From 6164659ff7acc16f3f37a9278f856fd1fb02a8f9 Mon Sep 17 00:00:00 2001 From: Song Yoong Siang Date: Fri, 13 Aug 2021 16:45:08 +0800 Subject: net: phy: marvell: Add WAKE_PHY support to WOL event Add Wake-on-PHY feature support by enabling the Link Up Event. Signed-off-by: Song Yoong Siang Reviewed-by: Andrew Lunn Signed-off-by: David S. Miller --- drivers/net/phy/marvell.c | 39 ++++++++++++++++++++++++++++++++++++--- 1 file changed, 36 insertions(+), 3 deletions(-) (limited to 'drivers/net/phy') diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index ce0a7de1e08f..4fcfca4e1702 100644 --- a/drivers/net/phy/marvell.c +++ b/drivers/net/phy/marvell.c @@ -157,6 +157,7 @@ #define MII_88E1318S_PHY_WOL_CTRL 0x10 #define MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS BIT(12) +#define MII_88E1318S_PHY_WOL_CTRL_LINK_UP_ENABLE BIT(13) #define MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE BIT(14) #define MII_PHY_LED_CTRL 16 @@ -1755,13 +1756,19 @@ static void m88e1318_get_wol(struct phy_device *phydev, { int ret; - wol->supported = WAKE_MAGIC; + wol->supported = WAKE_MAGIC | WAKE_PHY; wol->wolopts = 0; ret = phy_read_paged(phydev, MII_MARVELL_WOL_PAGE, MII_88E1318S_PHY_WOL_CTRL); - if (ret >= 0 && ret & MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE) + if (ret < 0) + return; + + if (ret & MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE) wol->wolopts |= WAKE_MAGIC; + + if (ret & MII_88E1318S_PHY_WOL_CTRL_LINK_UP_ENABLE) + wol->wolopts |= WAKE_PHY; } static int m88e1318_set_wol(struct phy_device *phydev, @@ -1773,7 +1780,7 @@ static int m88e1318_set_wol(struct phy_device *phydev, if (oldpage < 0) goto error; - if (wol->wolopts & WAKE_MAGIC) { + if (wol->wolopts & (WAKE_MAGIC | WAKE_PHY)) { /* Explicitly switch to page 0x00, just to be sure */ err = marvell_write_page(phydev, MII_MARVELL_COPPER_PAGE); if (err < 0) @@ -1805,7 +1812,9 @@ static int m88e1318_set_wol(struct phy_device *phydev, MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW); if (err < 0) goto error; + } + if (wol->wolopts & WAKE_MAGIC) { err = marvell_write_page(phydev, MII_MARVELL_WOL_PAGE); if (err < 0) goto error; @@ -1846,6 +1855,30 @@ static int m88e1318_set_wol(struct phy_device *phydev, goto error; } + if (wol->wolopts & WAKE_PHY) { + err = marvell_write_page(phydev, MII_MARVELL_WOL_PAGE); + if (err < 0) + goto error; + + /* Clear WOL status and enable link up event */ + err = __phy_modify(phydev, MII_88E1318S_PHY_WOL_CTRL, 0, + MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS | + MII_88E1318S_PHY_WOL_CTRL_LINK_UP_ENABLE); + if (err < 0) + goto error; + } else { + err = marvell_write_page(phydev, MII_MARVELL_WOL_PAGE); + if (err < 0) + goto error; + + /* Clear WOL status and disable link up event */ + err = __phy_modify(phydev, MII_88E1318S_PHY_WOL_CTRL, + MII_88E1318S_PHY_WOL_CTRL_LINK_UP_ENABLE, + MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS); + if (err < 0) + goto error; + } + error: return phy_restore_page(phydev, oldpage, err); } -- cgit v1.2.3