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author | 2021-11-09 11:31:34 +0100 | |
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committer | 2021-11-15 13:27:16 +0000 | |
commit | f02bff30114f385d53ae3e45141db602923bca5d (patch) | |
tree | 865a32297cd0e3398fef4c36ef9febaff9ebfb9e /drivers/spi/spi-fsl-lpspi.c | |
parent | spi: remove unused header file <linux/platform_data/spi-clps711x.h> (diff) | |
download | linux-f02bff30114f385d53ae3e45141db602923bca5d.tar.gz linux-f02bff30114f385d53ae3e45141db602923bca5d.tar.bz2 linux-f02bff30114f385d53ae3e45141db602923bca5d.zip |
spi: lpspi: release requested DMA channels
The requested DMA channels are never released. Do this in .remove as well
as in .probe. spi_register_controller() can return -EPROBE_DEFER if
cs-gpios are not probed yet.
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Link: https://lore.kernel.org/r/20211109103134.184216-1-alexander.stein@ew.tq-group.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi/spi-fsl-lpspi.c')
-rw-r--r-- | drivers/spi/spi-fsl-lpspi.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/spi/spi-fsl-lpspi.c b/drivers/spi/spi-fsl-lpspi.c index c72e501c270f..4c601294f8fa 100644 --- a/drivers/spi/spi-fsl-lpspi.c +++ b/drivers/spi/spi-fsl-lpspi.c @@ -913,7 +913,7 @@ static int fsl_lpspi_probe(struct platform_device *pdev) ret = devm_spi_register_controller(&pdev->dev, controller); if (ret < 0) { dev_err_probe(&pdev->dev, ret, "spi_register_controller error: %i\n", ret); - goto out_pm_get; + goto free_dma; } pm_runtime_mark_last_busy(fsl_lpspi->dev); @@ -921,6 +921,8 @@ static int fsl_lpspi_probe(struct platform_device *pdev) return 0; +free_dma: + fsl_lpspi_dma_exit(controller); out_pm_get: pm_runtime_dont_use_autosuspend(fsl_lpspi->dev); pm_runtime_put_sync(fsl_lpspi->dev); @@ -937,6 +939,8 @@ static int fsl_lpspi_remove(struct platform_device *pdev) struct fsl_lpspi_data *fsl_lpspi = spi_controller_get_devdata(controller); + fsl_lpspi_dma_exit(controller); + pm_runtime_disable(fsl_lpspi->dev); return 0; } |