F }, .rx_lvl_offset = 15, .tx_st_done = 25, diff --git a/drivers/staging/comedi/drivers.c b/drivers/staging/comedi/drivers.c index c0fdb00783e..2359151af7e 100644 --- a/drivers/staging/comedi/drivers.c +++ b/drivers/staging/comedi/drivers.c @@ -168,7 +168,7 @@ int comedi_device_attach(struct comedi_device *dev, struct comedi_devconfig *it) dev->board_ptr = comedi_recognize(driv, it->board_name); if (dev->board_ptr) break; - } else if (strcmp(driv->driver_name, it->board_name)) + } else if (strcmp(driv->driver_name, it->board_name) == 0) break; module_put(driv->module); } diff --git a/drivers/staging/comedi/drivers/adv_pci1710.c b/drivers/staging/comedi/drivers/adv_pci1710.c index 31986608eaf..6b4d0d68e63 100644 --- a/drivers/staging/comedi/drivers/adv_pci1710.c +++ b/drivers/staging/comedi/drivers/adv_pci1710.c @@ -1349,9 +1349,6 @@ static struct pci_dev *pci1710_find_pci_dev(struct comedi_device *dev, } if (pcidev->vendor != PCI_VENDOR_ID_ADVANTECH) continue; - if (pci_is_enabled(pcidev)) - continue; - if (strcmp(this_board->name, DRV_NAME) == 0) { for (i = 0; i < ARRAY_SIZE(boardtypes); ++i) { if (pcidev->device == boardtypes[i].device_id) { diff --git a/drivers/staging/comedi/drivers/adv_pci1723.c b/drivers/staging/comedi/drivers/adv_pci1723.c index da5ee69d2c9..dfde0f6328d 100644 --- a/drivers/staging/comedi/drivers/adv_pci1723.c +++ b/drivers/staging/comedi/drivers/adv_pci1723.c @@ -301,8 +301,6 @@ static struct pci_dev *pci1723_find_pci_dev(struct comedi_device *dev, } if (pcidev->vendor != PCI_VENDOR_ID_ADVANTECH) continue; - if (pci_is_enabled(pcidev)) - continue; return pcidev; } dev_err(dev->class_dev, diff --git a/drivers/staging/comedi/drivers/adv_pci_dio.c b/drivers/staging/comedi/drivers/adv_pci_dio.c index 97f06dc8e48..2d4cb7f638b 100644 --- a/drivers/staging/comedi/drivers/adv_pci_dio.c +++ b/drivers/staging/comedi/drivers/adv_pci_dio.c @@ -1064,8 +1064,6 @@ static struct pci_dev *pci_dio_find_pci_dev(struct comedi_device *dev, slot != PCI_SLOT(pcidev->devfn)) continue; } - if (pci_is_enabled(pcidev)) - continue; for (i = 0; i < ARRAY_SIZE(boardtypes); ++i) { if (boardtypes[i].vendor_id != pcidev->vendor) continue; diff --git a/drivers/staging/comedi/drivers/daqboard2000.c b/drivers/staging/comedi/drivers/daqboard2000.c index ef28385c148..cad559a1a73 100644 --- a/drivers/staging/comedi/drivers/daqboard2000.c +++ b/drivers/staging/comedi/drivers/daqboard2000.c @@ -718,7 +718,8 @@ static struct pci_dev *daqboard2000_find_pci_dev(struct comedi_device *dev, continue; } if (pcidev->vendor != PCI_VENDOR_ID_IOTECH || - pcidev->device != 0x0409) + pcidev->device != 0x0409 || + pcidev->subsystem_device != PCI_VENDOR_ID_IOTECH) continue; for (i = 0; i < ARRAY_SIZE(boardtypes); i++) { @@ -739,6 +740,7 @@ static int daqboard2000_attach(struct comedi_device *dev, { struct pci_dev *pcidev; struct comedi_subdevice *s; + resource_size_t pci_base; void *aux_data; unsigned int aux_len; int result; @@ -758,11 +760,12 @@ static int daqboard2000_attach(struct comedi_device *dev, "failed to enable PCI device and request regions\n"); return -EIO; } - dev->iobase = pci_resource_start(pcidev, 2); + dev->iobase = 1; /* the "detach" needs this */ - devpriv->plx = - ioremap(pci_resource_start(pcidev, 0), DAQBOARD2000_PLX_SIZE); - devpriv->daq = ioremap(dev->iobase, DAQBOARD2000_DAQ_SIZE); + pci_base = pci_resource_start(pcidev, 0); + devpriv->plx = ioremap(pci_base, DAQBOARD2000_PLX_SIZE); + pci_base = pci_resource_start(pcidev, 2); + devpriv->daq = ioremap(pci_base, DAQBOARD2000_DAQ_SIZE); if (!devpriv->plx || !devpriv->daq) return -ENOMEM; @@ -799,8 +802,6 @@ static int daqboard2000_attach(struct comedi_device *dev, printk("Interrupt after is: %x\n", interrupt); */ - dev->iobase = (unsigned long)devpriv->daq; - dev->board_name = this_board->name; s = dev->subdevices + 0; @@ -824,7 +825,7 @@ static int daqboard2000_attach(struct comedi_device *dev, s = dev->subdevices + 2; result = subdev_8255_init(dev, s, daqboard2000_8255_cb, - (unsigned long)(dev->iobase + 0x40)); + (unsigned long)(devpriv->daq + 0x40)); out: return result; diff --git a/drivers/staging/comedi/drivers/dt3000.c b/drivers/staging/comedi/drivers/dt3000.c index a6fe6c9be87..3476cda0fff 100644 --- a/drivers/staging/comedi/drivers/dt3000.c +++ b/drivers/staging/comedi/drivers/dt3000.c @@ -804,6 +804,7 @@ static int dt3000_attach(struct comedi_device *dev, struct comedi_devconfig *it) { struct pci_dev *pcidev; struct comedi_subdevice *s; + resource_size_t pci_base; int ret = 0; dev_dbg(dev->class_dev, "dt3000:\n"); @@ -820,9 +821,10 @@ static int dt3000_attach(struct comedi_device *dev, struct comedi_devconfig *it) ret = comedi_pci_enable(pcidev, "dt3000"); if (ret < 0) return ret; + dev->iobase = 1; /* the "detach" needs this */ - dev->iobase = pci_resource_start(pcidev, 0); - devpriv->io_addr = ioremap(dev->iobase, DT3000_SIZE); + pci_base = pci_resource_start(pcidev, 0); + devpriv->io_addr = ioremap(pci_base, DT3000_SIZE); if (!devpriv->io_addr) return -ENOMEM; diff --git a/drivers/staging/comedi/drivers/rtd520.c b/drivers/staging/comedi/drivers/rtd520.c index 112fdc3e9c6..5aa8be1e7b9 100644 --- a/drivers/staging/comedi/drivers/rtd520.c +++ b/drivers/staging/comedi/drivers/rtd520.c @@ -1619,9 +1619,8 @@ static int rtd_attach(struct comedi_device *dev, struct comedi_devconfig *it) struct rtdPrivate *devpriv; struct pci_dev *pcidev; struct comedi_subdevice *s; + resource_size_t pci_base; int ret; - resource_size_t physLas1; /* data area */ - resource_size_t physLcfg; /* PLX9080 */ #ifdef USE_DMA int index; #endif @@ -1655,20 +1654,15 @@ static int rtd_attach(struct comedi_device *dev, struct comedi_devconfig *it) printk(KERN_INFO "Failed to enable PCI device and request regions.\n"); return ret; } - - /* - * Initialize base addresses - */ - /* Get the physical address from PCI config */ - dev->iobase = pci_resource_start(pcidev, LAS0_PCIINDEX); - physLas1 = pci_resource_start(pcidev, LAS1_PCIINDEX); - physLcfg = pci_resource_start(pcidev, LCFG_PCIINDEX); - /* Now have the kernel map this into memory */ - /* ASSUME page aligned */ - devpriv->las0 = ioremap_nocache(dev->iobase, LAS0_PCISIZE); - devpriv->las1 = ioremap_nocache(physLas1, LAS1_PCISIZE); - devpriv->lcfg = ioremap_nocache(physLcfg, LCFG_PCISIZE); - + dev->iobase = 1; /* the "detach" needs this */ + + /* Initialize the base addresses */ + pci_base = pci_resource_start(pcidev, LAS0_PCIINDEX); + devpriv->las0 = ioremap_nocache(pci_base, LAS0_PCISIZE); + pci_base = pci_resource_start(pcidev, LAS1_PCIINDEX); + devpriv->las1 = ioremap_nocache(pci_base, LAS1_PCISIZE); + pci_base = pci_resource_start(pcidev, LCFG_PCIINDEX); + devpriv->lcfg = ioremap_nocache(pci_base, LCFG_PCISIZE); if (!devpriv->las0 || !devpriv->las1 || !devpriv->lcfg) return -ENOMEM; diff --git a/drivers/staging/comedi/drivers/usbdux.c b/drivers/staging/comedi/drivers/usbdux.c index 848c7ec0697..11ee83681da 100644 --- a/drivers/staging/comedi/drivers/usbdux.c +++ b/drivers/staging/comedi/drivers/usbdux.c @@ -102,6 +102,7 @@ sampling rate. If you sample two channels you get 4kHz and so on. #define BULK_TIMEOUT 1000 /* constants for "firmware" upload and download */ +#define FIRMWARE "usbdux_firmware.bin" #define USBDUXSUB_FIRMWARE 0xA0 #define VENDOR_DIR_IN 0xC0 #define VENDOR_DIR_OUT 0x40 @@ -2791,7 +2792,7 @@ static int usbdux_usb_probe(struct usb_interface *uinterf, ret = request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG, - "usbdux_firmware.bin", + FIRMWARE, &udev->dev, GFP_KERNEL, usbduxsub + index, @@ -2850,3 +2851,4 @@ module_comedi_usb_driver(usbdux_driver, usbdux_usb_driver); MODULE_AUTHOR("Bernd Porr, BerndPorr@f2s.com"); MODULE_DESCRIPTION("Stirling/ITL USB-DUX -- Bernd.Porr@f2s.com"); MODULE_LICENSE("GPL"); +MODULE_FIRMWARE(FIRMWARE); diff --git a/drivers/staging/comedi/drivers/usbduxfast.c b/drivers/staging/comedi/drivers/usbduxfast.c index d9911588c10..8eb41257c6c 100644 --- a/drivers/staging/comedi/drivers/usbduxfast.c +++ b/drivers/staging/comedi/drivers/usbduxfast.c @@ -57,6 +57,7 @@ /* * constants for "firmware" upload and download */ +#define FIRMWARE "usbduxfast_firmware.bin" #define USBDUXFASTSUB_FIRMWARE 0xA0 #define VENDOR_DIR_IN 0xC0 #define VENDOR_DIR_OUT 0x40 @@ -1706,7 +1707,7 @@ static int usbduxfast_usb_probe(struct usb_interface *uinterf, ret = request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG, - "usbduxfast_firmware.bin", + FIRMWARE, &udev->dev, GFP_KERNEL, usbduxfastsub + index, @@ -1774,3 +1775,4 @@ module_comedi_usb_driver(usbduxfast_driver, usbduxfast_usb_driver); MODULE_AUTHOR("Bernd Porr, BerndPorr@f2s.com"); MODULE_DESCRIPTION("USB-DUXfast, BerndPorr@f2s.com"); MODULE_LICENSE("GPL"); +MODULE_FIRMWARE(FIRMWARE); diff --git a/drivers/staging/comedi/drivers/usbduxsigma.c b/drivers/staging/comedi/drivers/usbduxsigma.c index 543e604791e..f54ab8c2fcf 100644 --- a/drivers/staging/comedi/drivers/usbduxsigma.c +++ b/drivers/staging/comedi/drivers/usbduxsigma.c @@ -63,6 +63,7 @@ Status: testing #define BULK_TIMEOUT 1000 /* constants for "firmware" upload and download */ +#define FIRMWARE "usbduxsigma_firmware.bin" #define USBDUXSUB_FIRMWARE 0xA0 #define VENDOR_DIR_IN 0xC0 #define VENDOR_DIR_OUT 0x40 @@ -2780,7 +2781,7 @@ static int usbduxsigma_usb_probe(struct usb_interface *uinterf, ret = request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG, - "usbduxsigma_firmware.bin", + FIRMWARE, &udev->dev, GFP_KERNEL, usbduxsub + index, @@ -2845,3 +2846,4 @@ module_comedi_usb_driver(usbduxsigma_driver, usbduxsigma_usb_driver); MODULE_AUTHOR("Bernd Porr, BerndPorr@f2s.com"); MODULE_DESCRIPTION("Stirling/ITL USB-DUX SIGMA -- Bernd.Porr@f2s.com"); MODULE_LICENSE("GPL"); +MODULE_FIRMWARE(FIRMWARE); diff --git a/drivers/staging/csr/Kconfig b/drivers/staging/csr/Kconfig index cee8d48d2af..ad2a1096e92 100644 --- a/drivers/staging/csr/Kconfig +++ b/drivers/staging/csr/Kconfig @@ -1,6 +1,6 @@ config CSR_WIFI tristate "CSR wireless driver" - depends on MMC && CFG80211_WEXT + depends on MMC && CFG80211_WEXT && INET select WIRELESS_EXT select WEXT_PRIV help diff --git a/drivers/staging/iio/adc/ad7192.c b/drivers/staging/iio/adc/ad7192.c index 22c3923d55e..095837285f4 100644 --- a/drivers/staging/iio/adc/ad7192.c +++ b/drivers/staging/iio/adc/ad7192.c @@ -754,7 +754,7 @@ static ssize_t ad7192_set(struct device *dev, else st->mode &= ~AD7192_MODE_ACX; - ad7192_write_reg(st, AD7192_REG_GPOCON, 3, st->mode); + ad7192_write_reg(st, AD7192_REG_MODE, 3, st->mode); break; default: ret = -EINVAL; @@ -798,6 +798,11 @@ static const struct attribute_group ad7195_attribute_group = { .attrs = ad7195_attributes, }; +static unsigned int ad7192_get_temp_scale(bool unipolar) +{ + return unipolar ? 2815 * 2 : 2815; +} + static int ad7192_read_raw(struct iio_dev *indio_dev, struct iio_chan_spec const *chan, int *val, @@ -824,19 +829,6 @@ static int ad7192_read_raw(struct iio_dev *indio_dev, *val = (smpl >> chan->scan_type.shift) & ((1 << (chan->scan_type.realbits)) - 1); - switch (chan->type) { - case IIO_VOLTAGE: - if (!unipolar) - *val -= (1 << (chan->scan_type.realbits - 1)); - break; - case IIO_TEMP: - *val -= 0x800000; - *val /= 2815; /* temp Kelvin */ - *val -= 273; /* temp Celsius */ - break; - default: - return -EINVAL; - } return IIO_VAL_INT; case IIO_CHAN_INFO_SCALE: @@ -848,11 +840,21 @@ static int ad7192_read_raw(struct iio_dev *indio_dev, mutex_unlock(&indio_dev->mlock); return IIO_VAL_INT_PLUS_NANO; case IIO_TEMP: - *val = 1000; - return IIO_VAL_INT; + *val = 0; + *val2 = 1000000000 / ad7192_get_temp_scale(unipolar); + return IIO_VAL_INT_PLUS_NANO; default: return -EINVAL; } + case IIO_CHAN_INFO_OFFSET: + if (!unipolar) + *val = -(1 << (chan->scan_type.realbits - 1)); + else + *val = 0; + /* Kelvin to Celsius */ + if (chan->type == IIO_TEMP) + *val -= 273 * ad7192_get_temp_scale(unipolar); + return IIO_VAL_INT; } return -EINVAL; @@ -890,7 +892,7 @@ static int ad7192_write_raw(struct iio_dev *indio_dev, } ret = 0; } - + break; default: ret = -EINVAL; } @@ -942,20 +944,22 @@ static const struct iio_info ad7195_info = { .channel = _chan, \ .channel2 = _chan2, \ .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ - IIO_CHAN_INFO_SCALE_SHARED_BIT, \ + IIO_CHAN_INFO_SCALE_SHARED_BIT | \ + IIO_CHAN_INFO_OFFSET_SHARED_BIT, \ .address = _address, \ .scan_index = _si, \ - .scan_type = IIO_ST('s', 24, 32, 0)} + .scan_type = IIO_ST('u', 24, 32, 0)} #define AD7192_CHAN(_chan, _address, _si) \ { .type = IIO_VOLTAGE, \ .indexed = 1, \ .channel = _chan, \ .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ - IIO_CHAN_INFO_SCALE_SHARED_BIT, \ + IIO_CHAN_INFO_SCALE_SHARED_BIT | \ + IIO_CHAN_INFO_OFFSET_SHARED_BIT, \ .address = _address, \ .scan_index = _si, \ - .scan_type = IIO_ST('s', 24, 32, 0)} + .scan_type = IIO_ST('u', 24, 32, 0)} #define AD7192_CHAN_TEMP(_chan, _address, _si) \ { .type = IIO_TEMP, \ @@ -965,7 +969,7 @@ static const struct iio_info ad7195_info = { IIO_CHAN_INFO_SCALE_SEPARATE_BIT, \ .address = _address, \ .scan_index = _si, \ - .scan_type = IIO_ST('s', 24, 32, 0)} + .scan_type = IIO_ST('u', 24, 32, 0)} static struct iio_chan_spec ad7192_channels[] = { AD7192_CHAN_DIFF(1, 2, NULL, AD7192_CH_AIN1P_AIN2M, 0), diff --git a/drivers/staging/iio/adc/ad7298_ring.c b/drivers/staging/iio/adc/ad7298_ring.c index fd1d855ff57..506016f0159 100644 --- a/drivers/staging/iio/adc/ad7298_ring.c +++ b/drivers/staging/iio/adc/ad7298_ring.c @@ -76,7 +76,7 @@ static irqreturn_t ad7298_trigger_handler(int irq, void *p) struct iio_dev *indio_dev = pf->indio_dev; struct ad7298_state *st = iio_priv(indio_dev); struct iio_buffer *ring = indio_dev->buffer; - s64 time_ns; + s64 time_ns = 0; __u16 buf[16]; int b_sent, i; diff --git a/drivers/staging/iio/adc/ad7780.c b/drivers/staging/iio/adc/ad7780.c index 1ece2ac8de5..19ee49c95de 100644 --- a/drivers/staging/iio/adc/ad7780.c +++ b/drivers/staging/iio/adc/ad7780.c @@ -131,9 +131,10 @@ static const struct ad7780_chip_info ad7780_chip_info_tbl[] = { .indexed = 1, .channel = 0, .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SHARED_BIT, + IIO_CHAN_INFO_SCALE_SHARED_BIT | + IIO_CHAN_INFO_OFFSET_SHARED_BIT, .scan_type = { - .sign = 's', + .sign = 'u', .realbits = 24, .storagebits = 32, .shift = 8, @@ -146,9 +147,10 @@ static const struct ad7780_chip_info ad7780_chip_info_tbl[] = { .indexed = 1, .channel = 0, .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SHARED_BIT, + IIO_CHAN_INFO_SCALE_SHARED_BIT | + IIO_CHAN_INFO_OFFSET_SHARED_BIT, .scan_type = { - .sign = 's', + .sign = 'u', .realbits = 20, .storagebits = 32, .shift = 12, diff --git a/drivers/staging/iio/adc/ad7793.c b/drivers/staging/iio/adc/ad7793.c index 76fdd7145fc..112e2b7b5bc 100644 --- a/drivers/staging/iio/adc/ad7793.c +++ b/drivers/staging/iio/adc/ad7793.c @@ -563,8 +563,9 @@ static ssize_t ad7793_show_scale_available(struct device *dev, return len; } -static IIO_DEVICE_ATTR_NAMED(in_m_in_scale_available, in-in_scale_available, - S_IRUGO, ad7793_show_scale_available, NULL, 0); +static IIO_DEVICE_ATTR_NAMED(in_m_in_scale_available, + in_voltage-voltage_scale_available, S_IRUGO, + ad7793_show_scale_available, NULL, 0); static struct attribute *ad7793_attributes[] = { &iio_dev_attr_sampling_frequency.dev_attr.attr, @@ -604,9 +605,6 @@ static int ad7793_read_raw(struct iio_dev *indio_dev, *val = (smpl >> chan->scan_type.shift) & ((1 << (chan->scan_type.realbits)) - 1); - if (!unipolar) - *val -= (1 << (chan->scan_type.realbits - 1)); - return IIO_VAL_INT; case IIO_CHAN_INFO_SCALE: @@ -620,25 +618,38 @@ static int ad7793_read_raw(struct iio_dev *indio_dev, return IIO_VAL_INT_PLUS_NANO; } else { /* 1170mV / 2^23 * 6 */ - scale_uv = (1170ULL * 100000000ULL * 6ULL) - >> (chan->scan_type.realbits - - (unipolar ? 0 : 1)); + scale_uv = (1170ULL * 100000000ULL * 6ULL); } break; case IIO_TEMP: - /* Always uses unity gain and internal ref */ - scale_uv = (2500ULL * 100000000ULL) - >> (chan->scan_type.realbits - - (unipolar ? 0 : 1)); + /* 1170mV / 0.81 mV/C / 2^23 */ + scale_uv = 1444444444444ULL; break; default: return -EINVAL; } - *val2 = do_div(scale_uv, 100000000) * 10; - *val = scale_uv; - + scale_uv >>= (chan->scan_type.realbits - (unipolar ? 0 : 1)); + *val = 0; + *val2 = scale_uv; return IIO_VAL_INT_PLUS_NANO; + case IIO_CHAN_INFO_OFFSET: + if (!unipolar) + *val = -(1 << (chan->scan_type.realbits - 1)); + else + *val = 0; + + /* Kelvin to Celsius */ + if (chan->type == IIO_TEMP) { + unsigned long long offset; + unsigned int shift; + + shift = chan->scan_type.realbits - (unipolar ? 0 : 1); + offset = 273ULL << shift; + do_div(offset, 1444); + *val -= offset; + } + return IIO_VAL_INT; } return -EINVAL; } @@ -676,7 +687,7 @@ static int ad7793_write_raw(struct iio_dev *indio_dev, } ret = 0; } - + break; default: ret = -EINVAL; } @@ -720,9 +731,10 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = { .channel2 = 0, .address = AD7793_CH_AIN1P_AIN1M, .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SHARED_BIT, + IIO_CHAN_INFO_SCALE_SHARED_BIT | + IIO_CHAN_INFO_OFFSET_SHARED_BIT, .scan_index = 0, - .scan_type = IIO_ST('s', 24, 32, 0) + .scan_type = IIO_ST('u', 24, 32, 0) }, .channel[1] = { .type = IIO_VOLTAGE, @@ -732,9 +744,10 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = { .channel2 = 1, .address = AD7793_CH_AIN2P_AIN2M, .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SHARED_BIT, + IIO_CHAN_INFO_SCALE_SHARED_BIT | + IIO_CHAN_INFO_OFFSET_SHARED_BIT, .scan_index = 1, - .scan_type = IIO_ST('s', 24, 32, 0) + .scan_type = IIO_ST('u', 24, 32, 0) }, .channel[2] = { .type = IIO_VOLTAGE, @@ -744,9 +757,10 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = { .channel2 = 2, .address = AD7793_CH_AIN3P_AIN3M, .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SHARED_BIT, + IIO_CHAN_INFO_SCALE_SHARED_BIT | + IIO_CHAN_INFO_OFFSET_SHARED_BIT, .scan_index = 2, - .scan_type = IIO_ST('s', 24, 32, 0) + .scan_type = IIO_ST('u', 24, 32, 0) }, .channel[3] = { .type = IIO_VOLTAGE, @@ -757,9 +771,10 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = { .channel2 = 2, .address = AD7793_CH_AIN1M_AIN1M, .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SHARED_BIT, + IIO_CHAN_INFO_SCALE_SHARED_BIT | + IIO_CHAN_INFO_OFFSET_SHARED_BIT, .scan_index = 3, - .scan_type = IIO_ST('s', 24, 32, 0) + .scan_type = IIO_ST('u', 24, 32, 0) }, .channel[4] = { .type = IIO_TEMP, @@ -769,7 +784,7 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = { .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SEPARATE_BIT, .scan_index = 4, - .scan_type = IIO_ST('s', 24, 32, 0), + .scan_type = IIO_ST('u', 24, 32, 0), }, .channel[5] = { .type = IIO_VOLTAGE, @@ -778,9 +793,10 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = { .channel = 4, .address = AD7793_CH_AVDD_MONITOR, .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, + IIO_CHAN_INFO_SCALE_SEPARATE_BIT | + IIO_CHAN_INFO_OFFSET_SHARED_BIT, .scan_index = 5, - .scan_type = IIO_ST('s', 24, 32, 0), + .scan_type = IIO_ST('u', 24, 32, 0), }, .channel[6] = IIO_CHAN_SOFT_TIMESTAMP(6), }, @@ -793,9 +809,10 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = { .channel2 = 0, .address = AD7793_CH_AIN1P_AIN1M, .