ptp: Fix clock_getres() implementation

The clock_getres() function must return the resolution in the timespec
argument and return 0 for success.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: John Stultz <john.stultz@linaro.org>
Cc: stable@kernel.org
Cc: Richard Cochran <richard.cochran@omicron.at>

diff --git a/drivers/ptp/ptp_clock.c b/drivers/ptp/ptp_clock.c
index cf3f999..10451a1 100644 (file)
--- a/drivers/ptp/ptp_clock.c
+++ b/drivers/ptp/ptp_clock.c
@@ -101,7 +101,9 @@ static s32 scaled_ppm_to_ppb(long ppm)
 
 static int ptp_clock_getres(struct posix_clock *pc, struct timespec *tp)
 {
-       return 1; /* always round timer functions to one nanosecond */
+       tp->tv_sec = 0;
+       tp->tv_nsec = 1;
+       return 0;
 }
 
 static int ptp_clock_settime(struct posix_clock *pc, const struct timespec *tp)