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ptp: use the 64 bit gettime method for the SYS_OFFSET ioctl.

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This patch changes the code to use the new method whenever implemented by
the PHC driver.

Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Richard Cochran 2015-03-29 23:11:52 +02:00 committed by David S. Miller
parent 92f1719407
commit e13cfcb03e
1 changed files with 10 additions and 4 deletions
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14
drivers/ptp/ptp_chardev.c
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@ -124,7 +124,8 @@ long ptp_ioctl(struct posix_clock *pc, unsigned int cmd, unsigned long arg)
struct ptp_clock *ptp = container_of(pc, struct ptp_clock, clock);
struct ptp_clock_info *ops = ptp->info;
struct ptp_clock_time *pct;
struct timespec ts;
struct timespec64 ts;
struct timespec t2;
int enable, err = 0;
unsigned int i, pin_index;
@ -197,16 +198,21 @@ long ptp_ioctl(struct posix_clock *pc, unsigned int cmd, unsigned long arg)
}
pct = &sysoff->ts[0];
for (i = 0; i < sysoff->n_samples; i++) {
getnstimeofday(&ts);
getnstimeofday64(&ts);
pct->sec = ts.tv_sec;
pct->nsec = ts.tv_nsec;
pct++;
ptp->info->gettime(ptp->info, &ts);
if (ptp->info->gettime64) {
ptp->info->gettime64(ptp->info, &ts);
} else {
ptp->info->gettime(ptp->info, &t2);
ts = timespec_to_timespec64(t2);
}
pct->sec = ts.tv_sec;
pct->nsec = ts.tv_nsec;
pct++;
}
getnstimeofday(&ts);
getnstimeofday64(&ts);
pct->sec = ts.tv_sec;
pct->nsec = ts.tv_nsec;
if (copy_to_user((void __user *)arg, sysoff, sizeof(*sysoff)))