59 lines
1.5 KiB
Diff
59 lines
1.5 KiB
Diff
--- a/drivers/net/wireless/ath/ath9k/hw.c
|
|
+++ b/drivers/net/wireless/ath/ath9k/hw.c
|
|
@@ -1134,6 +1134,34 @@ static bool ath9k_hw_channel_change(stru
|
|
return true;
|
|
}
|
|
|
|
+bool ath9k_hw_check_alive(struct ath_hw *ah)
|
|
+{
|
|
+ int count = 50;
|
|
+ u32 reg;
|
|
+
|
|
+ if (AR_SREV_9285_10_OR_LATER(ah))
|
|
+ return true;
|
|
+
|
|
+ do {
|
|
+ reg = REG_READ(ah, AR_OBS_BUS_1);
|
|
+
|
|
+ if ((reg & 0x7E7FFFEF) != 0x00702400)
|
|
+ return true;
|
|
+
|
|
+ switch (reg & 0x7E000B00) {
|
|
+ case 0x1E000000:
|
|
+ case 0x52000B00:
|
|
+ case 0x18000B00:
|
|
+ continue;
|
|
+ default:
|
|
+ return true;
|
|
+ }
|
|
+ } while (count-- > 0);
|
|
+
|
|
+ return false;
|
|
+}
|
|
+EXPORT_SYMBOL(ath9k_hw_check_alive);
|
|
+
|
|
int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
|
|
bool bChannelChange)
|
|
{
|
|
--- a/drivers/net/wireless/ath/ath9k/hw.h
|
|
+++ b/drivers/net/wireless/ath/ath9k/hw.h
|
|
@@ -848,6 +848,7 @@ void ath9k_hw_set11nmac2040(struct ath_h
|
|
void ath9k_hw_beaconinit(struct ath_hw *ah, u32 next_beacon, u32 beacon_period);
|
|
void ath9k_hw_set_sta_beacon_timers(struct ath_hw *ah,
|
|
const struct ath9k_beacon_state *bs);
|
|
+bool ath9k_hw_check_alive(struct ath_hw *ah);
|
|
|
|
bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode);
|
|
|
|
--- a/drivers/net/wireless/ath/ath9k/main.c
|
|
+++ b/drivers/net/wireless/ath/ath9k/main.c
|
|
@@ -406,7 +406,8 @@ void ath9k_tasklet(unsigned long data)
|
|
|
|
ath9k_ps_wakeup(sc);
|
|
|
|
- if (status & ATH9K_INT_FATAL) {
|
|
+ if ((status & ATH9K_INT_FATAL) ||
|
|
+ !ath9k_hw_check_alive(ah)) {
|
|
ath_reset(sc, false);
|
|
ath9k_ps_restore(sc);
|
|
return;
|