linux-kernel - [PATCH v9 06/18] media: platform: Delete the resetting hardware flow in the system PM ops

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Date:   Thu, 4 Jun 2020 15:26:56 +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 06/18] media: platform: Delete the resetting hardware flow in the system PM ops

Delete the resetting hardware flow in suspend and resume function
because that resetting operation will be done in device_run().

Signed-off-by: Xia Jiang <xia.jiang@...iatek.com>
---
v9: new patch
---
 check.txt                                       | 13 +++++++++++++
 drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c |  2 --
 2 files changed, 13 insertions(+), 2 deletions(-)
 create mode 100644 check.txt

diff --git a/check.txt b/check.txt
new file mode 100644
index 000000000000..aed39e5f62f2
--- /dev/null
+++ b/check.txt
@@ -0,0 +1,13 @@
+WARNING:LONG_LINE: line over 80 characters
+#820: FILE: ./drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c:820:
++	if (mtk_jpeg_set_dec_dst(ctx, &jpeg_src_buf->dec_param, &dst_buf->vb2_buf, &fb))
+
+total: 0 errors, 1 warnings, 1271 lines checked
+
+NOTE: For some of the reported defects, checkpatch may be able to
+      mechanically convert to the typical style using --fix or --fix-inplace.
+
+./drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c has style problems, please review.
+
+NOTE: If any of the errors are false positives, please report
+      them to the maintainer, see CHECKPATCH in MAINTAINERS.
diff --git a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
index fb624385969e..7f74597262fc 100644
--- a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
+++ b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
@@ -1191,7 +1191,6 @@ static __maybe_unused int mtk_jpeg_pm_suspend(struct device *dev)
 {
 	struct mtk_jpeg_dev *jpeg = dev_get_drvdata(dev);
 
-	mtk_jpeg_dec_reset(jpeg->dec_reg_base);
 	mtk_jpeg_clk_off(jpeg);
 
 	return 0;
@@ -1202,7 +1201,6 @@ static __maybe_unused int mtk_jpeg_pm_resume(struct device *dev)
 	struct mtk_jpeg_dev *jpeg = dev_get_drvdata(dev);
 
 	mtk_jpeg_clk_on(jpeg);
-	mtk_jpeg_dec_reset(jpeg->dec_reg_base);
 
 	return 0;
 }
-- 
2.18.0