diff options
Diffstat (limited to 'drivers/net/phy/phy_led_triggers.c')
-rw-r--r-- | drivers/net/phy/phy_led_triggers.c | 63 |
1 files changed, 50 insertions, 13 deletions
diff --git a/drivers/net/phy/phy_led_triggers.c b/drivers/net/phy/phy_led_triggers.c index 94ca42e630bb..39ecad25b201 100644 --- a/drivers/net/phy/phy_led_triggers.c +++ b/drivers/net/phy/phy_led_triggers.c @@ -27,12 +27,21 @@ static struct phy_led_trigger *phy_speed_to_led_trigger(struct phy_device *phy, return NULL; } +static void phy_led_trigger_no_link(struct phy_device *phy) +{ + if (phy->last_triggered) { + led_trigger_event(&phy->last_triggered->trigger, LED_OFF); + led_trigger_event(&phy->led_link_trigger->trigger, LED_OFF); + phy->last_triggered = NULL; + } +} + void phy_led_trigger_change_speed(struct phy_device *phy) { struct phy_led_trigger *plt; if (!phy->link) - goto out_change_speed; + return phy_led_trigger_no_link(phy); if (phy->speed == 0) return; @@ -42,25 +51,28 @@ void phy_led_trigger_change_speed(struct phy_device *phy) netdev_alert(phy->attached_dev, "No phy led trigger registered for speed(%d)\n", phy->speed); - goto out_change_speed; + return phy_led_trigger_no_link(phy); } if (plt != phy->last_triggered) { + if (!phy->last_triggered) + led_trigger_event(&phy->led_link_trigger->trigger, + LED_FULL); + led_trigger_event(&phy->last_triggered->trigger, LED_OFF); led_trigger_event(&plt->trigger, LED_FULL); phy->last_triggered = plt; } - return; - -out_change_speed: - if (phy->last_triggered) { - led_trigger_event(&phy->last_triggered->trigger, - LED_OFF); - phy->last_triggered = NULL; - } } EXPORT_SYMBOL_GPL(phy_led_trigger_change_speed); +static void phy_led_trigger_format_name(struct phy_device *phy, char *buf, + size_t size, char *suffix) +{ + snprintf(buf, size, PHY_ID_FMT ":%s", + phy->mdio.bus->id, phy->mdio.addr, suffix); +} + static int phy_led_trigger_register(struct phy_device *phy, struct phy_led_trigger *plt, unsigned int speed) @@ -77,8 +89,8 @@ static int phy_led_trigger_register(struct phy_device *phy, snprintf(name_suffix, sizeof(name_suffix), "%dGbps", DIV_ROUND_CLOSEST(speed, 1000)); - snprintf(plt->name, sizeof(plt->name), PHY_ID_FMT ":%s", - phy->mdio.bus->id, phy->mdio.addr, name_suffix); + phy_led_trigger_format_name(phy, plt->name, sizeof(plt->name), + name_suffix); plt->trigger.name = plt->name; return led_trigger_register(&plt->trigger); @@ -99,13 +111,30 @@ int phy_led_triggers_register(struct phy_device *phy) if (!phy->phy_num_led_triggers) return 0; + phy->led_link_trigger = devm_kzalloc(&phy->mdio.dev, + sizeof(*phy->led_link_trigger), + GFP_KERNEL); + if (!phy->led_link_trigger) { + err = -ENOMEM; + goto out_clear; + } + + phy_led_trigger_format_name(phy, phy->led_link_trigger->name, + sizeof(phy->led_link_trigger->name), + "link"); + phy->led_link_trigger->trigger.name = phy->led_link_trigger->name; + + err = led_trigger_register(&phy->led_link_trigger->trigger); + if (err) + goto out_free_link; + phy->phy_led_triggers = devm_kzalloc(&phy->mdio.dev, sizeof(struct phy_led_trigger) * phy->phy_num_led_triggers, GFP_KERNEL); if (!phy->phy_led_triggers) { err = -ENOMEM; - goto out_clear; + goto out_unreg_link; } for (i = 0; i < phy->phy_num_led_triggers; i++) { @@ -123,6 +152,11 @@ out_unreg: while (i--) phy_led_trigger_unregister(&phy->phy_led_triggers[i]); devm_kfree(&phy->mdio.dev, phy->phy_led_triggers); +out_unreg_link: + phy_led_trigger_unregister(phy->led_link_trigger); +out_free_link: + devm_kfree(&phy->mdio.dev, phy->led_link_trigger); + phy->led_link_trigger = NULL; out_clear: phy->phy_num_led_triggers = 0; return err; @@ -135,5 +169,8 @@ void phy_led_triggers_unregister(struct phy_device *phy) for (i = 0; i < phy->phy_num_led_triggers; i++) phy_led_trigger_unregister(&phy->phy_led_triggers[i]); + + if (phy->led_link_trigger) + phy_led_trigger_unregister(phy->led_link_trigger); } EXPORT_SYMBOL_GPL(phy_led_triggers_unregister); |