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author | Sujith Manoharan <c_manoha@qca.qualcomm.com> | 2015-02-02 18:21:12 +0530 |
---|---|---|
committer | Kalle Valo <kvalo@codeaurora.org> | 2015-02-06 08:39:37 +0200 |
commit | 23ee7c33aa7caae5985a919e597ba2e355d540ea (patch) | |
tree | a17e78bdd62d3adbf6c9ef63c26f73605a55b560 | |
parent | b6f68b1ecbffc0aec1704c731c3b99acbe3becfd (diff) | |
download | linux-stable-23ee7c33aa7caae5985a919e597ba2e355d540ea.tar.gz linux-stable-23ee7c33aa7caae5985a919e597ba2e355d540ea.tar.bz2 linux-stable-23ee7c33aa7caae5985a919e597ba2e355d540ea.zip |
ath9k: Clear TSF2 properly
Chips in the AR9003 family have a second TSF, which
needs to be cleared when putting the card to
sleep.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
-rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9003_wow.c | 9 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath9k/reg.h | 2 |
2 files changed, 11 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_wow.c b/drivers/net/wireless/ath/ath9k/ar9003_wow.c index cf45b91f0a60..2dc50a0eedc4 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_wow.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_wow.c @@ -35,6 +35,15 @@ static void ath9k_hw_set_powermode_wow_sleep(struct ath_hw *ah) return; } + if (AR_SREV_9462(ah) || AR_SREV_9565(ah)) { + if (!REG_READ(ah, AR_MAC_PCU_GEN_TIMER_TSF_SEL)) + REG_CLR_BIT(ah, AR_DIRECT_CONNECT, AR_DC_TSF2_ENABLE); + } else if (AR_SREV_9485(ah)){ + if (!(REG_READ(ah, AR_NDP2_TIMER_MODE) & + AR_GEN_TIMERS2_MODE_ENABLE_MASK)) + REG_CLR_BIT(ah, AR_DIRECT_CONNECT, AR_DC_TSF2_ENABLE); + } + REG_WRITE(ah, AR_RTC_FORCE_WAKE, AR_RTC_FORCE_WAKE_ON_INT); } diff --git a/drivers/net/wireless/ath/ath9k/reg.h b/drivers/net/wireless/ath/ath9k/reg.h index b1b803d05926..9587ec655680 100644 --- a/drivers/net/wireless/ath/ath9k/reg.h +++ b/drivers/net/wireless/ath/ath9k/reg.h @@ -1883,6 +1883,7 @@ enum { #define AR_FIRST_NDP_TIMER 7 #define AR_NDP2_PERIOD 0x81a0 #define AR_NDP2_TIMER_MODE 0x81c0 +#define AR_GEN_TIMERS2_MODE_ENABLE_MASK 0x000000FF #define AR_GEN_TIMERS(_i) (0x8200 + ((_i) << 2)) #define AR_NEXT_TBTT_TIMER AR_GEN_TIMERS(0) @@ -1978,6 +1979,7 @@ enum { #define AR_DIRECT_CONNECT 0x83a0 #define AR_DC_AP_STA_EN 0x00000001 +#define AR_DC_TSF2_ENABLE 0x00000001 #define AR_AES_MUTE_MASK0 0x805c #define AR_AES_MUTE_MASK0_FC 0x0000FFFF |