lkml.org 
[lkml]   [2015]   [Feb]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] ARM: EXYNOS: Don't use LDREX and STREX after disabling cache coherency
On 02/16/15 05:36, Krzysztof Kozlowski wrote:
> During CPU shutdown the exynos_cpu_power_down() is called after
> disabling cache coherency and it uses LDREX and STREX instructions (by
> calling of_machine_is_compatible() -> kobject_get() -> kref_get()).
>
> The LDREX and STREX should not be used after disabling the cache
> coherency so just use soc_is_exynos().
>
> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
> Fixes: adc548d77c22 ("ARM: EXYNOS: Use MCPM call-backs to support S2R on exynos5420")
> Cc: <stable@vger.kernel.org>
> Reported-by: Stephen Boyd <sboyd@codeaurora.org>
> ---

Looks good to me.

Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>

--
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project



\
 
 \ /
  Last update: 2015-02-17 23:41    [W:0.046 / U:1.364 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site