netdev - [PATCH net-next v1 7/7] amd-xgbe: Remove manual check and set of dma

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Message-ID: <20150512192313.14091.85765.stgit@tlendack-t1.amdoffice.net>
Date:	Tue, 12 May 2015 14:23:13 -0500
From:	Tom Lendacky <thomas.lendacky@....com>
To:	<netdev@...r.kernel.org>
CC:	David Miller <davem@...emloft.net>
Subject: [PATCH net-next v1 7/7] amd-xgbe: Remove manual check and set of
 dma_mask pointer

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@....com>
---
 drivers/net/ethernet/amd/xgbe/xgbe-main.c |    2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-main.c b/drivers/net/ethernet/amd/xgbe/xgbe-main.c
index 34c521d..fb7c961 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-main.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-main.c
@@ -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) {

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