diff options
| -rw-r--r-- | drivers/net/phy/realtek.c | 83 |
1 files changed, 53 insertions, 30 deletions
diff --git a/drivers/net/phy/realtek.c b/drivers/net/phy/realtek.c index cc0a02d54f9b..7c1bf688dd48 100644 --- a/drivers/net/phy/realtek.c +++ b/drivers/net/phy/realtek.c @@ -41,6 +41,39 @@ MODULE_DESCRIPTION("Realtek PHY driver"); MODULE_AUTHOR("Johnson Leung"); MODULE_LICENSE("GPL"); +static int rtl8211x_page_read(struct phy_device *phydev, u16 page, u16 address) +{ + int ret; + + ret = phy_write(phydev, RTL821x_PAGE_SELECT, page); + if (ret) + return ret; + + ret = phy_read(phydev, address); + + /* restore to default page 0 */ + phy_write(phydev, RTL821x_PAGE_SELECT, 0x0); + + return ret; +} + +static int rtl8211x_page_write(struct phy_device *phydev, u16 page, + u16 address, u16 val) +{ + int ret; + + ret = phy_write(phydev, RTL821x_PAGE_SELECT, page); + if (ret) + return ret; + + ret = phy_write(phydev, address, val); + + /* restore to default page 0 */ + phy_write(phydev, RTL821x_PAGE_SELECT, 0x0); + + return ret; +} + static int rtl8201_ack_interrupt(struct phy_device *phydev) { int err; @@ -63,31 +96,21 @@ static int rtl8211f_ack_interrupt(struct phy_device *phydev) { int err; - phy_write(phydev, RTL821x_PAGE_SELECT, 0xa43); - err = phy_read(phydev, RTL8211F_INSR); - /* restore to default page 0 */ - phy_write(phydev, RTL821x_PAGE_SELECT, 0x0); + err = rtl8211x_page_read(phydev, 0xa43, RTL8211F_INSR); return (err < 0) ? err : 0; } static int rtl8201_config_intr(struct phy_device *phydev) { - int err; - - /* switch to page 7 */ - phy_write(phydev, RTL821x_PAGE_SELECT, 0x7); + u16 val; if (phydev->interrupts == PHY_INTERRUPT_ENABLED) - err = phy_write(phydev, RTL8201F_IER, - BIT(13) | BIT(12) | BIT(11)); + val = BIT(13) | BIT(12) | BIT(11); else - err = phy_write(phydev, RTL8201F_IER, 0); + val = 0; - /* restore to default page 0 */ - phy_write(phydev, RTL821x_PAGE_SELECT, 0x0); - - return err; + return rtl8211x_page_write(phydev, 0x7, RTL8201F_IER, val); } static int rtl8211b_config_intr(struct phy_device *phydev) @@ -118,41 +141,41 @@ static int rtl8211e_config_intr(struct phy_device *phydev) static int rtl8211f_config_intr(struct phy_device *phydev) { - int err; + u16 val; - phy_write(phydev, RTL821x_PAGE_SELECT, 0xa42); if (phydev->interrupts == PHY_INTERRUPT_ENABLED) - err = phy_write(phydev, RTL821x_INER, - RTL8211F_INER_LINK_STATUS); + val = RTL8211F_INER_LINK_STATUS; else - err = phy_write(phydev, RTL821x_INER, 0); - phy_write(phydev, RTL821x_PAGE_SELECT, 0); + val = 0; - return err; + return rtl8211x_page_write(phydev, 0xa42, RTL821x_INER, val); } static int rtl8211f_config_init(struct phy_device *phydev) { int ret; - u16 reg; + u16 val; ret = genphy_config_init(phydev); if (ret < 0) return ret; - phy_write(phydev, RTL821x_PAGE_SELECT, 0xd08); - reg = phy_read(phydev, 0x11); + ret = rtl8211x_page_read(phydev, 0xd08, 0x11); + if (ret < 0) + return ret; + + val = ret & 0xffff; /* enable TX-delay for rgmii-id and rgmii-txid, otherwise disable it */ if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID || phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) - reg |= RTL8211F_TX_DELAY; + val |= RTL8211F_TX_DELAY; else - reg &= ~RTL8211F_TX_DELAY; + val &= ~RTL8211F_TX_DELAY; - phy_write(phydev, 0x11, reg); - /* restore to default page 0 */ - phy_write(phydev, RTL821x_PAGE_SELECT, 0x0); + ret = rtl8211x_page_write(phydev, 0xd08, 0x11, val); + if (ret) + return ret; return 0; } |