Fix unbalanced PM in error path of `atmel_qspi_probe()` by using `devm_pm_runtime_*()` functions. Reported-by: Alexander Dahl <ada@xxxxxxxxxxx> Closes: https://lore.kernel.org/linux-spi/20250110-paycheck-irregular-bcddab1276c7@xxxxxxxxxxx/ Fixes: 5af42209a4d2 ("spi: atmel-quadspi: Add support for sama7g5 QSPI") Signed-off-by: Bence Csókás <csokas.bence@xxxxxxxxx> --- drivers/spi/atmel-quadspi.c | 18 +++++------------- 1 file changed, 5 insertions(+), 13 deletions(-) diff --git a/drivers/spi/atmel-quadspi.c b/drivers/spi/atmel-quadspi.c index b1fb4426c78d..f2164685d3d5 100644 --- a/drivers/spi/atmel-quadspi.c +++ b/drivers/spi/atmel-quadspi.c @@ -1426,22 +1426,18 @@ static int atmel_qspi_probe(struct platform_device *pdev) pm_runtime_set_autosuspend_delay(&pdev->dev, 500); pm_runtime_use_autosuspend(&pdev->dev); - pm_runtime_set_active(&pdev->dev); - pm_runtime_enable(&pdev->dev); - pm_runtime_get_noresume(&pdev->dev); + devm_pm_runtime_set_active(&pdev->dev); + devm_pm_runtime_enable(&pdev->dev); + devm_pm_runtime_get_noresume(&pdev->dev); err = atmel_qspi_init(aq); if (err) return err; err = spi_register_controller(ctrl); - if (err) { - pm_runtime_put_noidle(&pdev->dev); - pm_runtime_disable(&pdev->dev); - pm_runtime_set_suspended(&pdev->dev); - pm_runtime_dont_use_autosuspend(&pdev->dev); + if (err) return err; - } + pm_runtime_mark_last_busy(&pdev->dev); pm_runtime_put_autosuspend(&pdev->dev); @@ -1511,10 +1507,6 @@ static void atmel_qspi_remove(struct platform_device *pdev) */ dev_warn(&pdev->dev, "Failed to resume device on remove\n"); } - - pm_runtime_disable(&pdev->dev); - pm_runtime_dont_use_autosuspend(&pdev->dev); - pm_runtime_put_noidle(&pdev->dev); } static int __maybe_unused atmel_qspi_suspend(struct device *dev) -- 2.48.1
