Re: [PATCH] memory/samsung: reduce unnecessary mutex lock area

[Krzysztof Kozlowski]

On Fri, May 08, 2020 at 06:13:38AM -0700, Bernard Zhao wrote:
> Maybe dmc->df->lock is unnecessary to protect function
> exynos5_dmc_perf_events_check(dmc). If we have to protect,
> dmc->lock is more better and more effective.
> Also, it seems not needed to protect "if (ret) & dev_warn"
> branch.
> 
> Signed-off-by: Bernard Zhao <bernard@xxxxxxxx>
> ---
>  drivers/memory/samsung/exynos5422-dmc.c | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)

I checked the concurrent accesses and it looks correct.

Lukasz, any review from your side?

Best regards,
Krzysztof