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SHARED_BIT, + IIO_CHAN_INFO_SCALE_SHARED_BIT | + IIO_CHAN_INFO_OFFSET_SHARED_BIT, .scan_index = 0, - .scan_type = IIO_ST('s', 16, 32, 0) + .scan_type = IIO_ST('u', 16, 32, 0) }, .channel[1] = { .type = IIO_VOLTAGE, @@ -805,9 +822,10 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = { .channel2 = 1, .address = AD7793_CH_AIN2P_AIN2M, .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SHARED_BIT, + IIO_CHAN_INFO_SCALE_SHARED_BIT | + IIO_CHAN_INFO_OFFSET_SHARED_BIT, .scan_index = 1, - .scan_type = IIO_ST('s', 16, 32, 0) + .scan_type = IIO_ST('u', 16, 32, 0) }, .channel[2] = { .type = IIO_VOLTAGE, @@ -817,9 +835,10 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = { .channel2 = 2, .address = AD7793_CH_AIN3P_AIN3M, .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SHARED_BIT, + IIO_CHAN_INFO_SCALE_SHARED_BIT | + IIO_CHAN_INFO_OFFSET_SHARED_BIT, .scan_index = 2, - .scan_type = IIO_ST('s', 16, 32, 0) + .scan_type = IIO_ST('u', 16, 32, 0) }, .channel[3] = { .type = IIO_VOLTAGE, @@ -830,9 +849,10 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = { .channel2 = 2, .address = AD7793_CH_AIN1M_AIN1M, .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SHARED_BIT, + IIO_CHAN_INFO_SCALE_SHARED_BIT | + IIO_CHAN_INFO_OFFSET_SHARED_BIT, .scan_index = 3, - .scan_type = IIO_ST('s', 16, 32, 0) + .scan_type = IIO_ST('u', 16, 32, 0) }, .channel[4] = { .type = IIO_TEMP, @@ -842,7 +862,7 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = { .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SEPARATE_BIT, .scan_index = 4, - .scan_type = IIO_ST('s', 16, 32, 0), + .scan_type = IIO_ST('u', 16, 32, 0), }, .channel[5] = { .type = IIO_VOLTAGE, @@ -851,9 +871,10 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = { .channel = 4, .address = AD7793_CH_AVDD_MONITOR, .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, + IIO_CHAN_INFO_SCALE_SEPARATE_BIT | + IIO_CHAN_INFO_OFFSET_SHARED_BIT, .scan_index = 5, - .scan_type = IIO_ST('s', 16, 32, 0), + .scan_type = IIO_ST('u', 16, 32, 0), }, .channel[6] = IIO_CHAN_SOFT_TIMESTAMP(6), }, @@ -901,7 +922,7 @@ static int __devinit ad7793_probe(struct spi_device *spi) else if (voltage_uv) st->int_vref_mv = voltage_uv / 1000; else - st->int_vref_mv = 2500; /* Build-in ref */ + st->int_vref_mv = 1170; /* Build-in ref */ spi_set_drvdata(spi, indio_dev); st->spi = spi; diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig index 070b442c1f8..4720b4ba096 100644 --- a/drivers/tty/serial/Kconfig +++ b/drivers/tty/serial/Kconfig @@ -160,10 +160,12 @@ config SERIAL_KS8695_CONSOLE config SERIAL_CLPS711X tristate "CLPS711X serial port support" - depends on ARM && ARCH_CLPS711X + depends on ARCH_CLPS711X select SERIAL_CORE + default y help - ::: To be written ::: + This enables the driver for the on-chip UARTs of the Cirrus + Logic EP711x/EP721x/EP731x processors. config SERIAL_CLPS711X_CONSOLE bool "Support for console on CLPS711X serial port" @@ -173,9 +175,7 @@ config SERIAL_CLPS711X_CONSOLE Even if you say Y here, the currently visible virtual console (/dev/tty0) will still be used as the system console by default, but you can alter that using a kernel command line option such as - "console=ttyCL1". (Try "man bootparam" or see the documentation of - your boot loader (lilo or loadlin) about how to pass options to the - kernel at boot time.) + "console=ttyCL1". config SERIAL_SAMSUNG tristate "Samsung SoC serial support" diff --git a/drivers/tty/serial/ifx6x60.c b/drivers/tty/serial/ifx6x60.c index 144cd3987d4..3ad079ffd04 100644 --- a/drivers/tty/serial/ifx6x60.c +++ b/drivers/tty/serial/ifx6x60.c @@ -1331,7 +1331,7 @@ static const struct spi_device_id ifx_id_table[] = { MODULE_DEVICE_TABLE(spi, ifx_id_table); /* spi operations */ -static const struct spi_driver ifx_spi_driver = { +static struct spi_driver ifx_spi_driver = { .driver = { .name = DRVNAME, .pm = &ifx_spi_pm, diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c index 2e341b81ff8..3a667eed63d 100644 --- a/drivers/tty/serial/mxs-auart.c +++ b/drivers/tty/serial/mxs-auart.c @@ -73,6 +73,7 @@ #define AUART_CTRL0_CLKGATE (1 << 30) #define AUART_CTRL2_CTSEN (1 << 15) +#define AUART_CTRL2_RTSEN (1 << 14) #define AUART_CTRL2_RTS (1 << 11) #define AUART_CTRL2_RXE (1 << 9) #define AUART_CTRL2_TXE (1 << 8) @@ -259,9 +260,12 @@ static void mxs_auart_set_mctrl(struct uart_port *u, unsigned mctrl) u32 ctrl = readl(u->membase + AUART_CTRL2); - ctrl &= ~AUART_CTRL2_RTS; - if (mctrl & TIOCM_RTS) - ctrl |= AUART_CTRL2_RTS; + ctrl &= ~AUART_CTRL2_RTSEN; + if (mctrl & TIOCM_RTS) { + if (u->state->port.flags & ASYNC_CTS_FLOW) + ctrl |= AUART_CTRL2_RTSEN; + } + s->ctrl = mctrl; writel(ctrl, u->membase + AUART_CTRL2); } @@ -359,9 +363,9 @@ static void mxs_auart_settermios(struct uart_port *u, /* figure out the hardware flow control settings */ if (cflag & CRTSCTS) - ctrl2 |= AUART_CTRL2_CTSEN; + ctrl2 |= AUART_CTRL2_CTSEN | AUART_CTRL2_RTSEN; else - ctrl2 &= ~AUART_CTRL2_CTSEN; + ctrl2 &= ~(AUART_CTRL2_CTSEN | AUART_CTRL2_RTSEN); /* set baud rate */ baud = uart_get_baud_rate(u, termios, old, 0, u->uartclk); diff --git a/drivers/tty/serial/pmac_zilog.c b/drivers/tty/serial/pmac_zilog.c index 654755a990d..333c8d012b0 100644 --- a/drivers/tty/serial/pmac_zilog.c +++ b/drivers/tty/serial/pmac_zilog.c @@ -1348,10 +1348,16 @@ static int pmz_verify_port(struct uart_port *port, struct serial_struct *ser) static int pmz_poll_get_char(struct uart_port *port) { struct uart_pmac_port *uap = (struct uart_pmac_port *)port; + int tries = 2; - while ((read_zsreg(uap, R0) & Rx_CH_AV) == 0) - udelay(5); - return read_zsdata(uap); + while (tries) { + if ((read_zsreg(uap, R0) & Rx_CH_AV) != 0) + return read_zsdata(uap); + if (tries--) + udelay(5); + } + + return NO_POLL_CHAR; } static void pmz_poll_put_char(struct uart_port *port, unsigned char c) diff --git a/drivers/usb/early/ehci-dbgp.c b/drivers/usb/early/ehci-dbgp.c index ee0ebacf822..89dcf155d57 100644 --- a/drivers/usb/early/ehci-dbgp.c +++ b/drivers/usb/early/ehci-dbgp.c @@ -450,7 +450,7 @@ static int dbgp_ehci_startup(void) writel(FLAG_CF, &ehci_regs->configured_flag); /* Wait until the controller is no longer halted */ - loop = 10; + loop = 1000; do { status = readl(&ehci_regs->status); if (!(status & STS_HALT)) diff --git a/drivers/usb/host/ohci-omap.c b/drivers/usb/host/ohci-omap.c index e7d75d29598..f8b2d91851f 100644 --- a/drivers/usb/host/ohci-omap.c +++ b/drivers/usb/host/ohci-omap.c @@ -403,8 +403,6 @@ err0: static inline void usb_hcd_omap_remove (struct usb_hcd *hcd, struct platform_device *pdev) { - struct ohci_hcd *ohci = hcd_to_ohci (hcd); - usb_remove_hcd(hcd); if (!IS_ERR_OR_NULL(hcd->phy)) { (void) otg_set_host(hcd->phy->otg, 0); diff --git a/drivers/vhost/Kconfig b/drivers/vhost/Kconfig index e4e2fd1b510..202bba6c997 100644 --- a/drivers/vhost/Kconfig +++ b/drivers/vhost/Kconfig @@ -9,3 +9,6 @@ config VHOST_NET To compile this driver as a module, choose M here: the module will be called vhost_net. +if STAGING +source "drivers/vhost/Kconfig.tcm" +endif diff --git a/drivers/vhost/Kconfig.tcm b/drivers/vhost/Kconfig.tcm new file mode 100644 index 00000000000..a9c6f76e320 --- /dev/null +++ b/drivers/vhost/Kconfig.tcm @@ -0,0 +1,6 @@ +config TCM_VHOST + tristate "TCM_VHOST fabric module (EXPERIMENTAL)" + depends on TARGET_CORE && EVENTFD && EXPERIMENTAL && m + default n + ---help--- + Say M here to enable the TCM_VHOST fabric module for use with virtio-scsi guests diff --git a/drivers/vhost/Makefile b/drivers/vhost/Makefile index 72dd02050bb..a27b053bc9a 100644 --- a/drivers/vhost/Makefile +++ b/drivers/vhost/Makefile @@ -1,2 +1,4 @@ obj-$(CONFIG_VHOST_NET) += vhost_net.o vhost_net-y := vhost.o net.o + +obj-$(CONFIG_TCM_VHOST) += tcm_vhost.o diff --git a/drivers/vhost/tcm_vhost.c b/drivers/vhost/tcm_vhost.c new file mode 100644 index 00000000000..fb366540ed5 --- /dev/null +++ b/drivers/vhost/tcm_vhost.c @@ -0,0 +1,1628 @@ +/******************************************************************************* + * Vhost kernel TCM fabric driver for virtio SCSI initiators + * + * (C) Copyright 2010-2012 RisingTide Systems LLC. + * (C) Copyright 2010-2012 IBM Corp. + * + * Licensed to the Linux Foundation under the General Public License (GPL) version 2. + * + * Authors: Nicholas A. Bellinger <nab@risingtidesystems.com> + * Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + ****************************************************************************/ + +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <generated/utsrelease.h> +#include <linux/utsname.