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74 lines
2.4 KiB
Diff
74 lines
2.4 KiB
Diff
From 4e901018432e38eab35d2a352661ce4727795be1 Mon Sep 17 00:00:00 2001
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From: Andrew Lunn <andrew@lunn.ch>
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Date: Mon, 17 Apr 2023 17:17:30 +0200
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Subject: [PATCH 8/9] net: phy: phy_device: Call into the PHY driver to set LED
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blinking
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Linux LEDs can be requested to perform hardware accelerated
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blinking. Pass this to the PHY driver, if it implements the op.
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Signed-off-by: Andrew Lunn <andrew@lunn.ch>
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Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
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Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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drivers/net/phy/phy_device.c | 18 ++++++++++++++++++
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include/linux/phy.h | 12 ++++++++++++
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2 files changed, 30 insertions(+)
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--- a/drivers/net/phy/phy_device.c
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+++ b/drivers/net/phy/phy_device.c
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@@ -2959,6 +2959,22 @@ static int phy_led_set_brightness(struct
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return err;
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}
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+static int phy_led_blink_set(struct led_classdev *led_cdev,
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+ unsigned long *delay_on,
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+ unsigned long *delay_off)
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+{
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+ struct phy_led *phyled = to_phy_led(led_cdev);
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+ struct phy_device *phydev = phyled->phydev;
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+ int err;
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+
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+ mutex_lock(&phydev->lock);
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+ err = phydev->drv->led_blink_set(phydev, phyled->index,
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+ delay_on, delay_off);
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+ mutex_unlock(&phydev->lock);
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+
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+ return err;
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+}
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+
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static int of_phy_led(struct phy_device *phydev,
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struct device_node *led)
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{
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@@ -2981,6 +2997,8 @@ static int of_phy_led(struct phy_device
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if (phydev->drv->led_brightness_set)
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cdev->brightness_set_blocking = phy_led_set_brightness;
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+ if (phydev->drv->led_blink_set)
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+ cdev->blink_set = phy_led_blink_set;
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cdev->max_brightness = 1;
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init_data.devicename = dev_name(&phydev->mdio.dev);
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init_data.fwnode = of_fwnode_handle(led);
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--- a/include/linux/phy.h
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+++ b/include/linux/phy.h
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@@ -991,6 +991,18 @@ struct phy_driver {
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*/
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int (*led_brightness_set)(struct phy_device *dev,
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u8 index, enum led_brightness value);
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+
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+ /**
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+ * @led_blink_set: Set a PHY LED brightness. Index indicates
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+ * which of the PHYs led should be configured to blink. Delays
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+ * are in milliseconds and if both are zero then a sensible
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+ * default should be chosen. The call should adjust the
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+ * timings in that case and if it can't match the values
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+ * specified exactly.
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+ */
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+ int (*led_blink_set)(struct phy_device *dev, u8 index,
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+ unsigned long *delay_on,
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+ unsigned long *delay_off);
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};
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#define to_phy_driver(d) container_of(to_mdio_common_driver(d), \
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struct phy_driver, mdiodrv)
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