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author | Ingo Molnar <mingo@elte.hu> | 2009-03-31 13:53:43 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-03-31 13:53:43 +0200 |
commit | 7bee946358c3cb957d4aa648fc5ab3cad0b232d0 (patch) | |
tree | 693061ebde2abc35ecc846e5084630d7225aaaff /kernel/power/main.c | |
parent | d820ac4c2fa881079e6b689d2098adce337558ae (diff) | |
parent | 15f7176eb1cccec0a332541285ee752b935c1c85 (diff) | |
download | op-kernel-dev-7bee946358c3cb957d4aa648fc5ab3cad0b232d0.zip op-kernel-dev-7bee946358c3cb957d4aa648fc5ab3cad0b232d0.tar.gz |
Merge branch 'linus' into locking-for-linus
Conflicts:
lib/Kconfig.debug
Diffstat (limited to 'kernel/power/main.c')
-rw-r--r-- | kernel/power/main.c | 55 |
1 files changed, 33 insertions, 22 deletions
diff --git a/kernel/power/main.c b/kernel/power/main.c index c9632f8..f172f41 100644 --- a/kernel/power/main.c +++ b/kernel/power/main.c @@ -287,17 +287,32 @@ void __attribute__ ((weak)) arch_suspend_enable_irqs(void) */ static int suspend_enter(suspend_state_t state) { - int error = 0; + int error; device_pm_lock(); - arch_suspend_disable_irqs(); - BUG_ON(!irqs_disabled()); - if ((error = device_power_down(PMSG_SUSPEND))) { + error = device_power_down(PMSG_SUSPEND); + if (error) { printk(KERN_ERR "PM: Some devices failed to power down\n"); goto Done; } + if (suspend_ops->prepare) { + error = suspend_ops->prepare(); + if (error) + goto Power_up_devices; + } + + if (suspend_test(TEST_PLATFORM)) + goto Platfrom_finish; + + error = disable_nonboot_cpus(); + if (error || suspend_test(TEST_CPUS)) + goto Enable_cpus; + + arch_suspend_disable_irqs(); + BUG_ON(!irqs_disabled()); + error = sysdev_suspend(PMSG_SUSPEND); if (!error) { if (!suspend_test(TEST_CORE)) @@ -305,11 +320,22 @@ static int suspend_enter(suspend_state_t state) sysdev_resume(); } - device_power_up(PMSG_RESUME); - Done: arch_suspend_enable_irqs(); BUG_ON(irqs_disabled()); + + Enable_cpus: + enable_nonboot_cpus(); + + Platfrom_finish: + if (suspend_ops->finish) + suspend_ops->finish(); + + Power_up_devices: + device_power_up(PMSG_RESUME); + + Done: device_pm_unlock(); + return error; } @@ -341,23 +367,8 @@ int suspend_devices_and_enter(suspend_state_t state) if (suspend_test(TEST_DEVICES)) goto Recover_platform; - if (suspend_ops->prepare) { - error = suspend_ops->prepare(); - if (error) - goto Resume_devices; - } - - if (suspend_test(TEST_PLATFORM)) - goto Finish; - - error = disable_nonboot_cpus(); - if (!error && !suspend_test(TEST_CPUS)) - suspend_enter(state); + suspend_enter(state); - enable_nonboot_cpus(); - Finish: - if (suspend_ops->finish) - suspend_ops->finish(); Resume_devices: suspend_test_start(); device_resume(PMSG_RESUME); |