linux-kernel - Re: [PATCH v3 15/24] media: exynos4-is: Remove call to memset after dma_alloc

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Message-ID: <92ced8c7-22cb-c6a2-6390-2f68f88e6841@samsung.com>
Date:   Mon, 15 Jul 2019 13:45:30 +0200
From:   Sylwester Nawrocki <s.nawrocki@...sung.com>
To:     Fuqian Huang <huangfq.daxian@...il.com>,
        linux-media@...r.kernel.org
Cc:     Kyungmin Park <kyungmin.park@...sung.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Kukjin Kim <kgene@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 15/24] media: exynos4-is: Remove call to memset after
 dma_alloc_coherent

On 7/15/19 05:18, Fuqian Huang wrote:
> In commit 518a2f1925c3
> ("dma-mapping: zero memory returned from dma_alloc_*"),
> dma_alloc_coherent has already zeroed the memory.
> So memset is not needed
> 
> Signed-off-by: Fuqian Huang <huangfq.daxian@...il.com>

Reviewed-by: Sylwester Nawrocki <s.nawrocki@...sung.com>