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authorAndrew Lunn <andrew@lunn.ch>2023-04-17 17:17:30 +0200
committerDavid S. Miller <davem@davemloft.net>2023-04-19 12:59:16 +0100
commit4e901018432e38eab35d2a352661ce4727795be1 (patch)
tree8dc744ed912d15e346b076c635ff348870f13cb0
parent2d3960e58ef7c83fe1dbf952f056b9e906cb6df8 (diff)
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 <andrew@lunn.ch> Signed-off-by: Christian Marangi <ansuelsmth@gmail.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/phy/phy_device.c18
-rw-r--r--include/linux/phy.h12
2 files changed, 30 insertions, 0 deletions
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index 5c1200160c51..538523a7cd51 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 f3c7e3c99f24..c5a0dc829714 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -1085,6 +1085,18 @@ 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)