linux-kernel - [PATCH v9 09/18] media: platform: Delete zeroing the reserved fields

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Date:   Thu, 4 Jun 2020 15:26:59 +0800
From:   Xia Jiang <xia.jiang@...iatek.com>
To:     Hans Verkuil <hverkuil-cisco@...all.nl>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Rick Chang <rick.chang@...iatek.com>
CC:     <linux-media@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Tomasz Figa <tfiga@...omium.org>,
        <srv_heupstream@...iatek.com>, <senozhatsky@...omium.org>,
        <mojahsu@...omium.org>, <drinkcat@...omium.org>,
        <maoguang.meng@...iatek.com>, <sj.huang@...iatek.com>,
        Xia Jiang <xia.jiang@...iatek.com>
Subject: [PATCH v9 09/18] media: platform: Delete zeroing the reserved fields

Delete zeroing the reserved fields because that the core already
does it.

Signed-off-by: Xia Jiang <xia.jiang@...iatek.com>
---
v9: new patch
---
 drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
index bb4ebce881ee..bd1cc58324c6 100644
--- a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
+++ b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
@@ -198,7 +198,6 @@ static int mtk_jpeg_try_fmt_mplane(struct v4l2_format *f,
 	struct mtk_jpeg_dev *jpeg = ctx->jpeg;
 	int i;
 
-	memset(pix_mp->reserved, 0, sizeof(pix_mp->reserved));
 	pix_mp->field = V4L2_FIELD_NONE;
 
 	if (ctx->state != MTK_JPEG_INIT) {
@@ -217,7 +216,6 @@ static int mtk_jpeg_try_fmt_mplane(struct v4l2_format *f,
 					   &pix_mp->height, MTK_JPEG_MIN_HEIGHT,
 					   MTK_JPEG_MAX_HEIGHT, 0);
 
-		memset(pfmt->reserved, 0, sizeof(pfmt->reserved));
 		pfmt->bytesperline = 0;
 		/* Source size must be aligned to 128 */
 		pfmt->sizeimage = mtk_jpeg_align(pfmt->sizeimage, 128);
@@ -237,7 +235,6 @@ static int mtk_jpeg_try_fmt_mplane(struct v4l2_format *f,
 		u32 stride = pix_mp->width * fmt->h_sample[i] / 4;
 		u32 h = pix_mp->height * fmt->v_sample[i] / 4;
 
-		memset(pfmt->reserved, 0, sizeof(pfmt->reserved));
 		pfmt->bytesperline = stride;
 		pfmt->sizeimage = stride * h;
 	}
@@ -270,7 +267,6 @@ static int mtk_jpeg_g_fmt_vid_mplane(struct file *file, void *priv,
 
 	q_data = mtk_jpeg_get_q_data(ctx, f->type);
 
-	memset(pix_mp->reserved, 0, sizeof(pix_mp->reserved));
 	pix_mp->width = q_data->w;
 	pix_mp->height = q_data->h;
 	pix_mp->field = V4L2_FIELD_NONE;
@@ -294,7 +290,6 @@ static int mtk_jpeg_g_fmt_vid_mplane(struct file *file, void *priv,
 
 		pfmt->bytesperline = q_data->bytesperline[i];
 		pfmt->sizeimage = q_data->sizeimage[i];
-		memset(pfmt->reserved, 0, sizeof(pfmt->reserved));
 
 		v4l2_dbg(1, debug, &jpeg->v4l2_dev,
 			 "plane[%d] bpl=%u, size=%u\n",
-- 
2.18.0