ath9k: fix LED related crashes on AR913x

SVN-Revision: 28809
owl
Felix Fietkau 2011-11-07 20:14:09 +00:00
parent 476ca6d5d1
commit 0fb7c80659
1 changed files with 30 additions and 0 deletions

View File

@ -0,0 +1,30 @@
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1056,9 +1056,11 @@ static int ath9k_start(struct ieee80211_
goto mutex_unlock;
}
- ath9k_hw_cfg_output(ah, ah->led_pin,
- AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
- ath9k_hw_set_gpio(ah, ah->led_pin, 0);
+ if (ah->led_pin >= 0) {
+ ath9k_hw_cfg_output(ah, ah->led_pin,
+ AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
+ ath9k_hw_set_gpio(ah, ah->led_pin, 0);
+ }
/*
* Reset key cache to sane defaults (all entries cleared) instead of
@@ -1209,8 +1211,10 @@ static void ath9k_stop(struct ieee80211_
spin_lock_bh(&sc->sc_pcu_lock);
- ath9k_hw_set_gpio(ah, ah->led_pin, 1);
- ath9k_hw_cfg_gpio_input(ah, ah->led_pin);
+ if (ah->led_pin >= 0) {
+ ath9k_hw_set_gpio(ah, ah->led_pin, 1);
+ ath9k_hw_cfg_gpio_input(ah, ah->led_pin);
+ }
ath_prepare_reset(sc, false, true);