[net-next PATCH v5 08/15] net: phy: phy_device: Call into the PHY driver to set LED blinking
From: Christian Marangi <ansuelsmth@gmail.com>
Date: 2023-03-19 19:19:41
Also in:
linux-arm-kernel, linux-arm-msm, linux-leds, lkml, netdev
Subsystem:
ethernet phy library, networking drivers, the rest · Maintainers:
Andrew Lunn, Heiner Kallweit, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Andrew Lunn <andrew@lunn.ch> 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 <andrew@lunn.ch> Signed-off-by: Christian Marangi <ansuelsmth@gmail.com> --- drivers/net/phy/phy_device.c | 18 ++++++++++++++++++ include/linux/phy.h | 8 ++++++++ 2 files changed, 26 insertions(+)
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index 141d63ef3897..79a52dc3c50a 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c@@ -3005,6 +3005,22 @@ static int phy_led_set_brightness(struct led_classdev *led_cdev, 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) {
@@ -3027,6 +3043,8 @@ static int of_phy_led(struct phy_device *phydev, 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);
diff --git a/include/linux/phy.h b/include/linux/phy.h
index 2a5ee66b79b0..cad757d55ec9 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h@@ -1083,6 +1083,14 @@ struct phy_driver { */ int (*led_brightness_set)(struct phy_device *dev, u32 index, enum led_brightness value); + /* Activate hardware accelerated 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, u32 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)
--
2.39.2