linux-kernel - [RFC PATCH v3 4/8] leds: trigger: netdev: rename and expose NETDEV trigger enum modes

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Message-Id: <20211109022608.11109-5-ansuelsmth@gmail.com>
Date:   Tue,  9 Nov 2021 03:26:04 +0100
From:   Ansuel Smith <ansuelsmth@...il.com>
To:     Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Jonathan Corbet <corbet@....net>, Pavel Machek <pavel@....cz>,
        Ansuel Smith <ansuelsmth@...il.com>,
        John Crispin <john@...ozen.org>, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-leds@...r.kernel.org,
        Marek Behún <kabel@...nel.org>
Subject: [RFC PATCH v3 4/8] leds: trigger: netdev: rename and expose NETDEV trigger enum modes

Rename NETDEV trigger enum modes to a more simbolic name and move them
in leds.h to make them accessible by any user.

Signed-off-by: Ansuel Smith <ansuelsmth@...il.com>
---
 drivers/leds/trigger/ledtrig-netdev.c | 31 ++++++++++++---------------
 include/linux/leds.h                  |  7 ++++++
 2 files changed, 21 insertions(+), 17 deletions(-)

diff --git a/drivers/leds/trigger/ledtrig-netdev.c b/drivers/leds/trigger/ledtrig-netdev.c
index 66a81cc9b64d..0a3c0b54dbb9 100644
--- a/drivers/leds/trigger/ledtrig-netdev.c
+++ b/drivers/leds/trigger/ledtrig-netdev.c
@@ -51,9 +51,6 @@ struct led_netdev_data {
 
 	unsigned long mode;
 	bool carrier_link_up;
-#define NETDEV_LED_LINK	0
-#define NETDEV_LED_TX	1
-#define NETDEV_LED_RX	2
 };
 
 enum netdev_led_attr {
@@ -76,7 +73,7 @@ static void set_baseline_state(struct led_netdev_data *trigger_data)
 	if (!trigger_data->carrier_link_up) {
 		led_set_brightness(led_cdev, LED_OFF);
 	} else {
-		if (test_bit(NETDEV_LED_LINK, &trigger_data->mode))
+		if (test_bit(TRIGGER_NETDEV_LINK, &trigger_data->mode))
 			led_set_brightness(led_cdev,
 					   led_cdev->blink_brightness);
 		else
@@ -85,8 +82,8 @@ static void set_baseline_state(struct led_netdev_data *trigger_data)
 		/* If we are looking for RX/TX start periodically
 		 * checking stats
 		 */
-		if (test_bit(NETDEV_LED_TX, &trigger_data->mode) ||
-		    test_bit(NETDEV_LED_RX, &trigger_data->mode))
+		if (test_bit(TRIGGER_NETDEV_TX, &trigger_data->mode) ||
+		    test_bit(TRIGGER_NETDEV_RX, &trigger_data->mode))
 			schedule_delayed_work(&trigger_data->work, 0);
 	}
 }
@@ -153,13 +150,13 @@ static ssize_t netdev_led_attr_show(struct device *dev, char *buf,
 
 	switch (attr) {
 	case NETDEV_ATTR_LINK:
-		bit = NETDEV_LED_LINK;
+		bit = TRIGGER_NETDEV_LINK;
 		break;
 	case NETDEV_ATTR_TX:
-		bit = NETDEV_LED_TX;
+		bit = TRIGGER_NETDEV_TX;
 		break;
 	case NETDEV_ATTR_RX:
-		bit = NETDEV_LED_RX;
+		bit = TRIGGER_NETDEV_RX;
 		break;
 	default:
 		return -EINVAL;
@@ -182,13 +179,13 @@ static ssize_t netdev_led_attr_store(struct device *dev, const char *buf,
 
 	switch (attr) {
 	case NETDEV_ATTR_LINK:
-		bit = NETDEV_LED_LINK;
+		bit = TRIGGER_NETDEV_LINK;
 		break;
 	case NETDEV_ATTR_TX:
-		bit = NETDEV_LED_TX;
+		bit = TRIGGER_NETDEV_TX;
 		break;
 	case NETDEV_ATTR_RX:
-		bit = NETDEV_LED_RX;
+		bit = TRIGGER_NETDEV_RX;
 		break;
 	default:
 		return -EINVAL;
@@ -358,21 +355,21 @@ static void netdev_trig_work(struct work_struct *work)
 	}
 
 	/* If we are not looking for RX/TX then return  */
-	if (!test_bit(NETDEV_LED_TX, &trigger_data->mode) &&
-	    !test_bit(NETDEV_LED_RX, &trigger_data->mode))
+	if (!test_bit(TRIGGER_NETDEV_TX, &trigger_data->mode) &&
+	    !test_bit(TRIGGER_NETDEV_RX, &trigger_data->mode))
 		return;
 
 	dev_stats = dev_get_stats(trigger_data->net_dev, &temp);
 	new_activity =
-	    (test_bit(NETDEV_LED_TX, &trigger_data->mode) ?
+	    (test_bit(TRIGGER_NETDEV_TX, &trigger_data->mode) ?
 		dev_stats->tx_packets : 0) +
-	    (test_bit(NETDEV_LED_RX, &trigger_data->mode) ?
+	    (test_bit(TRIGGER_NETDEV_RX, &trigger_data->mode) ?
 		dev_stats->rx_packets : 0);
 
 	if (trigger_data->last_activity != new_activity) {
 		led_stop_software_blink(trigger_data->led_cdev);
 
-		invert = test_bit(NETDEV_LED_LINK, &trigger_data->mode);
+		invert = test_bit(TRIGGER_NETDEV_LINK, &trigger_data->mode);
 		interval = jiffies_to_msecs(
 				atomic_read(&trigger_data->interval));
 		/* base state is ON (link present) */
diff --git a/include/linux/leds.h b/include/linux/leds.h
index 00bc4d6ed7ca..087debe6716d 100644
--- a/include/linux/leds.h
+++ b/include/linux/leds.h
@@ -548,6 +548,13 @@ static inline void *led_get_trigger_data(struct led_classdev *led_cdev)
 
 #endif /* CONFIG_LEDS_TRIGGERS */
 
+/* Trigger specific enum */
+enum led_trigger_netdev_modes {
+	TRIGGER_NETDEV_LINK,
+	TRIGGER_NETDEV_TX,
+	TRIGGER_NETDEV_RX,
+};
+
 /* Trigger specific functions */
 #ifdef CONFIG_LEDS_TRIGGER_DISK
 void ledtrig_disk_activity(bool write);
-- 
2.32.0