netdev - [RFC PATCH v6 05/11] leds: trigger: netdev: convert device attr to macro

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Date:   Tue,  3 May 2022 17:16:27 +0200
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>,
        Paolo Abeni <pabeni@...hat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk+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
Subject: [RFC PATCH v6 05/11] leds: trigger: netdev: convert device attr to macro

Convert link tx and rx device attr to a common macro to reduce common
code and in preparation for additional attr.

Signed-off-by: Ansuel Smith <ansuelsmth@...il.com>
---
 drivers/leds/trigger/ledtrig-netdev.c | 57 ++++++++-------------------
 1 file changed, 16 insertions(+), 41 deletions(-)

diff --git a/drivers/leds/trigger/ledtrig-netdev.c b/drivers/leds/trigger/ledtrig-netdev.c
index 6872da08676b..dd63cadb896e 100644
--- a/drivers/leds/trigger/ledtrig-netdev.c
+++ b/drivers/leds/trigger/ledtrig-netdev.c
@@ -189,47 +189,22 @@ static ssize_t netdev_led_attr_store(struct device *dev, const char *buf,
 	return size;
 }
 
-static ssize_t link_show(struct device *dev,
-	struct device_attribute *attr, char *buf)
-{
-	return netdev_led_attr_show(dev, buf, NETDEV_ATTR_LINK);
-}
-
-static ssize_t link_store(struct device *dev,
-	struct device_attribute *attr, const char *buf, size_t size)
-{
-	return netdev_led_attr_store(dev, buf, size, NETDEV_ATTR_LINK);
-}
-
-static DEVICE_ATTR_RW(link);
-
-static ssize_t tx_show(struct device *dev,
-	struct device_attribute *attr, char *buf)
-{
-	return netdev_led_attr_show(dev, buf, NETDEV_ATTR_TX);
-}
-
-static ssize_t tx_store(struct device *dev,
-	struct device_attribute *attr, const char *buf, size_t size)
-{
-	return netdev_led_attr_store(dev, buf, size, NETDEV_ATTR_TX);
-}
-
-static DEVICE_ATTR_RW(tx);
-
-static ssize_t rx_show(struct device *dev,
-	struct device_attribute *attr, char *buf)
-{
-	return netdev_led_attr_show(dev, buf, NETDEV_ATTR_RX);
-}
-
-static ssize_t rx_store(struct device *dev,
-	struct device_attribute *attr, const char *buf, size_t size)
-{
-	return netdev_led_attr_store(dev, buf, size, NETDEV_ATTR_RX);
-}
-
-static DEVICE_ATTR_RW(rx);
+#define DEFINE_NETDEV_TRIGGER(trigger_name, trigger) \
+	static ssize_t trigger_name##_show(struct device *dev, \
+		struct device_attribute *attr, char *buf) \
+	{ \
+		return netdev_led_attr_show(dev, buf, trigger); \
+	} \
+	static ssize_t trigger_name##_store(struct device *dev, \
+		struct device_attribute *attr, const char *buf, size_t size) \
+	{ \
+		return netdev_led_attr_store(dev, buf, size, trigger); \
+	} \
+	static DEVICE_ATTR_RW(trigger_name)
+
+DEFINE_NETDEV_TRIGGER(link, TRIGGER_NETDEV_LINK);
+DEFINE_NETDEV_TRIGGER(tx, TRIGGER_NETDEV_TX);
+DEFINE_NETDEV_TRIGGER(rx, TRIGGER_NETDEV_RX);
 
 static ssize_t interval_show(struct device *dev,
 			     struct device_attribute *attr, char *buf)
-- 
2.34.1