[U-Boot] [PATCH] Net: macb: reset GBE bit when fallback checking

Bo Shen voice.shen at atmel.com
Wed Mar 4 06:35:16 CET 2015


If the GBE bit is set, when do next time autonegotiation,
if the result is not 1000Mbps, it will fallback to 100Mbps
checking. So, we need to clear the GBE bit.

Signed-off-by: Bo Shen <voice.shen at atmel.com>
---

 drivers/net/macb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/macb.c b/drivers/net/macb.c
index 9c2ff48..170ff06 100644
--- a/drivers/net/macb.c
+++ b/drivers/net/macb.c
@@ -515,7 +515,7 @@ static int macb_phy_init(struct macb_device *macb)
 	       lpa);
 
 	ncfgr = macb_readl(macb, NCFGR);
-	ncfgr &= ~(MACB_BIT(SPD) | MACB_BIT(FD));
+	ncfgr &= ~(MACB_BIT(SPD) | MACB_BIT(FD) | GEM_BIT(GBE));
 	if (speed)
 		ncfgr |= MACB_BIT(SPD);
 	if (duplex)
-- 
2.3.0



More information about the U-Boot mailing list