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amd-xgbe: Remove manual check and set of dma_mask pointer

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The underlying device support will set the device dma_mask pointer
if DMA is set up properly for the device.  Remove the check for and
assignment of dma_mask when it is null. Instead, just error out if
the dma_set_mask_and_coherent function fails because dma_mask is null.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Lendacky, Thomas 2015-05-14 11:44:33 -05:00 committed by David S. Miller
parent c1ce2f7736
commit fc7aabf007
1 changed files with 0 additions and 2 deletions
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2
drivers/net/ethernet/amd/xgbe/xgbe-main.c
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@ -678,8 +678,6 @@ static int xgbe_probe(struct platform_device *pdev)
xgbe_default_config(pdata);
/* Set the DMA mask */
if (!dev->dma_mask)
dev->dma_mask = &dev->coherent_dma_mask;
ret = dma_set_mask_and_coherent(dev,
DMA_BIT_MASK(pdata->hw_feat.dma_width));
if (ret) {