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authorGabor Juhos <juhosg@openwrt.org>2009-06-21 00:02:14 +0200
committerJohn W. Linville <linville@tuxdriver.com>2009-07-24 15:05:26 -0400
commit1b7e528b2e39bfed37228eedaaf0665196d8ddc9 (patch)
treeb4479284f3cae14b87818733bd96948a2d9ade1f /drivers
parentda3c821f549419e09b4b64f07d99f52174daae6d (diff)
ath9k: wake up the chip for TSF reset
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/ath/ath9k/hw.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index b9d1a13ba16..98537698be2 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -3842,6 +3842,7 @@ void ath9k_hw_reset_tsf(struct ath_hw *ah)
{
int count;
+ ath9k_ps_wakeup(ah->ah_sc);
count = 0;
while (REG_READ(ah, AR_SLP32_MODE) & AR_SLP32_TSF_WRITE_STATUS) {
count++;
@@ -3853,6 +3854,7 @@ void ath9k_hw_reset_tsf(struct ath_hw *ah)
udelay(10);
}
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)