ucc_geth: Remove obsolete workaround of link speed change

The workaround used a long delay of 4s which caused problem when two link-changes happens at the same time. Signed-off-by: Li Yang <leoli@freescale.com> Signed-off-by: Wu Xiaochuan <xiao-chuan.wu@freescale.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
author: Li Yang <leoli@freescale.com> 2007-02-08 04:34:42 -0500
committer: Jeff Garzik <jeff@garzik.org> 2007-02-08 20:13:15 -0500
commit: a1862a53df1a57387aeee059276ba4233e12b4db (patch)
tree: b751b3feb96afb03af6dffdda2fa96b435c6ff40 /drivers/net
parent: 0ee8d33c64df9a719fd61ba693203e3b33b9e10a (diff)
2 files changed, 7 insertions, 66 deletions
diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c
index abb8611c5a91..db0370affb6b 100644
--- a/drivers/net/ucc_geth.c
+++ b/drivers/net/ucc_geth.c
@@ -1709,75 +1709,13 @@ static void adjust_link(struct net_device *dev)
                if (mii_info->speed != ugeth->oldspeed) {
                        switch (mii_info->speed) {
                        case 1000:
-#ifdef CONFIG_PPC_MPC836x
+                                ugeth->ug_info->enet_interface = ENET_1000_RGMII;
-/* FIXME: This code is for 100Mbs BUG fixing,
-remove this when it is fixed!!! */
-                                if (ugeth->ug_info->enet_interface ==
-                                    ENET_1000_GMII)
-                                /* Run the commands which initialize the PHY */
-                                {
-                                        tempval =
-                                            (u32) mii_info->mdio_read(ugeth->
-                                                dev, mii_info->mii_id, 0x1b);
-                                        tempval |= 0x000f;
-                                        mii_info->mdio_write(ugeth->dev,
-                                                mii_info->mii_id, 0x1b,
-                                                (u16) tempval);
-                                        tempval =
-                                            (u32) mii_info->mdio_read(ugeth->
-                                                dev, mii_info->mii_id,
-                                                MII_BMCR);
-                                        mii_info->mdio_write(ugeth->dev,
-                                                mii_info->mii_id, MII_BMCR,
-                                                (u16) (tempval | BMCR_RESET));
-                                } else if (ugeth->ug_info->enet_interface ==
-                                           ENET_1000_RGMII)
-                                /* Run the commands which initialize the PHY */
-                                {
-                                        tempval =
-                                            (u32) mii_info->mdio_read(ugeth->
-                                                dev, mii_info->mii_id, 0x1b);
-                                        tempval = (tempval & ~0x000f) | 0x000b;
-                                        mii_info->mdio_write(ugeth->dev,
-                                                mii_info->mii_id, 0x1b,
-                                                (u16) tempval);
-                                        tempval =
-                                            (u32) mii_info->mdio_read(ugeth->
-                                                dev, mii_info->mii_id,
-                                                MII_BMCR);
-                                        mii_info->mdio_write(ugeth->dev,
-                                                mii_info->mii_id, MII_BMCR,
