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bh=1UsNuU488bAaTj0JaLnojkSixQzmMg2zbCbBzMy0HWw=; b=YEa6ML/z73sIUy0QiYoIQogDFTbVIjY/C0JwELZ4TRkgxZ+aP/BGm0vLuJMDl76k/Q gyEzjmgHqP0SlP0RoDK7CEuNtdtHtbY5da2k7LiKZlm2+854MyZHU/ky03BgcDU2tO9q kIfj5mHk7vmn5QyyFV0fPdUg64iwMbIyqIirjAWm0YcuJ94YsS60C02Feap1PQ4WV+Yk AdWngMxmAGqWW7sNNqidJQHisDs1pHjklJZCoMrEIxSiuXHe4WAc6A4CBhEk3zS2bsNL qE4YNFPazYX4yMOKy2QwkGowze7TsVluX1aliRw9KUmZDaWSWQW+k21TIukDSUMin4qU /mwg== X-Gm-Message-State: APjAAAVoeRFOaFhu8SAKVDObA/8Oo1/Pdn1L1S+UKGIOZZaHdspbnr4F oAfmjp4a+kMQNrKmLWZJWw0= X-Google-Smtp-Source: APXvYqxdGGfZzS2r8XUhIoyjjIamvtltkvX9H3ARnR8MQSfG3WcpmiOIKoWbP95GlNFhqEhr6orhiA== X-Received: by 2002:a65:5183:: with SMTP id h3mr24502771pgq.250.1563160737715; Sun, 14 Jul 2019 20:18:57 -0700 (PDT) Received: from hfq-skylake.ipads-lab.se.sjtu.edu.cn ([202.120.40.82]) by smtp.googlemail.com with ESMTPSA id f64sm16421304pfa.115.2019.07.14.20.18.54 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 14 Jul 2019 20:18:57 -0700 (PDT) From: Fuqian Huang To: Subject: [PATCH v3 15/24] media: exynos4-is: Remove call to memset after dma_alloc_coherent Date: Mon, 15 Jul 2019 11:18:51 +0800 Message-Id: <20190715031851.6890-1-huangfq.daxian@gmail.com> X-Mailer: git-send-email 2.11.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190714_201858_161517_43A2A168 X-CRM114-Status: GOOD ( 11.47 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Krzysztof Kozlowski , Kyungmin Park , Kukjin Kim , Sylwester Nawrocki , Fuqian Huang , Mauro Carvalho Chehab , linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP 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 Reviewed-by: Sylwester Nawrocki --- Changes in v3: - Use actual commit rather than the merge commit in the commit message drivers/media/platform/exynos4-is/fimc-is.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/media/platform/exynos4-is/fimc-is.c b/drivers/media/platform/exynos4-is/fimc-is.c index e043d55133a3..77633e356305 100644 --- a/drivers/media/platform/exynos4-is/fimc-is.c +++ b/drivers/media/platform/exynos4-is/fimc-is.c @@ -341,7 +341,6 @@ static int fimc_is_alloc_cpu_memory(struct fimc_is *is) return -ENOMEM; is->memory.size = FIMC_IS_CPU_MEM_SIZE; - memset(is->memory.vaddr, 0, is->memory.size); dev_info(dev, "FIMC-IS CPU memory base: %#x\n", (u32)is->memory.paddr);