lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Message-ID: <701034ea45c08db557af926a5a44113e4e45c634.1683756691.git.daniel@makrotopia.org> Date: Thu, 11 May 2023 01:00:21 +0200 From: Daniel Golle <daniel@...rotopia.org> To: netdev@...r.kernel.org, linux-mediatek@...ts.infradead.org, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, Andrew Lunn <andrew@...n.ch>, Heiner Kallweit <hkallweit1@...il.com>, Russell King <linux@...linux.org.uk>, "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com> Subject: [PATCH net-next 8/8] net: phy: realtek: setup ALDPS on RTL8221B Setup Link Down Power Saving Mode according the DTS property just like for RTL821x 1GE PHYs. Signed-off-by: Daniel Golle <daniel@...rotopia.org> --- drivers/net/phy/realtek.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/drivers/net/phy/realtek.c b/drivers/net/phy/realtek.c index 29168f98f451..b5d7208004d8 100644 --- a/drivers/net/phy/realtek.c +++ b/drivers/net/phy/realtek.c @@ -62,6 +62,10 @@ #define RTL8221B_SERDES_OPTION_MODE_2500BASEX 2 #define RTL8221B_SERDES_OPTION_MODE_HISGMII 3 +#define RTL8221B_PHYCR1 0xa430 +#define RTL8221B_PHYCR1_ALDPS_EN BIT(2) +#define RTL8221B_PHYCR1_ALDPS_XTAL_OFF_EN BIT(12) + #define RTL8366RB_POWER_SAVE 0x15 #define RTL8366RB_POWER_SAVE_ON BIT(12) @@ -757,6 +761,25 @@ static int rtl8226_match_phy_device(struct phy_device *phydev) rtlgen_supports_2_5gbps(phydev); } +static int rtl822x_probe(struct phy_device *phydev) +{ + struct device *dev = &phydev->mdio.dev; + int val; + + val = phy_read_mmd(phydev, RTL8221B_MMD_SERDES_CTRL, RTL8221B_PHYCR1); + if (val < 0) + return val; + + if (of_property_read_bool(dev->of_node, "realtek,aldps-enable")) + val |= RTL8221B_PHYCR1_ALDPS_EN | RTL8221B_PHYCR1_ALDPS_XTAL_OFF_EN; + else + val &= ~(RTL8221B_PHYCR1_ALDPS_EN | RTL8221B_PHYCR1_ALDPS_XTAL_OFF_EN); + + phy_write_mmd(phydev, RTL8221B_MMD_SERDES_CTRL, RTL8221B_PHYCR1, val); + + return 0; +} + static int rtlgen_resume(struct phy_device *phydev) { int ret = genphy_resume(phydev); @@ -1034,6 +1057,7 @@ static struct phy_driver realtek_drvs[] = { .match_phy_device = rtl8226_match_phy_device, .get_features = rtl822x_get_features, .config_aneg = rtl822x_config_aneg, + .probe = rtl822x_probe, .read_status = rtl822x_read_status, .suspend = genphy_suspend, .resume = rtlgen_resume, @@ -1048,6 +1072,7 @@ static struct phy_driver realtek_drvs[] = { .get_features = rtl822x_get_features, .config_aneg = rtl822x_config_aneg, .config_init = rtl8221b_config_init, + .probe = rtl822x_probe, .read_status = rtl822x_read_status, .suspend = genphy_suspend, .resume = rtlgen_resume, @@ -1061,6 +1086,7 @@ static struct phy_driver realtek_drvs[] = { .name = "RTL8226-CG 2.5Gbps PHY", .get_features = rtl822x_get_features, .config_aneg = rtl822x_config_aneg, + .probe = rtl822x_probe, .read_status = rtl822x_read_status, .suspend = genphy_suspend, .resume = rtlgen_resume, @@ -1073,6 +1099,7 @@ static struct phy_driver realtek_drvs[] = { .get_features = rtl822x_get_features, .config_aneg = rtl822x_config_aneg, .config_init = rtl8221b_config_init, + .probe = rtl822x_probe, .read_status = rtl822x_read_status, .suspend = genphy_suspend, .resume = rtlgen_resume, @@ -1085,6 +1112,7 @@ static struct phy_driver realtek_drvs[] = { .get_features = rtl822x_get_features, .config_aneg = rtl822x_config_aneg, .config_init = rtl8221b_config_init, + .probe = rtl822x_probe, .read_status = rtl822x_read_status, .suspend = genphy_suspend, .resume = rtlgen_resume, @@ -1097,6 +1125,7 @@ static struct phy_driver realtek_drvs[] = { .get_features = rtl822x_get_features, .config_aneg = rtl822x_config_aneg, .config_init = rtl8221b_config_init, + .probe = rtl822x_probe, .read_status = rtl822x_read_status, .suspend = genphy_suspend, .resume = rtlgen_resume, -- 2.40.0
Powered by blists - more mailing lists