-                                                (u16) (tempval | BMCR_RESET));
-                                }
-                                msleep(4000);
-#endif                          /* CONFIG_MPC8360 */
-                                adjust_enet_interface(ugeth);
                                break;
                        case 100:
-                        case 10:
-#ifdef CONFIG_PPC_MPC836x
-/* FIXME: This code is for 100Mbs BUG fixing,
-remove this lines when it will be fixed!!! */
                                ugeth->ug_info->enet_interface = ENET_100_RGMII;
-                                tempval =
+                                break;
-                                    (u32) mii_info->mdio_read(ugeth->dev,
+                        case 10:
-                                                              mii_info->mii_id,
+                                ugeth->ug_info->enet_interface = ENET_10_RGMII;
-                                                              0x1b);
-                                tempval = (tempval & ~0x000f) | 0x000b;
-                                mii_info->mdio_write(ugeth->dev,
-                                                     mii_info->mii_id, 0x1b,
-                                                     (u16) tempval);
-                                tempval =
-                                    (u32) mii_info->mdio_read(ugeth->dev,
-                                                              mii_info->mii_id,
-                                                              MII_BMCR);
-                                mii_info->mdio_write(ugeth->dev,
-                                                     mii_info->mii_id, MII_BMCR,
-                                                     (u16) (tempval |
-                                                            BMCR_RESET));
-                                msleep(4000);
-#endif                          /* CONFIG_MPC8360 */
-                                adjust_enet_interface(ugeth);
                                break;
                        default:
                                ugeth_warn
@@ -1785,6 +1723,7 @@ remove this lines when it will be fixed!!! */
                                     dev->name, mii_info->speed);
                                break;
                        }
+                        adjust_enet_interface(ugeth);
                        ugeth_info("%s: Speed %dBT", dev->name,
                                   mii_info->speed);
diff --git a/drivers/net/ucc_geth_phy.c b/drivers/net/ucc_geth_phy.c
index 3c86592ce03c..6fda6d88be49 100644
--- a/drivers/net/ucc_geth_phy.c
+++ b/drivers/net/ucc_geth_phy.c
@@ -376,6 +376,8 @@ static int marvell_init(struct ugeth_mii_info *mii_info)
        ugphy_vdbg("%s: IN", __FUNCTION__);
        ucc_geth_phy_write(mii_info, 0x14, 0x0cd2);
+        ucc_geth_phy_write(mii_info, 0x1b,
+                (ucc_geth_phy_read(mii_info, 0x1b) & ~0x000f) | 0x000b);
        ucc_geth_phy_write(mii_info, MII_BMCR,
                  ucc_geth_phy_read(mii_info, MII_BMCR) | BMCR_RESET);
        msleep(4000);
author	Li Yang <leoli@freescale.com>	2007-02-08 04:34:42 -0500
committer	Jeff Garzik <jeff@garzik.org>	2007-02-08 20:13:15 -0500
commit	a1862a53df1a57387aeee059276ba4233e12b4db (patch)
tree	b751b3feb96afb03af6dffdda2fa96b435c6ff40 /drivers/net
parent	0ee8d33c64df9a719fd61ba693203e3b33b9e10a (diff)

diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c index abb8611c5a91..db0370affb6b 100644 --- a/drivers/net/ucc_geth.c +++ b/drivers/net/ucc_geth.c
@@ -1709,75 +1709,13 @@ static void adjust_link(struct net_device *dev)
