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: NStefan Wahren <wahrenst@gmx.net> Link: https://lore.kernel.org/r/1563297318-4900-1-git-send-email-wahrenst@gmx.netSigned-off-by: NVinod Koul <vkoul@kernel.org> Signed-off-by: NSasha Levin <sashal@kernel.org>
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