linux-kernel - Re: [PATCH v3 24/24] video: fbdev-MMP: Remove call to memset after dma_alloc

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Message-ID: <e66d213d-7a66-6c53-d453-6f4bbfa79c52@samsung.com>
Date:   Tue, 23 Jul 2019 17:37:06 +0200
From:   Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
To:     Emil Velikov <emil.l.velikov@...il.com>,
        Fuqian Huang <huangfq.daxian@...il.com>
Cc:     linux-fbdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH v3 24/24] video: fbdev-MMP: Remove call to memset after
 dma_alloc_coherent


On 7/15/19 12:40 PM, Emil Velikov wrote:
> On 2019/07/15, 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>
>> ---
>> Changes in v3:
>>   - Use actual commit rather than the merge commit in the commit message
>>
>>  drivers/video/fbdev/mmp/fb/mmpfb.c | 1 -
>>  1 file changed, 1 deletion(-)
>>
> 
> Reviewed-by: Emil Velikov <emil.velikov@...labora.com>
Patch queued for v5.4, thanks.

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics