5.10-stable review patch. If anyone has any objections, please let me know.
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From: Clark Wang xiaoning.wang@nxp.com
commit b1852c5de2f2a37dd4462f7837c9e3e678f9e546 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: 13d6eb20fc79 ("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 --- drivers/i2c/busses/i2c-imx-lpi2c.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/i2c/busses/i2c-imx-lpi2c.c +++ b/drivers/i2c/busses/i2c-imx-lpi2c.c @@ -616,9 +616,9 @@ static int lpi2c_imx_probe(struct platfo 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; }