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>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

2 files changed, 6 insertions, 12 deletions

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 98537698be22..605803ae9ed8 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -3840,19 +3840,12 @@ void ath9k_hw_settsf64(struct ath_hw *ah, u64 tsf64)
 
 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);
 }
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 9a4570d7ecbe..28bffdb365a2 100644
--- 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