Commit 3ada7131 authored by Zhang Qilong's avatar Zhang Qilong Committed by Miquel Raynal
Browse files

mtd: rawnand: tegra: Fix PM disable depth imbalance in probe 



The pm_runtime_enable will increase power disable depth. Thus
a pairing decrement is needed on the error handling path to
keep it balanced according to context.

Cc: stable@vger.kernel.org
Fixes: d7d9f8ec ("mtd: rawnand: add NVIDIA Tegra NAND Flash controller driver")
Signed-off-by: default avatarZhang Qilong <zhangqilong3@huawei.com>
Signed-off-by: default avatarMiquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20220926084456.98160-1-zhangqilong3@huawei.com
parent 1f3b494d

drivers/mtd/nand/raw/tegra_nand.c

+3 −1
Original line number Diff line number Diff line
@@ -1181,7 +1181,7 @@ static int tegra_nand_probe(struct platform_device *pdev) 
	pm_runtime_enable(&pdev->dev);

	err = pm_runtime_resume_and_get(&pdev->dev);

	if (err)

		return err;

		goto err_dis_pm;



	err = reset_control_reset(rst);

	if (err) {
@@ -1215,6 +1215,8 @@ static int tegra_nand_probe(struct platform_device *pdev) 
err_put_pm:

	pm_runtime_put_sync_suspend(ctrl->dev);

	pm_runtime_force_suspend(ctrl->dev);

err_dis_pm:

	pm_runtime_disable(&pdev->dev);

	return err;

}