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[v3,74/79] media: stm32: use pm_runtime_resume_and_get()

Message ID 7a01ab8c03a6778c6aeb9357a3807829c6dc91f3.1619519080.git.mchehab+huawei@kernel.org
State Superseded
Headers show
Series None | expand

Commit Message

Mauro Carvalho Chehab April 27, 2021, 10:27 a.m. UTC 
Commit dd8088d5a896 ("PM: runtime: Add pm_runtime_resume_and_get to deal with usage counter")
added pm_runtime_resume_and_get() in order to automatically handle
dev->power.usage_count decrement on errors.

Use the new API, in order to cleanup the error check logic.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
---
 drivers/media/platform/stm32/stm32-dcmi.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
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Patch

diff --git a/drivers/media/platform/stm32/stm32-dcmi.c b/drivers/media/platform/stm32/stm32-dcmi.c
index bbcc2254fa2e..5f4e1db8cfcd 100644
--- a/drivers/media/platform/stm32/stm32-dcmi.c
+++ b/drivers/media/platform/stm32/stm32-dcmi.c
@@ -723,11 +723,11 @@  static int dcmi_start_streaming(struct vb2_queue *vq, unsigned int count)
 	u32 val = 0;
 	int ret;
 
-	ret = pm_runtime_get_sync(dcmi->dev);
+	ret = pm_runtime_resume_and_get(dcmi->dev);
 	if (ret < 0) {
 		dev_err(dcmi->dev, "%s: Failed to start streaming, cannot get sync (%d)\n",
 			__func__, ret);
-		goto err_pm_put;
+		goto err_unlock;
 	}
 
 	ret = media_pipeline_start(&dcmi->vdev->entity, &dcmi->pipeline);
@@ -848,6 +848,7 @@  static int dcmi_start_streaming(struct vb2_queue *vq, unsigned int count)
 
 err_pm_put:
 	pm_runtime_put(dcmi->dev);
+err_unlock:
 	spin_lock_irq(&dcmi->irqlock);
 	/*
 	 * Return all buffers to vb2 in QUEUED state.