From: Daniel Golle Date: Tue, 13 Jan 2026 03:44:33 +0000 (+0000) Subject: net: phy: realtek: demystify PHYSR register location X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=46ff862d376cfadf0f9e36a6edce41a003175708;p=thirdparty%2Fkernel%2Flinux.git net: phy: realtek: demystify PHYSR register location Turns out that register address RTL_VND2_PHYSR (0xa434) maps to Clause-22 register MII_RESV2. Use that to get rid of yet another magic number, and rename access macros accordingly. Signed-off-by: Daniel Golle Link: https://patch.msgid.link/6ed246e0aa3ca8038d2fa432d51518959fb89b6b.1768275364.git.daniel@makrotopia.org Signed-off-by: Jakub Kicinski --- diff --git a/drivers/net/phy/realtek/realtek_main.c b/drivers/net/phy/realtek/realtek_main.c index 84b669b5d7c51..a6b78c475ed8a 100644 --- a/drivers/net/phy/realtek/realtek_main.c +++ b/drivers/net/phy/realtek/realtek_main.c @@ -179,12 +179,12 @@ #define RTL9000A_GINMR 0x14 #define RTL9000A_GINMR_LINK_STATUS BIT(4) -#define RTL_VND2_PHYSR 0xa434 -#define RTL_VND2_PHYSR_DUPLEX BIT(3) -#define RTL_VND2_PHYSR_SPEEDL GENMASK(5, 4) -#define RTL_VND2_PHYSR_SPEEDH GENMASK(10, 9) -#define RTL_VND2_PHYSR_MASTER BIT(11) -#define RTL_VND2_PHYSR_SPEED_MASK (RTL_VND2_PHYSR_SPEEDL | RTL_VND2_PHYSR_SPEEDH) +#define RTL_PHYSR MII_RESV2 +#define RTL_PHYSR_DUPLEX BIT(3) +#define RTL_PHYSR_SPEEDL GENMASK(5, 4) +#define RTL_PHYSR_SPEEDH GENMASK(10, 9) +#define RTL_PHYSR_MASTER BIT(11) +#define RTL_PHYSR_SPEED_MASK (RTL_PHYSR_SPEEDL | RTL_PHYSR_SPEEDH) #define RTL_MDIO_PCS_EEE_ABLE 0xa5c4 #define RTL_MDIO_AN_EEE_ADV 0xa5d0 @@ -1103,12 +1103,12 @@ static void rtlgen_decode_physr(struct phy_device *phydev, int val) * 0: Half Duplex * 1: Full Duplex */ - if (val & RTL_VND2_PHYSR_DUPLEX) + if (val & RTL_PHYSR_DUPLEX) phydev->duplex = DUPLEX_FULL; else phydev->duplex = DUPLEX_HALF; - switch (val & RTL_VND2_PHYSR_SPEED_MASK) { + switch (val & RTL_PHYSR_SPEED_MASK) { case 0x0000: phydev->speed = SPEED_10; break; @@ -1136,7 +1136,7 @@ static void rtlgen_decode_physr(struct phy_device *phydev, int val) * 1: Master Mode */ if (phydev->speed >= 1000) { - if (val & RTL_VND2_PHYSR_MASTER) + if (val & RTL_PHYSR_MASTER) phydev->master_slave_state = MASTER_SLAVE_STATE_MASTER; else phydev->master_slave_state = MASTER_SLAVE_STATE_SLAVE; @@ -1156,8 +1156,7 @@ static int rtlgen_read_status(struct phy_device *phydev) if (!phydev->link) return 0; - val = phy_read_paged(phydev, RTL822X_VND2_TO_PAGE(RTL_VND2_PHYSR), - RTL822X_VND2_TO_PAGE_REG(RTL_VND2_PHYSR)); + val = phy_read(phydev, RTL_PHYSR); if (val < 0) return val; @@ -1624,7 +1623,8 @@ static int rtl822x_c45_read_status(struct phy_device *phydev) } /* Read actual speed from vendor register. */ - val = phy_read_mmd(phydev, MDIO_MMD_VEND2, RTL_VND2_PHYSR); + val = phy_read_mmd(phydev, MDIO_MMD_VEND2, + RTL822X_VND2_C22_REG(RTL_PHYSR)); if (val < 0) return val; @@ -2128,7 +2128,7 @@ static int rtlgen_sfp_read_status(struct phy_device *phydev) if (!phydev->link) return 0; - val = rtlgen_read_vend2(phydev, RTL_VND2_PHYSR); + val = phy_read(phydev, RTL_PHYSR); if (val < 0) return val;