[PATCH] ARM: cpuidle: Pass on arm_cpuidle_suspend()'s return value

[Rafael J. Wysocki]

On Thursday, April 28, 2016 10:20:23 AM Daniel Lezcano wrote:
> On Wed, Apr 27, 2016 at 10:14:34AM +0100, Lorenzo Pieralisi wrote:
> > [+ Lina]
> > 
> > On Tue, Apr 26, 2016 at 09:05:57PM +0200, Rafael J. Wysocki wrote:
> > > On Tue, Apr 26, 2016 at 1:31 PM, Lorenzo Pieralisi
> > > <lorenzo.pieralisi at arm.com> wrote:
> > > > On Tue, Apr 26, 2016 at 12:15:01PM +0100, James Morse wrote:
> > > >> 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 at arm.com>
> > > >> ---
> > > >>  drivers/cpuidle/cpuidle-arm.c | 2 +-
> > > >>  1 file changed, 1 insertion(+), 1 deletion(-)
> > > >
> > > > Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi at arm.com>
> 
> Acked-by: Daniel Lezcano <daniel.lezcano at linaro.org>

OK, applied, tagged for -stable (4.1+).

Thanks everybody!