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

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Message-ID: <10706276.ZxA2zPECXL@vostro.rjw.lan>
Date:	Mon, 26 Jan 2015 01:30:26 +0100
From:	"Rafael J. Wysocki" <rjw@...ysocki.net>
To:	Daniel Lezcano <daniel.lezcano@...aro.org>
Cc:	Sudeep Holla <Sudeep.Holla@....com>,
	lorenzo Pieralisi <Lorenzo.Pieralisi@....com>,
	Linux PM mailing list <linux-pm@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [GIT PULL] : cpuidle-big.little fix when mcpm is not available

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.
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