The code sequence:
pdev->dev.coherent_dma_mask = DMA_BIT_MASK(64);
pdev->dev.dma_mask = &pdev->dev.coherent_dma_mask;
bypasses the architectures check on the DMA mask. It can be replaced
with dma_coerce_mask_and_coherent(), avoiding the direct initialization
of this mask.
Signed-off-by: Russell King <rmk+ker...@arm.linux.org.uk>
---
drivers/net/ethernet/octeon/octeon_mgmt.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/octeon/octeon_mgmt.c
b/drivers/net/ethernet/octeon/octeon_mgmt.c
index 622aa75..2006a07 100644
--- a/drivers/net/ethernet/octeon/octeon_mgmt.c
+++ b/drivers/net/ethernet/octeon/octeon_mgmt.c
@@ -1552,8 +1552,9 @@ static int octeon_mgmt_probe(struct platform_device *pdev)
p->phy_np = of_parse_phandle(pdev->dev.of_node, "phy-handle", 0);
- pdev->dev.coherent_dma_mask = DMA_BIT_MASK(64);
- pdev->dev.dma_mask = &pdev->dev.coherent_dma_mask;
+ result = dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
+ if (result)
+ goto err;
netif_carrier_off(netdev);
result = register_netdev(netdev);
--
1.7.4.4
--
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