[PATCH net-next v2 1/3] net: phy: mscc: Simplify LED mode update using phy_modify()

From: Prabhakar

Date: Fri Nov 07 2025 - 15:12:55 EST


From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>

The vsc85xx_led_cntl_set() function currently performs a manual
read-modify-write sequence protected by the PHY lock to update the
LED mode register (MSCC_PHY_LED_MODE_SEL).

Replace this sequence with a call to phy_modify(), which already
handles read-modify-write operations with proper locking inside
the PHY core.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
---
v1->v2:
- New patch
---
drivers/net/phy/mscc/mscc_main.c | 13 +++----------
1 file changed, 3 insertions(+), 10 deletions(-)

diff --git a/drivers/net/phy/mscc/mscc_main.c b/drivers/net/phy/mscc/mscc_main.c
index 8678ebf89cca..032050ec0bc9 100644
--- a/drivers/net/phy/mscc/mscc_main.c
+++ b/drivers/net/phy/mscc/mscc_main.c
@@ -177,17 +177,10 @@ static int vsc85xx_led_cntl_set(struct phy_device *phydev,
u8 led_num,
u8 mode)
{
- int rc;
- u16 reg_val;
-
- mutex_lock(&phydev->lock);
- reg_val = phy_read(phydev, MSCC_PHY_LED_MODE_SEL);
- reg_val &= ~LED_MODE_SEL_MASK(led_num);
- reg_val |= LED_MODE_SEL(led_num, (u16)mode);
- rc = phy_write(phydev, MSCC_PHY_LED_MODE_SEL, reg_val);
- mutex_unlock(&phydev->lock);
+ u16 mask = LED_MODE_SEL_MASK(led_num);
+ u16 val = LED_MODE_SEL(led_num, mode);

- return rc;
+ return phy_modify(phydev, MSCC_PHY_LED_MODE_SEL, mask, val);
}

static int vsc85xx_mdix_get(struct phy_device *phydev, u8 *mdix)
--
2.43.0