DMA-API: ata: pata_octeon_cf: convert to use dma_coerce_mask_and_coherent()
authorRussell King <rmk+kernel@arm.linux.org.uk>
Thu, 27 Jun 2013 12:34:52 +0000 (13:34 +0100)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Thu, 31 Oct 2013 14:48:49 +0000 (14:48 +0000)
Convert this code sequence:
pdev->dev.coherent_dma_mask = DMA_BIT_MASK(64);
pdev->dev.dma_mask = &pdev->dev.coherent_dma_mask;
to use dma_coerce_mask_and_coherent() to avoid bypassing the architecture
check on the DMA mask.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
drivers/ata/pata_octeon_cf.c

index c51bbb9ea8e8a826e3d2fa68e693d1cf6a3a2a94..83c4ddb1bc7f6e95b79d5e65462430a3c02a292d 100644 (file)
@@ -1014,8 +1014,9 @@ static int octeon_cf_probe(struct platform_device *pdev)
        }
        cf_port->c0 = ap->ioaddr.ctl_addr;
 
-       pdev->dev.coherent_dma_mask = DMA_BIT_MASK(64);
-       pdev->dev.dma_mask = &pdev->dev.coherent_dma_mask;
+       rv = dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
+       if (rv)
+               return rv;
 
        ata_port_desc(ap, "cmd %p ctl %p", base, ap->ioaddr.ctl_addr);