[PATCH v3 6/6] arm: exynos: Add /dev/bL_status user interface on Exynos5420

Nicolas Pitre nicolas.pitre at linaro.org
Wed Apr 30 07:49:36 PDT 2014


On Mon, 28 Apr 2014, Abhilash Kesavan wrote:

> On Mon, Apr 28, 2014 at 4:55 PM, Daniel Lezcano
> <daniel.lezcano at linaro.org> wrote:
> > On 04/26/2014 06:05 PM, Abhilash Kesavan wrote:
> >>
> >> Add a user interface to check the core and cluster status on
> >> Exynos5420. This can be utilized while debugging mcpm issues.
> >> cat /dev/bL_status will show the current power status of all
> >> the 8 cores along with the cluster.
> >>
> >> Signed-off-by: Thomas Abraham <thomas.ab at samsung.com>
> >> Signed-off-by: Inderpal Singh <inderpal.s at samsung.com>
> >> Signed-off-by: Andrew Bresticker <abrestic at chromium.org>
> >> Signed-off-by: Abhilash Kesavan <a.kesavan at samsung.com>
> >> ---
> >
> >
> > Hi Abhilash,
> 
> Hi Daniel,
> >
> > I don't think you should add this file.
> >
> > 1. big Little is not exynos specific
> But the core control/status bits that I am accessing are exynos
> specific and currently it is being enabled only on 5420.

Maybe yt is not worth pushing this patch upstream?  Once basic debugging 
is over, you shouldn't have to use this code anymore.


Nicolas



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