[PATCH 1/2] amd-xgbe: Fix mask appliciation for Clause 37 register
From: Tom Lendacky <thomas.lendacky@amd.com>
Date: 2016-11-14 22:28:56
Subsystem:
amd xgbe driver, networking drivers, the rest · Maintainers:
Raju Rangoju, Prashanth Kumar K R, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
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 <redacted> Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> --- drivers/net/ethernet/amd/xgbe/xgbe-mdio.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c b/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c
index 0ecae70..4c5b90e 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c@@ -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: