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Subject[PTP] Implement clock_getres() function correctly
clock_getres() needs to put the resolution into the provided timespec
and return 0 in case of success.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org
---
diff --git a/drivers/ptp/ptp_clock.c b/drivers/ptp/ptp_clock.c
index cf3f999..6b0c02a 100644
--- a/drivers/ptp/ptp_clock.c
+++ b/drivers/ptp/ptp_clock.c
@@ -101,7 +101,10 @@ 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 */
+ /* Resolution is 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)

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