From: Matt Carlson Date: Wed, 20 Jul 2011 10:20:51 +0000 (+0000) Subject: tg3: Fix link flap at 100Mbps with EEE enabled X-Git-Tag: accepted/tizen/common/20141203.182822~6771^2~82 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=be671947b5b3efc6863ff429c1f265aa38e291db;p=platform%2Fkernel%2Flinux-arm64.git tg3: Fix link flap at 100Mbps with EEE enabled This patch increases the scope of the EEE interoperability workaround to include more asic revisions. The workarond value is tuned to workaround a link flap issue at 100Mbps. Signed-off-by: Matt Carlson Reviewed-by: Michael Chan Signed-off-by: David S. Miller --- diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index 5bf7671..2a9ab99 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -3131,15 +3131,16 @@ static int tg3_phy_autoneg_cfg(struct tg3 *tp, u32 advertise, u32 flowctrl) switch (GET_ASIC_REV(tp->pci_chip_rev_id)) { case ASIC_REV_5717: case ASIC_REV_57765: - if (!tg3_phydsp_read(tp, MII_TG3_DSP_CH34TP2, &val)) - tg3_phydsp_write(tp, MII_TG3_DSP_CH34TP2, val | - MII_TG3_DSP_CH34TP2_HIBW01); - /* Fall through */ case ASIC_REV_5719: val = MII_TG3_DSP_TAP26_ALNOKO | MII_TG3_DSP_TAP26_RMRXSTO | MII_TG3_DSP_TAP26_OPCSINPT; tg3_phydsp_write(tp, MII_TG3_DSP_TAP26, val); + /* Fall through */ + case ASIC_REV_5720: + if (!tg3_phydsp_read(tp, MII_TG3_DSP_CH34TP2, &val)) + tg3_phydsp_write(tp, MII_TG3_DSP_CH34TP2, val | + MII_TG3_DSP_CH34TP2_HIBW01); } val = 0; diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h index 6a43fc5..691539b 100644 --- a/drivers/net/tg3.h +++ b/drivers/net/tg3.h @@ -2180,7 +2180,7 @@ #define MII_TG3_DSP_TAP26_OPCSINPT 0x0004 #define MII_TG3_DSP_AADJ1CH0 0x001f #define MII_TG3_DSP_CH34TP2 0x4022 -#define MII_TG3_DSP_CH34TP2_HIBW01 0x017b +#define MII_TG3_DSP_CH34TP2_HIBW01 0x01ff #define MII_TG3_DSP_AADJ1CH3 0x601f #define MII_TG3_DSP_AADJ1CH3_ADCCKADJ 0x0002 #define MII_TG3_DSP_EXP1_INT_STAT 0x0f01