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ae5489e578
- Fix setting of PHY LEDs Mode B bit on RTL8211F. - Rename pending Realtek PHY patches. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
103 lines
3.0 KiB
Diff
103 lines
3.0 KiB
Diff
From d7943c31d57c11e1a517aa3ce2006fca44866870 Mon Sep 17 00:00:00 2001
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From: Jianhui Zhao <zhaojh329@gmail.com>
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Date: Sun, 24 Sep 2023 22:15:00 +0800
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Subject: [PATCH] net: phy: realtek: add interrupt support for RTL8221B
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This commit introduces interrupt support for RTL8221B.
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Signed-off-by: Jianhui Zhao <zhaojh329@gmail.com>
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---
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drivers/net/phy/realtek.c | 47 +++++++++++++++++++++++++++++++++++++++
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1 file changed, 47 insertions(+)
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--- a/drivers/net/phy/realtek.c
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+++ b/drivers/net/phy/realtek.c
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@@ -1287,6 +1287,51 @@ static irqreturn_t rtl9000a_handle_inter
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return IRQ_HANDLED;
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}
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+static int rtl8221b_ack_interrupt(struct phy_device *phydev)
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+{
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+ int err;
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+
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+ err = phy_read_mmd(phydev, MDIO_MMD_VEND2, 0xa4d4);
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+
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+ return (err < 0) ? err : 0;
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+}
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+
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+static int rtl8221b_config_intr(struct phy_device *phydev)
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+{
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+ int err;
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+
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+ if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
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+ err = rtl8221b_ack_interrupt(phydev);
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+ if (err)
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+ return err;
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+
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+ err = phy_write_mmd(phydev, MDIO_MMD_VEND2, 0xa4d2, 0x7ff);
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+ } else {
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+ err = phy_write_mmd(phydev, MDIO_MMD_VEND2, 0xa4d2, 0x0);
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+ if (err)
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+ return err;
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+
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+ err = rtl8221b_ack_interrupt(phydev);
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+ }
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+
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+ return err;
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+}
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+
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+static irqreturn_t rtl8221b_handle_interrupt(struct phy_device *phydev)
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+{
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+ int err;
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+
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+ err = rtl8221b_ack_interrupt(phydev);
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+ if (err) {
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+ phy_error(phydev);
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+ return IRQ_NONE;
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+ }
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+
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+ phy_trigger_machine(phydev);
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+
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+ return IRQ_HANDLED;
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+}
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+
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static struct phy_driver realtek_drvs[] = {
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{
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PHY_ID_MATCH_EXACT(0x00008201),
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@@ -1453,6 +1498,8 @@ static struct phy_driver realtek_drvs[]
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}, {
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.match_phy_device = rtl8221b_vb_cg_c22_match_phy_device,
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.name = "RTL8221B-VB-CG 2.5Gbps PHY (C22)",
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+ .config_intr = rtl8221b_config_intr,
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+ .handle_interrupt = rtl8221b_handle_interrupt,
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.probe = rtl822x_probe,
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.soft_reset = genphy_soft_reset,
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.get_features = rtl822x_get_features,
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@@ -1467,6 +1514,8 @@ static struct phy_driver realtek_drvs[]
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}, {
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.match_phy_device = rtl8221b_vb_cg_c45_match_phy_device,
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.name = "RTL8221B-VB-CG 2.5Gbps PHY (C45)",
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+ .config_intr = rtl8221b_config_intr,
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+ .handle_interrupt = rtl8221b_handle_interrupt,
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.probe = rtl822x_probe,
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.soft_reset = genphy_soft_reset,
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.config_init = rtl822xb_config_init,
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@@ -1479,6 +1528,8 @@ static struct phy_driver realtek_drvs[]
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}, {
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.match_phy_device = rtl8221b_vn_cg_c22_match_phy_device,
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.name = "RTL8221B-VM-CG 2.5Gbps PHY (C22)",
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+ .config_intr = rtl8221b_config_intr,
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+ .handle_interrupt = rtl8221b_handle_interrupt,
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.probe = rtl822x_probe,
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.soft_reset = genphy_soft_reset,
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.get_features = rtl822x_get_features,
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@@ -1493,6 +1544,8 @@ static struct phy_driver realtek_drvs[]
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}, {
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.match_phy_device = rtl8221b_vn_cg_c45_match_phy_device,
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.name = "RTL8221B-VN-CG 2.5Gbps PHY (C45)",
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+ .config_intr = rtl8221b_config_intr,
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+ .handle_interrupt = rtl8221b_handle_interrupt,
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.probe = rtl822x_probe,
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.soft_reset = genphy_soft_reset,
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.config_init = rtl822xb_config_init,
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