linux-kernel - [PATCH v5 05/16] media: mtk-jpeg: Use pm_runtime_resume_and_get for PM get

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Message-ID: <20210410091128.31823-6-yong.wu@mediatek.com>
Date:   Sat, 10 Apr 2021 17:11:17 +0800
From:   Yong Wu <yong.wu@...iatek.com>
To:     Matthias Brugger <matthias.bgg@...il.com>,
        Joerg Roedel <joro@...tes.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>
CC:     Evan Green <evgreen@...omium.org>,
        Robin Murphy <robin.murphy@....com>,
        Tomasz Figa <tfiga@...omium.org>,
        Will Deacon <will.deacon@....com>,
        <linux-mediatek@...ts.infradead.org>,
        <srv_heupstream@...iatek.com>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <iommu@...ts.linux-foundation.org>, <yong.wu@...iatek.com>,
        <youlin.pei@...iatek.com>, Nicolas Boichat <drinkcat@...omium.org>,
        Matthias Kaehlcke <mka@...omium.org>, <anan.sun@...iatek.com>,
        <chao.hao@...iatek.com>, <ming-fan.chen@...iatek.com>,
        <yi.kuo@...iatek.com>, <eizan@...omium.org>,
        <acourbot@...omium.org>, Xia Jiang <xia.jiang@...iatek.com>
Subject: [PATCH v5 05/16] media: mtk-jpeg: Use pm_runtime_resume_and_get for PM get_sync

pm_runtime_get_sync will increment pm usage counter even it failed.
This patch use pm_runtime_resume_and_get instead of pm_runtime_get
to keep usage counter balanced.

CC: Xia Jiang <xia.jiang@...iatek.com>
Signed-off-by: Yong Wu <yong.wu@...iatek.com>
---
 drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
index 88a23bce569d..a89c7b206eef 100644
--- a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
+++ b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
@@ -920,7 +920,7 @@ static void mtk_jpeg_enc_device_run(void *priv)
 	src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
 	dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
 
-	ret = pm_runtime_get_sync(jpeg->dev);
+	ret = pm_runtime_resume_and_get(jpeg->dev);
 	if (ret < 0)
 		goto enc_end;
 
@@ -973,7 +973,7 @@ static void mtk_jpeg_dec_device_run(void *priv)
 		return;
 	}
 
-	ret = pm_runtime_get_sync(jpeg->dev);
+	ret = pm_runtime_resume_and_get(jpeg->dev);
 	if (ret < 0)
 		goto dec_end;
 
-- 
2.18.0