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-rw-r--r--drivers/acpi/acpi_memhotplug.c1
-rw-r--r--drivers/acpi/acpi_processor.c2
-rw-r--r--drivers/acpi/acpica/aclocal.h13
-rw-r--r--drivers/acpi/battery.c2
-rw-r--r--drivers/acpi/device_pm.c23
-rw-r--r--drivers/acpi/dock.c7
-rw-r--r--drivers/acpi/fan.c2
-rw-r--r--drivers/acpi/internal.h9
-rw-r--r--drivers/acpi/power.c4
-rw-r--r--drivers/acpi/processor_core.c8
-rw-r--r--drivers/acpi/processor_driver.c8
-rw-r--r--drivers/acpi/processor_idle.c6
-rw-r--r--drivers/acpi/scan.c14
-rw-r--r--drivers/acpi/video.c31
-rw-r--r--drivers/acpi/video_detect.c8
15 files changed, 90 insertions, 48 deletions
diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c
index c711d114404..999adb5499c 100644
--- a/drivers/acpi/acpi_memhotplug.c
+++ b/drivers/acpi/acpi_memhotplug.c
@@ -323,6 +323,7 @@ static int acpi_memory_device_add(struct acpi_device *device,
/* Get the range from the _CRS */
result = acpi_memory_get_device_resources(mem_device);
if (result) {
+ device->driver_data = NULL;
kfree(mem_device);
return result;
}
diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c
index e9b01e35ac3..fd6c51cc3ac 100644
--- a/drivers/acpi/acpi_processor.c
+++ b/drivers/acpi/acpi_processor.c
@@ -340,7 +340,7 @@ static int acpi_processor_get_info(struct acpi_device *device)
*/
static DEFINE_PER_CPU(void *, processor_device_array);
-static int __cpuinit acpi_processor_add(struct acpi_device *device,
+static int acpi_processor_add(struct acpi_device *device,
const struct acpi_device_id *id)
{
struct acpi_processor *pr;
diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h
index dfed26545ba..d4a4901637c 100644
--- a/drivers/acpi/acpica/aclocal.h
+++ b/drivers/acpi/acpica/aclocal.h
@@ -931,19 +931,6 @@ struct acpi_bit_register_info {
/* Structs and definitions for _OSI support and I/O port validation */
-#define ACPI_OSI_WIN_2000 0x01
-#define ACPI_OSI_WIN_XP 0x02
-#define ACPI_OSI_WIN_XP_SP1 0x03
-#define ACPI_OSI_WINSRV_2003 0x04
-#define ACPI_OSI_WIN_XP_SP2 0x05
-#define ACPI_OSI_WINSRV_2003_SP1 0x06
-#define ACPI_OSI_WIN_VISTA 0x07
-#define ACPI_OSI_WINSRV_2008 0x08
-#define ACPI_OSI_WIN_VISTA_SP1 0x09
-#define ACPI_OSI_WIN_VISTA_SP2 0x0A
-#define ACPI_OSI_WIN_7 0x0B
-#define ACPI_OSI_WIN_8 0x0C
-
#define ACPI_ALWAYS_ILLEGAL 0x00
struct acpi_interface_info {
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 082b4dd252a..d405fbad406 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -117,6 +117,7 @@ struct acpi_battery {
struct acpi_device *device;
struct notifier_block pm_nb;
unsigned long update_time;
+ int revision;
int rate_now;
int capacity_now;
int voltage_now;
@@ -359,6 +360,7 @@ static struct acpi_offsets info_offsets[] = {
};
static struct acpi_offsets extended_info_offsets[] = {
+ {offsetof(struct acpi_battery, revision), 0},
{offsetof(struct acpi_battery, power_unit), 0},
{offsetof(struct acpi_battery, design_capacity), 0},
{offsetof(struct acpi_battery, full_charge_capacity), 0},
diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c
index e9e8bb24785..4ab807dc851 100644
--- a/drivers/acpi/device_pm.c
+++ b/drivers/acpi/device_pm.c
@@ -324,14 +324,27 @@ int acpi_bus_update_power(acpi_handle handle, int *state_p)
if (result)
return result;
- if (state == ACPI_STATE_UNKNOWN)
+ if (state == ACPI_STATE_UNKNOWN) {
state = ACPI_STATE_D0;
-
- result = acpi_device_set_power(device, state);
- if (!result && state_p)
+ result = acpi_device_set_power(device, state);
+ if (result)
+ return result;
+ } else {
+ if (device->power.flags.power_resources) {
+ /*
+ * We don't need to really switch the state, bu we need
+ * to update the power resources' reference counters.
