未验证 提交 2abbae5a 编写于 作者: C Clark Wang 提交者: Mark Brown

spi: lpspi: fix the imbalance of runtime pm function call

Call the put function after probe successfully. Otherwise, the lpspi
module will keep active status until the first spi transfer called.

Disable runtime pm when probe fails. There is no need to active runtime
pm after probe failed.
Signed-off-by: NClark Wang <xiaoning.wang@nxp.com>
Link: https://lore.kernel.org/r/20200714075251.12777-2-xiaoning.wang@nxp.comSigned-off-by: NMark Brown <broonie@kernel.org>
上级 2b2d441d
......@@ -913,10 +913,15 @@ static int fsl_lpspi_probe(struct platform_device *pdev)
if (ret < 0)
dev_err(&pdev->dev, "dma setup error %d, use pio\n", ret);
pm_runtime_mark_last_busy(fsl_lpspi->dev);
pm_runtime_put_autosuspend(fsl_lpspi->dev);
return 0;
out_pm_get:
pm_runtime_put_noidle(fsl_lpspi->dev);
pm_runtime_dont_use_autosuspend(fsl_lpspi->dev);
pm_runtime_put_sync(fsl_lpspi->dev);
pm_runtime_disable(fsl_lpspi->dev);
out_controller_put:
spi_controller_put(controller);
......
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