3a2d5b7001
During the last step of hibernation in the "platform" mode (with the help of ACPI) we use the suspend code, including the devices' ->suspend() methods, to prepare the system for entering the ACPI S4 system sleep state. But at least for some devices the operations performed by the ->suspend() callback in that case must be different from its operations during regular suspend. For this reason, introduce the new PM event type PM_EVENT_HIBERNATE and pass it to the device drivers' ->suspend() methods during the last phase of hibernation, so that they can distinguish this case and handle it as appropriate. Modify the drivers that handle PM_EVENT_SUSPEND in a special way and need to handle PM_EVENT_HIBERNATE in the same way. These changes are necessary to fix a hibernation regression related to the i915 driver (ref. http://lkml.org/lkml/2008/2/22/488). Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Pavel Machek <pavel@ucw.cz> Tested-by: Jeff Chua <jeff.chua.linux@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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| .. | ||
| Kconfig | ||
| Makefile | ||
| adb-iop.c | ||
| adb.c | ||
| adbhid.c | ||
| ans-lcd.c | ||
| ans-lcd.h | ||
| apm_emu.c | ||
| mac_hid.c | ||
| macio-adb.c | ||
| macio_asic.c | ||
| macio_sysfs.c | ||
| mediabay.c | ||
| nvram.c | ||
| rack-meter.c | ||
| smu.c | ||
| therm_adt746x.c | ||
| therm_pm72.c | ||
| therm_pm72.h | ||
| therm_windtunnel.c | ||
| via-cuda.c | ||
| via-macii.c | ||
| via-maciisi.c | ||
| via-pmu-backlight.c | ||
| via-pmu-event.c | ||
| via-pmu-event.h | ||
| via-pmu-led.c | ||
| via-pmu.c | ||
| via-pmu68k.c | ||
| windfarm.h | ||
| windfarm_core.c | ||
| windfarm_cpufreq_clamp.c | ||
| windfarm_lm75_sensor.c | ||
| windfarm_max6690_sensor.c | ||
| windfarm_pid.c | ||
| windfarm_pid.h | ||
| windfarm_pm81.c | ||
| windfarm_pm91.c | ||
| windfarm_pm112.c | ||
| windfarm_smu_controls.c | ||
| windfarm_smu_sat.c | ||
| windfarm_smu_sensors.c | ||