+ */
+ result = acpi_power_transition(device, state);
+ if (result)
+ return result;
+ }
+ device->power.state = state;
+ }
+ if (state_p)
*state_p = state;
- return result;
+ return 0;
}
EXPORT_SYMBOL_GPL(acpi_bus_update_power);
diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
index 14de9f46972..82656075338 100644
--- a/drivers/acpi/dock.c
+++ b/drivers/acpi/dock.c
@@ -1064,10 +1064,10 @@ find_dock_and_bay(acpi_handle handle, u32 lvl, void *context, void **rv)
return AE_OK;
}
-int __init acpi_dock_init(void)
+void __init acpi_dock_init(void)
{
if (acpi_disabled)
- return 0;
+ return;
/* look for dock stations and bays */
acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
@@ -1075,11 +1075,10 @@ int __init acpi_dock_init(void)
if (!dock_station_count) {
pr_info(PREFIX "No dock devices found.\n");
- return 0;
+ return;
}
register_acpi_bus_notifier(&dock_acpi_notifier);
pr_info(PREFIX "%s: %d docks/bays found\n",
ACPI_DOCK_DRIVER_DESCRIPTION, dock_station_count);
- return 0;
}
diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c
index 8d1c0105e11..5b02a0aa540 100644
--- a/drivers/acpi/fan.c
+++ b/drivers/acpi/fan.c
@@ -84,7 +84,7 @@ static int fan_get_cur_state(struct thermal_cooling_device *cdev, unsigned long
{
struct acpi_device *device = cdev->devdata;
int result;
- int acpi_state;
+ int acpi_state = ACPI_STATE_D0;
if (!device)
return -EINVAL;
diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
index 3a50a34fe17..5da44e81dd4 100644
--- a/drivers/acpi/internal.h
+++ b/drivers/acpi/internal.h
@@ -164,4 +164,13 @@ struct platform_device;
int acpi_create_platform_device(struct acpi_device *adev,
const struct acpi_device_id *id);
+/*--------------------------------------------------------------------------
+ Video
+ -------------------------------------------------------------------------- */
+#if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE)
+bool acpi_video_backlight_quirks(void);
+#else
+static inline bool acpi_video_backlight_quirks(void) { return false; }
+#endif
+
#endif /* _ACPI_INTERNAL_H_ */
diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index 288bb270f8e..5c28c894c0f 100644
--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -279,7 +279,7 @@ static int acpi_power_on_unlocked(struct acpi_power_resource *resource)
if (resource->ref_count++) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Power resource [%s] already on",
+ "Power resource [%s] already on\n",
resource->name));
} else {
result = __acpi_power_on(resource);
@@ -325,7 +325,7 @@ static int acpi_power_off_unlocked(struct acpi_power_resource *resource)
if (!resource->ref_count) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Power resource [%s] already off",
+ "Power resource [%s] already off\n",
resource->name));
return 0;
}
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index 164d49569ae..a5e9f4a5b28 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -253,7 +253,7 @@ static bool __init processor_physically_present(acpi_handle handle)
return true;
}
-static void __cpuinit acpi_set_pdc_bits(u32 *buf)
+static void acpi_set_pdc_bits(u32 *buf)
{
buf[0] = ACPI_PDC_REVISION_ID;
buf[1] = 1;
@@ -265,7 +265,7 @@ static void __cpuinit acpi_set_pdc_bits(u32 *buf)
arch_acpi_set_pdc_bits(buf);
}
-static struct acpi_object_list *__cpuinit acpi_processor_alloc_pdc(void)
+static struct acpi_object_list *acpi_processor_alloc_pdc(void)
{
struct acpi_object_list *obj_list;
union acpi_object *obj;
@@ -308,7 +308,7 @@ static struct acpi_object_list *__cpuinit acpi_processor_alloc_pdc(void)
* _PDC is required for a BIOS-OS handshake for most of the newer
* ACPI processor features.