1709	if (mii_info->speed != ugeth->oldspeed) {	1709	if (mii_info->speed != ugeth->oldspeed) {
1710	switch (mii_info->speed) {	1710	switch (mii_info->speed) {
1711	case 1000:	1711	case 1000:
1712	#ifdef CONFIG_PPC_MPC836x	1712	ugeth->ug_info->enet_interface = ENET_1000_RGMII;
1713	/* FIXME: This code is for 100Mbs BUG fixing,
1714	remove this when it is fixed!!! */
1715	if (ugeth->ug_info->enet_interface ==
1716	ENET_1000_GMII)
1717	/* Run the commands which initialize the PHY */
1718	{
1719	tempval =
1720	(u32) mii_info->mdio_read(ugeth->
1721	dev, mii_info->mii_id, 0x1b);
1722	tempval \|= 0x000f;
1723	mii_info->mdio_write(ugeth->dev,
1724	mii_info->mii_id, 0x1b,
1725	(u16) tempval);
1726	tempval =
1727	(u32) mii_info->mdio_read(ugeth->
1728	dev, mii_info->mii_id,
1729	MII_BMCR);
1730	mii_info->mdio_write(ugeth->dev,
1731	mii_info->mii_id, MII_BMCR,
1732	(u16) (tempval \| BMCR_RESET));
1733	} else if (ugeth->ug_info->enet_interface ==
1734	ENET_1000_RGMII)
1735	/* Run the commands which initialize the PHY */
1736	{
1737	tempval =
1738	(u32) mii_info->mdio_read(ugeth->
1739	dev, mii_info->mii_id, 0x1b);
1740	tempval = (tempval & ~0x000f) \| 0x000b;
1741	mii_info->mdio_write(ugeth->dev,
1742	mii_info->mii_id, 0x1b,
1743	(u16) tempval);
1744	tempval =
1745	(u32) mii_info->mdio_read(ugeth->
1746	dev, mii_info->mii_id,
1747	MII_BMCR);
1748	mii_info->mdio_write(ugeth->dev,
1749	mii_info->mii_id, MII_BMCR,
1750	(u16) (tempval \| BMCR_RESET));
1751	}
1752	msleep(4000);
1753	#endif /* CONFIG_MPC8360 */
1754	adjust_enet_interface(ugeth);
1755	break;	1713	break;
1756	case 100:	1714	case 100:
1757	case 10:
1758	#ifdef CONFIG_PPC_MPC836x
1759	/* FIXME: This code is for 100Mbs BUG fixing,
1760	remove this lines when it will be fixed!!! */
1761	ugeth->ug_info->enet_interface = ENET_100_RGMII;	1715	ugeth->ug_info->enet_interface = ENET_100_RGMII;
1762	tempval =	1716	break;
1763	(u32) mii_info->mdio_read(ugeth->dev,	1717	case 10:
1764	mii_info->mii_id,	1718	ugeth->ug_info->enet_interface = ENET_10_RGMII;
1765	0x1b);
1766	tempval = (tempval & ~0x000f) \| 0x000b;
1767	mii_info->mdio_write(ugeth->dev,
1768	mii_info->mii_id, 0x1b,
1769	(u16) tempval);
1770	tempval =
1771	(u32) mii_info->mdio_read(ugeth->dev,
1772	mii_info->mii_id,
1773	MII_BMCR);
1774	mii_info->mdio_write(ugeth->dev,
1775	mii_info->mii_id, MII_BMCR,
1776	(u16) (tempval \|
1777	BMCR_RESET));
1778	msleep(4000);
1779	#endif /* CONFIG_MPC8360 */
1780	adjust_enet_interface(ugeth);
1781	break;	1719	break;
1782	default:	1720	default:
1783	ugeth_warn	1721	ugeth_warn
@@ -1785,6 +1723,7 @@ remove this lines when it will be fixed!!! */
1785	dev->name, mii_info->speed);	1723	dev->name, mii_info->speed);
1786	break;	1724	break;
1787	}	1725	}
		1726	adjust_enet_interface(ugeth);
1788		1727
1789	ugeth_info("%s: Speed %dBT", dev->name,	1728	ugeth_info("%s: Speed %dBT", dev->name,
1790	mii_info->speed);	1729	mii_info->speed);


diff --git a/drivers/net/ucc_geth_phy.c b/drivers/net/ucc_geth_phy.c index 3c86592ce03c..6fda6d88be49 100644 --- a/drivers/net/ucc_geth_phy.c +++ b/drivers/net/ucc_geth_phy.c
@@ -376,6 +376,8 @@ static int marvell_init(struct ugeth_mii_info *mii_info)
376	ugphy_vdbg("%s: IN", __FUNCTION__);	376	ugphy_vdbg("%s: IN", __FUNCTION__);
377		377
378	ucc_geth_phy_write(mii_info, 0x14, 0x0cd2);	378	ucc_geth_phy_write(mii_info, 0x14, 0x0cd2);
		379	ucc_geth_phy_write(mii_info, 0x1b,
		380	(ucc_geth_phy_read(mii_info, 0x1b) & ~0x000f) \| 0x000b);
379	ucc_geth_phy_write(mii_info, MII_BMCR,	381	ucc_geth_phy_write(mii_info, MII_BMCR,
380	ucc_geth_phy_read(mii_info, MII_BMCR) \| BMCR_RESET);	382	ucc_geth_phy_read(mii_info, MII_BMCR) \| BMCR_RESET);
381	msleep(4000);	383	msleep(4000);