diff mbox series

lan743x: Use correct MAC_CR configuration for 1 GBit speed

Message ID 20200603215414.3606-1-rberg@berg-solutions.de
State New
Headers show
Series lan743x: Use correct MAC_CR configuration for 1 GBit speed | expand

Commit Message

Roelof Berg June 3, 2020, 9:54 p.m. UTC 
Corrected the MAC_CR configuration bits for 1 GBit operation. The data
sheet allows MAC_CR(2:1) to be 10 and also 11 for 1 GBit/s speed, but
only 10 works correctly.

Devices tested:
Microchip Lan7431, fixed-phy mode
Microchip Lan7430, normal phy mode

Signed-off-by: Roelof Berg <rberg@berg-solutions.de>
---
 drivers/net/ethernet/microchip/lan743x_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/microchip/lan743x_main.c b/drivers/net/ethernet/microchip/lan743x_main.c
index 36624e3c633b..c5c5c688b7e2 100644
--- a/drivers/net/ethernet/microchip/lan743x_main.c
+++ b/drivers/net/ethernet/microchip/lan743x_main.c
@@ -985,7 +985,7 @@  static void lan743x_phy_link_status_change(struct net_device *netdev)
 		break;
 		case SPEED_1000:
 			data |= MAC_CR_CFG_H_;
-			data |= MAC_CR_CFG_L_;
+			data &= ~MAC_CR_CFG_L_;
 		break;
 		}
 		lan743x_csr_write(adapter, MAC_CR, data);