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/kthread.h> +#include <linux/types.h> +#include <linux/string.h> +#include <linux/configfs.h> +#include <linux/ctype.h> +#include <linux/compat.h> +#include <linux/eventfd.h> +#include <linux/vhost.h> +#include <linux/fs.h> +#include <linux/miscdevice.h> +#include <asm/unaligned.h> +#include <scsi/scsi.h> +#include <scsi/scsi_tcq.h> +#include <target/target_core_base.h> +#include <target/target_core_fabric.h> +#include <target/target_core_fabric_configfs.h> +#include <target/target_core_configfs.h> +#include <target/configfs_macros.h> +#include <linux/vhost.h> +#include <linux/virtio_net.h> /* TODO vhost.h currently depends on this */ +#include <linux/virtio_scsi.h> + +#include "vhost.c" +#include "vhost.h" +#include "tcm_vhost.h" + +struct vhost_scsi { + atomic_t vhost_ref_cnt; + struct tcm_vhost_tpg *vs_tpg; + struct vhost_dev dev; + struct vhost_virtqueue vqs[3]; + + struct vhost_work vs_completion_work; /* cmd completion work item */ + struct list_head vs_completion_list; /* cmd completion queue */ + spinlock_t vs_completion_lock; /* protects s_completion_list */ +}; + +/* Local pointer to allocated TCM configfs fabric module */ +static struct target_fabric_configfs *tcm_vhost_fabric_configfs; + +static struct workqueue_struct *tcm_vhost_workqueue; + +/* Global spinlock to protect tcm_vhost TPG list for vhost IOCTL access */ +static DEFINE_MUTEX(tcm_vhost_mutex); +static LIST_HEAD(tcm_vhost_list); + +static int tcm_vhost_check_true(struct se_portal_group *se_tpg) +{ + return 1; +} + +static int tcm_vhost_check_false(struct se_portal_group *se_tpg) +{ + return 0; +} + +static char *tcm_vhost_get_fabric_name(void) +{ + return "vhost"; +} + +static u8 tcm_vhost_get_fabric_proto_ident(struct se_portal_group *se_tpg) +{ + struct tcm_vhost_tpg *tpg = container_of(se_tpg, + struct tcm_vhost_tpg, se_tpg); + struct tcm_vhost_tport *tport = tpg->tport; + + switch (tport->tport_proto_id) { + case SCSI_PROTOCOL_SAS: + return sas_get_fabric_proto_ident(se_tpg); + case SCSI_PROTOCOL_FCP: + return fc_get_fabric_proto_ident(se_tpg); + case SCSI_PROTOCOL_ISCSI: + return iscsi_get_fabric_proto_ident(se_tpg); + default: + pr_err("Unknown tport_proto_id: 0x%02x, using" + " SAS emulation\n", tport->tport_proto_id); + break; + } + + return sas_get_fabric_proto_ident(se_tpg); +} + +static char *tcm_vhost_get_fabric_wwn(struct se_portal_group *se_tpg) +{ + struct tcm_vhost_tpg *tpg = container_of(se_tpg, + struct tcm_vhost_tpg, se_tpg); + struct tcm_vhost_tport *tport = tpg->tport; + + return &tport->tport_name[0]; +} + +static u16 tcm_vhost_get_tag(struct se_portal_group *se_tpg) +{ + struct tcm_vhost_tpg *tpg = container_of(se_tpg, + struct tcm_vhost_tpg, se_tpg); + return tpg->tport_tpgt; +} + +static u32 tcm_vhost_get_default_depth(struct se_portal_group *se_tpg) +{ + return 1; +} + +static u32 tcm_vhost_get_pr_transport_id( + struct se_portal_group *se_tpg, + struct se_node_acl *se_nacl, + struct t10_pr_registration *pr_reg, + int *format_code, + unsigned char *buf) +{ + struct tcm_vhost_tpg *tpg = container_of(se_tpg, + struct tcm_vhost_tpg, se_tpg); + struct tcm_vhost_tport *tport = tpg->tport; + + switch (tport->tport_proto_id) { + case SCSI_PROTOCOL_SAS: + return sas_get_pr_transport_id(se_tpg, se_nacl, pr_reg, + format_code, buf); + case SCSI_PROTOCOL_FCP: + return fc_get_pr_transport_id(se_tpg, se_nacl, pr_reg, + format_code, buf); + case SCSI_PROTOCOL_ISCSI: + return iscsi_get_pr_transport_id(se_tpg, se_nacl, pr_reg, + format_code, buf); + default: + pr_err("Unknown tport_proto_id: 0x%02x, using" + " SAS emulation\n", tport->tport_proto_id); + break; + } + + return sas_get_pr_transport_id(se_tpg, se_nacl, pr_reg, + format_code, buf); +} + +static u32 tcm_vhost_get_pr_transport_id_len( + struct se_portal_group *se_tpg, + struct se_node_acl *se_nacl, + struct t10_pr_registration *pr_reg, + int *format_code) +{ + struct tcm_vhost_tpg *tpg = container_of(se_tpg, + struct tcm_vhost_tpg, se_tpg); + struct tcm_vhost_tport *tport = tpg->tport; + + switch (tport->tport_proto_id) { + case SCSI_PROTOCOL_SAS: + return sas_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg, + format_code); + case SCSI_PROTOCOL_FCP: + return fc_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg, + format_code); + case SCSI_PROTOCOL_ISCSI: + return iscsi_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg, + format_code); + default: + pr_err("Unknown tport_proto_id: 0x%02x, using" + " SAS emulation\n", tport->tport_proto_id); + break; + } + + return sas_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg, + format_code); +} + +static char *tcm_vhost_parse_pr_out_transport_id( + struct se_portal_group *se_tpg, + const char *buf, + u32 *out_tid_len, + char **port_nexus_ptr) +{ + struct tcm_vhost_tpg *tpg = container_of(se_tpg, + struct tcm_vhost_tpg, se_tpg); + struct tcm_vhost_tport *tport = tpg->tport; + + switch (tport->tport_proto_id) { + case SCSI_PROTOCOL_SAS: + return sas_parse_pr_out_transport_id(se_tpg, buf, out_tid_len, + port_nexus_ptr); + case SCSI_PROTOCOL_FCP: + return fc_parse_pr_out_transport_id(se_tpg, buf, out_tid_len, + port_nexus_ptr); + case SCSI_PROTOCOL_ISCSI: + return iscsi_parse_pr_out_transport_id(se_tpg, buf, out_tid_len, + port_nexus_ptr); + default: + pr_err("Unknown tport_proto_id: 0x%02x, using" + " SAS emulation\n", tport->tport_proto_id); + break; + } + + return sas_parse_pr_out_transport_id(se_tpg, buf, out_tid_len, + port_nexus_ptr); +} + +static struct se_node_acl *tcm_vhost_alloc_fabric_acl( + struct se_portal_group *se_tpg) +{ + struct tcm_vhost_nacl *nacl; + + nacl = kzalloc(sizeof(struct tcm_vhost_nacl), GFP_KERNEL); + if (!nacl) { + pr_err("Unable to alocate struct tcm_vhost_nacl\n"); + return NULL; + } + + return &nacl->se_node_acl; +} + +static void tcm_vhost_release_fabric_acl( + struct se_portal_group *se_tpg, + struct se_node_acl *se_nacl) +{ + struct tcm_vhost_nacl *nacl = container_of(se_nacl, + struct tcm_vhost_nacl, se_node_acl); + kfree(nacl); +} + +static u32 tcm_vhost_tpg_get_inst_index(struct se_portal_group *se_tpg) +{ + return 1; +} + +static void tcm_vhost_release_cmd(struct se_cmd *se_cmd) +{ + return; +} + +static int tcm_vhost_shutdown_session(struct se_session *se_sess) +{ + return 0; +} + +static void tcm_vhost_close_session(struct se_session *se_sess) +{ + return; +} + +static u32 tcm_vhost_sess_get_index(struct se_session *se_sess) +{ + return 0; +} + +static int tcm_vhost_write_pending(struct se_cmd *se_cmd) +{ + /* Go ahead and process the write immediately */ + target_execute_cmd(se_cmd); + return 0; +} + +static int tcm_vhost_write_pending_status(struct se_cmd *se_cmd) +{ + return 0; +} + +static void tcm_vhost_set_default_node_attrs(struct se_node_acl *nacl) +{ + return; +} + +static u32 tcm_vhost_get_task_tag(struct se_cmd *se_cmd) +{ + return 0; +} + +static int tcm_vhost_get_cmd_state(struct se_cmd *se_cmd) +{ + return 0; +} + +static void vhost_scsi_complete_cmd(struct tcm_vhost_cmd *); + +static int tcm_vhost_queue_data_in(struct se_cmd *se_cmd) +{ + struct tcm_vhost_cmd *tv_cmd = container_of(se_cmd, + struct tcm_vhost_cmd, tvc_se_cmd); + vhost_scsi_complete_cmd(tv_cmd); + return 0; +} + +static int tcm_vhost_queue_status(struct se_cmd *se_cmd) +{ + struct tcm_vhost_cmd *tv_cmd = container_of(se_cmd, + struct tcm_vhost_cmd, tvc_se_cmd); + vhost_scsi_complete_cmd(tv_cmd); + return 0; +} + +static int tcm_vhost_queue_tm_rsp(struct se_cmd *se_cmd) +{ + return 0; +} + +static u16 tcm_vhost_set_fabric_sense_len(struct se_cmd *se_cmd, + u32 sense_length) +{ + return 0; +} + +static u16 tcm_vhost_get_fabric_sense_len(void) +{ + return 0; +} + +static void vhost_scsi_free_cmd(struct tcm_vhost_cmd *tv_cmd) +{ + struct se_cmd *se_cmd = &tv_cmd->tvc_se_cmd; + + /* TODO locking against target/backend threads? */ + transport_generic_free_cmd(se_cmd, 1); + + if (tv_cmd->tvc_sgl_count) { + u32 i; + for (i = 0; i < tv_cmd->tvc_sgl_count; i++) + put_page(sg_page(&tv_cmd->tvc_sgl[i])); + + kfree(tv_cmd->tvc_sgl); + } + + kfree(tv_cmd); +} + +/* Dequeue a command from the completion list */ +static struct tcm_vhost_cmd *vhost_scsi_get_cmd_from_completion( + struct vhost_scsi *vs) +{ + struct tcm_vhost_cmd *tv_cmd = NULL; + + spin_lock_bh(&vs->vs_completion_lock); + if (list_empty(&vs->vs_completion_list)) { + spin_unlock_bh(&vs->vs_completion_lock); + return NULL; + } + + list_for_each_entry(tv_cmd, &vs->vs_completion_list, + tvc_completion_list) { + list_del(&tv_cmd->tvc_completion_list); + break; + } + spin_unlock_bh(&vs->vs_completion_lock); + return tv_cmd; +} + +/* Fill in status and signal that we are done processing this command + * + * This is scheduled in the vhost work queue so we are called with the owner + * process mm and can access the vring. + */ +static void vhost_scsi_complete_cmd_work(struct vhost_work *work) +{ + struct vhost_scsi *vs = container_of(work, struct vhost_scsi, + vs_completion_work); + struct tcm_vhost_cmd *tv_cmd; + + while ((tv_cmd = vhost_scsi_get_cmd_from_completion(vs)) != NULL) { + struct virtio_scsi_cmd_resp v_rsp; + struct se_cmd *se_cmd = &tv_cmd->tvc_se_cmd; + int ret; + + pr_debug("%s tv_cmd %p resid %u status %#02x\n", __func__, + tv_cmd, se_cmd->residual_count, se_cmd->scsi_status); + + memset(&v_rsp, 0, sizeof(v_rsp)); + v_rsp.resid = se_cmd->residual_count; + /* TODO is status_qualifier field needed? */ + v_rsp.status = se_cmd->scsi_status; + v_rsp.sense_len = se_cmd->scsi_sense_length; + memcpy(v_rsp.sense, tv_cmd->tvc_sense_buf, + v_rsp.sense_len); + ret = copy_to_user(tv_cmd->tvc_resp, &v_rsp, sizeof(v_rsp)); + if (likely(ret == 0)) + vhost_add_used(&vs->vqs[2], tv_cmd->tvc_vq_desc, 0); + else + pr_err("Faulted on virtio_scsi_cmd_resp\n"); + + vhost_scsi_free_cmd(tv_cmd); + } + + vhost_signal(&vs->dev, &vs->vqs[2]); +} + +static void vhost_scsi_complete_cmd(struct tcm_vhost_cmd *tv_cmd) +{ + struct vhost_scsi *vs = tv_cmd->tvc_vhost; + + pr_debug("%s tv_cmd %p\n", __func__, tv_cmd); + + spin_lock_bh(&vs->vs_completion_lock); + list_add_tail(&tv_cmd->tvc_completion_list, &vs->vs_completion_list); + spin_unlock_bh(&vs->vs_completion_lock); + + vhost_work_queue(&vs->dev, &vs->vs_completion_work); +} + +static struct tcm_vhost_cmd *vhost_scsi_allocate_cmd( + struct