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ath9k: wake up the chip for TSF reset

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If we are in NETWORK SLEEP state, AR_SLP32_TSF_WRITE_STATUS limit
always exceeds in 'ath9k_hw_reset_tsf', because reading of the
AR_SLP3 register always return with the magic 0xdeadbeef value.

Changes-licensed-under: ISC
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Gabor Juhos 2009-06-21 00:02:14 +02:00 committed by John W. Linville
parent da3c821f54
commit 1b7e528b2e
1 changed files with 2 additions and 0 deletions
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2
drivers/net/wireless/ath/ath9k/hw.c
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@ -3842,6 +3842,7 @@ void ath9k_hw_reset_tsf(struct ath_hw *ah)
{ {
int count; int count;
ath9k_ps_wakeup(ah->ah_sc);
count = 0; count = 0;
while (REG_READ(ah, AR_SLP32_MODE) & AR_SLP32_TSF_WRITE_STATUS) { while (REG_READ(ah, AR_SLP32_MODE) & AR_SLP32_TSF_WRITE_STATUS) {
count++; count++;
@ -3853,6 +3854,7 @@ void ath9k_hw_reset_tsf(struct ath_hw *ah)
udelay(10); udelay(10);
} }
REG_WRITE(ah, AR_RESET_TSF, AR_RESET_TSF_ONCE); REG_WRITE(ah, AR_RESET_TSF, AR_RESET_TSF_ONCE);
ath9k_ps_restore(ah->ah_sc);
} }
bool ath9k_hw_set_tsfadjust(struct ath_hw *ah, u32 setting) bool ath9k_hw_set_tsfadjust(struct ath_hw *ah, u32 setting)