wireless: ath9k: Get rid of timespec conversions

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

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: QCA ath9k Development <ath9k-devel@qca.qualcomm.com>
Cc: John W. Linville <linville@tuxdriver.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>

1 files changed, 2 insertions, 5 deletions

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 2a8ed8375ec0..14b80b1b450c 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1734,7 +1734,6 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
                    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, struct ath9k_channel *chan,
 
         /* 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, struct ath9k_channel *chan,
         }
 
         /* 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))