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authorLinus Torvalds <torvalds@linux-foundation.org>2014-01-24 15:51:02 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2014-01-24 15:51:02 -0800
commit09da8dfa98682d871987145ed11e3232accac860 (patch)
tree152a9bb1e52f70db6efb66fffbdc4871f749d7df /include/linux
parent3aacd625f20129f5a41ea3ff3b5353b0e4dabd01 (diff)
parent7744064731a9543105e207504e0262f883bc14c0 (diff)
Merge tag 'pm+acpi-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management updates from Rafael Wysocki: "As far as the number of commits goes, the top spot belongs to ACPI this time with cpufreq in the second position and a handful of PM core, PNP and cpuidle updates. They are fixes and cleanups mostly, as usual, with a couple of new features in the mix. The most visible change is probably that we will create struct acpi_device objects (visible in sysfs) for all devices represented in the ACPI tables regardless of their status and there will be a new sysfs attribute under those objects allowing user space to check that status via _STA. Consequently, ACPI device eject or generally hot-removal will not delete those objects, unless the table containing the corresponding namespace nodes is unloaded, which is extremely rare. Also ACPI container hotplug will be handled quite a bit differently and cpufreq will support CPU boost ("turbo") generically and not only in the acpi-cpufreq driver. Specifics: - ACPI core changes to make it create a struct acpi_device object for every device represented in the ACPI tables during all namespace scans regardless of the current status of that device. In accordance with this, ACPI hotplug operations will not delete those objects, unless the underlying ACPI tables go away. - On top of the above, new sysfs attribute for ACPI device objects allowing user space to check device status by triggering the execution of _STA for its ACPI object. From Srinivas Pandruvada. - ACPI core hotplug changes reducing code duplication, integrating the PCI root hotplug with the core and reworking container hotplug. - ACPI core simplifications making it use ACPI_COMPANION() in the code "glueing" ACPI device objects to "physical" devices. - ACPICA update to upstream version 20131218. This adds support for the DBG2 and PCCT tables to ACPICA, fixes some bugs and improves debug facilities. From Bob Moore, Lv Zheng and Betty Dall. - Init code change to carry out the early ACPI initialization earlier. That should allow us to use ACPI during the timekeeping initialization and possibly to simplify the EFI initialization too. From Chun-Yi Lee. - Clenups of the inclusions of ACPI headers in many places all over from Lv Zheng and Rashika Kheria (work in progress). - New helper for ACPI _DSM execution and rework of the code in drivers that uses _DSM to execute it via the new helper. From Jiang Liu. - New Win8 OSI blacklist entries from Takashi Iwai. - Assorted ACPI fixes and cleanups from Al Stone, Emil Goode, Hanjun Guo, Lan Tianyu, Masanari Iida, Oliver Neukum, Prarit Bhargava, Rashika Kheria, Tang Chen, Zhang Rui. - intel_pstate driver updates, including proper Baytrail support, from Dirk Brandewie and intel_pstate documentation from Ramkumar Ramachandra. - Generic CPU boost ("turbo") support for cpufreq from Lukasz Majewski. - powernow-k6 cpufreq driver fixes from Mikulas Patocka. - cpufreq core fixes and cleanups from Viresh Kumar, Jane Li, Mark Brown. - Assorted cpufreq drivers fixes and cleanups from Anson Huang, John Tobias, Paul Bolle, Paul Walmsley, Sachin Kamat, Shawn Guo, Viresh Kumar. - cpuidle cleanups from Bartlomiej Zolnierkiewicz. - Support for hibernation APM events from Bin Shi. - Hibernation fix to avoid bringing up nonboot CPUs with ACPI EC disabled during thaw transitions from Bjørn Mork. - PM core fixes and cleanups from Ben Dooks, Leonardo Potenza, Ulf Hansson. - PNP subsystem fixes and cleanups from Dmitry Torokhov, Levente Kurusa, Rashika Kheria. - New tool for profiling system suspend from Todd E Brandt and a cpupower tool cleanup from One Thousand Gnomes" * tag 'pm+acpi-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (153 commits) thermal: exynos: boost: Automatic enable/disable of BOOST feature (at Exynos4412) cpufreq: exynos4x12: Change L0 driver data to CPUFREQ_BOOST_FREQ Documentation: cpufreq / boost: Update BOOST documentation cpufreq: exynos: Extend Exynos cpufreq driver to support boost cpufreq / boost: Kconfig: Support for software-managed BOOST acpi-cpufreq: Adjust the code to use the common boost attribute cpufreq: Add boost frequency support in core intel_pstate: Add trace point to report internal state. cpufreq: introduce cpufreq_generic_get() routine ARM: SA1100: Create dummy clk_get_rate() to avoid build failures cpufreq: stats: create sysfs entries when cpufreq_stats is a module cpufreq: stats: free table and remove sysfs entry in a single routine cpufreq: stats: remove hotplug notifiers cpufreq: stats: handle cpufreq_unregister_driver() and suspend/resume properly cpufreq: speedstep: remove unused speedstep_get_state platform: introduce OF style 'modalias' support for platform bus PM / tools: new tool for suspend/resume performance optimization ACPI: fix module autoloading for ACPI enumerated devices ACPI: add module autoloading support for ACPI enumerated devices ACPI: fix create_modalias() return value handling ...
