[PATCH RFC 18/51] DMA-API: staging: et131x: replace dma_set_mask()+dma_set_coherent_mask() with new helper

Russell King
2013-08-01T21:52:37Z

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().

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
drivers/staging/et131x/et131x.c | 17 ++---------------
1 files changed, 2 insertions(+), 15 deletions(-)

diff --git a/drivers/staging/et131x/et131x.c b/drivers/staging/et131x/et131x.c
index f73e58f..98edfa8 100644
--- a/drivers/staging/et131x/et131x.c
+++ b/drivers/staging/et131x/et131x.c
@@ -4797,21 +4797,8 @@ static int et131x_pci_setup(struct pci_dev *pdev,
pci_set_master(pdev);

/* Check the DMA addressing support of this device */
- if (!dma_set_mask(&pdev->dev, DMA_BIT_MASK(64))) {
- rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64));
- if (rc < 0) {
- dev_err(&pdev->dev,
- "Unable to obtain 64 bit DMA for consistent allocations\n");
- goto err_release_res;
- }
- } else if (!dma_set_mask(&pdev->dev, DMA_BIT_MASK(32))) {
- rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
- if (rc < 0) {
- dev_err(&pdev->dev,
- "Unable to obtain 32 bit DMA for consistent allocations\n");
- goto err_release_res;
- }
- } else {
+ if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)) ||
+ dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32))) {
dev_err(&pdev->dev, "No usable DMA addressing method\n");
rc = -EIO;
goto err_release_res;
--
1.7.4.4