Re: [GIT PULL] : cpuidle-big.little fix when mcpm is not available

From: Rafael J. Wysocki
Date: Sun Jan 25 2015 - 19:07:49 EST


On Sunday, January 25, 2015 03:39:40 PM Daniel Lezcano wrote:
> Hi Rafael,
>
> This pull request has a single patch which is a fix for the
> cpuidle-big.little driver. If the mcpm backend is not available because
> the CCI is not defined in the DT, the cpuidle driver will
> unconditionally assume it is and call the mcpm functions leading to a
> kernel WARNING.
>
> Sudeep Holla fixed that by checking at the init time the mcpm is
> available before initializing the deeper idle states.
>
> Thanks
> -- Daniel
>
> The following changes since commit ec6f34e5b552fb0a52e6aae1a5afbbb1605cc6cc:
>
> Linux 3.19-rc5 (2015-01-18 18:02:20 +1200)
>
> are available in the git repository at:
>
> http://git.linaro.org/people/daniel.lezcano/linux.git cpuidle/3.20
>
> for you to fetch changes up to 194fe6f28e2819d3f50fbed24c3b72f21501dbfa:
>
> drivers: cpuidle: Don't initialize big.LITTLE driver if MCPM is
> unavailable (2015-01-23 15:05:48 +0100)
>
> ----------------------------------------------------------------
> Sudeep Holla (1):
> drivers: cpuidle: Don't initialize big.LITTLE driver if MCPM is
> unavailable
>
> drivers/cpuidle/cpuidle-big_little.c | 4 ++++
> 1 file changed, 4 insertions(+)

Pulled, thanks!


--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/