From: Kim Phillips Date: Mon, 26 Nov 2007 22:17:52 +0000 (-0600) Subject: phylib: marvell: add support for TX-only and RX-only Internal Delay X-Git-Tag: v2.6.24-rc4~9^2~13 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9daf5a7695f70b60c498aac079f908c81ffe4d15;p=linux-2.6 phylib: marvell: add support for TX-only and RX-only Internal Delay Previously, Internal Delay specification implied the delay be applied to both TX and RX. This patch allows for separate TX/RX-only internal delay specification. Signed-off-by: Kim Phillips Tested-by: Anton Vorontsov Acked-by: Li Yang Signed-off-by: Jeff Garzik --- diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index 035fd41fb6..f0574073a2 100644 --- a/drivers/net/phy/marvell.c +++ b/drivers/net/phy/marvell.c @@ -143,21 +143,29 @@ static int m88e1111_config_init(struct phy_device *phydev) int err; if ((phydev->interface == PHY_INTERFACE_MODE_RGMII) || - (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)) { + (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) || + (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) || + (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)) { int temp; - if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) { - temp = phy_read(phydev, MII_M1111_PHY_EXT_CR); - if (temp < 0) - return temp; + temp = phy_read(phydev, MII_M1111_PHY_EXT_CR); + if (temp < 0) + return temp; + if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) { temp |= (MII_M1111_RX_DELAY | MII_M1111_TX_DELAY); - - err = phy_write(phydev, MII_M1111_PHY_EXT_CR, temp); - if (err < 0) - return err; + } else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) { + temp &= ~MII_M1111_TX_DELAY; + temp |= MII_M1111_RX_DELAY; + } else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) { + temp &= ~MII_M1111_RX_DELAY; + temp |= MII_M1111_TX_DELAY; } + err = phy_write(phydev, MII_M1111_PHY_EXT_CR, temp); + if (err < 0) + return err; + temp = phy_read(phydev, MII_M1111_PHY_EXT_SR); if (temp < 0) return temp;