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Message-ID: <20250704-qcom_phy_wol_support-v1-1-053342b1538d@quicinc.com>
Date: Fri, 4 Jul 2025 13:31:13 +0800
From: Luo Jie <quic_luoj@...cinc.com>
To: 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>, Viorel Suman
<viorel.suman@....com>,
Li Yang <leoyang.li@....com>,
"Russell King (Oracle)"
<rmk+kernel@...linux.org.uk>,
Wei Fang <wei.fang@....com>
CC: <linux-arm-msm@...r.kernel.org>, <netdev@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <maxime.chevallier@...tlin.com>,
Luo Jie
<quic_luoj@...cinc.com>
Subject: [PATCH RESEND net 1/3] net: phy: qcom: move the WoL function to
shared library
Move the WoL (Wake-on-LAN) functionality to a shared library to enable
its reuse by the QCA808X PHY driver, incorporating support for WoL
functionality similar to the implementation in at8031_set_wol().
Reviewed-by: Maxime Chevallier <maxime.chevallier@...tlin.com>
Signed-off-by: Luo Jie <quic_luoj@...cinc.com>
---
drivers/net/phy/qcom/at803x.c | 27 ---------------------------
drivers/net/phy/qcom/qcom-phy-lib.c | 25 +++++++++++++++++++++++++
drivers/net/phy/qcom/qcom.h | 5 +++++
3 files changed, 30 insertions(+), 27 deletions(-)
diff --git a/drivers/net/phy/qcom/at803x.c b/drivers/net/phy/qcom/at803x.c
index 26350b962890..8f26e395e39f 100644
--- a/drivers/net/phy/qcom/at803x.c
+++ b/drivers/net/phy/qcom/at803x.c
@@ -26,9 +26,6 @@
#define AT803X_LED_CONTROL 0x18
-#define AT803X_PHY_MMD3_WOL_CTRL 0x8012
-#define AT803X_WOL_EN BIT(5)
-
#define AT803X_REG_CHIP_CONFIG 0x1f
#define AT803X_BT_BX_REG_SEL 0x8000
@@ -866,30 +863,6 @@ static int at8031_config_init(struct phy_device *phydev)
return at803x_config_init(phydev);
}
-static int at8031_set_wol(struct phy_device *phydev,
- struct ethtool_wolinfo *wol)
-{
- int ret;
-
- /* First setup MAC address and enable WOL interrupt */
- ret = at803x_set_wol(phydev, wol);
- if (ret)
- return ret;
-
- if (wol->wolopts & WAKE_MAGIC)
- /* Enable WOL function for 1588 */
- ret = phy_modify_mmd(phydev, MDIO_MMD_PCS,
- AT803X_PHY_MMD3_WOL_CTRL,
- 0, AT803X_WOL_EN);
- else
- /* Disable WoL function for 1588 */
- ret = phy_modify_mmd(phydev, MDIO_MMD_PCS,
- AT803X_PHY_MMD3_WOL_CTRL,
- AT803X_WOL_EN, 0);
-
- return ret;
-}
-
static int at8031_config_intr(struct phy_device *phydev)
{
struct at803x_priv *priv = phydev->priv;
diff --git a/drivers/net/phy/qcom/qcom-phy-lib.c b/drivers/net/phy/qcom/qcom-phy-lib.c
index d28815ef56bb..af7d0d8e81be 100644
--- a/drivers/net/phy/qcom/qcom-phy-lib.c
+++ b/drivers/net/phy/qcom/qcom-phy-lib.c
@@ -115,6 +115,31 @@ int at803x_set_wol(struct phy_device *phydev,
}
EXPORT_SYMBOL_GPL(at803x_set_wol);
+int at8031_set_wol(struct phy_device *phydev,
+ struct ethtool_wolinfo *wol)
+{
+ int ret;
+
+ /* First setup MAC address and enable WOL interrupt */
+ ret = at803x_set_wol(phydev, wol);
+ if (ret)
+ return ret;
+
+ if (wol->wolopts & WAKE_MAGIC)
+ /* Enable WOL function for 1588 */
+ ret = phy_modify_mmd(phydev, MDIO_MMD_PCS,
+ AT803X_PHY_MMD3_WOL_CTRL,
+ 0, AT803X_WOL_EN);
+ else
+ /* Disable WoL function for 1588 */
+ ret = phy_modify_mmd(phydev, MDIO_MMD_PCS,
+ AT803X_PHY_MMD3_WOL_CTRL,
+ AT803X_WOL_EN, 0);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(at8031_set_wol);
+
void at803x_get_wol(struct phy_device *phydev,
struct ethtool_wolinfo *wol)
{
diff --git a/drivers/net/phy/qcom/qcom.h b/drivers/net/phy/qcom/qcom.h
index 4bb541728846..7f7151c8baca 100644
--- a/drivers/net/phy/qcom/qcom.h
+++ b/drivers/net/phy/qcom/qcom.h
@@ -172,6 +172,9 @@
#define AT803X_LOC_MAC_ADDR_16_31_OFFSET 0x804B
#define AT803X_LOC_MAC_ADDR_32_47_OFFSET 0x804A
+#define AT803X_PHY_MMD3_WOL_CTRL 0x8012
+#define AT803X_WOL_EN BIT(5)
+
#define AT803X_DEBUG_ADDR 0x1D
#define AT803X_DEBUG_DATA 0x1E
@@ -215,6 +218,8 @@ int at803x_debug_reg_mask(struct phy_device *phydev, u16 reg,
int at803x_debug_reg_write(struct phy_device *phydev, u16 reg, u16 data);
int at803x_set_wol(struct phy_device *phydev,
struct ethtool_wolinfo *wol);
+int at8031_set_wol(struct phy_device *phydev,
+ struct ethtool_wolinfo *wol);
void at803x_get_wol(struct phy_device *phydev,
struct ethtool_wolinfo *wol);
int at803x_ack_interrupt(struct phy_device *phydev);
--
2.34.1
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