[PATCH] ibm_emac: Correctly detect old link speed
Stefan Roese
sr at denx.de
Wed May 16 21:00:08 EST 2007
This patch fixes a bug where the link speed change was not
detected correctly. This occured on a 440SPe (EMAC4) system
where the old link speed was 100Mbps and the new link speed
is 1000Mbps.
Signed-off-by: Stefan Roese <sr at denx.de>
---
commit 1e2a6085bbb6bd384e0812b6e9c62d18d14e1c0f
tree f441a914c9d66fb00fcde1e4bd7e02effba20dc7
parent 7b104bcb8e460e45a1aebe3da9b86aacdb4cab12
author Stefan Roese <sr at denx.de> Wed, 16 May 2007 12:54:40 +0200
committer Stefan Roese <sr at denx.de> Wed, 16 May 2007 12:54:40 +0200
drivers/net/ibm_emac/ibm_emac_core.c | 18 ++++++++++++------
1 files changed, 12 insertions(+), 6 deletions(-)
diff --git a/drivers/net/ibm_emac/ibm_emac_core.c b/drivers/net/ibm_emac/ibm_emac_core.c
index 50035eb..ab38727 100644
--- a/drivers/net/ibm_emac/ibm_emac_core.c
+++ b/drivers/net/ibm_emac/ibm_emac_core.c
@@ -926,12 +926,18 @@ static int emac_link_differs(struct ocp_enet_private *dev)
int duplex = r & EMAC_MR1_FDE ? DUPLEX_FULL : DUPLEX_HALF;
int speed, pause, asym_pause;
- if (r & (EMAC_MR1_MF_1000 | EMAC_MR1_MF_1000GPCS))
- speed = SPEED_1000;
- else if (r & EMAC_MR1_MF_100)
- speed = SPEED_100;
- else
- speed = SPEED_10;
+ switch (r & EMAC_MR1_MF_MASK) {
+ case EMAC_MR1_MF_1000:
+ case EMAC_MR1_MF_1000GPCS:
+ speed = 1000;
+ break;
+ case EMAC_MR1_MF_10:
+ speed = 10;
+ break;
+ case EMAC_MR1_MF_100:
+ default:
+ speed = 100;
+ }
switch (r & (EMAC_MR1_EIFC | EMAC_MR1_APP)) {
case (EMAC_MR1_EIFC | EMAC_MR1_APP):
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