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spi: tegra20-slink: Fix runtime PM imbalance on error 

pm_runtime_get_sync() increments the runtime PM usage counter even
when it returns an error code. Thus a pairing decrement is needed on
the error handling path to keep the counter balanced.

Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Link: https://lore.kernel.org/r/20200523122909.25247-1-dinghao.liu@zju.edu.cn
Signed-off-by: Mark Brown <broonie@kernel.org>
alistair/sunxi64-5.8
Dinghao Liu 2020-05-23 20:29:09 +08:00 committed by Mark Brown
parent cddc36f3fd
commit faedcc17ad
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1 changed files with 1 additions and 0 deletions
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drivers/spi/spi-tegra20-slink.c
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@ -1118,6 +1118,7 @@ static int tegra_slink_probe(struct platform_device *pdev)
ret = pm_runtime_get_sync(&pdev->dev);
if (ret < 0) {
dev_err(&pdev->dev, "pm runtime get failed, e = %d\n", ret);
pm_runtime_put_noidle(&pdev->dev);
goto exit_pm_disable;
}
tspi->def_command_reg = SLINK_M_S;