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/acpi.h24
-rw-r--r--include/linux/acpi_io.h18
-rw-r--r--include/linux/container.h25
-rw-r--r--include/linux/cpufreq.h42
-rw-r--r--include/linux/ide.h8
-rw-r--r--include/linux/iscsi_ibft.h2
-rw-r--r--include/linux/of_device.h6
-rw-r--r--include/linux/pci_hotplug.h3
-rw-r--r--include/linux/pm.h21
-rw-r--r--include/linux/pm_runtime.h12
-rw-r--r--include/linux/sfi_acpi.h5
-rw-r--r--include/linux/tboot.h2
12 files changed, 134 insertions, 34 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index d9099b15b47..1151a1dcfe4 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -42,6 +42,7 @@
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
#include <acpi/acpi_numa.h>
+#include <acpi/acpi_io.h>
#include <asm/acpi.h>
static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
@@ -53,6 +54,12 @@ static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
#define ACPI_COMPANION_SET(dev, adev) ACPI_COMPANION(dev) = (adev)
#define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))
+static inline void acpi_preset_companion(struct device *dev,
+ struct acpi_device *parent, u64 addr)
+{
+ ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, NULL));
+}
+
static inline const char *acpi_dev_name(struct acpi_device *adev)
{
return dev_name(&adev->dev);
@@ -409,6 +416,9 @@ static inline bool acpi_driver_match_device(struct device *dev,
return !!acpi_match_device(drv->acpi_match_table, dev);
}
+int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
+int acpi_device_modalias(struct device *, char *, int);
+
#define ACPI_PTR(_ptr) (_ptr)
#else /* !CONFIG_ACPI */
@@ -460,7 +470,7 @@ struct acpi_table_header;
static inline int acpi_table_parse(char *id,
int (*handler)(struct acpi_table_header *))
{
- return -1;
+ return -ENODEV;
}
static inline int acpi_nvs_register(__u64 start, __u64 size)
@@ -488,6 +498,18 @@ static inline bool acpi_driver_match_device(struct device *dev,
return false;
}
+static inline int acpi_device_uevent_modalias(struct device *dev,
+ struct kobj_uevent_env *env)
+{
+ return -ENODEV;
+}
+
+static inline int acpi_device_modalias(struct device *dev,
+ char *buf, int size)
+{
+ return -ENODEV;
+}
+
#define ACPI_PTR(_ptr) (NULL)
#endif /* !CONFIG_ACPI */
diff --git a/include/linux/acpi_io.h b/include/linux/acpi_io.h
deleted file mode 100644
index b0ffa219993..00000000000
--- a/include/linux/acpi_io.h
+++ /dev/null
@@ -1,18 +0,0 @@
-#ifndef _ACPI_IO_H_
-#define _ACPI_IO_H_
-
-#include <linux/io.h>
-#include <acpi/acpi.h>
-
-static inline void __iomem *acpi_os_ioremap(acpi_physical_address phys,
- acpi_size size)
-{
- return ioremap_cache(phys, size);
-}
-
-void __iomem *acpi_os_get_iomem(acpi_physical_address phys, unsigned int size);
-
-int acpi_os_map_generic_address(struct acpi_generic_address *addr);
-void acpi_os_unmap_generic_address(struct acpi_generic_address *addr);
-
-#endif
diff --git a/include/linux/container.h b/include/linux/container.h
new file mode 100644
index 00000000000..3c03e6fd203
--- /dev/null
+++ b/include/linux/container.h
@@ -0,0 +1,25 @@
+/*
+ * Definitions for container bus type.
