[patch 50/55] wireless: ath9k: Get rid of timespec conversions

[Thomas Gleixner]

We have interfaces. Remove the open coded cruft. Reduces text size
along with the code.

Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: QCA ath9k Development <ath9k-devel@xxxxxxxxxxxxxxxx>
Cc: "John W. Linville" <linville@xxxxxxxxxxxxx>
---
 drivers/net/wireless/ath/ath9k/hw.c |    7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

Index: tip/drivers/net/wireless/ath/ath9k/hw.c
===================================================================
--- tip.orig/drivers/net/wireless/ath/ath9k/hw.c
+++ tip/drivers/net/wireless/ath/ath9k/hw.c
@@ -1734,7 +1734,6 @@ int ath9k_hw_reset(struct ath_hw *ah, st
 		   struct ath9k_hw_cal_data *caldata, bool fastcc)
 {
 	struct ath_common *common = ath9k_hw_common(ah);
-	struct timespec ts;
 	u32 saveLedState;
 	u32 saveDefAntenna;
 	u32 macStaId1;
@@ -1784,8 +1783,7 @@ int ath9k_hw_reset(struct ath_hw *ah, st
 
 	/* Save TSF before chip reset, a cold reset clears it */
 	tsf = ath9k_hw_gettsf64(ah);
-	getrawmonotonic(&ts);
-	usec = ts.tv_sec * 1000000ULL + ts.tv_nsec / 1000;
+	usec = ktime_to_us(ktime_get_raw());
 
 	saveLedState = REG_READ(ah, AR_CFG_LED) &
 		(AR_CFG_LED_ASSOC_CTL | AR_CFG_LED_MODE_SEL |
@@ -1818,8 +1816,7 @@ int ath9k_hw_reset(struct ath_hw *ah, st
 	}
 
 	/* Restore TSF */
-	getrawmonotonic(&ts);
-	usec = ts.tv_sec * 1000000ULL + ts.tv_nsec / 1000 - usec;
+	usec = ktime_to_us(ktime_get_raw()) - usec;
 	ath9k_hw_settsf64(ah, tsf + usec);
 
 	if (AR_SREV_9280_20_OR_LATER(ah))


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