[PATCH 11/15] sfc: don't call dma_supported

From: Christoph Hellwig
Date: Sat Oct 03 2015 - 11:26:23 EST


dma_set_mask already checks for a supported DMA mask before updating it,
the call to dma_supported is redundant.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
drivers/net/ethernet/sfc/efx.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c
index 974637d..4abe886 100644
--- a/drivers/net/ethernet/sfc/efx.c
+++ b/drivers/net/ethernet/sfc/efx.c
@@ -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) {
--
1.9.1

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