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authorClark Wang <xiaoning.wang@nxp.com>2020-07-14 15:52:47 +0800
committerMark Brown <broonie@kernel.org>2020-07-22 01:55:50 +0100
commit2abbae5a0e4e1d81016f56a403b2daadfee314c3 (patch)
tree61e0451bbbca9ec9e0f92fd3d0da483618b95d3e /drivers
parent2b2d441dcfa4bab4849fa1a792184e66ec4dfd95 (diff)
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: Clark Wang <xiaoning.wang@nxp.com> Link: https://lore.kernel.org/r/20200714075251.12777-2-xiaoning.wang@nxp.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/spi/spi-fsl-lpspi.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/spi/spi-fsl-lpspi.c b/drivers/spi/spi-fsl-lpspi.c
index 38b44446c947..a4a42e85e132 100644
--- a/drivers/spi/spi-fsl-lpspi.c
+++ b/drivers/spi/spi-fsl-lpspi.c
@@ -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);