mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-09 16:09:42 +02:00
60 lines
1.5 KiB
Diff
60 lines
1.5 KiB
Diff
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--- a/drivers/net/wireless/ath/ath9k/hw.c
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+++ b/drivers/net/wireless/ath/ath9k/hw.c
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@@ -1911,6 +1911,34 @@ static void ath9k_enable_rfkill(struct a
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REG_SET_BIT(ah, AR_PHY_TEST, RFSILENT_BB);
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}
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+bool ath9k_hw_check_alive(struct ath_hw *ah)
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+{
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+ int count = 50;
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+ u32 reg;
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+
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+ if (AR_SREV_9285_10_OR_LATER(ah))
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+ return true;
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+
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+ do {
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+ reg = REG_READ(ah, AR_OBS_BUS_1);
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+
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+ if ((reg & 0x7E7FFFEF) != 0x00702400)
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+ return true;
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+
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+ switch (reg & 0x7E000B00) {
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+ case 0x1E000000:
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+ case 0x52000B00:
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+ case 0x18000B00:
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+ continue;
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+ default:
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+ return true;
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+ }
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+ } while (count-- > 0);
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+
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+ return false;
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+}
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+EXPORT_SYMBOL(ath9k_hw_check_alive);
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+
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int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
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bool bChannelChange)
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{
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--- a/drivers/net/wireless/ath/ath9k/hw.h
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+++ b/drivers/net/wireless/ath/ath9k/hw.h
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@@ -679,6 +679,7 @@ void ath9k_hw_set11nmac2040(struct ath_h
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void ath9k_hw_beaconinit(struct ath_hw *ah, u32 next_beacon, u32 beacon_period);
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void ath9k_hw_set_sta_beacon_timers(struct ath_hw *ah,
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const struct ath9k_beacon_state *bs);
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+bool ath9k_hw_check_alive(struct ath_hw *ah);
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bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode);
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--- a/drivers/net/wireless/ath/ath9k/main.c
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+++ b/drivers/net/wireless/ath/ath9k/main.c
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@@ -405,7 +405,8 @@ void ath9k_tasklet(unsigned long data)
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ath9k_ps_wakeup(sc);
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- if (status & ATH9K_INT_FATAL) {
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+ if ((status & ATH9K_INT_FATAL) ||
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+ !ath9k_hw_check_alive(ah)) {
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ath_reset(sc, false);
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ath9k_ps_restore(sc);
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return;
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