diff options
| author | Stefan Wahren <wahrenst@gmx.net> | 2019-07-16 20:15:18 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-10-05 13:47:45 +0300 |
| commit | 9b5b7f81dfe0213abcd10fa0d312b1efd1fea538 (patch) | |
| tree | af3902d9302107c5aa5d4aec622efee6995d7137 /drivers | |
| parent | 837cf5762f3204cd090b680e8486a2eb29fa74e4 (diff) | |
| download | linux-9b5b7f81dfe0213abcd10fa0d312b1efd1fea538.tar.xz | |
dmaengine: bcm2835: Print error in case setting DMA mask fails
[ Upstream commit 72503b25ee363827aafffc3e8d872e6a92a7e422 ]
During enabling of the RPi 4, we found out that the driver doesn't provide
a helpful error message in case setting DMA mask fails. So add one.
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Link: https://lore.kernel.org/r/1563297318-4900-1-git-send-email-wahrenst@gmx.net
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/dma/bcm2835-dma.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/dma/bcm2835-dma.c b/drivers/dma/bcm2835-dma.c index 6ba53bbd0e16..b984d00bc055 100644 --- a/drivers/dma/bcm2835-dma.c +++ b/drivers/dma/bcm2835-dma.c @@ -891,8 +891,10 @@ static int bcm2835_dma_probe(struct platform_device *pdev) pdev->dev.dma_mask = &pdev->dev.coherent_dma_mask; rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); - if (rc) + if (rc) { + dev_err(&pdev->dev, "Unable to set DMA mask\n"); return rc; + } od = devm_kzalloc(&pdev->dev, sizeof(*od), GFP_KERNEL); if (!od) |