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34 lines
1.1 KiB
Diff
34 lines
1.1 KiB
Diff
From d2fa21debb4ea8c022b0fbed165eea821d19da9e Mon Sep 17 00:00:00 2001
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From: Gabor Juhos <juhosg@openwrt.org>
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Date: Sat, 20 Jun 2009 23:57:22 +0200
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Subject: [PATCH] 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
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always exceeds in 'ath9k_hw_reset_tsf', because reading of the
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AR_SLP3 register always return with the magic 0xdeadbeef value.
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Changes-licensed-under: ISC
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Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
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---
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drivers/net/wireless/ath/ath9k/hw.c | 2 ++
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1 files changed, 2 insertions(+), 0 deletions(-)
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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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@@ -3803,6 +3803,7 @@ void ath9k_hw_reset_tsf(struct ath_hw *a
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{
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int count;
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+ ath9k_ps_wakeup(ah->ah_sc);
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count = 0;
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while (REG_READ(ah, AR_SLP32_MODE) & AR_SLP32_TSF_WRITE_STATUS) {
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count++;
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@@ -3814,6 +3815,7 @@ void ath9k_hw_reset_tsf(struct ath_hw *a
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udelay(10);
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}
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REG_WRITE(ah, AR_RESET_TSF, AR_RESET_TSF_ONCE);
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+ ath9k_ps_restore(ah->ah_sc);
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}
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bool ath9k_hw_set_tsfadjust(struct ath_hw *ah, u32 setting)
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