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- From 4e901018432e38eab35d2a352661ce4727795be1 Mon Sep 17 00:00:00 2001
- From: Andrew Lunn <[email protected]>
- Date: Mon, 17 Apr 2023 17:17:30 +0200
- Subject: [PATCH 8/9] net: phy: phy_device: Call into the PHY driver to set LED
- blinking
- Linux LEDs can be requested to perform hardware accelerated
- blinking. Pass this to the PHY driver, if it implements the op.
- Signed-off-by: Andrew Lunn <[email protected]>
- Signed-off-by: Christian Marangi <[email protected]>
- Reviewed-by: Florian Fainelli <[email protected]>
- Signed-off-by: David S. Miller <[email protected]>
- ---
- drivers/net/phy/phy_device.c | 18 ++++++++++++++++++
- include/linux/phy.h | 12 ++++++++++++
- 2 files changed, 30 insertions(+)
- --- a/drivers/net/phy/phy_device.c
- +++ b/drivers/net/phy/phy_device.c
- @@ -2948,6 +2948,22 @@ static int phy_led_set_brightness(struct
- return err;
- }
-
- +static int phy_led_blink_set(struct led_classdev *led_cdev,
- + unsigned long *delay_on,
- + unsigned long *delay_off)
- +{
- + struct phy_led *phyled = to_phy_led(led_cdev);
- + struct phy_device *phydev = phyled->phydev;
- + int err;
- +
- + mutex_lock(&phydev->lock);
- + err = phydev->drv->led_blink_set(phydev, phyled->index,
- + delay_on, delay_off);
- + mutex_unlock(&phydev->lock);
- +
- + return err;
- +}
- +
- static int of_phy_led(struct phy_device *phydev,
- struct device_node *led)
- {
- @@ -2970,6 +2986,8 @@ static int of_phy_led(struct phy_device
-
- if (phydev->drv->led_brightness_set)
- cdev->brightness_set_blocking = phy_led_set_brightness;
- + if (phydev->drv->led_blink_set)
- + cdev->blink_set = phy_led_blink_set;
- cdev->max_brightness = 1;
- init_data.devicename = dev_name(&phydev->mdio.dev);
- init_data.fwnode = of_fwnode_handle(led);
- --- a/include/linux/phy.h
- +++ b/include/linux/phy.h
- @@ -1001,6 +1001,18 @@ struct phy_driver {
- */
- int (*led_brightness_set)(struct phy_device *dev,
- u8 index, enum led_brightness value);
- +
- + /**
- + * @led_blink_set: Set a PHY LED brightness. Index indicates
- + * which of the PHYs led should be configured to blink. Delays
- + * are in milliseconds and if both are zero then a sensible
- + * default should be chosen. The call should adjust the
- + * timings in that case and if it can't match the values
- + * specified exactly.
- + */
- + int (*led_blink_set)(struct phy_device *dev, u8 index,
- + unsigned long *delay_on,
- + unsigned long *delay_off);
- };
- #define to_phy_driver(d) container_of(to_mdio_common_driver(d), \
- struct phy_driver, mdiodrv)
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