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ACPI and power management fixes for 3.9-rc6

Browse source 
- Revert of a recent cpuidle change that caused Nehalem machines
   to hang on boot from Alex Shi.
 
 - USB power management fix addressing a crash in the port device
   object's release routine from Rafael J. Wysocki.
 
 - Device PM QoS fix for a potential deadlock related to sysfs
   interface from Rafael J. Wysocki.
 
 - Fix for a cpufreq crash when the /cpus Device Tree node is missing
   from Paolo Pisati.
 
 - Fix for a build issue on ia64 related to the Boot Graphics Resource
   Table (BGRT) from Tony Luck.
 
 - Two fixes for ACPI handles being set incorrectly for device
   objects that don't correspond to any ACPI namespace nodes in
   the I2C and SPI subsystems from Rafael J. Wysocki.
 
 - Fix for compiler warnings related to CONFIG_PM_DEVFREQ being
   unset from Rajagopal Venkat.
 
 - Fix for a symbol definition typo in cpufreq_governor.h from
   Borislav Petkov.
 
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Merge tag 'pm+acpi-3.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI and power management fixes from Rafael Wysocki:

 - Revert of a recent cpuidle change that caused Nehalem machines to
   hang on boot from Alex Shi.

 - USB power management fix addressing a crash in the port device
   object's release routine from Rafael J Wysocki.

 - Device PM QoS fix for a potential deadlock related to sysfs interface
   from Rafael J Wysocki.

 - Fix for a cpufreq crash when the /cpus Device Tree node is missing
   from Paolo Pisati.

 - Fix for a build issue on ia64 related to the Boot Graphics Resource
   Table (BGRT) from Tony Luck.

 - Two fixes for ACPI handles being set incorrectly for device objects
   that don't correspond to any ACPI namespace nodes in the I2C and SPI
   subsystems from Rafael J Wysocki.

 - Fix for compiler warnings related to CONFIG_PM_DEVFREQ being unset
   from Rajagopal Venkat.

 - Fix for a symbol definition typo in cpufreq_governor.h from Borislav
   Petkov.

* tag 'pm+acpi-3.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI / BGRT: Don't let users configure BGRT on non X86 systems
  cpuidle / ACPI: recover percpu ACPI processor cstate
  ACPI / I2C: Use parent's ACPI_HANDLE() in acpi_i2c_register_devices()
  cpufreq: Correct header guards typo
  ACPI / SPI: Use parent's ACPI_HANDLE() in acpi_register_spi_devices()
  cpufreq: check OF node /cpus presence before dereferencing it
  PM / devfreq: Fix compiler warnings for CONFIG_PM_DEVFREQ unset
  PM / QoS: Avoid possible deadlock related to sysfs access
  USB / PM: Don't try to hide PM QoS flags from usb_port_device_release()
This commit is contained in:
Linus Torvalds 2013-04-04 15:56:28 -07:00
commit d08d528dc1
11 changed files with 76 additions and 38 deletions
Download patch file Download diff file Expand all files Collapse all files

16
include/linux/devfreq.h
View file

@ -213,7 +213,7 @@ struct devfreq_simple_ondemand_data {
#endif
#else /* !CONFIG_PM_DEVFREQ */
static struct devfreq *devfreq_add_device(struct device *dev,
static inline struct devfreq *devfreq_add_device(struct device *dev,
struct devfreq_dev_profile *profile,
const char *governor_name,
void *data)
@ -221,34 +221,34 @@ static struct devfreq *devfreq_add_device(struct device *dev,
return NULL;
}
static int devfreq_remove_device(struct devfreq *devfreq)
static inline int devfreq_remove_device(struct devfreq *devfreq)
{
return 0;
}
static int devfreq_suspend_device(struct devfreq *devfreq)
static inline int devfreq_suspend_device(struct devfreq *devfreq)
{
return 0;
}
static int devfreq_resume_device(struct devfreq *devfreq)
static inline int devfreq_resume_device(struct devfreq *devfreq)
{
return 0;
}
static struct opp *devfreq_recommended_opp(struct device *dev,
static inline struct opp *devfreq_recommended_opp(struct device *dev,
unsigned long *freq, u32 flags)
{
return -EINVAL;
return ERR_PTR(-EINVAL);
}
static int devfreq_register_opp_notifier(struct device *dev,
static inline int devfreq_register_opp_notifier(struct device *dev,
struct devfreq *devfreq)
{
return -EINVAL;
}
static int devfreq_unregister_opp_notifier(struct device *dev,
static inline int devfreq_unregister_opp_notifier(struct device *dev,
struct devfreq *devfreq)
{
return -EINVAL;