2023-03-28 09:17:12

by Yunfei Dong (董云飞)

[permalink] [raw]
Subject: [PATCH 2/2] media: mediatek: vcodec: add remove function for decoder platform driver

Need to disable decoder power when remove decoder hardware driver, adding
remove callback function in the definition of platform driver.

Fixes: c05bada35f01 ("media: mtk-vcodec: Add to support multi hardware decode")
Signed-off-by: Yunfei Dong <[email protected]>
---
- test pass when remove and insmod decoder hardware driver.
---
.../media/platform/mediatek/vcodec/mtk_vcodec_dec_hw.c | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_hw.c b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_hw.c
index 376db0e433d7..b753bf54ebd9 100644
--- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_hw.c
+++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_hw.c
@@ -193,8 +193,16 @@ static int mtk_vdec_hw_probe(struct platform_device *pdev)
return ret;
}

+static int mtk_vdec_hw_remove(struct platform_device *pdev)
+{
+ pm_runtime_disable(&pdev->dev);
+
+ return 0;
+}
+
static struct platform_driver mtk_vdec_driver = {
.probe = mtk_vdec_hw_probe,
+ .remove = mtk_vdec_hw_remove,
.driver = {
.name = "mtk-vdec-comp",
.of_match_table = mtk_vdec_hw_match,
--
2.18.0