Messages in this thread | | | Date | Fri, 27 Feb 2015 05:52:52 +0900 | From | Kukjin Kim <> | Subject | Re: [PATCH] ARM: EXYNOS: Don't use LDREX and STREX after disabling cache coherency |
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On 02/18/15 07:24, Stephen Boyd wrote: > 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> > Thanks for this fix, applied.
- Kukjin
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