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DMA-API: net: sfc/efx.c: replace dma_set_mask()+dma_set_coherent_mask() with new helper

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Replace the following sequence:

	dma_set_mask(dev, mask);
	dma_set_coherent_mask(dev, mask);

with a call to the new helper dma_set_mask_and_coherent().

Acked-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2013-06-26 23:49:11 +01:00
parent 9931a26ea7
commit 9663dedafa
1 changed files with 1 additions and 11 deletions
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12
drivers/net/ethernet/sfc/efx.c
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@ -1121,7 +1121,7 @@ static int efx_init_io(struct efx_nic *efx)
*/
while (dma_mask > 0x7fffffffUL) {
if (dma_supported(&pci_dev->dev, dma_mask)) {
rc = dma_set_mask(&pci_dev->dev, dma_mask);
rc = dma_set_mask_and_coherent(&pci_dev->dev, dma_mask);
if (rc == 0)
break;
}
@ -1134,16 +1134,6 @@ static int efx_init_io(struct efx_nic *efx)
}
netif_dbg(efx, probe, efx->net_dev,
"using DMA mask %llx\n", (unsigned long long) dma_mask);
rc = dma_set_coherent_mask(&pci_dev->dev, dma_mask);
if (rc) {
/* dma_set_coherent_mask() is not *allowed* to
* fail with a mask that dma_set_mask() accepted,
* but just in case...
*/
netif_err(efx, probe, efx->net_dev,
"failed to set consistent DMA mask\n");
goto fail2;
}
efx->membase_phys = pci_resource_start(efx->pci_dev, EFX_MEM_BAR);
rc = pci_request_region(pci_dev, EFX_MEM_BAR, "sfc");