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dmaengine: altera-msgdma: Remove useless DMA-32 fallback configuration 

As stated in [1], dma_set_mask() with a 64-bit mask never fails if
dev->dma_mask is non-NULL.
So, if it fails, the 32 bits case will also fail for the same reason.

Simplify code and remove some dead code accordingly.

[1]: https://lore.kernel.org/linux-kernel/YL3vSPK5DXTNvgdx@infradead.org/#t

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Stefan Roese <sr@denx.de>
Acked-by: Olivier Dautricourt <olivier.dautricourt@orolia.com>
Link: https://lore.kernel.org/r/01058ada3a0dea207212182ca7525060a204f1e1.1642232423.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Christophe JAILLET 2022-01-15 08:40:47 +01:00 committed by Vinod Koul
parent 728f6c7833
commit 7326bf800a
1 changed files with 1 additions and 3 deletions
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4
drivers/dma/altera-msgdma.c
View File

@ -891,9 +891,7 @@ static int msgdma_probe(struct platform_device *pdev)
ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
if (ret) {
dev_warn(&pdev->dev, "unable to set coherent mask to 64");
ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
if (ret)
goto fail;
goto fail;
}
msgdma_reset(mdev);