*/
-static int __cpuinit
+static int
acpi_processor_eval_pdc(acpi_handle handle, struct acpi_object_list *pdc_in)
{
acpi_status status = AE_OK;
@@ -336,7 +336,7 @@ acpi_processor_eval_pdc(acpi_handle handle, struct acpi_object_list *pdc_in)
return status;
}
-void __cpuinit acpi_processor_set_pdc(acpi_handle handle)
+void acpi_processor_set_pdc(acpi_handle handle)
{
struct acpi_object_list *obj_list;
diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c
index 823be116619..870eaf5fa54 100644
--- a/drivers/acpi/processor_driver.c
+++ b/drivers/acpi/processor_driver.c
@@ -118,9 +118,9 @@ static void acpi_processor_notify(acpi_handle handle, u32 event, void *data)
return;
}
-static __cpuinit int __acpi_processor_start(struct acpi_device *device);
+static int __acpi_processor_start(struct acpi_device *device);
-static int __cpuinit acpi_cpu_soft_notify(struct notifier_block *nfb,
+static int acpi_cpu_soft_notify(struct notifier_block *nfb,
unsigned long action, void *hcpu)
{
unsigned int cpu = (unsigned long)hcpu;
@@ -162,7 +162,7 @@ static struct notifier_block __refdata acpi_cpu_notifier =
.notifier_call = acpi_cpu_soft_notify,
};
-static __cpuinit int __acpi_processor_start(struct acpi_device *device)
+static int __acpi_processor_start(struct acpi_device *device)
{
struct acpi_processor *pr = acpi_driver_data(device);
acpi_status status;
@@ -226,7 +226,7 @@ static __cpuinit int __acpi_processor_start(struct acpi_device *device)
return result;
}
-static int __cpuinit acpi_processor_start(struct device *dev)
+static int acpi_processor_start(struct device *dev)
{
struct acpi_device *device;
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 0461ccc92c5..f98dd00b51a 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -96,9 +96,7 @@ static int set_max_cstate(const struct dmi_system_id *id)
return 0;
}
-/* Actually this shouldn't be __cpuinitdata, would be better to fix the
- callers to only run once -AK */
-static struct dmi_system_id __cpuinitdata processor_power_dmi_table[] = {
+static struct dmi_system_id processor_power_dmi_table[] = {
{ set_max_cstate, "Clevo 5600D", {
DMI_MATCH(DMI_BIOS_VENDOR,"Phoenix Technologies LTD"),
DMI_MATCH(DMI_BIOS_VERSION,"SHE845M0.86C.0013.D.0302131307")},
@@ -1165,7 +1163,7 @@ int acpi_processor_cst_has_changed(struct acpi_processor *pr)
static int acpi_processor_registered;
-int __cpuinit acpi_processor_power_init(struct acpi_processor *pr)
+int acpi_processor_power_init(struct acpi_processor *pr)
{
acpi_status status = 0;
int retval;
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index dfe76f17cfc..8a46c924eff 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -35,7 +35,6 @@ bool acpi_force_hot_remove;
static const char *dummy_hid = "device";
-static LIST_HEAD(acpi_device_list);
static LIST_HEAD(acpi_bus_id_list);
static DEFINE_MUTEX(acpi_scan_lock);
static LIST_HEAD(acpi_scan_handlers_list);
@@ -353,10 +352,12 @@ static void acpi_scan_bus_device_check(acpi_handle handle, u32 ost_source)
mutex_lock(&acpi_scan_lock);
lock_device_hotplug();
- acpi_bus_get_device(handle, &device);
- if (device) {
- dev_warn(&device->dev, "Attempt to re-insert\n");
- goto out;
+ if (ost_source != ACPI_NOTIFY_BUS_CHECK) {
+ acpi_bus_get_device(handle, &device);
+ if (device) {
+ dev_warn(&device->dev, "Attempt to re-insert\n");
+ goto out;
+ }
}
acpi_evaluate_hotplug_ost(handle, ost_source,
