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a68eb99191
Make sure all patches can be applied to a git tree using 'git am' by adding missing patch headers where needed. Signed-off-by: Daniel Golle <daniel@makrotopia.org>
76 lines
1.9 KiB
Diff
76 lines
1.9 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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@@ -981,6 +981,51 @@ static int rtl8221b_config_init(struct p
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return 0;
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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, RTL8221B_MMD_PHY_CTRL, 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, RTL8221B_MMD_PHY_CTRL, 0xa4d2, 0x7ff);
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+ } else {
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+ err = phy_write_mmd(phydev, RTL8221B_MMD_PHY_CTRL, 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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@@ -1141,6 +1186,8 @@ static struct phy_driver realtek_drvs[]
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.get_features = rtl822x_get_features,
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.config_init = rtl8221b_config_init,
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.config_aneg = rtl822x_config_aneg,
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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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.read_status = rtl822x_read_status,
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.suspend = genphy_suspend,
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