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71 lines
2.3 KiB
Diff
71 lines
2.3 KiB
Diff
From 4f53c27f772e27e4cf4e5507d6f4d5980002cb6a Mon Sep 17 00:00:00 2001
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From: Andrew Lunn <andrew@lunn.ch>
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Date: Mon, 29 May 2023 18:32:43 +0200
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Subject: [PATCH 13/13] net: dsa: qca8k: add op to get ports netdev
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In order that the LED trigger can blink the switch MAC ports LED, it
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needs to know the netdev associated to the port. Add the callback to
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return the struct device of the netdev.
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Add an helper function qca8k_phy_to_port() to convert the phy back to
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dsa_port index, as we reference LED port based on the internal PHY
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index and needs to be converted back.
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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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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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drivers/net/dsa/qca/qca8k-leds.c | 27 +++++++++++++++++++++++++++
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1 file changed, 27 insertions(+)
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--- a/drivers/net/dsa/qca/qca8k-leds.c
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+++ b/drivers/net/dsa/qca/qca8k-leds.c
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@@ -5,6 +5,18 @@
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#include "qca8k.h"
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#include "qca8k_leds.h"
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+static u32 qca8k_phy_to_port(int phy)
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+{
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+ /* Internal PHY 0 has port at index 1.
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+ * Internal PHY 1 has port at index 2.
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+ * Internal PHY 2 has port at index 3.
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+ * Internal PHY 3 has port at index 4.
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+ * Internal PHY 4 has port at index 5.
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+ */
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+
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+ return phy + 1;
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+}
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+
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static int
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qca8k_get_enable_led_reg(int port_num, int led_num, struct qca8k_led_pattern_en *reg_info)
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{
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@@ -314,6 +326,20 @@ qca8k_cled_hw_control_get(struct led_cla
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return 0;
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}
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+static struct device *qca8k_cled_hw_control_get_device(struct led_classdev *ldev)
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+{
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+ struct qca8k_led *led = container_of(ldev, struct qca8k_led, cdev);
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+ struct qca8k_priv *priv = led->priv;
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+ struct dsa_port *dp;
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+
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+ dp = dsa_to_port(priv->ds, qca8k_phy_to_port(led->port_num));
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+ if (!dp)
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+ return NULL;
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+ if (dp->slave)
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+ return &dp->slave->dev;
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+ return NULL;
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+}
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+
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static int
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qca8k_parse_port_leds(struct qca8k_priv *priv, struct fwnode_handle *port, int port_num)
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{
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@@ -377,6 +403,7 @@ qca8k_parse_port_leds(struct qca8k_priv
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port_led->cdev.hw_control_is_supported = qca8k_cled_hw_control_is_supported;
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port_led->cdev.hw_control_set = qca8k_cled_hw_control_set;
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port_led->cdev.hw_control_get = qca8k_cled_hw_control_get;
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+ port_led->cdev.hw_control_get_device = qca8k_cled_hw_control_get_device;
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port_led->cdev.hw_control_trigger = "netdev";
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init_data.default_label = ":port";
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init_data.fwnode = led;
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