+ *
+ * Copyright (C) 2013, Intel Corporation
+ * Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
+ *
+ * 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
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/device.h>
+
+/* drivers/base/power/container.c */
+extern struct bus_type container_subsys;
+
+struct container_dev {
+ struct device dev;
+ int (*offline)(struct container_dev *cdev);
+};
+
+static inline struct container_dev *to_container_dev(struct device *dev)
+{
+ return container_of(dev, struct container_dev, dev);
+}
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index dc196bbcf22..4d89e0e6f9c 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -11,6 +11,7 @@
#ifndef _LINUX_CPUFREQ_H
#define _LINUX_CPUFREQ_H
+#include <linux/clk.h>
#include <linux/cpumask.h>
#include <linux/completion.h>
#include <linux/kobject.h>
@@ -66,6 +67,7 @@ struct cpufreq_policy {
unsigned int cpu; /* cpu nr of CPU managing this policy */
unsigned int last_cpu; /* cpu nr of previous CPU that managed
* this policy */
+ struct clk *clk;
struct cpufreq_cpuinfo cpuinfo;/* see above */
unsigned int min; /* in kHz */
@@ -225,6 +227,11 @@ struct cpufreq_driver {
int (*suspend) (struct cpufreq_policy *policy);
int (*resume) (struct cpufreq_policy *policy);
struct freq_attr **attr;
+
+ /* platform specific boost support code */
+ bool boost_supported;
+ bool boost_enabled;
+ int (*set_boost) (int state);
};
/* flags */
@@ -252,6 +259,15 @@ struct cpufreq_driver {
*/
#define CPUFREQ_ASYNC_NOTIFICATION (1 << 4)
+/*
+ * Set by drivers which want cpufreq core to check if CPU is running at a
+ * frequency present in freq-table exposed by the driver. For these drivers if
+ * CPU is found running at an out of table freq, we will try to set it to a freq
+ * from the table. And if that fails, we will stop further boot process by
+ * issuing a BUG_ON().
+ */
+#define CPUFREQ_NEED_INITIAL_FREQ_CHECK (1 << 5)
+
int cpufreq_register_driver(struct cpufreq_driver *driver_data);
int cpufreq_unregister_driver(struct cpufreq_driver *driver_data);
@@ -299,6 +315,8 @@ cpufreq_verify_within_cpu_limits(struct cpufreq_policy *policy)
#define CPUFREQ_NOTIFY (2)
#define CPUFREQ_START (3)
#define CPUFREQ_UPDATE_POLICY_CPU (4)
+#define CPUFREQ_CREATE_POLICY (5)
+#define CPUFREQ_REMOVE_POLICY (6)
#ifdef CONFIG_CPU_FREQ
int cpufreq_register_notifier(struct notifier_block *nb, unsigned int list);
@@ -306,6 +324,8 @@ int cpufreq_unregister_notifier(struct notifier_block *nb, unsigned int list);
void cpufreq_notify_transition(struct cpufreq_policy *policy,
struct cpufreq_freqs *freqs, unsigned int state);
+void cpufreq_notify_post_transition(struct cpufreq_policy *policy,
+ struct cpufreq_freqs *freqs, int transition_failed);
#else /* CONFIG_CPU_FREQ */
static inline int cpufreq_register_notifier(struct notifier_block *nb,
@@ -420,6 +440,7 @@ extern struct cpufreq_governor cpufreq_gov_conservative;
#define CPUFREQ_ENTRY_INVALID ~0
#define CPUFREQ_TABLE_END ~1
+#define CPUFREQ_BOOST_FREQ ~2
struct cpufreq_frequency_table {
unsigned int driver_data; /* driver specific data, not used by core */
@@ -439,10 +460,30 @@ int cpufreq_frequency_table_target(struct cpufreq_policy *policy,
unsigned int target_freq,
unsigned int relation,
unsigned int *index);
+int cpufreq_frequency_table_get_index(struct cpufreq_policy *policy,
+ unsigned int freq);
void cpufreq_frequency_table_update_policy_cpu(struct cpufreq_policy *policy);
ssize_t cpufreq_show_cpus(const struct cpumask *mask, char *buf);
+#ifdef CONFIG_CPU_FREQ
+int cpufreq_boost_trigger_state(int state);
+int cpufreq_boost_supported(void);
+int cpufreq_boost_enabled(void);
+#else
+static inline int cpufreq_boost_trigger_state(int state)
+{
+ return 0;
+}
+static inline int cpufreq_boost_supported(void)
+{
+ return 0;
+}
+static inline int cpufreq_boost_enabled(void)
+{
+ return 0;
+}
+#endif
/* the following funtion is for cpufreq core use only */
struct cpufreq_frequency_table *cpufreq_frequency_get_table(unsigned int cpu);
@@ -455,6 +496,7 @@ void cpufreq_frequency_table_put_attr(unsigned int cpu);
int cpufreq_table_validate_and_show(struct cpufreq_policy *policy,
struct cpufreq_frequency_table *table);
+unsigned int cpufreq_generic_get(unsigned int cpu);
int cpufreq_generic_init(struct cpufreq_policy *policy,
struct cpufreq_frequency_table *table,
unsigned int transition_latency);
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 46a14229a16..93b5ca754b5 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -18,14 +18,10 @@
#include <linux/completion.h>
#include <linux/pm.h>
#include <linux/mutex.h>
-#ifdef CONFIG_BLK_DEV_IDEACPI
-#include <acpi/acpi.h>
-#endif
-#include <asm/byteorder.h>
-#include <asm/io.h>
-
/* for request_sense */
#include <linux/cdrom.h>
+#include <asm/byteorder.h>
+#include <asm/io.h>
#if defined(CONFIG_CRIS) || defined(CONFIG_FRV) || defined(CONFIG_MN10300)
# define SUPPORT_VLB_SYNC 0
diff --git a/include/linux/iscsi_ibft.h b/include/linux/iscsi_ibft.h
index 8ba7e5b9d62..605cc5c333d 100644
--- a/include/linux/iscsi_ibft.h
+++ b/include/linux/iscsi_ibft.h
@@ -21,7 +21,7 @@
#ifndef ISCSI_IBFT_H
#define ISCSI_IBFT_H
-#include <acpi/acpi.h>
+#include <linux/acpi.h>
/*
* Logical location of iSCSI Boot Format Table.
diff --git a/include/linux/of_device.h b/include/linux/of_device.h
index 82ce324fdce..8d7dd6768cb 100644
--- a/include/linux/of_device.h
+++ b/include/linux/of_device.h
@@ -64,6 +64,12 @@ static inline int of_driver_match_device(struct device *dev,
static inline void of_device_uevent(struct device *dev,
struct kobj_uevent_env *env) { }
+static inline int of_device_get_modalias(struct device *dev,
+ char *str, ssize_t len)
+{
+ return -ENODEV;
+}
+
static inline int of_device_uevent_modalias(struct device *dev,
struct kobj_uevent_env *env)
{
diff --git a/include/linux/pci_hotplug.h b/include/linux/pci_hotplug.h
index a2e2f1d17e1..5f2e559af6b 100644
--- a/include/linux/pci_hotplug.h
+++ b/include/linux/pci_hotplug.h
@@ -175,8 +175,7 @@ struct hotplug_params {
};
#ifdef CONFIG_ACPI
-#include <acpi/acpi.h>
-#include <acpi/acpi_bus.h>
+#include <linux/acpi.h>
int pci_get_hp_params(struct pci_dev *dev, struct hotplug_params *hpp);
int acpi_get_hp_hw_control_from_firmware(struct pci_dev *dev, u32 flags);
int acpi_pci_check_ejectable(struct pci_bus *pbus, acpi_handle handle);
diff --git a/include/linux/pm.h b/include/linux/pm.h
index a224c7f5c37..8c6583a53a0 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -311,6 +311,18 @@ struct dev_pm_ops {
#define SET_SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn)
#endif
+#ifdef CONFIG_PM_SLEEP
+#define SET_LATE_SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn) \
+ .suspend_late = suspend_fn, \
+ .resume_early = resume_fn, \
+ .freeze_late = suspend_fn, \
+ .thaw_early = resume_fn, \
+ .poweroff_late = suspend_fn, \
+ .restore_early = resume_fn,
+#else
+#define SET_LATE_SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn)
+#endif
+
#ifdef CONFIG_PM_RUNTIME
#define SET_RUNTIME_PM_OPS(suspend_fn, resume_fn, idle_fn) \
.runtime_suspend = suspend_fn, \
@@ -320,6 +332,15 @@ struct dev_pm_ops {
#define SET_RUNTIME_PM_OPS(suspend_fn, resume_fn, idle_fn)
#endif
+#ifdef CONFIG_PM
+#define SET_PM_RUNTIME_PM_OPS(suspend_fn, resume_fn, idle_fn) \
+ .runtime_suspend = suspend_fn, \
+ .runtime_resume = resume_fn, \
+ .runtime_idle = idle_fn,
+#else
+#define SET_PM_RUNTIME_PM_OPS(suspend_fn, resume_fn, idle_fn)
+#endif
+
/*
* Use this if you want to use the same suspend and resume callbacks for suspend
* to RAM and hibernation.
diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h
index 6fa7cea25da..16c9a62fa1c 100644
--- a/include/linux/pm_runtime.h
+++ b/include/linux/pm_runtime.h
@@ -23,6 +23,14 @@
usage_count */
#define RPM_AUTO 0x08 /* Use autosuspend_delay */
+#ifdef CONFIG_PM
+extern int pm_generic_runtime_suspend(struct device *dev);
+extern int pm_generic_runtime_resume(struct device *dev);
+#else
+static inline int pm_generic_runtime_suspend(struct device *dev) { return 0; }
+static inline int pm_generic_runtime_resume(struct device *dev) { return 0; }
+#endif
+
#ifdef CONFIG_PM_RUNTIME
extern struct workqueue_struct *pm_wq;
@@ -37,8 +45,6 @@ extern void pm_runtime_enable(struct device *dev);
extern void __pm_runtime_disable(struct device *dev, bool check_resume);
extern void pm_runtime_allow(struct device *dev);
extern void pm_runtime_forbid(struct device *dev);
-extern int pm_generic_runtime_suspend(struct device *dev);
-extern int pm_generic_runtime_resume(struct device *dev);
extern void pm_runtime_no_callbacks(struct device *dev);
extern void pm_runtime_irq_safe(struct device *dev);
extern void __pm_runtime_use_autosuspend(struct device *dev, bool use);
@@ -142,8 +148,6 @@ static inline bool pm_runtime_active(struct device *dev) { return true; }
static inline bool pm_runtime_status_suspended(struct device *dev) { return false; }
static inline bool pm_runtime_enabled(struct device *dev) { return false; }
-static inline int pm_generic_runtime_suspend(struct device *dev) { return 0; }
-static inline int pm_generic_runtime_resume(struct device *dev) { return 0; }
static inline void pm_runtime_no_callbacks(struct device *dev) {}
static inline void pm_runtime_irq_safe(struct device *dev) {}
diff --git a/include/linux/sfi_acpi.h b/include/linux/sfi_acpi.h
index 631af63af42..4723bbfa1c2 100644
--- a/include/linux/sfi_acpi.h
+++ b/include/linux/sfi_acpi.h
@@ -59,8 +59,11 @@
#ifndef _LINUX_SFI_ACPI_H
#define _LINUX_SFI_ACPI_H
+#include <linux/acpi.h>
+#include <linux/sfi.h>
+
#ifdef CONFIG_SFI
-#include <acpi/acpi.h> /* struct acpi_table_header */
+#include <acpi/acpi.h> /* FIXME: inclusion should be removed */
extern int sfi_acpi_table_parse(char *signature, char *oem_id,
char *oem_table_id,
diff --git a/include/linux/tboot.h b/include/linux/tboot.h
index c75128bed5f..9a54b331f93 100644
--- a/include/linux/tboot.h
+++ b/include/linux/tboot.h
@@ -34,7 +34,7 @@ enum {
};
#ifdef CONFIG_INTEL_TXT
-#include <acpi/acpi.h>
+#include <linux/acpi.h>
/* used to communicate between tboot and the launched kernel */
#define TB_KEY_SIZE 64 /* 512 bits */