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-rw-r--r--drivers/leds/led-class.c6
-rw-r--r--drivers/leds/led-triggers.c49
-rw-r--r--drivers/net/niu.c22
3 files changed, 46 insertions, 31 deletions
diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c
index 4211293ce86..ba8b04b03b9 100644
--- a/drivers/leds/led-class.c
+++ b/drivers/leds/led-class.c
@@ -111,7 +111,7 @@ int led_classdev_register(struct device *parent, struct led_classdev *led_cdev)
write_unlock(&leds_list_lock);
#ifdef CONFIG_LEDS_TRIGGERS
- rwlock_init(&led_cdev->trigger_lock);
+ init_rwsem(&led_cdev->trigger_lock);
rc = device_create_file(led_cdev->dev, &dev_attr_trigger);
if (rc)
@@ -147,10 +147,10 @@ void led_classdev_unregister(struct led_classdev *led_cdev)
device_remove_file(led_cdev->dev, &dev_attr_brightness);
#ifdef CONFIG_LEDS_TRIGGERS
device_remove_file(led_cdev->dev, &dev_attr_trigger);
- write_lock(&led_cdev->trigger_lock);
+ down_write(&led_cdev->trigger_lock);
if (led_cdev->trigger)
led_trigger_set(led_cdev, NULL);
- write_unlock(&led_cdev->trigger_lock);
+ up_write(&led_cdev->trigger_lock);
#endif
device_unregister(led_cdev->dev);
diff --git a/drivers/leds/led-triggers.c b/drivers/leds/led-triggers.c
index 575368c2b10..0bdb786210b 100644
--- a/drivers/leds/led-triggers.c
+++ b/drivers/leds/led-triggers.c
@@ -19,13 +19,14 @@
#include <linux/device.h>
#include <linux/sysdev.h>
#include <linux/timer.h>
+#include <linux/rwsem.h>
#include <linux/leds.h>
#include "leds.h"
/*
* Nests outside led_cdev->trigger_lock
*/
-static DEFINE_RWLOCK(triggers_list_lock);
+static DECLARE_RWSEM(triggers_list_lock);
static LIST_HEAD(trigger_list);
ssize_t led_trigger_store(struct device *dev, struct device_attribute *attr,
@@ -44,24 +45,24 @@ ssize_t led_trigger_store(struct device *dev, struct device_attribute *attr,
trigger_name[len - 1] = '\0';
if (!strcmp(trigger_name, "none")) {
- write_lock(&led_cdev->trigger_lock);
+ down_write(&led_cdev->trigger_lock);
led_trigger_set(led_cdev, NULL);
- write_unlock(&led_cdev->trigger_lock);
+ up_write(&led_cdev->trigger_lock);
return count;
}
- read_lock(&triggers_list_lock);
+ down_read(&triggers_list_lock);
list_for_each_entry(trig, &trigger_list, next_trig) {
if (!strcmp(trigger_name, trig->name)) {
- write_lock(&led_cdev->trigger_lock);
+ down_write(&led_cdev->trigger_lock);
led_trigger_set(led_cdev, trig);
- write_unlock(&led_cdev->trigger_lock);
+ up_write(&led_cdev->trigger_lock);
- read_unlock(&triggers_list_lock);
+ up_read(&triggers_list_lock);
return count;
}
}
- read_unlock(&triggers_list_lock);
+ up_read(&triggers_list_lock);
return -EINVAL;
}
@@ -74,8 +75,8 @@ ssize_t led_trigger_show(struct device *dev, struct device_attribute *attr,
struct led_trigger *trig;
int len = 0;
- read_lock(&triggers_list_lock);
- read_lock(&led_cdev->trigger_lock);
+ down_read(&triggers_list_lock);
+ down_read(&led_cdev->trigger_lock);
if (!led_cdev->trigger)
len += sprintf(buf+len, "[none] ");
@@ -89,8 +90,8 @@ ssize_t led_trigger_show(struct device *dev, struct device_attribute *attr,
else
len += sprintf(buf+len, "%s ", trig->name);
}
- read_unlock(&led_cdev->trigger_lock);
- read_unlock(&triggers_list_lock);
+ up_read(&led_cdev->trigger_lock);
+ up_read(&triggers_list_lock);
len += sprintf(len+buf, "\n");
return len;
@@ -145,14 +146,14 @@ void led_trigger_set_default(struct led_classdev *led_cdev)
if (!led_cdev->default_trigger)
return;
- read_lock(&triggers_list_lock);
- write_lock(&led_cdev->trigger_lock);
+ down_read(&triggers_list_lock);
+ down_write(&led_cdev->trigger_lock);
list_for_each_entry(trig, &trigger_list, next_trig) {
if (!strcmp(led_cdev->default_trigger, trig->name))
led_trigger_set(led_cdev, trig);
}
- write_unlock(&led_cdev->trigger_lock);
- read_unlock(&triggers_list_lock);
+ up_write(&led_cdev->trigger_lock);
+ up_read(&triggers_list_lock);
}
int led_trigger_register(struct led_trigger *trigger)
@@ -163,18 +164,18 @@ int led_trigger_register(struct led_trigger *trigger)
INIT_LIST_HEAD(&trigger->led_cdevs);
/* Add to the list of led triggers */
- write_lock(&triggers_list_lock);
+ down_write(&triggers_list_lock);
list_add_tail(&trigger->next_trig, &trigger_list);
- write_unlock(&triggers_list_lock);
+ up_write(&triggers_list_lock);
/* Register with any LEDs that have this as a default trigger */
read_lock(&leds_list_lock);
list_for_each_entry(led_cdev, &leds_list, node) {
- write_lock(&led_cdev->trigger_lock);
+ down_write(&led_cdev->trigger_lock);
if (!led_cdev->trigger && led_cdev->default_trigger &&
!strcmp(led_cdev->default_trigger, trigger->name))
led_trigger_set(led_cdev, trigger);
- write_unlock(&led_cdev->trigger_lock);
+ up_write(&led_cdev->trigger_lock);
}
read_unlock(&leds_list_lock);
@@ -206,17 +207,17 @@ void led_trigger_unregister(struct led_trigger *trigger)
struct led_classdev *led_cdev;
/* Remove from the list of led triggers */
- write_lock(&triggers_list_lock);
+ down_write(&triggers_list_lock);
list_del(&trigger->next_trig);
- write_unlock(&triggers_list_lock);
+ up_write(&triggers_list_lock);
/* Remove anyone actively using this trigger */
read_lock(&leds_list_lock);
list_for_each_entry(led_cdev, &leds_list, node) {
- write_lock(&led_cdev->trigger_lock);
+ down_write(&led_cdev->trigger_lock);
if (led_cdev->trigger == trigger)
led_trigger_set(led_cdev, NULL);
- write_unlock(&led_cdev->trigger_lock);
+ up_write(&led_cdev->trigger_lock);
}
read_unlock(&leds_list_lock);
}
diff --git a/drivers/net/niu.c b/drivers/net/niu.c
index 112ab079ce7..abfc61c3a38 100644
--- a/drivers/net/niu.c
+++ b/drivers/net/niu.c
@@ -1045,6 +1045,7 @@ static int niu_serdes_init(struct niu *np)
}
static void niu_init_xif(struct niu *);
+static void niu_handle_led(struct niu *, int status);
static int niu_link_status_common(struct niu *np, int link_up)
{
@@ -1066,11 +1067,15 @@ static int niu_link_status_common(struct niu *np, int link_up)
spin_lock_irqsave(&np->lock, flags);
niu_init_xif(np);
+ niu_handle_led(np, 1);
spin_unlock_irqrestore(&np->lock, flags);
netif_carrier_on(dev);
} else if (netif_carrier_ok(dev) && !link_up) {
niuwarn(LINK, "%s: Link is down\n", dev->name);
+ spin_lock_irqsave(&np->lock, flags);
+ niu_handle_led(np, 0);
+ spin_unlock_irqrestore(&np->lock, flags);
netif_carrier_off(dev);
}
@@ -3915,16 +3920,14 @@ static int niu_init_ipp(struct niu *np)
return 0;
}
-static void niu_init_xif_xmac(struct niu *np)
+static void niu_handle_led(struct niu *np, int status)
{
- struct niu_link_config *lp = &np->link_config;
u64 val;
-
val = nr64_mac(XMAC_CONFIG);
if ((np->flags & NIU_FLAGS_10G) != 0 &&
(np->flags & NIU_FLAGS_FIBER) != 0) {
- if (netif_carrier_ok(np->dev)) {
+ if (status) {
val |= XMAC_CONFIG_LED_POLARITY;
val &= ~XMAC_CONFIG_FORCE_LED_ON;
} else {
@@ -3933,6 +3936,15 @@ static void niu_init_xif_xmac(struct niu *np)
}
}
+ nw64_mac(XMAC_CONFIG, val);
+}
+
+static void niu_init_xif_xmac(struct niu *np)
+{
+ struct niu_link_config *lp = &np->link_config;
+ u64 val;
+
+ val = nr64_mac(XMAC_CONFIG);
val &= ~XMAC_CONFIG_SEL_POR_CLK_SRC;
val |= XMAC_CONFIG_TX_OUTPUT_EN;
@@ -4776,6 +4788,8 @@ static int niu_close(struct net_device *dev)
niu_free_channels(np);
+ niu_handle_led(np, 0);
+
return 0;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-02-10 07:37:20 +0000