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-rw-r--r--drivers/hv/hv_util.c36
1 files changed, 0 insertions, 36 deletions
diff --git a/drivers/hv/hv_util.c b/drivers/hv/hv_util.c
index 186b10083c55..2849143bf6f0 100644
--- a/drivers/hv/hv_util.c
+++ b/drivers/hv/hv_util.c
@@ -248,7 +248,6 @@ static struct adj_time_work wrk;
static struct {
u64 host_time;
u64 ref_time;
- struct system_time_snapshot snap;
spinlock_t lock;
} host_ts;
@@ -281,7 +280,6 @@ static inline void adj_guesttime(u64 hosttime, u64 reftime, u8 adj_flags)
cur_reftime = hyperv_cs->read(hyperv_cs);
host_ts.host_time = hosttime;
host_ts.ref_time = cur_reftime;
- ktime_get_snapshot(&host_ts.snap);
/*
* TimeSync v4 messages contain reference time (guest's Hyper-V
@@ -538,46 +536,12 @@ static int hv_ptp_gettime(struct ptp_clock_info *info, struct timespec64 *ts)
return 0;
}
-static int hv_ptp_get_syncdevicetime(ktime_t *device,
- struct system_counterval_t *system,
- void *ctx)
-{
- system->cs = hyperv_cs;
- system->cycles = host_ts.ref_time;
- *device = ns_to_ktime((host_ts.host_time - WLTIMEDELTA) * 100);
-
- return 0;
-}
-
-static int hv_ptp_getcrosststamp(struct ptp_clock_info *ptp,
- struct system_device_crosststamp *xtstamp)
-{
- unsigned long flags;
- int ret;
-
- spin_lock_irqsave(&host_ts.lock, flags);
-
- /*
- * host_ts contains the last time sample from the host and the snapshot
- * of system time. We don't need to calculate the time delta between
- * the reception and now as get_device_system_crosststamp() does the
- * required interpolation.
- */
- ret = get_device_system_crosststamp(hv_ptp_get_syncdevicetime,
- NULL, &host_ts.snap, xtstamp);
-
- spin_unlock_irqrestore(&host_ts.lock, flags);
-
- return ret;
-}
-
static struct ptp_clock_info ptp_hyperv_info = {
.name = "hyperv",
.enable = hv_ptp_enable,
.adjtime = hv_ptp_adjtime,
.adjfreq = hv_ptp_adjfreq,
.gettime64 = hv_ptp_gettime,
- .getcrosststamp = hv_ptp_getcrosststamp,
.settime64 = hv_ptp_settime,
.owner = THIS_MODULE,
};