diff options
| author | Matt Carlson <mcarlson@broadcom.com> | 2009-11-02 15:28:33 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-11-03 08:39:09 +0100 |
| commit | 219c6efefaa3f5cd05db52cda50402b2e1c9ae21 (patch) | |
| tree | edffeda5c25cbad045e478b2b4080c7d77134def /drivers/net/phy | |
| parent | broadcom: Isolate phy dsp accesses (diff) | |
| download | linux-219c6efefaa3f5cd05db52cda50402b2e1c9ae21.tar.xz linux-219c6efefaa3f5cd05db52cda50402b2e1c9ae21.zip | |
broadcom: Fix slow link problem
When a 50610 or 50610M is paired against particular remote partners,
link is slow to come up. This patch works around the problem.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/phy')
| -rw-r--r-- | drivers/net/phy/broadcom.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/drivers/net/phy/broadcom.c b/drivers/net/phy/broadcom.c index 9e574ceacf43..1a2b2f2a273a 100644 --- a/drivers/net/phy/broadcom.c +++ b/drivers/net/phy/broadcom.c @@ -242,12 +242,6 @@ static int bcm50610_a0_workaround(struct phy_device *phydev) { int err; - err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP08, - MII_BCM54XX_EXP_EXP08_RJCT_2MHZ | - MII_BCM54XX_EXP_EXP08_EARLY_DAC_WAKE); - if (err < 0) - return err; - err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_AADJ1CH0, MII_BCM54XX_EXP_AADJ1CH0_SWP_ABCD_OEN | MII_BCM54XX_EXP_AADJ1CH0_SWSEL_THPF); @@ -287,8 +281,20 @@ static int bcm54xx_phydsp_config(struct phy_device *phydev) if (err < 0) return err; - if (phydev->drv->phy_id == PHY_ID_BCM50610) - err = bcm50610_a0_workaround(phydev); + if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM50610 || + BRCM_PHY_MODEL(phydev) == PHY_ID_BCM50610M) { + /* Clear bit 9 to fix a phy interop issue. */ + err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP08, + MII_BCM54XX_EXP_EXP08_RJCT_2MHZ); + if (err < 0) + goto error; + + if (phydev->drv->phy_id == PHY_ID_BCM50610) { + err = bcm50610_a0_workaround(phydev); + if (err < 0) + goto error; + } + } if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM57780) { int val; |