This is a note to let you know that I've just added the patch titled
media: exynos4-is: Fix PM disable depth imbalance in fimc_is_probe
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
media-exynos4-is-fix-pm-disable-depth-imbalance-in-f.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit ef1a115a3f54b5565b5f99a2857848a7edb0dae2
Author: Miaoqian Lin <linmq006@xxxxxxxxx>
Date: Mon Mar 7 08:52:06 2022 +0100
media: exynos4-is: Fix PM disable depth imbalance in fimc_is_probe
[ Upstream commit 5c0db68ce0faeb000c3540d095eb272d671a6e03 ]
If probe fails then we need to call pm_runtime_disable() to balance
out the previous pm_runtime_enable() call.
Fixes: 9a761e436843 ("[media] exynos4-is: Add Exynos4x12 FIMC-IS driver")
Signed-off-by: Miaoqian Lin <linmq006@xxxxxxxxx>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxx>
Reviewed-by: Alim Akhtar <alim.akhtar@xxxxxxxxxxx>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/media/platform/exynos4-is/fimc-is.c b/drivers/media/platform/exynos4-is/fimc-is.c
index e55e411038f4..81b290dace3a 100644
--- a/drivers/media/platform/exynos4-is/fimc-is.c
+++ b/drivers/media/platform/exynos4-is/fimc-is.c
@@ -830,7 +830,7 @@ static int fimc_is_probe(struct platform_device *pdev)
ret = pm_runtime_resume_and_get(dev);
if (ret < 0)
- goto err_irq;
+ goto err_pm_disable;
vb2_dma_contig_set_max_seg_size(dev, DMA_BIT_MASK(32));
@@ -864,6 +864,8 @@ static int fimc_is_probe(struct platform_device *pdev)
pm_runtime_put_noidle(dev);
if (!pm_runtime_enabled(dev))
fimc_is_runtime_suspend(dev);
+err_pm_disable:
+ pm_runtime_disable(dev);
err_irq:
free_irq(is->irq, is);
err_clk:
