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From 9a0a0221024ddb4ddf0e33bb6fdbb3b02eaaf292 Mon Sep 17 00:00:00 2001
From: Gabor Juhos <juhosg@openwrt.org>
Date: Sat, 20 Jun 2009 23:57:23 +0200
Subject: [PATCH] ath9k: make use ath9k_hw_wait int ath9k_hw_reset_tsf

We have a dedicated function for this kind of checks, use that
instead of duplicating the code.

Changes-licensed-under: ISC
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
---
 drivers/net/wireless/ath/ath9k/hw.c |   17 +++++------------
 drivers/net/wireless/ath/ath9k/hw.h |    1 +
 2 files changed, 6 insertions(+), 12 deletions(-)

--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -3801,19 +3801,12 @@ void ath9k_hw_settsf64(struct ath_hw *ah
 
 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++;
-		if (count > 10) {
-			DPRINTF(ah->ah_sc, ATH_DBG_RESET,
-				"AR_SLP32_TSF_WRITE_STATUS limit exceeded\n");
-			break;
-		}
-		udelay(10);
-	}
+	if (!ath9k_hw_wait(ah, AR_SLP32_MODE, AR_SLP32_TSF_WRITE_STATUS, 0,
+			   AH_TSF_WRITE_TIMEOUT))
+		DPRINTF(ah->ah_sc, ATH_DBG_RESET,
+			"AR_SLP32_TSF_WRITE_STATUS limit exceeded\n");
+
 	REG_WRITE(ah, AR_RESET_TSF, AR_RESET_TSF_ONCE);
 	ath9k_ps_restore(ah->ah_sc);
 }
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -95,6 +95,7 @@
 
 #define MAX_RATE_POWER              63
 #define AH_WAIT_TIMEOUT             100000 /* (us) */
+#define AH_TSF_WRITE_TIMEOUT        100    /* (us) */
 #define AH_TIME_QUANTUM             10
 #define AR_KEYTABLE_SIZE            128
 #define POWER_UP_TIME               200000