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mmc: bcm2835: Release DMA channel on driver unload 

We need to release the slave DMA channel during driver unload.

Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Acked-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Stefan Wahren 2018-11-11 21:23:55 +01:00 committed by Ulf Hansson
parent 07d405769a
commit 5eae252db3
1 changed files with 3 additions and 0 deletions
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3
drivers/mmc/host/bcm2835.c
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@ -1446,6 +1446,9 @@ static int bcm2835_remove(struct platform_device *pdev)
cancel_work_sync(&host->dma_work);
cancel_delayed_work_sync(&host->timeout_work);
if (host->dma_chan_rxtx)
dma_release_channel(host->dma_chan_rxtx);
mmc_free_host(host->mmc);
platform_set_drvdata(pdev, NULL);