From 6f65497b567ef9a518d930ef30fe6b8f27051688 Mon Sep 17 00:00:00 2001 From: Eilon Greenstein Date: Wed, 12 Aug 2009 08:23:51 +0000 Subject: [PATCH] bnx2x: Keep only one HW path active Disable bmac access while working with emac and keep the single lane SerDes in reset while working with 4 lanes XGXS Signed-off-by: Yaniv Rosner Signed-off-by: Eilon Greenstein Signed-off-by: David S. Miller --- drivers/net/bnx2x_link.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/net/bnx2x_link.c b/drivers/net/bnx2x_link.c index dc3b69e1fd1d..b81a05737d48 100644 --- a/drivers/net/bnx2x_link.c +++ b/drivers/net/bnx2x_link.c @@ -397,7 +397,8 @@ static u8 bnx2x_emac_enable(struct link_params *params, /* enable access for bmac registers */ REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1); - } + } else + REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0); vars->mac_type = MAC_TYPE_EMAC; return 0; @@ -1021,8 +1022,8 @@ static u8 bnx2x_reset_unicore(struct link_params *params) MDIO_COMBO_IEEE0_MII_CONTROL, (mii_control | MDIO_COMBO_IEEO_MII_CONTROL_RESET)); - - bnx2x_set_serdes_access(params); + if (params->switch_cfg == SWITCH_CFG_1G) + bnx2x_set_serdes_access(params); /* wait for the reset to self clear */ for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) { -- 2.20.1