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path: root/drivers/net/dsa/mv88e6xxx/phy.c
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Diffstat (limited to 'drivers/net/dsa/mv88e6xxx/phy.c')
-rw-r--r--drivers/net/dsa/mv88e6xxx/phy.c51
1 files changed, 41 insertions, 10 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/phy.c b/drivers/net/dsa/mv88e6xxx/phy.c
index 152a65d46e0b..4e7827ee684a 100644
--- a/drivers/net/dsa/mv88e6xxx/phy.c
+++ b/drivers/net/dsa/mv88e6xxx/phy.c
@@ -1,14 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Marvell 88e6xxx Ethernet switch PHY and PPU support
*
* Copyright (c) 2008 Marvell Semiconductor
*
* Copyright (c) 2017 Andrew Lunn <andrew@lunn.ch>
- *
- * 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/mdio.h>
@@ -59,6 +55,38 @@ int mv88e6xxx_phy_write(struct mv88e6xxx_chip *chip, int phy, int reg, u16 val)
return chip->info->ops->phy_write(chip, bus, addr, reg, val);
}
+int mv88e6xxx_phy_read_c45(struct mv88e6xxx_chip *chip, int phy, int devad,
+ int reg, u16 *val)
+{
+ int addr = phy; /* PHY devices addresses start at 0x0 */
+ struct mii_bus *bus;
+
+ bus = mv88e6xxx_default_mdio_bus(chip);
+ if (!bus)
+ return -EOPNOTSUPP;
+
+ if (!chip->info->ops->phy_read_c45)
+ return -EOPNOTSUPP;
+
+ return chip->info->ops->phy_read_c45(chip, bus, addr, devad, reg, val);
+}
+
+int mv88e6xxx_phy_write_c45(struct mv88e6xxx_chip *chip, int phy, int devad,
+ int reg, u16 val)
+{
+ int addr = phy; /* PHY devices addresses start at 0x0 */
+ struct mii_bus *bus;
+
+ bus = mv88e6xxx_default_mdio_bus(chip);
+ if (!bus)
+ return -EOPNOTSUPP;
+
+ if (!chip->info->ops->phy_write_c45)
+ return -EOPNOTSUPP;
+
+ return chip->info->ops->phy_write_c45(chip, bus, addr, devad, reg, val);
+}
+
static int mv88e6xxx_phy_page_get(struct mv88e6xxx_chip *chip, int phy, u8 page)
{
return mv88e6xxx_phy_write(chip, phy, MV88E6XXX_PHY_PAGE, page);
@@ -141,7 +169,7 @@ static void mv88e6xxx_phy_ppu_reenable_work(struct work_struct *ugly)
chip = container_of(ugly, struct mv88e6xxx_chip, ppu_work);
- mutex_lock(&chip->reg_lock);
+ mv88e6xxx_reg_lock(chip);
if (mutex_trylock(&chip->ppu_mutex)) {
if (mv88e6xxx_phy_ppu_enable(chip) == 0)
@@ -149,12 +177,12 @@ static void mv88e6xxx_phy_ppu_reenable_work(struct work_struct *ugly)
mutex_unlock(&chip->ppu_mutex);
}
- mutex_unlock(&chip->reg_lock);
+ mv88e6xxx_reg_unlock(chip);
}
static void mv88e6xxx_phy_ppu_reenable_timer(struct timer_list *t)
{
- struct mv88e6xxx_chip *chip = from_timer(chip, t, ppu_timer);
+ struct mv88e6xxx_chip *chip = timer_container_of(chip, t, ppu_timer);
schedule_work(&chip->ppu_work);
}
@@ -178,7 +206,7 @@ static int mv88e6xxx_phy_ppu_access_get(struct mv88e6xxx_chip *chip)
}
chip->ppu_disabled = 1;
} else {
- del_timer(&chip->ppu_timer);
+ timer_delete(&chip->ppu_timer);
ret = 0;
}
@@ -201,7 +229,10 @@ static void mv88e6xxx_phy_ppu_state_init(struct mv88e6xxx_chip *chip)
static void mv88e6xxx_phy_ppu_state_destroy(struct mv88e6xxx_chip *chip)
{
- del_timer_sync(&chip->ppu_timer);
+ mutex_lock(&chip->ppu_mutex);
+ timer_delete_sync(&chip->ppu_timer);
+ cancel_work_sync(&chip->ppu_work);
+ mutex_unlock(&chip->ppu_mutex);
}
int mv88e6185_phy_ppu_read(struct mv88e6xxx_chip *chip, struct mii_bus *bus,