linux-kernel - [PATCH v2 2/3] media: amphion: Fix pm_runtime_set

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Message-ID: <20241101094050.2421038-3-ruanjinjie@huawei.com>
Date: Fri, 1 Nov 2024 17:40:49 +0800
From: Jinjie Ruan <ruanjinjie@...wei.com>
To: <sakari.ailus@...ux.intel.com>, <mchehab@...nel.org>, <ming.qian@....com>,
	<eagle.zhou@....com>, <stanimir.k.varbanov@...il.com>,
	<quic_vgarodia@...cinc.com>, <bryan.odonoghue@...aro.org>,
	<shijie.qin@....com>, <hverkuil-cisco@...all.nl>,
	<linux-media@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-arm-msm@...r.kernel.org>
CC: <chenridong@...wei.com>, <ruanjinjie@...wei.com>
Subject: [PATCH v2 2/3] media: amphion: Fix pm_runtime_set_suspended() with runtime pm enabled

It is not valid to call pm_runtime_set_suspended() for devices
with runtime PM enabled because it returns -EAGAIN if it is enabled
already and working. So, call pm_runtime_disable() before to fix it.

Cc: stable@...r.kernel.org
Fixes: b50a64fc54af ("media: amphion: add amphion vpu device driver")
Signed-off-by: Jinjie Ruan <ruanjinjie@...wei.com>
---
v2:
- Add fix tag.
- Add Cc stable.
---
 drivers/media/platform/amphion/vpu_drv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/platform/amphion/vpu_drv.c b/drivers/media/platform/amphion/vpu_drv.c
index 2bf70aafd2ba..51d5234869f5 100644
--- a/drivers/media/platform/amphion/vpu_drv.c
+++ b/drivers/media/platform/amphion/vpu_drv.c
@@ -151,8 +151,8 @@ static int vpu_probe(struct platform_device *pdev)
 	media_device_cleanup(&vpu->mdev);
 	v4l2_device_unregister(&vpu->v4l2_dev);
 err_vpu_deinit:
-	pm_runtime_set_suspended(dev);
 	pm_runtime_disable(dev);
+	pm_runtime_set_suspended(dev);
 
 	return ret;
 }
-- 
2.34.1