Re: linux-next: build warning after merge of the pm tree

From: Akshay Adiga
Date: Mon Nov 14 2016 - 03:49:54 EST


Hi Rafeal,

Good catch, I need to set lpstate_idx = gpstate_idx.
I will send a patch which fixes this commit.

Thanks Stephen for reporting it. :)

Regards
Akshay Adiga

On 11/14/2016 05:33 AM, Rafael J. Wysocki wrote:
On Monday, November 14, 2016 10:40:09 AM Stephen Rothwell wrote:
> Hi Rafael,

Hi Stephen,

> After merging the pm tree, today's linux-next build (powerpc
> ppc64_defconfig) produced this warning:
>
> drivers/cpufreq/powernv-cpufreq.c: In function 'gpstate_timer_handler':
> drivers/cpufreq/powernv-cpufreq.c:642:5: warning: 'lpstate_idx' may
be used uninitialized in this function [-Wmaybe-uninitialized]
> if (gpstate_idx != gpstates->last_lpstate_idx)
> ^
>
> Introduced by commit
>
> 20b15b766354 ("cpufreq: powernv: Use PMCR to verify global and
local pstate")

Thanks for the notice!

Akshay, any thoughts?

Thanks,
Rafael