提交 8722b8fb 编写于 作者: C Christoph Hellwig 提交者: Linus Torvalds

sfc: don't call dma_supported

dma_set_mask already checks for a supported DMA mask before updating it,
the call to dma_supported is redundant.
Signed-off-by: NChristoph Hellwig <hch@lst.de>
Cc: Solarflare linux maintainers <linux-net-drivers@solarflare.com>
Cc: Shradha Shah <sshah@solarflare.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
上级 0dcc4a59
......@@ -1247,11 +1247,9 @@ static int efx_init_io(struct efx_nic *efx)
* masks event though they reject 46 bit masks.
*/
while (dma_mask > 0x7fffffffUL) {
if (dma_supported(&pci_dev->dev, dma_mask)) {
rc = dma_set_mask_and_coherent(&pci_dev->dev, dma_mask);
if (rc == 0)
break;
}
rc = dma_set_mask_and_coherent(&pci_dev->dev, dma_mask);
if (rc == 0)
break;
dma_mask >>= 1;
}
if (rc) {
......
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