linux-kernel - [PATCH RESEND v9 13/18] media: platform: Delete redundant code and add annotation for an enum

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Message-ID: <20200604090553.10861-15-xia.jiang@mediatek.com>
Date:   Thu, 4 Jun 2020 17:05:48 +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 RESEND v9 13/18] media: platform: Delete redundant code and add annotation for an enum

Delete unused member variables annotation.
Delete unused variable definition.
Delete redundant log print, because V4L2 debug logs already print it.
Add annotation for enum mtk_jpeg_ctx_state.

Signed-off-by: Xia Jiang <xia.jiang@...iatek.com>
---
v9: add annotation for enum mtk_jpeg_ctx_state
---
 drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c | 15 ++-------------
 drivers/media/platform/mtk-jpeg/mtk_jpeg_core.h |  8 ++++++--
 2 files changed, 8 insertions(+), 15 deletions(-)

diff --git a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
index c9c0357b2d6c..6c82134d6b3d 100644
--- a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
+++ b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
@@ -176,14 +176,13 @@ static int mtk_jpeg_try_fmt_mplane(struct v4l2_format *f,
 				   struct mtk_jpeg_ctx *ctx, int q_type)
 {
 	struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp;
-	struct mtk_jpeg_dev *jpeg = ctx->jpeg;
 	int i;
 
 	pix_mp->field = V4L2_FIELD_NONE;
 
 	if (ctx->state != MTK_JPEG_INIT) {
 		mtk_jpeg_adjust_fmt_mplane(ctx, f);
-		goto end;
+		return 0;
 	}
 
 	pix_mp->num_planes = fmt->colplanes;
@@ -202,7 +201,7 @@ static int mtk_jpeg_try_fmt_mplane(struct v4l2_format *f,
 		pfmt->sizeimage = round_up(pfmt->sizeimage, 128);
 		if (pfmt->sizeimage == 0)
 			pfmt->sizeimage = MTK_JPEG_DEFAULT_SIZEIMAGE;
-		goto end;
+		return 0;
 	}
 
 	/* type is MTK_JPEG_FMT_TYPE_CAPTURE */
@@ -219,16 +218,6 @@ static int mtk_jpeg_try_fmt_mplane(struct v4l2_format *f,
 		pfmt->bytesperline = stride;
 		pfmt->sizeimage = stride * h;
 	}
-end:
-	v4l2_dbg(2, debug, &jpeg->v4l2_dev, "wxh:%ux%u\n",
-		 pix_mp->width, pix_mp->height);
-	for (i = 0; i < pix_mp->num_planes; i++) {
-		v4l2_dbg(2, debug, &jpeg->v4l2_dev,
-			 "plane[%d] bpl=%u, size=%u\n",
-			 i,
-			 pix_mp->plane_fmt[i].bytesperline,
-			 pix_mp->plane_fmt[i].sizeimage);
-	}
 	return 0;
 }
 
diff --git a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.h b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.h
index 64a731261214..5fcdf6950782 100644
--- a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.h
+++ b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.h
@@ -30,6 +30,12 @@
 
 #define MTK_JPEG_DEFAULT_SIZEIMAGE	(1 * 1024 * 1024)
 
+/**
+ * enum mtk_jpeg_ctx_state - states of the context state machine
+ * @MTK_JPEG_INIT:		current state is initialized
+ * @MTK_JPEG_RUNNING:		current state is running
+ * @MTK_JPEG_SOURCE_CHANGE:	current state is source resolution change
+ */
 enum mtk_jpeg_ctx_state {
 	MTK_JPEG_INIT = 0,
 	MTK_JPEG_RUNNING,
@@ -109,9 +115,7 @@ struct mtk_jpeg_q_data {
  * @out_q:		source (output) queue information
  * @cap_q:		destination (capture) queue queue information
  * @fh:			V4L2 file handle
- * @dec_param		parameters for HW decoding
  * @state:		state of the context
- * @header_valid:	set if header has been parsed and valid
  * @colorspace: enum v4l2_colorspace; supplemental to pixelformat
  * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding
  * @quantization: enum v4l2_quantization, colorspace quantization
-- 
2.18.0