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

commit b1852c5 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: 13d6eb2 ("i2c: imx-lpi2c: add runtime pm support")
Signed-off-by: Clark Wang <[email protected]>
Signed-off-by: Carlos Song <[email protected]>
Cc: <[email protected]> # v4.16+
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Andi Shyti <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: wangxiaoningnxp

drivers/i2c/busses/i2c-imx-lpi2c.c

@@ -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;
 }