ACPI_OST_SC_INSERT_IN_PROGRESS, NULL);
@@ -1982,6 +1983,9 @@ static acpi_status acpi_bus_device_attach(acpi_handle handle, u32 lvl_not_used,
if (acpi_bus_get_device(handle, &device))
return AE_CTRL_DEPTH;
+ if (device->handler)
+ return AE_OK;
+
ret = acpi_scan_attach_handler(device);
if (ret)
return ret > 0 ? AE_OK : AE_CTRL_DEPTH;
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 5d7075d2570..0ec434d2586 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -44,6 +44,8 @@
#include <linux/suspend.h>
#include <acpi/video.h>
+#include "internal.h"
+
#define PREFIX "ACPI: "
#define ACPI_VIDEO_BUS_NAME "Video Bus"
@@ -450,6 +452,14 @@ static struct dmi_system_id video_dmi_table[] __initdata = {
},
{
.callback = video_ignore_initial_backlight,
+ .ident = "Fujitsu E753",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "FUJITSU"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E753"),
+ },
+ },
+ {
+ .callback = video_ignore_initial_backlight,
.ident = "HP Pavilion dm4",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
@@ -898,6 +908,9 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device)
device->cap._DDC = 1;
}
+ if (acpi_video_init_brightness(device))
+ return;
+
if (acpi_video_backlight_support()) {
struct backlight_properties props;
struct pci_dev *pdev;
@@ -907,9 +920,6 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device)
static int count = 0;
char *name;
- result = acpi_video_init_brightness(device);
- if (result)
- return;
name = kasprintf(GFP_KERNEL, "acpi_video%d", count);
if (!name)
return;
@@ -969,6 +979,11 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device)
if (result)
printk(KERN_ERR PREFIX "Create sysfs link\n");
+ } else {
+ /* Remove the brightness object. */
+ kfree(device->brightness->levels);
+ kfree(device->brightness);
+ device->brightness = NULL;
}
}
@@ -1532,14 +1547,20 @@ static int acpi_video_bus_put_devices(struct acpi_video_bus *video)
/* acpi_video interface */
+/*
+ * Win8 requires setting bit2 of _DOS to let firmware know it shouldn't
+ * preform any automatic brightness change on receiving a notification.
+ */
static int acpi_video_bus_start_devices(struct acpi_video_bus *video)
{
- return acpi_video_bus_DOS(video, 0, 0);
+ return acpi_video_bus_DOS(video, 0,
+ acpi_video_backlight_quirks() ? 1 : 0);
}
static int acpi_video_bus_stop_devices(struct acpi_video_bus *video)
{
- return acpi_video_bus_DOS(video, 0, 1);
+ return acpi_video_bus_DOS(video, 0,
+ acpi_video_backlight_quirks() ? 0 : 1);
}
static void acpi_video_bus_notify(struct acpi_device *device, u32 event)
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index e6bd910bc6e..c3397748ba4 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -38,6 +38,8 @@
#include <linux/dmi.h>
#include <linux/pci.h>
+#include "internal.h"
+
#define PREFIX "ACPI: "
ACPI_MODULE_NAME("video");
@@ -234,6 +236,12 @@ static void acpi_video_caps_check(void)
acpi_video_get_capabilities(NULL);
}
+bool acpi_video_backlight_quirks(void)
+{
+ return acpi_gbl_osi_data >= ACPI_OSI_WIN_8;
+}
+EXPORT_SYMBOL(acpi_video_backlight_quirks);
+
/* Promote the vendor interface instead of the generic video module.
* This function allow DMI blacklists to be implemented by externals
* platform drivers instead of putting a big blacklist in video_detect.c
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-01-25 07:49:36 +0000