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path: root/drivers/usb/core/ledtrig-usbport.c
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Diffstat (limited to 'drivers/usb/core/ledtrig-usbport.c')
-rw-r--r--drivers/usb/core/ledtrig-usbport.c22
1 files changed, 6 insertions, 16 deletions
diff --git a/drivers/usb/core/ledtrig-usbport.c b/drivers/usb/core/ledtrig-usbport.c
index c12ac56606c3..5e3c515991f3 100644
--- a/drivers/usb/core/ledtrig-usbport.c
+++ b/drivers/usb/core/ledtrig-usbport.c
@@ -10,6 +10,7 @@
#include <linux/module.h>
#include <linux/of.h>
#include <linux/slab.h>
+#include <linux/sysfs.h>
#include <linux/usb.h>
#include <linux/usb/of.h>
@@ -34,7 +35,7 @@ struct usbport_trig_port {
* Helpers
***************************************/
-/**
+/*
* usbport_trig_usb_dev_observed - Check if dev is connected to observed port
*/
static bool usbport_trig_usb_dev_observed(struct usbport_trig_data *usbport_data,
@@ -64,7 +65,7 @@ static int usbport_trig_usb_dev_check(struct usb_device *usb_dev, void *data)
return 0;
}
-/**
+/*
* usbport_trig_update_count - Recalculate amount of connected matching devices
*/
static void usbport_trig_update_count(struct usbport_trig_data *usbport_data)
@@ -87,7 +88,7 @@ static ssize_t usbport_trig_port_show(struct device *dev,
struct usbport_trig_port,
attr);
- return sprintf(buf, "%d\n", port->observed) + 1;
+ return sysfs_emit(buf, "%d\n", port->observed) + 1;
}
static ssize_t usbport_trig_port_store(struct device *dev,
@@ -123,7 +124,7 @@ static const struct attribute_group ports_group = {
* Adding & removing ports
***************************************/
-/**
+/*
* usbport_trig_port_observed - Check if port should be observed
*/
static bool usbport_trig_port_observed(struct usbport_trig_data *usbport_data,
@@ -350,18 +351,7 @@ static struct led_trigger usbport_led_trigger = {
.deactivate = usbport_trig_deactivate,
};
-static int __init usbport_trig_init(void)
-{
- return led_trigger_register(&usbport_led_trigger);
-}
-
-static void __exit usbport_trig_exit(void)
-{
- led_trigger_unregister(&usbport_led_trigger);
-}
-
-module_init(usbport_trig_init);
-module_exit(usbport_trig_exit);
+module_led_trigger(usbport_led_trigger);
MODULE_AUTHOR("Rafał Miłecki <rafal@milecki.pl>");
MODULE_DESCRIPTION("USB port trigger");