108 lines
3.3 KiB
Diff
108 lines
3.3 KiB
Diff
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From eec2539ec9efc8a4f50c68204c01c113c39f2976 Mon Sep 17 00:00:00 2001
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From: Dongjin Kim <tobetter@gmail.com>
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Date: Wed, 17 Nov 2021 13:17:51 +0900
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Subject: [PATCH 07/16] ODROID-COMMON: phy/realtek: add Wake-on-Lan to Realtek
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PHY
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Wake-On-Lan can set with 'ethtool'
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$ sudo ethtool -s eth0 wol u
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Check if 'Wake-on' is set with 'u'
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$ sudo ethtool eth0 | grep Wake
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Supports Wake-on: ug
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Wake-on: u
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In order to wake from remote, run 'wakeonlan' with IP address:
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$ wakeonlan 00:1e:06:42:45:32
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Signed-off-by: Dongjin Kim <tobetter@gmail.com>
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Change-Id: I8ade81ab50d8d886e2908b9cec543e3bf8cc7abd
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---
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.../ethernet/stmicro/stmmac/stmmac_ethtool.c | 2 ++
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drivers/net/phy/realtek.c | 34 +++++++++++++++++++
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2 files changed, 36 insertions(+)
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diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
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index d89455803bed..98f3913b7ae5 100644
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--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
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+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
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@@ -753,6 +753,8 @@ static int stmmac_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
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priv->wolopts = wol->wolopts;
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mutex_unlock(&priv->lock);
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+ phy_ethtool_set_wol(dev->phydev, wol);
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+
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return 0;
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}
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diff --git a/drivers/net/phy/realtek.c b/drivers/net/phy/realtek.c
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index a5671ab896b3..f832992d80fd 100644
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--- a/drivers/net/phy/realtek.c
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+++ b/drivers/net/phy/realtek.c
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@@ -12,6 +12,7 @@
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#include <linux/phy.h>
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#include <linux/module.h>
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#include <linux/delay.h>
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+#include <linux/etherdevice.h>
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#define RTL821x_PHYSR 0x11
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#define RTL821x_PHYSR_DUPLEX BIT(13)
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@@ -228,7 +229,11 @@ static int rtl8211f_config_intr(struct phy_device *phydev)
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val = RTL8211F_INER_LINK_STATUS;
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err = phy_write_paged(phydev, 0xa42, RTL821x_INER, val);
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+
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+ phy_modify_paged(phydev, 0xd40, 0x16, BIT(5), 0);
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} else {
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+ phy_modify_paged(phydev, 0xd40, 0x16, 0, BIT(5));
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+
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val = 0;
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err = phy_write_paged(phydev, 0xa42, RTL821x_INER, val);
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if (err)
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@@ -329,6 +334,34 @@ static int rtl8211c_config_init(struct phy_device *phydev)
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CTL1000_ENABLE_MASTER | CTL1000_AS_MASTER);
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}
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+static int rtl8211f_set_wol(struct phy_device *phydev,
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+ struct ethtool_wolinfo *wol)
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+{
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+ struct net_device *netdev = phydev->attached_dev;
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+ const u8 *mac = (const u8 *)netdev->dev_addr;
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+
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+ if ((wol->wolopts & (WAKE_MAGIC | WAKE_UCAST)) == 0) {
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+ disable_irq_wake(phydev->irq);
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+ return 0;
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+ }
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+
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+ if ((wol->wolopts & WAKE_UCAST)
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+ && is_valid_ether_addr(mac)) {
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+ phy_write_paged(phydev, 0xd8c, 0x10, (mac[1] << 8) | mac[0]);
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+ phy_write_paged(phydev, 0xd8c, 0x11, (mac[3] << 8) | mac[2]);
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+ phy_write_paged(phydev, 0xd8c, 0x12, (mac[5] << 8) | mac[4]);
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+ }
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+
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+ if (wol->wolopts & WAKE_MAGIC) {
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+ phy_write_paged(phydev, 0xd8a, 0x10, 0x1000);
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+ phy_write_paged(phydev, 0xd8a, 0x11, 0x9fff);
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+ }
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+
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+ enable_irq_wake(phydev->irq);
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+
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+ return 0;
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+}
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+
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static int rtl8211f_config_init(struct phy_device *phydev)
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{
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struct rtl821x_priv *priv = phydev->priv;
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@@ -921,6 +954,7 @@ static struct phy_driver realtek_drvs[] = {
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.handle_interrupt = rtl8211f_handle_interrupt,
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.suspend = genphy_suspend,
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.resume = rtl821x_resume,
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+ .set_wol = rtl8211f_set_wol,
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.read_page = rtl821x_read_page,
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.write_page = rtl821x_write_page,
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}, {
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--
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2.34.1
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