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i2c: imx-lpi2c: Fix clock count when probe defers

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commit b1852c5de2 upstream.

Deferred probe with pm_runtime_put() may delay clock disable, causing
incorrect clock usage count. Use pm_runtime_put_sync() to ensure the
clock is disabled immediately.

Fixes: 13d6eb20fc ("i2c: imx-lpi2c: add runtime pm support")
Signed-off-by: Clark Wang <xiaoning.wang@nxp.com>
Signed-off-by: Carlos Song <carlos.song@nxp.com>
Cc: <stable@vger.kernel.org> # v4.16+
Link: https://lore.kernel.org/r/20250421062341.2471922-1-carlos.song@nxp.com
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Clark Wang
2025-04-21 14:23:41 +08:00
committed by Greg Kroah-Hartman
parent 833ef30f01
commit 4f4388a550
1 changed files with 2 additions and 2 deletions
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drivers/i2c/busses/i2c-imx-lpi2c.c
+2 -2
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@@ -652,9 +652,9 @@ static int lpi2c_imx_probe(struct platform_device *pdev)
return 0;
rpm_disable:
pm_runtime_put(&pdev->dev);
pm_runtime_disable(&pdev->dev);
pm_runtime_dont_use_autosuspend(&pdev->dev);
pm_runtime_put_sync(&pdev->dev);
pm_runtime_disable(&pdev->dev);
return ret;
}