tcm_vhost_tpg *tv_tpg, + struct virtio_scsi_cmd_req *v_req, + u32 exp_data_len, + int data_direction) +{ + struct tcm_vhost_cmd *tv_cmd; + struct tcm_vhost_nexus *tv_nexus; + struct se_portal_group *se_tpg = &tv_tpg->se_tpg; + struct se_session *se_sess; + struct se_cmd *se_cmd; + int sam_task_attr; + + tv_nexus = tv_tpg->tpg_nexus; + if (!tv_nexus) { + pr_err("Unable to locate active struct tcm_vhost_nexus\n"); + return ERR_PTR(-EIO); + } + se_sess = tv_nexus->tvn_se_sess; + + tv_cmd = kzalloc(sizeof(struct tcm_vhost_cmd), GFP_ATOMIC); + if (!tv_cmd) { + pr_err("Unable to allocate struct tcm_vhost_cmd\n"); + return ERR_PTR(-ENOMEM); + } + INIT_LIST_HEAD(&tv_cmd->tvc_completion_list); + tv_cmd->tvc_tag = v_req->tag; + + se_cmd = &tv_cmd->tvc_se_cmd; + /* + * Locate the SAM Task Attr from virtio_scsi_cmd_req + */ + sam_task_attr = v_req->task_attr; + /* + * Initialize struct se_cmd descriptor from TCM infrastructure + */ + transport_init_se_cmd(se_cmd, se_tpg->se_tpg_tfo, se_sess, exp_data_len, + data_direction, sam_task_attr, + &tv_cmd->tvc_sense_buf[0]); + +#if 0 /* FIXME: vhost_scsi_allocate_cmd() BIDI operation */ + if (bidi) + se_cmd->se_cmd_flags |= SCF_BIDI; +#endif + return tv_cmd; +} + +/* + * Map a user memory range into a scatterlist + * + * Returns the number of scatterlist entries used or -errno on error. + */ +static int vhost_scsi_map_to_sgl(struct scatterlist *sgl, + unsigned int sgl_count, void __user *ptr, size_t len, int write) +{ + struct scatterlist *sg = sgl; + unsigned int npages = 0; + int ret; + + while (len > 0) { + struct page *page; + unsigned int offset = (uintptr_t)ptr & ~PAGE_MASK; + unsigned int nbytes = min_t(unsigned int, + PAGE_SIZE - offset, len); + + if (npages == sgl_count) { + ret = -ENOBUFS; + goto err; + } + + ret = get_user_pages_fast((unsigned long)ptr, 1, write, &page); + BUG_ON(ret == 0); /* we should either get our page or fail */ + if (ret < 0) + goto err; + + sg_set_page(sg, page, nbytes, offset); + ptr += nbytes; + len -= nbytes; + sg++; + npages++; + } + return npages; + +err: + /* Put pages that we hold */ + for (sg = sgl; sg != &sgl[npages]; sg++) + put_page(sg_page(sg)); + return ret; +} + +static int vhost_scsi_map_iov_to_sgl(struct tcm_vhost_cmd *tv_cmd, + struct iovec *iov, unsigned int niov, int write) +{ + int ret; + unsigned int i; + u32 sgl_count; + struct scatterlist *sg; + + /* + * Find out how long sglist needs to be + */ + sgl_count = 0; + for (i = 0; i < niov; i++) { + sgl_count += (((uintptr_t)iov[i].iov_base + iov[i].iov_len + + PAGE_SIZE - 1) >> PAGE_SHIFT) - + ((uintptr_t)iov[i].iov_base >> PAGE_SHIFT); + } + /* TODO overflow checking */ + + sg = kmalloc(sizeof(tv_cmd->tvc_sgl[0]) * sgl_count, GFP_ATOMIC); + if (!sg) + return -ENOMEM; + pr_debug("%s sg %p sgl_count %u is_err %ld\n", __func__, + sg, sgl_count, IS_ERR(sg)); + sg_init_table(sg, sgl_count); + + tv_cmd->tvc_sgl = sg; + tv_cmd->tvc_sgl_count = sgl_count; + + pr_debug("Mapping %u iovecs for %u pages\n", niov, sgl_count); + for (i = 0; i < niov; i++) { + ret = vhost_scsi_map_to_sgl(sg, sgl_count, iov[i].iov_base, + iov[i].iov_len, write); + if (ret < 0) { + for (i = 0; i < tv_cmd->tvc_sgl_count; i++) + put_page(sg_page(&tv_cmd->tvc_sgl[i])); + kfree(tv_cmd->tvc_sgl); + tv_cmd->tvc_sgl = NULL; + tv_cmd->tvc_sgl_count = 0; + return ret; + } + + sg += ret; + sgl_count -= ret; + } + return 0; +} + +static void tcm_vhost_submission_work(struct work_struct *work) +{ + struct tcm_vhost_cmd *tv_cmd = + container_of(work, struct tcm_vhost_cmd, work); + struct se_cmd *se_cmd = &tv_cmd->tvc_se_cmd; + struct scatterlist *sg_ptr, *sg_bidi_ptr = NULL; + int rc, sg_no_bidi = 0; + /* + * Locate the struct se_lun pointer based on v_req->lun, and + * attach it to struct se_cmd + */ + rc = transport_lookup_cmd_lun(&tv_cmd->tvc_se_cmd, tv_cmd->tvc_lun); + if (rc < 0) { + pr_err("Failed to look up lun: %d\n", tv_cmd->tvc_lun); + transport_send_check_condition_and_sense(&tv_cmd->tvc_se_cmd, + tv_cmd->tvc_se_cmd.scsi_sense_reason, 0); + transport_generic_free_cmd(se_cmd, 0); + return; + } + + rc = target_setup_cmd_from_cdb(se_cmd, tv_cmd->tvc_cdb); + if (rc == -ENOMEM) { + transport_send_check_condition_and_sense(se_cmd, + TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE, 0); + transport_generic_free_cmd(se_cmd, 0); + return; + } else if (rc < 0) { + if (se_cmd->se_cmd_flags & SCF_SCSI_RESERVATION_CONFLICT) + tcm_vhost_queue_status(se_cmd); + else + transport_send_check_condition_and_sense(se_cmd, + se_cmd->scsi_sense_reason, 0); + transport_generic_free_cmd(se_cmd, 0); + return; + } + + if (tv_cmd->tvc_sgl_count) { + sg_ptr = tv_cmd->tvc_sgl; + /* + * For BIDI commands, pass in the extra READ buffer + * to transport_generic_map_mem_to_cmd() below.. + */ +/* FIXME: Fix BIDI operation in tcm_vhost_submission_work() */ +#if 0 + if (se_cmd->se_cmd_flags & SCF_BIDI) { + sg_bidi_ptr = NULL; + sg_no_bidi = 0; + } +#endif + } else { + sg_ptr = NULL; + } + + rc = transport_generic_map_mem_to_cmd(se_cmd, sg_ptr, + tv_cmd->tvc_sgl_count, sg_bidi_ptr, + sg_no_bidi); + if (rc < 0) { + transport_send_check_condition_and_sense(se_cmd, + se_cmd->scsi_sense_reason, 0); + transport_generic_free_cmd(se_cmd, 0); + return; + } + transport_handle_cdb_direct(se_cmd); +} + +static void vhost_scsi_handle_vq(struct vhost_scsi *vs) +{ + struct vhost_virtqueue *vq = &vs->vqs[2]; + struct virtio_scsi_cmd_req v_req; + struct tcm_vhost_tpg *tv_tpg; + struct tcm_vhost_cmd *tv_cmd; + u32 exp_data_len, data_first, data_num, data_direction; + unsigned out, in, i; + int head, ret; + + /* Must use ioctl VHOST_SCSI_SET_ENDPOINT */ + tv_tpg = vs->vs_tpg; + if (unlikely(!tv_tpg)) { + pr_err("%s endpoint not set\n", __func__); + return; + } + + mutex_lock(&vq->mutex); + vhost_disable_notify(&vs->dev, vq); + + for (;;) { + head = vhost_get_vq_desc(&vs->dev, vq, vq->iov, + ARRAY_SIZE(vq->iov), &out, &in, + NULL, NULL); + pr_debug("vhost_get_vq_desc: head: %d, out: %u in: %u\n", + head, out, in); + /* On error, stop handling until the next kick. */ + if (unlikely(head < 0)) + break; + /* Nothing new? Wait for eventfd to tell us they refilled. */ + if (head == vq->num) { + if (unlikely(vhost_enable_notify(&vs->dev, vq))) { + vhost_disable_notify(&vs->dev, vq); + continue; + } + break; + } + +/* FIXME: BIDI operation */ + if (out == 1 && in == 1) { + data_direction = DMA_NONE; + data_first = 0; + data_num = 0; + } else if (out == 1 && in > 1) { + data_direction = DMA_FROM_DEVICE; + data_first = out + 1; + data_num = in - 1; + } else if (out > 1 && in == 1) { + data_direction = DMA_TO_DEVICE; + data_first = 1; + data_num = out - 1; + } else { + vq_err(vq, "Invalid buffer layout out: %u in: %u\n", + out, in); + break; + } + + /* + * Check for a sane resp buffer so we can report errors to + * the guest. + */ + if (unlikely(vq->iov[out].iov_len != + sizeof(struct virtio_scsi_cmd_resp))) { + vq_err(vq, "Expecting virtio_scsi_cmd_resp, got %zu" + " bytes\n", vq->iov[out].iov_len); + break; + } + + if (unlikely(vq->iov[0].iov_len != sizeof(v_req))) { + vq_err(vq, "Expecting virtio_scsi_cmd_req, got %zu" + " bytes\n", vq->iov[0].iov_len); + break; + } + pr_debug("Calling __copy_from_user: vq->iov[0].iov_base: %p," + " len: %zu\n", vq->iov[0].iov_base, sizeof(v_req)); + ret = __copy_from_user(&v_req, vq->iov[0].iov_base, + sizeof(v_req)); + if (unlikely(ret)) { + vq_err(vq, "Faulted on virtio_scsi_cmd_req\n"); + break; + } + + exp_data_len = 0; + for (i = 0; i < data_num; i++) + exp_data_len += vq->iov[data_first + i].iov_len; + + tv_cmd = vhost_scsi_allocate_cmd(tv_tpg, &v_req, + exp_data_len, data_direction); + if (IS_ERR(tv_cmd)) { + vq_err(vq, "vhost_scsi_allocate_cmd failed %ld\n", + PTR_ERR(tv_cmd)); + break; + } + pr_debug("Allocated tv_cmd: %p exp_data_len: %d, data_direction" + ": %d\n", tv_cmd, exp_data_len, data_direction); + + tv_cmd->tvc_vhost = vs; + + if (unlikely(vq->iov[out].iov_len != + sizeof(struct virtio_scsi_cmd_resp))) { + vq_err(vq, "Expecting virtio_scsi_cmd_resp, got %zu" + " bytes, out: %d, in: %d\n", + vq->iov[out].iov_len, out, in); + break; + } + + tv_cmd->tvc_resp = vq->iov[out].iov_base; + + /* + * Copy in the recieved CDB descriptor into tv_cmd->tvc_cdb + * that will be used by tcm_vhost_new_cmd_map() and down into + * target_setup_cmd_from_cdb() + */ + memcpy(tv_cmd->tvc_cdb, v_req.cdb, TCM_VHOST_MAX_CDB_SIZE); + /* + * Check that the recieved CDB size does not exceeded our + * hardcoded max for tcm_vhost + */ + /* TODO what if cdb was too small for varlen cdb header? */ + if (unlikely(scsi_command_size(tv_cmd->tvc_cdb) > + TCM_VHOST_MAX_CDB_SIZE)) { + vq_err(vq, "Received SCSI CDB with command_size: %d that" + " exceeds SCSI_MAX_VARLEN_CDB_SIZE: %d\n", + scsi_command_size(tv_cmd->tvc_cdb), + TCM_VHOST_MAX_CDB_SIZE); + break; /* TODO */ + } + tv_cmd->tvc_lun = ((v_req.lun[2] << 8) | v_req.lun[3]) & 0x3FFF; + + pr_debug("vhost_scsi got command opcode: %#02x, lun: %d\n", + tv_cmd->tvc_cdb[0], tv_cmd->tvc_lun); + + if (data_direction != DMA_NONE) { + ret = vhost_scsi_map_iov_to_sgl(tv_cmd, + &vq->iov[data_first], data_num, + data_direction == DMA_TO_DEVICE); + if (unlikely(ret)) { + vq_err(vq, "Failed to map iov to sgl\n"); + break; /* TODO */ + } + } + + /* + * Save the descriptor from vhost_get_vq_desc() to be used to + * complete the virtio-scsi request in TCM callback context via + * tcm_vhost_queue_data_in() and tcm_vhost_queue_status() + */ + tv_cmd->tvc_vq_desc = head; + /* + * Dispatch tv_cmd descriptor for cmwq execution in process + * context provided by tcm_vhost_workqueue. This also ensures + * tv_cmd is executed on the same kworker CPU as this vhost + * thread to gain positive L2 cache locality effects.. + */ + INIT_WORK(&tv_cmd->work, tcm_vhost_submission_work); + queue_work(tcm_vhost_workqueue, &tv_cmd->work); + } + + mutex_unlock(&vq->mutex); +} + +static void vhost_scsi_ctl_handle_kick(struct vhost_work *work) +{ + pr_err("%s: The handling func for control queue.\n", __func__); +} + +static void vhost_scsi_evt_handle_kick(struct vhost_work *work) +{ + pr_err("%s: The handling func for event queue.\n", __func__); +} + +static void vhost_scsi_handle_kick(struct vhost_work *work) +{ + struct vhost_virtqueue *vq = container_of(work, struct vhost_virtqueue, + poll.work); + struct vhost_scsi *vs = container_of(vq->dev, struct vhost_scsi, dev); + + vhost_scsi_handle_vq(vs); +} + +/* + * Called from vhost_scsi_ioctl() context to walk the list of available + * tcm_vhost_tpg with an active struct tcm_vhost_nexus + */ +static int vhost_scsi_set_endpoint( + struct vhost_scsi *vs, + struct vhost_scsi_target *t) +{ + struct tcm_vhost_tport *tv_tport; + struct tcm_vhost_tpg *tv_tpg; + int index; + + mutex_lock(&vs->dev.mutex); + /* Verify that ring has been setup correctly. */ + for (index = 0; index < vs->dev.nvqs; ++index) { + /* Verify that ring has been setup correctly. */ + if (!vhost_vq_access_ok(&vs->vqs[index])) { + mutex_unlock(&vs->dev.mutex); + return -EFAULT; + } + } + + if (vs->vs_tpg) { + mutex_unlock(&vs->dev.mutex); + return -EEXIST; + } + mutex_unlock(&vs->dev.mutex); + + mutex_lock(&tcm_vhost_mutex); + list_for_each_entry(tv_tpg, &tcm_vhost_list, tv_tpg_list) { + mutex_lock(&tv_tpg->tv_tpg_mutex); + if (!tv_tpg->tpg_nexus) { + mutex_unlock(&tv_tpg->tv_tpg_mutex); + continue; + } + if (atomic_read(&tv_tpg->tv_tpg_vhost_count)) { + mutex_unlock(&tv_tpg->tv_tpg_mutex); + continue; + } + tv_tport = tv_tpg->tport; + + if (!strcmp(tv_tport->tport_name, t->vhost_wwpn) && + (tv_tpg->tport_tpgt == t->vhost_tpgt)) { + atomic_inc(&tv_tpg->tv_tpg_vhost_count); + smp_mb__after_atomic_inc(); + mutex_unlock(&tv_tpg->tv_tpg_mutex); + mutex_unlock(&tcm_vhost_mutex); + + mutex_lock(&vs->dev.mutex); + vs->vs_tpg = tv_tpg; + atomic_inc(&vs->vhost_ref_cnt); + smp_mb__after_atomic_inc(); + mutex_unlock(&vs->dev.mutex); + return 0; + } + mutex_unlock(&tv_tpg->tv_tpg_mutex); + } + mutex_unlock(&tcm_vhost_mutex); + return -EINVAL; +} + +static int vhost_scsi_clear_endpoint( + struct vhost_scsi *vs, + struct vhost_scsi_target *t) +{ + struct tcm_vhost_tport *tv_tport; + struct tcm_vhost_tpg *tv_tpg; + int index; + + mutex_lock(&vs->dev.mutex); + /* Verify that ring has been setup correctly. */ + for (index = 0; index < vs->dev.nvqs; ++index) { + if (!vhost_vq_access_ok(&vs->vqs[index])) { + mutex_unlock(&vs->dev.mutex); + return -EFAULT; + } + } + + if (!vs->vs_tpg) { + mutex_unlock(&vs->dev.mutex); + return -ENODEV; + } + tv_tpg = vs->vs_tpg; + tv_tport = tv_tpg->tport; + + if (strcmp(tv_tport->tport_name, t->vhost_wwpn) || + (tv_tpg->tport_tpgt != t->vhost_tpgt)) { + mutex_unlock(&vs->dev.mutex); + pr_warn("tv_tport->tport_name: %s, tv_tpg->tport_tpgt: %hu" + " does not match t->vhost_wwpn: %s, t->vhost_tpgt: %hu\n", + tv_tport->tport_name, tv_tpg->tport_tpgt, + t->vhost_wwpn, t->vhost_tpgt); + return -EINVAL; + } + atomic_dec(&tv_tpg->tv_tpg_vhost_count); + vs->vs_tpg = NULL; + mutex_unlock(&vs->dev.mutex); + + return 0; +} + +static int vhost_scsi_open(struct inode *inode, struct file *f) +{ + struct vhost_scsi *s; + int r; + + s = kzalloc(sizeof(*s), GFP_KERNEL); + if (!s) + return -ENOMEM; + + vhost_work_init(&s->vs_completion_work, vhost_scsi_complete_cmd_work); + INIT_LIST_HEAD(&s->vs_completion_list); + spin_lock_init(&s->vs_completion_lock); + + s->vqs[0].handle_kick = vhost_scsi_ctl_handle_kick; + s->vqs[1].handle_kick = vhost_scsi_evt_handle_kick; + s->vqs[2].handle_kick = vhost_scsi_handle_kick; + r = vhost_dev_init(&s->dev, s->vqs, 3); + if (r < 0) { + kfree(s); + return r; + } + + f->private_data = s; + return 0; +} + +static int vhost_scsi_release(struct inode *inode, struct file *f) +{ + struct vhost_scsi *s = f->private_data; + + if (s->vs_tpg && s->vs_tpg->tport) { + struct vhost_scsi_target backend; + + memcpy(backend.vhost_wwpn, s->vs_tpg->tport->tport_name, + sizeof(backend.vhost_wwpn)); + backend.vhost_tpgt = s->vs_tpg->tport_tpgt; + vhost_scsi_clear_endpoint(s, &backend); + } + + vhost_dev_cleanup(&s->dev, false); + kfree(s); + return 0; +} + +static int vhost_scsi_set_features(struct vhost_scsi *vs, u64 features) +{ + if (features & ~VHOST_FEATURES) + return -EOPNOTSUPP; + + mutex_lock(&vs->dev.mutex); + if ((features & (1 << VHOST_F_LOG_ALL)) && + !vhost_log_access_ok(&vs->dev)) { + mutex_unlock(&vs->dev.mutex); + return -EFAULT; + } + vs->dev.acked_features = features; + /* TODO possibly smp_wmb() and flush vqs */ + mutex_unlock(&vs->dev.mutex); + return 0; +} + +static long vhost_scsi_ioctl(struct file *f, unsigned int ioctl, + unsigned long arg) +{ + struct vhost_scsi *vs = f->private_data; + struct vhost_scsi_target backend; + void __user *argp = (void __user *)arg; + u64 __user *featurep = argp; + u64 features; + int r; + + switch (ioctl) { + case VHOST_SCSI_SET_ENDPOINT: + if (copy_from_user(&backend, argp, sizeof backend)) + return -EFAULT; + + return vhost_scsi_set_endpoint(vs, &backend); + case VHOST_SCSI_CLEAR_ENDPOINT: + if (copy_from_user(&backend, argp, sizeof backend)) + return -EFAULT; + + return vhost_scsi_clear_endpoint(vs, &backend); + case VHOST_SCSI_GET_ABI_VERSION: + if (copy_from_user(&backend, argp, sizeof backend)) + return -EFAULT; + + backend.abi_version = VHOST_SCSI_ABI_VERSION; + + if (copy_to_user(argp, &backend, sizeof backend)) + return -EFAULT; + return 0; + case VHOST_GET_FEATURES: + features = VHOST_FEATURES; + if (copy_to_user(featurep, &features, sizeof features)) + return -EFAULT; + return 0; + case VHOST_SET_FEATURES: + if (copy_from_user(&features, featurep, sizeof features)) + return -EFAULT; + return vhost_scsi_set_features(vs, features); + default: + mutex_lock(&vs->dev.mutex); + r = vhost_dev_ioctl(&vs->dev, ioctl, arg); + mutex_unlock(&vs->dev.mutex); + return r; + } +} + +static const struct file_operations vhost_scsi_fops = { + .owner = THIS_MODULE, + .release = vhost_scsi_release, + .unlocked_ioctl = vhost_scsi_ioctl, + /* TODO compat ioctl? */ + .open = vhost_scsi_open, + .llseek = noop_llseek, +}; + +static struct miscdevice vhost_scsi_misc = { + MISC_DYNAMIC_MINOR, + "vhost-scsi", + &vhost_scsi_fops, +}; + +static int __init vhost_scsi_register(void) +{ + return misc_register(&vhost_scsi_misc); +} + +static int vhost_scsi_deregister(void) +{ + return misc_deregister(&vhost_scsi_misc); +} + +static char *tcm_vhost_dump_proto_id(struct tcm_vhost_tport *tport) +{ + switch (tport->tport_proto_id) { + case SCSI_PROTOCOL_SAS: + return "SAS"; + case SCSI_PROTOCOL_FCP: + return "FCP"; + case SCSI_PROTOCOL_ISCSI: + return "iSCSI"; + default: + break; + } + + return "Unknown"; +} + +static int tcm_vhost_port_link( + struct se_portal_group *se_tpg, + struct se_lun *lun) +{ + struct tcm_vhost_tpg *tv_tpg = container_of(se_tpg, + struct tcm_vhost_tpg, se_tpg); + + atomic_inc(&tv_tpg->tv_tpg_port_count); + smp_mb__after_atomic_inc(); + + return 0; +} + +static void tcm_vhost_port_unlink( + struct se_portal_group *se_tpg, + struct se_lun *se_lun) +{ + struct tcm_vhost_tpg *tv_tpg = container_of(se_tpg, + struct tcm_vhost_tpg, se_tpg); + + atomic_dec(&tv_tpg->tv_tpg_port_count); + smp_mb__after_atomic_dec(); +} + +static struct se_node_acl *tcm_vhost_make_nodeacl( + struct se_portal_group *se_tpg, + struct config_group *group, + const char *name) +{ + struct se_node_acl *se_nacl, *se_nacl_new; + struct tcm_vhost_nacl *nacl; + u64 wwpn = 0; + u32 nexus_depth; + + /* tcm_vhost_parse_wwn(name, &wwpn, 1) < 0) + return ERR_PTR(-EINVAL); */ + se_nacl_new = tcm_vhost_alloc_fabric_acl(se_tpg); + if (!se_nacl_new) + return ERR_PTR(-ENOMEM); + + nexus_depth = 1; + /* + * se_nacl_new may be released by core_tpg_add_initiator_node_acl() + * when converting a NodeACL from demo mode -> explict + */ + se_nacl = core_tpg_add_initiator_node_acl(se_tpg, se_nacl_new, + name, nexus_depth); + if (IS_ERR(se_nacl)) { + tcm_vhost_release_fabric_acl(se_tpg, se_nacl_new); + return se_nacl; + } + /* + * Locate our struct tcm_vhost_nacl and set the FC Nport WWPN + */ + nacl = container_of(se_nacl, struct tcm_vhost_nacl, se_node_acl); + nacl->iport_wwpn = wwpn; + + return se_nacl; +} + +static void tcm_vhost_drop_nodeacl(struct se_node_acl *se_acl) +{ + struct tcm_vhost_nacl *nacl = container_of(se_acl, + struct tcm_vhost_nacl, se_node_acl); + core_tpg_del_initiator_node_acl(se_acl->se_tpg, se_acl, 1); + kfree(nacl); +} + +static int tcm_vhost_make_nexus( + struct tcm_vhost_tpg *tv_tpg, + const char *name) +{ + struct se_portal_group *se_tpg; + struct tcm_vhost_nexus *tv_nexus; + + mutex_lock(&tv_tpg->tv_tpg_mutex); + if (tv_tpg->tpg_nexus) { + mutex_unlock(&tv_tpg->tv_tpg_mutex); + pr_debug("tv_tpg->tpg_nexus already exists\n"); + return -EEXIST; + } + se_tpg = &tv_tpg->se_tpg; + + tv_nexus = kzalloc(sizeof(struct tcm_vhost_nexus), GFP_KERNEL); + if (!tv_nexus) { + mutex_unlock(&tv_tpg->tv_tpg_mutex); + pr_err("Unable to allocate struct tcm_vhost_nexus\n"); + return -ENOMEM; + } + /* + * Initialize the struct se_session pointer + */ + tv_nexus->tvn_se_sess = transport_init_session(); + if (IS_ERR(tv_nexus->tvn_se_sess)) { + mutex_unlock(&tv_tpg->tv_tpg_mutex); + kfree(tv_nexus); + return -ENOMEM; + } + /* + * Since we are running in 'demo mode' this call with generate a + * struct se_node_acl for the tcm_vhost struct se_portal_group with + * the SCSI Initiator port name of the passed configfs group 'name'. + */ + tv_nexus->tvn_se_sess->se_node_acl = core_tpg_check_initiator_node_acl( + se_tpg, (unsigned char *)name); + if (!tv_nexus->tvn_se_sess->se_node_acl) { + mutex_unlock(&tv_tpg->tv_tpg_mutex); + pr_debug("core_tpg_check_initiator_node_acl() failed" + " for %s\n", name); + transport_free_session(tv_nexus->tvn_se_sess); + kfree(tv_nexus); + return -ENOMEM; + } + /* + * Now register the TCM vHost virtual I_T Nexus as active with the + * call to __transport_register_session() + */ + __transport_register_session(se_tpg, tv_nexus->tvn_se_sess->se_node_acl, + tv_nexus->tvn_se_sess, tv_nexus); + tv_tpg->tpg_nexus = tv_nexus; + + mutex_unlock(&tv_tpg->tv_tpg_mutex); + return 0; +} + +static int tcm_vhost_drop_nexus( + struct tcm_vhost_tpg *tpg) +{ + struct se_session *se_sess; + struct tcm_vhost_nexus *tv_nexus; + + mutex_lock(&tpg->tv_tpg_mutex); + tv_nexus = tpg->tpg_nexus; + if (!tv_nexus) { + mutex_unlock(&tpg->tv_tpg_mutex); + return -ENODEV; + } + + se_sess = tv_nexus->tvn_se_sess; + if (!se_sess) { + mutex_unlock(&tpg->tv_tpg_mutex); + return -ENODEV; + } + + if (atomic_read(&tpg->tv_tpg_port_count)) { + mutex_unlock(&tpg->tv_tpg_mutex); + pr_err("Unable to remove TCM_vHost I_T Nexus with" + " active TPG port count: %d\n", + atomic_read(&tpg->tv_tpg_port_count)); + return -EPERM; + } + + if (atomic_read(&tpg->tv_tpg_vhost_count)) { + mutex_unlock(&tpg->tv_tpg_mutex); + pr_err("Unable to remove TCM_vHost I_T Nexus with" + " active TPG vhost count: %d\n", + atomic_read(&tpg->tv_tpg_vhost_count)); + return -EPERM; + } + + pr_debug("TCM_vHost_ConfigFS: Removing I_T Nexus to emulated" + " %s Initiator Port: %s\n", tcm_vhost_dump_proto_id(tpg->tport), + tv_nexus->tvn_se_sess->se_node_acl->initiatorname); + /* + * Release the SCSI I_T Nexus to the emulated vHost Target Port + */ + transport_deregister_session(tv_nexus->tvn_se_sess); + tpg->tpg_nexus = NULL; + mutex_unlock(&tpg->tv_tpg_mutex); + + kfree(tv_nexus); + return 0; +} + +static ssize_t tcm_vhost_tpg_show_nexus( + struct se_portal_group *se_tpg, + char *page) +{ + struct tcm_vhost_tpg *tv_tpg = container_of(se_tpg, + struct tcm_vhost_tpg, se_tpg); + struct tcm_vhost_nexus *tv_nexus; + ssize_t ret; + + mutex_lock(&tv_tpg->tv_tpg_mutex); + tv_nexus = tv_tpg->tpg_nexus; + if (!tv_nexus) { + mutex_unlock(&tv_tpg->tv_tpg_mutex); + return -ENODEV; + } + ret = snprintf(page, PAGE_SIZE, "%s\n", + tv_nexus->tvn_se_sess->se_node_acl->initiatorname); + mutex_unlock(&tv_tpg->tv_tpg_mutex); + + return ret; +} + +static ssize_t tcm_vhost_tpg_store_nexus( + struct se_portal_group *se_tpg, + const char *page, + size_t count) +{ + struct tcm_vhost_tpg *tv_tpg = container_of(se_tpg, + struct tcm_vhost_tpg, se_tpg); + struct tcm_vhost_tport *tport_wwn = tv_tpg->tport; + unsigned char i_port[TCM_VHOST_NAMELEN], *ptr, *port_ptr; + int ret; + /* + * Shutdown the active I_T nexus if 'NULL' is passed.. + */ + if (!strncmp(page, "NULL", 4)) { + ret = tcm_vhost_drop_nexus(tv_tpg); + return (!ret) ? count : ret; + } + /* + * Otherwise make sure the passed virtual Initiator port WWN matches + * the fabric protocol_id set in tcm_vhost_make_tport(), and call + * tcm_vhost_make_nexus(). + */ + if (strlen(page) >= TCM_VHOST_NAMELEN) { + pr_err("Emulated NAA Sas Address: %s, exceeds" + " max: %d\n", page, TCM_VHOST_NAMELEN); + return -EINVAL; + } + snprintf(&i_port[0], TCM_VHOST_NAMELEN, "%s", page); + + ptr = strstr(i_port, "naa."); + if (ptr) { + if (tport_wwn->tport_proto_id != SCSI_PROTOCOL_SAS) { + pr_err("Passed SAS Initiator Port %s does not" + " match target port protoid: %s\n", i_port, + tcm_vhost_dump_proto_id(tport_wwn)); + return -EINVAL; + } + port_ptr = &i_port[0]; + goto check_newline; + } + ptr = strstr(i_port, "fc."); + if (ptr) { + if (tport_wwn->tport_proto_id != SCSI_PROTOCOL_FCP) { + pr_err("Passed FCP Initiator Port %s does not" + " match target port protoid: %s\n", i_port, + tcm_vhost_dump_proto_id(tport_wwn)); + return -EINVAL; + } + port_ptr = &i_port[3]; /* Skip over "fc." */ + goto check_newline; + } + ptr = strstr(i_port, "iqn."); + if (ptr) { + if (tport_wwn->tport_proto_id != SCSI_PROTOCOL_ISCSI) { + pr_err("Passed iSCSI Initiator Port %s does not" + " match target port protoid: %s\n", i_port, + tcm_vhost_dump_proto_id(tport_wwn)); + return -EINVAL; + } + port_ptr = &i_port[0]; + goto check_newline; + } + pr_err("Unable to locate prefix for emulated Initiator Port:" + " %s\n", i_port); + return -EINVAL; + /* + * Clear any trailing newline for the NAA WWN + */ +check_newline: + if (i_port[strlen(i_port)-1] == '\n') + i_port[strlen(i_port)-1] = '\0'; + + ret = tcm_vhost_make_nexus(tv_tpg, port_ptr); + if (ret < 0) + return ret; + + return count; +} + +TF_TPG_BASE_ATTR(tcm_vhost, nexus, S_IRUGO | S_IWUSR); + +static struct configfs_attribute *tcm_vhost_tpg_attrs[] = { + &tcm_vhost_tpg_nexus.attr, + NULL, +}; + +static struct se_portal_group *tcm_vhost_make_tpg( + struct se_wwn *wwn, + struct config_group *group, + const char *name) +{ + struct tcm_vhost_tport *tport = container_of(wwn, + struct tcm_vhost_tport, tport_wwn); + + struct tcm_vhost_tpg *tpg; + unsigned long tpgt; + int ret; + + if (strstr(name, "tpgt_") != name) + return ERR_PTR(-EINVAL); + if (kstrtoul(name + 5, 10, &tpgt) || tpgt > UINT_MAX) + return ERR_PTR(-EINVAL); + + tpg = kzalloc(sizeof(struct tcm_vhost_tpg), GFP_KERNEL); + if (!tpg) { + pr_err("Unable to allocate struct tcm_vhost_tpg"); + return ERR_PTR(-ENOMEM); + } + mutex_init(&tpg->tv_tpg_mutex); + INIT_LIST_HEAD(&tpg->tv_tpg_list); + tpg->tport = tport; + tpg->tport_tpgt = tpgt; + + ret = core_tpg_register(&tcm_vhost_fabric_configfs->tf_ops, wwn, + &tpg->se_tpg, tpg, TRANSPORT_TPG_TYPE_NORMAL); + if (ret < 0) { + kfree(tpg); + return NULL; + } + mutex_lock(&tcm_vhost_mutex); + list_add_tail(&tpg->tv_tpg_list, &tcm_vhost_list); + mutex_unlock(&tcm_vhost_mutex); + + return &tpg->se_tpg; +} + +static void tcm_vhost_drop_tpg(struct se_portal_group *se_tpg) +{ + struct tcm_vhost_tpg *tpg = container_of(se_tpg, + struct tcm_vhost_tpg, se_tpg); + + mutex_lock(&tcm_vhost_mutex); + list_del(&tpg->tv_tpg_list); + mutex_unlock(&tcm_vhost_mutex); + /* + * Release the virtual I_T Nexus for this vHost TPG + */ + tcm_vhost_drop_nexus(tpg); + /* + * Deregister the se_tpg from TCM.. + */ + core_tpg_deregister(se_tpg); + kfree(tpg); +} + +static struct se_wwn *tcm_vhost_make_tport( + struct target_fabric_configfs *tf, + struct config_group *group, + const char *name) +{ + struct tcm_vhost_tport *tport; + char *ptr; + u64 wwpn = 0; + int off = 0; + + /* if (tcm_vhost_parse_wwn(name, &wwpn, 1) < 0) + return ERR_PTR(-EINVAL); */ + + tport = kzalloc(sizeof(struct tcm_vhost_tport), GFP_KERNEL); + if (!tport) { + pr_err("Unable to allocate struct tcm_vhost_tport"); + return ERR_PTR(-ENOMEM); + } + tport->tport_wwpn = wwpn; + /* + * Determine the emulated Protocol Identifier and Target Port Name + * based on the incoming configfs directory name. + */ + ptr = strstr(name, "naa."); + if (ptr) { + tport->tport_proto_id = SCSI_PROTOCOL_SAS; + goto check_len; + } + ptr = strstr(name, "fc."); + if (ptr) { + tport->tport_proto_id = SCSI_PROTOCOL_FCP; + off = 3; /* Skip over "fc." */ + goto check_len; + } + ptr = strstr(name, "iqn."); + if (ptr) { + tport->tport_proto_id = SCSI_PROTOCOL_ISCSI; + goto check_len; + } + + pr_err("Unable to locate prefix for emulated Target Port:" + " %s\n", name); + kfree(tport); + return ERR_PTR(-EINVAL); + +check_len: + if (strlen(name) >= TCM_VHOST_NAMELEN) { + pr_err("Emulated %s Address: %s, exceeds" + " max: %d\n", name, tcm_vhost_dump_proto_id(tport), + TCM_VHOST_NAMELEN); + kfree(tport); + return ERR_PTR(-EINVAL); + } + snprintf(&tport->tport_name[0], TCM_VHOST_NAMELEN, "%s", &name[off]); + + pr_debug("TCM_VHost_ConfigFS: Allocated emulated Target" + " %s Address: %s\n", tcm_vhost_dump_proto_id(tport), name); + + return &tport->tport_wwn; +} + +static void tcm_vhost_drop_tport(struct se_wwn *wwn) +{ + struct tcm_vhost_tport *tport = container_of(wwn, + struct tcm_vhost_tport, tport_wwn); + + pr_debug("TCM_VHost_ConfigFS: Deallocating emulated Target" + " %s Address: %s\n", tcm_vhost_dump_proto_id(tport), + tport->tport_name); + + kfree(tport); +} + +static ssize_t tcm_vhost_wwn_show_attr_version( + struct target_fabric_configfs *tf, + char *page) +{ + return sprintf(page, "TCM_VHOST fabric module %s on %s/%s" + "on "UTS_RELEASE"\n", TCM_VHOST_VERSION, utsname()->sysname, + utsname()->machine); +} + +TF_WWN_ATTR_RO(tcm_vhost, version); + +static struct configfs_attribute *tcm_vhost_wwn_attrs[] = { + &tcm_vhost_wwn_version.attr, + NULL, +}; + +static struct target_core_fabric_ops tcm_vhost_ops = { + .get_fabric_name = tcm_vhost_get_fabric_name, + .get_fabric_proto_ident = tcm_vhost_get_fabric_proto_ident, + .tpg_get_wwn = tcm_vhost_get_fabric_wwn, + .tpg_get_tag = tcm_vhost_get_tag, + .tpg_get_default_depth = tcm_vhost_get_default_depth, + .tpg_get_pr_transport_id = tcm_vhost_get_pr_transport_id, + .tpg_get_pr_transport_id_len = tcm_vhost_get_pr_transport_id_len, + .tpg_parse_pr_out_transport_id = tcm_vhost_parse_pr_out_transport_id, + .tpg_check_demo_mode = tcm_vhost_check_true, + .tpg_check_demo_mode_cache = tcm_vhost_check_true, + .tpg_check_demo_mode_write_protect = tcm_vhost_check_false, + .tpg_check_prod_mode_write_protect = tcm_vhost_check_false, + .tpg_alloc_fabric_acl = tcm_vhost_alloc_fabric_acl, + .tpg_release_fabric_acl = tcm_vhost_release_fabric_acl, + .tpg_get_inst_index = tcm_vhost_tpg_get_inst_index, + .release_cmd = tcm_vhost_release_cmd, + .shutdown_session = tcm_vhost_shutdown_session, + .close_session = tcm_vhost_close_session, + .sess_get_index = tcm_vhost_sess_get_index, + .sess_get_initiator_sid = NULL, + .write_pending = tcm_vhost_write_pending, + .write_pending_status = tcm_vhost_write_pending_status, + .set_default_node_attributes = tcm_vhost_set_default_node_attrs, + .get_task_tag = tcm_vhost_get_task_tag, + .get_cmd_state = tcm_vhost_get_cmd_state, + .queue_data_in = tcm_vhost_queue_data_in, + .queue_status = tcm_vhost_queue_status, + .queue_tm_rsp = tcm_vhost_queue_tm_rsp, + .get_fabric_sense_len = tcm_vhost_get_fabric_sense_len, + .set_fabric_sense_len = tcm_vhost_set_fabric_sense_len, + /* + * Setup callers for generic logic in target_core_fabric_configfs.c + */ + .fabric_make_wwn = tcm_vhost_make_tport, + .fabric_drop_wwn = tcm_vhost_drop_tport, + .fabric_make_tpg = tcm_vhost_make_tpg, + .fabric_drop_tpg = tcm_vhost_drop_tpg, + .fabric_post_link = tcm_vhost_port_link, + .fabric_pre_unlink = tcm_vhost_port_unlink, + .fabric_make_np = NULL, + .fabric_drop_np = NULL, + .fabric_make_nodeacl = tcm_vhost_make_nodeacl, + .fabric_drop_nodeacl = tcm_vhost_drop_nodeacl, +}; + +static int tcm_vhost_register_configfs(void) +{ + struct target_fabric_configfs *fabric; + int ret; + + pr_debug("TCM_VHOST fabric module %s on %s/%s" + " on "UTS_RELEASE"\n", TCM_VHOST_VERSION, utsname()->sysname, + utsname()->machine); + /* + * Register the top level struct config_item_type with TCM core + */ + fabric = target_fabric_configfs_init(THIS_MODULE, "vhost"); + if (IS_ERR(fabric)) { + pr_err("target_fabric_configfs_init() failed\n"); + return PTR_ERR(fabric); + } + /* + * Setup fabric->tf_ops from our local tcm_vhost_ops + */ + fabric->tf_ops = tcm_vhost_ops; + /* + * Setup default attribute lists for various fabric->tf_cit_tmpl + */ + TF_CIT_TMPL(fabric)->tfc_wwn_cit.ct_attrs = tcm_vhost_wwn_attrs; + TF_CIT_TMPL(fabric)->tfc_tpg_base_cit.ct_attrs = tcm_vhost_tpg_attrs; + TF_CIT_TMPL(fabric)->tfc_tpg_attrib_cit.ct_attrs = NULL; + TF_CIT_TMPL(fabric)->tfc_tpg_param_cit.ct_attrs = NULL; + TF_CIT_TMPL(fabric)->tfc_tpg_np_base_cit.ct_attrs = NULL; + TF_CIT_TMPL(fabric)->tfc_tpg_nacl_base_cit.ct_attrs = NULL; + TF_CIT_TMPL(fabric)->tfc_tpg_nacl_attrib_cit.ct_attrs = NULL; + TF_CIT_TMPL(fabric)->tfc_tpg_nacl_auth_cit.ct_attrs = NULL; + TF_CIT_TMPL(fabric)->tfc_tpg_nacl_param_cit.ct_attrs = NULL; + /* + * Register the fabric for use within TCM + */ + ret = target_fabric_configfs_register(fabric); + if (ret < 0) { + pr_err("target_fabric_configfs_register() failed" + " for TCM_VHOST\n"); + return ret; + } + /* + * Setup our local pointer to *fabric + */ + tcm_vhost_fabric_configfs = fabric; + pr_debug("TCM_VHOST[0] - Set fabric -> tcm_vhost_fabric_configfs\n"); + return 0; +}; + +static void tcm_vhost_deregister_configfs(void) +{ + if (!tcm_vhost_fabric_configfs) + return; + + target_fabric_configfs_deregister(tcm_vhost_fabric_configfs); + tcm_vhost_fabric_configfs = NULL; + pr_debug("TCM_VHOST[0] - Cleared tcm_vhost_fabric_configfs\n"); +}; + +static int __init tcm_vhost_init(void) +{ + int ret = -ENOMEM; + + tcm_vhost_workqueue = alloc_workqueue("tcm_vhost", 0, 0); + if (!tcm_vhost_workqueue) + goto out; + + ret = vhost_scsi_register(); + if (ret < 0) + goto out_destroy_workqueue; + + ret = tcm_vhost_register_configfs(); + if (ret < 0) + goto out_vhost_scsi_deregister; + + return 0; + +out_vhost_scsi_deregister: + vhost_scsi_deregister(); +out_destroy_workqueue: + destroy_workqueue(tcm_vhost_workqueue); +out: + return ret; +}; + +static void tcm_vhost_exit(void) +{ + tcm_vhost_deregister_configfs(); + vhost_scsi_deregister(); + destroy_workqueue(tcm_vhost_workqueue); +}; + +MODULE_DESCRIPTION("TCM_VHOST series fabric driver"); +MODULE_LICENSE("GPL"); +module_init(tcm_vhost_init); +module_exit(tcm_vhost_exit); diff --git a/drivers/vhost/tcm_vhost.h b/drivers/vhost/tcm_vhost.h new file mode 100644 index 00000000000..c983ed21e41 --- /dev/null +++ b/drivers/vhost/tcm_vhost.h @@ -0,0 +1,101 @@ +#define TCM_VHOST_VERSION "v0.1" +#define TCM_VHOST_NAMELEN 256 +#define TCM_VHOST_MAX_CDB_SIZE 32 + +struct tcm_vhost_cmd { + /* Descriptor from vhost_get_vq_desc() for virt_queue segment */ + int tvc_vq_desc; + /* The Tag from include/linux/virtio_scsi.h:struct virtio_scsi_cmd_req */ + u64 tvc_tag; + /* The number of scatterlists associated with this cmd */ + u32 tvc_sgl_count; + /* Saved unpacked SCSI LUN for tcm_vhost_submission_work() */ + u32 tvc_lun; + /* Pointer to the SGL formatted memory from virtio-scsi */ + struct scatterlist *tvc_sgl; + /* Pointer to response */ + struct virtio_scsi_cmd_resp __user *tvc_resp; + /* Pointer to vhost_scsi for our device */ + struct vhost_scsi *tvc_vhost; + /* The TCM I/O descriptor that is accessed via container_of() */ + struct se_cmd tvc_se_cmd; + /* work item used for cmwq dispatch to tcm_vhost_submission_work() */ + struct work_struct work; + /* Copy of the incoming SCSI command descriptor block (CDB) */ + unsigned char tvc_cdb[TCM_VHOST_MAX_CDB_SIZE]; + /* Sense buffer that will be mapped into outgoing status */ + unsigned char tvc_sense_buf[TRANSPORT_SENSE_BUFFER]; + /* Completed commands list, serviced from vhost worker thread */ + struct list_head tvc_completion_list; +}; + +struct tcm_vhost_nexus { + /* Pointer to TCM session for I_T Nexus */ + struct se_session *tvn_se_sess; +}; + +struct tcm_vhost_nacl { + /* Binary World Wide unique Port Name for Vhost Initiator port */ + u64 iport_wwpn; + /* ASCII formatted WWPN for Sas Initiator port */ + char iport_name[TCM_VHOST_NAMELEN]; + /* Returned by tcm_vhost_make_nodeacl() */ + struct se_node_acl se_node_acl; +}; + +struct tcm_vhost_tpg { + /* Vhost port target portal group tag for TCM */ + u16 tport_tpgt; + /* Used to track number of TPG Port/Lun Links wrt to explict I_T Nexus shutdown */ + atomic_t tv_tpg_port_count; + /* Used for vhost_scsi device reference to tpg_nexus */ + atomic_t tv_tpg_vhost_count; + /* list for tcm_vhost_list */ + struct list_head tv_tpg_list; + /* Used to protect access for tpg_nexus */ + struct mutex tv_tpg_mutex; + /* Pointer to the TCM VHost I_T Nexus for this TPG endpoint */ + struct tcm_vhost_nexus *tpg_nexus; + /* Pointer back to tcm_vhost_tport */ + struct tcm_vhost_tport *tport; + /* Returned by tcm_vhost_make_tpg() */ + struct se_portal_group se_tpg; +}; + +struct tcm_vhost_tport { + /* SCSI protocol the tport is providing */ + u8 tport_proto_id; + /* Binary World Wide unique Port Name for Vhost Target port */ + u64 tport_wwpn; + /* ASCII formatted WWPN for Vhost Target port */ + char tport_name[TCM_VHOST_NAMELEN]; + /* Returned by tcm_vhost_make_tport() */ + struct se_wwn tport_wwn; +}; + +/* + * As per request from MST, keep TCM_VHOST related ioctl defines out of + * linux/vhost.h (user-space) for now.. + */ + +#include <linux/vhost.h> + +/* + * Used by QEMU userspace to ensure a consistent vhost-scsi ABI. + * + * ABI Rev 0: July 2012 version starting point for v3.6-rc merge candidate + + * RFC-v2 vhost-scsi userspace. Add GET_ABI_VERSION ioctl usage + */ + +#define VHOST_SCSI_ABI_VERSION 0 + +struct vhost_scsi_target { + int abi_version; + unsigned char vhost_wwpn[TRANSPORT_IQN_LEN]; + unsigned short vhost_tpgt; +}; + +/* VHOST_SCSI specific defines */ +#define VHOST_SCSI_SET_ENDPOINT _IOW(VHOST_VIRTIO, 0x40, struct vhost_scsi_target) +#define VHOST_SCSI_CLEAR_ENDPOINT _IOW(VHOST_VIRTIO, 0x41, struct vhost_scsi_target) +#define VHOST_SCSI_GET_ABI_VERSION _IOW(VHOST_VIRTIO, 0x42, struct vhost_scsi_target) diff --git a/drivers/w1/slaves/w1_therm.c b/drivers/w1/slaves/w1_therm.c index d90062b211f..92d08e7fcba 100644 --- a/drivers/w1/slaves/w1_therm.c +++ b/drivers/w1/slaves/w1_therm.c @@ -91,6 +91,11 @@ static struct w1_family w1_therm_family_DS28EA00 = { .fops = &w1_therm_fops, }; +static struct w1_family w1_therm_family_DS1825 = { + .fid = W1_THERM_DS1825, + .fops = &w1_therm_fops, +}; + struct w1_therm_family_converter { u8 broken; @@ -120,6 +125,10 @@ static struct w1_therm_family_converter w1_therm_families[] = { .f = &w1_therm_family_DS28EA00, .convert = w1_DS18B20_convert_temp }, + { + .f = &w1_therm_family_DS1825, + .convert = w1_DS18B20_convert_temp + } }; static inline int w1_DS18B20_convert_temp(u8 rom[9]) diff --git a/drivers/w1/w1_family.h b/drivers/w1/w1_family.h index b00ada44a89..a1f0ce151d5 100644 --- a/drivers/w1/w1_family.h +++ b/drivers/w1/w1_family.h @@ -39,6 +39,7 @@ #define W1_EEPROM_DS2431 0x2D #define W1_FAMILY_DS2760 0x30 #define W1_FAMILY_DS2780 0x32 +#define W1_THERM_DS1825 0x3B #define W1_FAMILY_DS2781 0x3D #define W1_THERM_DS28EA00 0x42 diff --git a/drivers/zorro/zorro.c b/drivers/zorro/zorro.c index 181fa8158a8..858c9714b2f 100644 --- a/drivers/zorro/zorro.c +++ b/drivers/zorro/zorro.c @@ -37,7 +37,6 @@ struct zorro_dev zorro_autocon[ZORRO_NUM_AUTO]; */ struct zorro_bus { - struct list_head devices; /* list of devices on this bus */ struct device dev; }; @@ -136,7 +135,6 @@ static int __init amiga_zorro_probe(struct platform_device *pdev) if (!bus) return -ENOMEM; - INIT_LIST_HEAD(&bus->devices); bus->dev.parent = &pdev->dev; dev_set_name(&bus->dev, "zorro"); error = device_register(&bus->dev); |