v4.19.13 snapshot.
diff --git a/drivers/net/phy/ste10Xp.c b/drivers/net/phy/ste10Xp.c
new file mode 100644
index 0000000..fbd548a
--- /dev/null
+++ b/drivers/net/phy/ste10Xp.c
@@ -0,0 +1,121 @@
+/*
+ * drivers/net/phy/ste10Xp.c
+ *
+ * Driver for STMicroelectronics STe10Xp PHYs
+ *
+ * Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
+ *
+ * Copyright (c) 2008 STMicroelectronics Limited
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <linux/kernel.h>
+#include <linux/moduleparam.h>
+#include <linux/interrupt.h>
+#include <linux/netdevice.h>
+#include <linux/ethtool.h>
+#include <linux/mii.h>
+#include <linux/phy.h>
+
+#define MII_XCIIS 0x11 /* Configuration Info IRQ & Status Reg */
+#define MII_XIE 0x12 /* Interrupt Enable Register */
+#define MII_XIE_DEFAULT_MASK 0x0070 /* ANE complete, Remote Fault, Link Down */
+
+#define STE101P_PHY_ID 0x00061c50
+#define STE100P_PHY_ID 0x1c040011
+
+static int ste10Xp_config_init(struct phy_device *phydev)
+{
+ int value, err;
+
+ /* Software Reset PHY */
+ value = phy_read(phydev, MII_BMCR);
+ if (value < 0)
+ return value;
+
+ value |= BMCR_RESET;
+ err = phy_write(phydev, MII_BMCR, value);
+ if (err < 0)
+ return err;
+
+ do {
+ value = phy_read(phydev, MII_BMCR);
+ } while (value & BMCR_RESET);
+
+ return 0;
+}
+
+static int ste10Xp_config_intr(struct phy_device *phydev)
+{
+ int err, value;
+
+ if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
+ /* Enable all STe101P interrupts (PR12) */
+ err = phy_write(phydev, MII_XIE, MII_XIE_DEFAULT_MASK);
+ /* clear any pending interrupts */
+ if (err == 0) {
+ value = phy_read(phydev, MII_XCIIS);
+ if (value < 0)
+ err = value;
+ }
+ } else
+ err = phy_write(phydev, MII_XIE, 0);
+
+ return err;
+}
+
+static int ste10Xp_ack_interrupt(struct phy_device *phydev)
+{
+ int err = phy_read(phydev, MII_XCIIS);
+ if (err < 0)
+ return err;
+
+ return 0;
+}
+
+static struct phy_driver ste10xp_pdriver[] = {
+{
+ .phy_id = STE101P_PHY_ID,
+ .phy_id_mask = 0xfffffff0,
+ .name = "STe101p",
+ .features = PHY_BASIC_FEATURES | SUPPORTED_Pause,
+ .flags = PHY_HAS_INTERRUPT,
+ .config_init = ste10Xp_config_init,
+ .ack_interrupt = ste10Xp_ack_interrupt,
+ .config_intr = ste10Xp_config_intr,
+ .suspend = genphy_suspend,
+ .resume = genphy_resume,
+}, {
+ .phy_id = STE100P_PHY_ID,
+ .phy_id_mask = 0xffffffff,
+ .name = "STe100p",
+ .features = PHY_BASIC_FEATURES | SUPPORTED_Pause,
+ .flags = PHY_HAS_INTERRUPT,
+ .config_init = ste10Xp_config_init,
+ .ack_interrupt = ste10Xp_ack_interrupt,
+ .config_intr = ste10Xp_config_intr,
+ .suspend = genphy_suspend,
+ .resume = genphy_resume,
+} };
+
+module_phy_driver(ste10xp_pdriver);
+
+static struct mdio_device_id __maybe_unused ste10Xp_tbl[] = {
+ { STE101P_PHY_ID, 0xfffffff0 },
+ { STE100P_PHY_ID, 0xffffffff },
+ { }
+};
+
+MODULE_DEVICE_TABLE(mdio, ste10Xp_tbl);
+
+MODULE_DESCRIPTION("STMicroelectronics STe10Xp PHY driver");
+MODULE_AUTHOR("Giuseppe Cavallaro <peppe.cavallaro@st.com>");
+MODULE_LICENSE("GPL");