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dma-coherent: remove the DMA_MEMORY_MAP and DMA_MEMORY_IO flags

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DMA_MEMORY_IO was never used in the tree, so remove it.  That means there is
no need for the DMA_MEMORY_MAP flag either now, so remove it as well and
change dma_declare_coherent_memory to return a normal errno value.

Signed-off-by: Christoph Hellwig <[email protected]>
 Reviewed-by: Marek Szyprowski <[email protected]>
This commit is contained in:
Christoph Hellwig 2017-08-25 17:13:09 +02:00
commit 2436bdcda5
11 changed files with 52 additions and 111 deletions
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5
drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c
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@ -1708,11 +1708,10 @@ static int sh_mobile_ceu_probe(struct platform_device *pdev)
err = dma_declare_coherent_memory(&pdev->dev, res->start,
res->start,
resource_size(res),
DMA_MEMORY_MAP |
DMA_MEMORY_EXCLUSIVE);
if (!err) {
if (err) {
dev_err(&pdev->dev, "Unable to declare CEU memory.\n");
return -ENXIO;
return err;
}
pcdev->video_limit = resource_size(res);