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mac80211: make LED trigger names available early

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The throughput trigger will require doing LED
classdev/trigger handling before register_hw(),
so drivers should have access to the trigger
names before it. If trigger registration fails,
this will still make the trigger name available,
but that's not a big problem since the default
trigger will the simply not be found.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2010-11-27 20:02:59 +01:00 committed by John W. Linville
parent 63e35cd9bd
commit fe67c913f1
3 changed files with 22 additions and 20 deletions
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36
net/mac80211/led.c
View File

@ -54,12 +54,22 @@ void ieee80211_led_radio(struct ieee80211_local *local, bool enabled)
led_trigger_event(local->radio_led, LED_OFF);
}
void ieee80211_led_names(struct ieee80211_local *local)
{
snprintf(local->rx_led_name, sizeof(local->rx_led_name),
"%srx", wiphy_name(local->hw.wiphy));
snprintf(local->tx_led_name, sizeof(local->tx_led_name),
"%stx", wiphy_name(local->hw.wiphy));
snprintf(local->assoc_led_name, sizeof(local->assoc_led_name),
"%sassoc", wiphy_name(local->hw.wiphy));
snprintf(local->radio_led_name, sizeof(local->radio_led_name),
"%sradio", wiphy_name(local->hw.wiphy));
}
void ieee80211_led_init(struct ieee80211_local *local)
{
local->rx_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
if (local->rx_led) {
snprintf(local->rx_led_name, sizeof(local->rx_led_name),
"%srx", wiphy_name(local->hw.wiphy));
local->rx_led->name = local->rx_led_name;
if (led_trigger_register(local->rx_led)) {
kfree(local->rx_led);
@ -69,8 +79,6 @@ void ieee80211_led_init(struct ieee80211_local *local)
local->tx_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
if (local->tx_led) {
snprintf(local->tx_led_name, sizeof(local->tx_led_name),
"%stx", wiphy_name(local->hw.wiphy));
local->tx_led->name = local->tx_led_name;
if (led_trigger_register(local->tx_led)) {
kfree(local->tx_led);
@ -80,8 +88,6 @@ void ieee80211_led_init(struct ieee80211_local *local)
local->assoc_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
if (local->assoc_led) {
snprintf(local->assoc_led_name, sizeof(local->assoc_led_name),
"%sassoc", wiphy_name(local->hw.wiphy));
local->assoc_led->name = local->assoc_led_name;
if (led_trigger_register(local->assoc_led)) {
kfree(local->assoc_led);
@ -91,8 +97,6 @@ void ieee80211_led_init(struct ieee80211_local *local)
local->radio_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
if (local->radio_led) {
snprintf(local->radio_led_name, sizeof(local->radio_led_name),
"%sradio", wiphy_name(local->hw.wiphy));
local->radio_led->name = local->radio_led_name;
if (led_trigger_register(local->radio_led)) {
kfree(local->radio_led);
@ -125,9 +129,7 @@ char *__ieee80211_get_radio_led_name(struct ieee80211_hw *hw)
{
struct ieee80211_local *local = hw_to_local(hw);
if (local->radio_led)
return local->radio_led_name;
return NULL;
return local->radio_led_name;
}
EXPORT_SYMBOL(__ieee80211_get_radio_led_name);
@ -135,9 +137,7 @@ char *__ieee80211_get_assoc_led_name(struct ieee80211_hw *hw)
{
struct ieee80211_local *local = hw_to_local(hw);
if (local->assoc_led)
return local->assoc_led_name;
return NULL;
return local->assoc_led_name;
}
EXPORT_SYMBOL(__ieee80211_get_assoc_led_name);
@ -145,9 +145,7 @@ char *__ieee80211_get_tx_led_name(struct ieee80211_hw *hw)
{
struct ieee80211_local *local = hw_to_local(hw);
if (local->tx_led)
return local->tx_led_name;
return NULL;
return local->tx_led_name;
}
EXPORT_SYMBOL(__ieee80211_get_tx_led_name);
@ -155,8 +153,6 @@ char *__ieee80211_get_rx_led_name(struct ieee80211_hw *hw)
{
struct ieee80211_local *local = hw_to_local(hw);
if (local->rx_led)
return local->rx_led_name;
return NULL;
return local->rx_led_name;
}
EXPORT_SYMBOL(__ieee80211_get_rx_led_name);

4
net/mac80211/led.h
View File

@ -18,6 +18,7 @@ extern void ieee80211_led_assoc(struct ieee80211_local *local,
bool associated);
extern void ieee80211_led_radio(struct ieee80211_local *local,
bool enabled);
extern void ieee80211_led_names(struct ieee80211_local *local);
extern void ieee80211_led_init(struct ieee80211_local *local);
extern void ieee80211_led_exit(struct ieee80211_local *local);
#else
@ -35,6 +36,9 @@ static inline void ieee80211_led_radio(struct ieee80211_local *local,
bool enabled)
{
}
static inline void ieee80211_led_names(struct ieee80211_local *local)
{
}
static inline void ieee80211_led_init(struct ieee80211_local *local)
{
}

2
net/mac80211/main.c
View File

@ -605,6 +605,8 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
/* init dummy netdev for use w/ NAPI */
init_dummy_netdev(&local->napi_dev);
ieee80211_led_names(local);
return local_to_hw(local);
}
EXPORT_SYMBOL(ieee80211_alloc_hw);