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| author | Lukas Wunner <lukas@wunner.de> | 2019-01-23 09:26:00 +0100 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2019-02-04 12:41:18 +0530 |
| commit | 3e05ada043828c5880c88789c824e3d40d6830cb (patch) | |
| tree | 7d89392e517a36cc629a88113bce97fe9ca592eb /drivers/dma/bcm2835-dma.c | |
| parent | 9e528c799d17a4ac37d788c81440b50377dd592d (diff) | |
| download | linux-3e05ada043828c5880c88789c824e3d40d6830cb.tar.gz | |
dmaengine: bcm2835: Return void from abort of transactions
bcm2835_dma_abort() returns an int but bcm2835_dma_terminate_all() (its sole caller) does not evaluate the return value. Change the return type to void. Signed-off-by: Lukas Wunner <lukas@wunner.de> Cc: Frank Pavlic <f.pavlic@kunbus.de> Cc: Martin Sperl <kernel@martin.sperl.org> Cc: Florian Meier <florian.meier@koalo.de> Tested-by: Stefan Wahren <stefan.wahren@i2se.com> Acked-by: Florian Kauer <florian.kauer@koalo.de> Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma/bcm2835-dma.c')
| -rw-r--r-- | drivers/dma/bcm2835-dma.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/dma/bcm2835-dma.c b/drivers/dma/bcm2835-dma.c index ae10f5614f95..a56fe373e8f9 100644 --- a/drivers/dma/bcm2835-dma.c +++ b/drivers/dma/bcm2835-dma.c @@ -406,7 +406,7 @@ static void bcm2835_dma_fill_cb_chain_with_sg( } } -static int bcm2835_dma_abort(struct bcm2835_chan *c) +static void bcm2835_dma_abort(struct bcm2835_chan *c) { void __iomem *chan_base = c->chan_base; long int timeout = 10000; @@ -416,7 +416,7 @@ static int bcm2835_dma_abort(struct bcm2835_chan *c) * (The ACTIVE flag in the CS register is not a reliable indicator.) */ if (!readl(chan_base + BCM2835_DMA_ADDR)) - return 0; + return; /* Write 0 to the active bit - Pause the DMA */ writel(0, chan_base + BCM2835_DMA_CS); @@ -432,7 +432,6 @@ static int bcm2835_dma_abort(struct bcm2835_chan *c) "failed to complete outstanding writes\n"); writel(BCM2835_DMA_RESET, chan_base + BCM2835_DMA_CS); - return 0; } static void bcm2835_dma_start_desc(struct bcm2835_chan *c) |