diff mbox series

[3/7] mmc: bcm2835: Release DMA channel on driver unload

Message ID 1541943930-23873-4-git-send-email-stefan.wahren@i2se.com (mailing list archive)
State New, archived
Headers show
Series mmc: Several fixes for bcm2835 driver | expand

Commit Message

Stefan Wahren Nov. 11, 2018, 1:45 p.m. UTC 
We need to release the slave DMA channel during driver unload.

Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
---
 drivers/mmc/host/bcm2835.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/drivers/mmc/host/bcm2835.c b/drivers/mmc/host/bcm2835.c
index a251be2..45724ef 100644
--- a/drivers/mmc/host/bcm2835.c
+++ b/drivers/mmc/host/bcm2835.c
@@ -1457,6 +1457,9 @@  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);