Messages in this thread Patch in this message | | | From | "Rafael J. Wysocki" <> | Subject | [PATCH] x86: PM: Make APM idle driver initialize polling state | Date | Tue, 06 Feb 2018 19:02:58 +0100 |
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From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Update the APM driver overlooked by commit 1b39e3f813b4 (cpuidle: Make drivers initialize polling state) to initialize the polling state like the other cpuidle drivers modified by that commit to prevent cpuidle from crashing.
Fixes: 1b39e3f813b4 (cpuidle: Make drivers initialize polling state) Reported-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Tested-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> --- arch/x86/kernel/apm_32.c | 1 + 1 file changed, 1 insertion(+)
Index: linux-pm/arch/x86/kernel/apm_32.c =================================================================== --- linux-pm.orig/arch/x86/kernel/apm_32.c +++ linux-pm/arch/x86/kernel/apm_32.c @@ -2389,6 +2389,7 @@ static int __init apm_init(void) if (HZ != 100) idle_period = (idle_period * HZ) / 100; if (idle_threshold < 100) { + cpuidle_poll_state_init(&apm_idle_driver); if (!cpuidle_register_driver(&apm_idle_driver)) if (cpuidle_register_device(&apm_cpuidle_device)) cpuidle_unregister_driver(&apm_idle_driver);
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