From f3014c0cb60ec15a0a2542cbfae7e8d888aa5cf8 Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Tue, 29 Jan 2008 21:33:03 -0800 Subject: [PATCH] [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 Signed-off-by: David S. Miller --- drivers/net/bnx2.c | 2 +- drivers/net/bnx2.h | 3 ++- 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 -- 2.20.1