On Fri, Aug 19, 2016 at 03:31:08PM -0400, Javier Martinez Canillas wrote:
> Hello Krzysztof,
>
> On 08/16/2016 09:34 AM, Krzysztof Kozlowski wrote:
> > Hi,
> >
> > RFC, please, do not apply, maybe except patch #1 which is harmless.
> >
> >
> > Introduction
> > ============
> > The patchset brings new entity: clock controller representing a hardware
> > block. The clock controller comes with its own prepare lock which
> > is used then in many places. The idea is to fix the deadlock mentioned
> > in commit 10ff4c5239a1 ("i2c: exynos5: Fix possible ABBA deadlock by keeping
> > I2C clock prepared") and commit 34e81ad5f0b6 ("i2c: s3c2410: fix ABBA deadlock
> > by keeping clock prepared").
> >
> >
>
> I'm not familiar enough with the common clock framework to do a proper review
> of this patch-set, but I've tested both on an Exynos5800 Peach Pi Chromebook
> and an Exynos5422 Odroid XU4 board and I didn't find any clock regressions.
>
> Also, I confirmed that the possible deadlock in the Odroid XU4 that was fixed
> by reverted commit 10ff4c5239a1 doesn't happen anymore with your patches.
>
> Tested-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx>
Thanks for testing, I appreciate that!
Best regards,
Krzysztof
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