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authorMichael Chan <mchan@broadcom.com>2008-01-29 21:33:03 -0800
committerDavid S. Miller <davem@davemloft.net>2008-01-31 19:27:12 -0800
commitf3014c0cb60ec15a0a2542cbfae7e8d888aa5cf8 (patch)
tree9b57e7a8c0efdbdaccd9ee1800d3e924ebebbd70 /drivers/net
parentb6c0632105f7d7548f1d642ba830088478d4f2b0 (diff)
downloadlinux-f3014c0cb60ec15a0a2542cbfae7e8d888aa5cf8.tar.bz2
[BNX2]: Fix 5706 serdes link down bug.
1. Correct the MII expansion serdes control register definition. 2. Check an additional RUDI_INVALID bit when determining 5706S link. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/bnx2.c2
-rw-r--r--drivers/net/bnx2.h3
2 files changed, 3 insertions, 2 deletions
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index 34aebc6e7589..353c73fa3433 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -5315,7 +5315,7 @@ bnx2_5706_serdes_has_link(struct bnx2 *bp)
bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
- if (an_dbg & MISC_SHDW_AN_DBG_NOSYNC)
+ if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
return 0;
bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1);
diff --git a/drivers/net/bnx2.h b/drivers/net/bnx2.h
index d8e034700c36..059e1159647f 100644
--- a/drivers/net/bnx2.h
+++ b/drivers/net/bnx2.h
@@ -6346,11 +6346,12 @@ struct l2_fhdr {
#define MII_BNX2_DSP_EXPAND_REG 0x0f00
#define MII_EXPAND_REG1 (MII_BNX2_DSP_EXPAND_REG | 1)
#define MII_EXPAND_REG1_RUDI_C 0x20
-#define MII_EXPAND_SERDES_CTL (MII_BNX2_DSP_EXPAND_REG | 2)
+#define MII_EXPAND_SERDES_CTL (MII_BNX2_DSP_EXPAND_REG | 3)
#define MII_BNX2_MISC_SHADOW 0x1c
#define MISC_SHDW_AN_DBG 0x6800
#define MISC_SHDW_AN_DBG_NOSYNC 0x0002
+#define MISC_SHDW_AN_DBG_RUDI_INVALID 0x0100
#define MISC_SHDW_MODE_CTL 0x7c00
#define MISC_SHDW_MODE_CTL_SIG_DET 0x0010