[PATCH V2 3/7] mmc: bcm2835: Release DMA channel on driver unload
From: Stefan Wahren <hidden>
Date: 2018-11-11 20:23:55
Also in:
linux-mmc
Subsystem:
multimedia card (mmc), secure digital (sd) and sdio subsystem, the rest · Maintainers:
Ulf Hansson, Linus Torvalds
We need to release the slave DMA channel during driver unload. Signed-off-by: Stefan Wahren <redacted> --- drivers/mmc/host/bcm2835.c | 3 +++ 1 file changed, 3 insertions(+)
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);
--
2.7.4