[PATCH v7 05/11] leds: trigger: netdev: convert device attr to macro

Christian Marangi
2022-12-14T23:59:48Z

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

Signed-off-by: Christian Marangi <ansuelsmth@gmail.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)
--
2.37.2