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path: root/drivers/net/wireless/ath/ath9k/hw.c
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-rw-r--r--drivers/net/wireless/ath/ath9k/hw.c25
1 files changed, 8 insertions, 17 deletions
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index a25eacabc664..f9a774bd0e13 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1847,20 +1847,11 @@ fail:
return -EINVAL;
}
-u32 ath9k_hw_get_tsf_offset(struct timespec64 *last, struct timespec64 *cur)
+u32 ath9k_hw_get_tsf_offset(ktime_t last, ktime_t cur)
{
- struct timespec64 ts;
- s64 usec;
-
- if (!cur) {
- ktime_get_raw_ts64(&ts);
- cur = &ts;
- }
-
- usec = cur->tv_sec * 1000000ULL + cur->tv_nsec / 1000;
- usec -= last->tv_sec * 1000000ULL + last->tv_nsec / 1000;
-
- return (u32) usec;
+ if (cur == 0)
+ cur = ktime_get_raw();
+ return ktime_us_delta(cur, last);
}
EXPORT_SYMBOL(ath9k_hw_get_tsf_offset);
@@ -1871,7 +1862,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
u32 saveLedState;
u32 saveDefAntenna;
u32 macStaId1;
- struct timespec64 tsf_ts;
+ ktime_t tsf_ts;
u32 tsf_offset;
u64 tsf = 0;
int r;
@@ -1917,7 +1908,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
macStaId1 = REG_READ(ah, AR_STA_ID1) & AR_STA_ID1_BASE_RATE_11B;
/* Save TSF before chip reset, a cold reset clears it */
- ktime_get_raw_ts64(&tsf_ts);
+ tsf_ts = ktime_get_raw();
tsf = ath9k_hw_gettsf64(ah);
saveLedState = REG_READ(ah, AR_CFG_LED) &
@@ -1951,7 +1942,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
}
/* Restore TSF */
- tsf_offset = ath9k_hw_get_tsf_offset(&tsf_ts, NULL);
+ tsf_offset = ath9k_hw_get_tsf_offset(tsf_ts, 0);
ath9k_hw_settsf64(ah, tsf + tsf_offset);
if (AR_SREV_9280_20_OR_LATER(ah))
@@ -1975,7 +1966,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
* value after the initvals have been applied.
*/
if (AR_SREV_9100(ah) && (ath9k_hw_gettsf64(ah) < tsf)) {
- tsf_offset = ath9k_hw_get_tsf_offset(&tsf_ts, NULL);
+ tsf_offset = ath9k_hw_get_tsf_offset(tsf_ts, 0);
ath9k_hw_settsf64(ah, tsf + tsf_offset);
}