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amd-xgbe: Fix mask appliciation for Clause 37 register

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The application of a mask to clear an area of a clause 37 register value
was not properly applied. Update the code to do the proper application
of the mask.

Reported-by: Marion & Christophe JAILLET <christophe.jaillet@wanadoo.fr>
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 2016-11-14 16:39:07 -06:00 committed by David S. Miller
parent 92547f2be9
commit e6fbd47add
1 changed files with 2 additions and 2 deletions
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4
drivers/net/ethernet/amd/xgbe/xgbe-mdio.c
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@ -943,8 +943,8 @@ static void xgbe_an37_init(struct xgbe_prv_data *pdata)
/* Set up the Control register */
reg = XMDIO_READ(pdata, MDIO_MMD_VEND2, MDIO_VEND2_AN_CTRL);
reg &= XGBE_AN_CL37_TX_CONFIG_MASK;
reg &= XGBE_AN_CL37_PCS_MODE_MASK;
reg &= ~XGBE_AN_CL37_TX_CONFIG_MASK;
reg &= ~XGBE_AN_CL37_PCS_MODE_MASK;
switch (pdata->an_mode) {
case XGBE_AN_MODE_CL37: