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| author | James Morse <james.morse@arm.com> | 2016-04-26 12:15:01 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2016-04-28 15:15:14 +0200 |
| commit | 625fe4f8ffc1b915248558481bb94249f6bd411c (patch) | |
| tree | 6c443da99dab989bf48acc36e9fe104480d0f472 | |
| parent | 02da2d72174c61988eb4456b53f405e3ebdebce4 (diff) | |
| download | linux-625fe4f8ffc1b915248558481bb94249f6bd411c.tar.gz linux-625fe4f8ffc1b915248558481bb94249f6bd411c.tar.bz2 linux-625fe4f8ffc1b915248558481bb94249f6bd411c.zip | |
ARM: cpuidle: Pass on arm_cpuidle_suspend()'s return value
arm_cpuidle_suspend() may return -EOPNOTSUPP, or any value returned
by the cpu_ops/cpuidle_ops suspend call. arm_enter_idle_state() doesn't
update 'ret' with this value, meaning we always signal success to
cpuidle_enter_state(), causing it to update the usage counters as if we
succeeded.
Fixes: 191de17aa3c1 ("ARM64: cpuidle: Replace cpu_suspend by the common ARM/ARM64 function")
Signed-off-by: James Morse <james.morse@arm.com>
Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: 4.1+ <stable@vger.kernel.org> # 4.1+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
| -rw-r--r-- | drivers/cpuidle/cpuidle-arm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/cpuidle/cpuidle-arm.c b/drivers/cpuidle/cpuidle-arm.c index 545069d5fdfb..e342565e8715 100644 --- a/drivers/cpuidle/cpuidle-arm.c +++ b/drivers/cpuidle/cpuidle-arm.c @@ -50,7 +50,7 @@ static int arm_enter_idle_state(struct cpuidle_device *dev, * call the CPU ops suspend protocol with idle index as a * parameter. */ - arm_cpuidle_suspend(idx); + ret = arm_cpuidle_suspend(idx); cpu_pm_exit(); } |