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@lst.de --- 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) {