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authorRichard Cochran <richardcochran@gmail.com>2015-03-30 00:11:53 +0300
committerDavid S. Miller <davem@davemloft.net>2015-03-31 19:01:16 +0300
commitd7d38f5bd7bece539a6cbb59fc8121f29f63fbdb (patch)
treed42c8e003979ad0e0ad80229efd9e36653b6a3a9 /drivers/ptp/ptp_clock.c
parente13cfcb03eeccb97d3f8deb393304c6190b61da9 (diff)
downloadlinux-d7d38f5bd7bece539a6cbb59fc8121f29f63fbdb.tar.xz
ptp: use the 64 bit get/set time methods for the posix clock.
This patch changes the posix clock code to prefer the new methods whenever they are implemented by the PHC drivers. Signed-off-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/ptp/ptp_clock.c')
-rw-r--r--drivers/ptp/ptp_clock.c19
1 files changed, 17 insertions, 2 deletions
diff --git a/drivers/ptp/ptp_clock.c b/drivers/ptp/ptp_clock.c
index 296b0ec8744d..df50d5eeae6f 100644
--- a/drivers/ptp/ptp_clock.c
+++ b/drivers/ptp/ptp_clock.c
@@ -107,13 +107,28 @@ static int ptp_clock_getres(struct posix_clock *pc, struct timespec *tp)
static int ptp_clock_settime(struct posix_clock *pc, const struct timespec *tp)
{
struct ptp_clock *ptp = container_of(pc, struct ptp_clock, clock);
- return ptp->info->settime(ptp->info, tp);
+ struct timespec64 ts = timespec_to_timespec64(*tp);
+
+ return ptp->info->settime64 ?
+ ptp->info->settime64(ptp->info, &ts) :
+ ptp->info->settime(ptp->info, tp);
}
static int ptp_clock_gettime(struct posix_clock *pc, struct timespec *tp)
{
struct ptp_clock *ptp = container_of(pc, struct ptp_clock, clock);
- return ptp->info->gettime(ptp->info, tp);
+ struct timespec64 ts;
+ int err;
+
+ if (ptp->info->gettime64) {
+ err = ptp->info->gettime64(ptp->info, &ts);
+ if (!err)
+ *tp = timespec64_to_timespec(ts);
+ } else {
+ err = ptp->info->gettime(ptp->info, tp);
+ }
+
+ return err;
}
static int ptp_clock_adjtime(struct posix_clock *pc, struct timex *tx)