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authorMatt Carlson <mcarlson@broadcom.com>2009-11-02 14:28:33 +0000
committerDavid S. Miller <davem@davemloft.net>2009-11-02 23:39:09 -0800
commit219c6efefaa3f5cd05db52cda50402b2e1c9ae21 (patch)
treeedffeda5c25cbad045e478b2b4080c7d77134def /drivers
parent47b1b53b41d63f27b308981fde307d415e514431 (diff)
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')
-rw-r--r--drivers/net/phy/broadcom.c22
1 files changed, 14 insertions, 8 deletions
diff --git a/drivers/net/phy/broadcom.c b/drivers/net/phy/broadcom.c
index 9e574ceacf4..1a2b2f2a273 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;