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-rw-r--r--include/linux/ptp_clock_kernel.h12
1 files changed, 7 insertions, 5 deletions
diff --git a/include/linux/ptp_clock_kernel.h b/include/linux/ptp_clock_kernel.h
index 2e5565067355..554454cb8693 100644
--- a/include/linux/ptp_clock_kernel.h
+++ b/include/linux/ptp_clock_kernel.h
@@ -351,15 +351,17 @@ int ptp_get_vclocks_index(int pclock_index, int **vclock_index);
*
* @hwtstamps: skb_shared_hwtstamps structure pointer
* @vclock_index: phc index of ptp vclock.
+ *
+ * Returns converted timestamp, or 0 on error.
*/
-void ptp_convert_timestamp(struct skb_shared_hwtstamps *hwtstamps,
- int vclock_index);
+ktime_t ptp_convert_timestamp(const struct skb_shared_hwtstamps *hwtstamps,
+ int vclock_index);
#else
static inline int ptp_get_vclocks_index(int pclock_index, int **vclock_index)
{ return 0; }
-static inline void ptp_convert_timestamp(struct skb_shared_hwtstamps *hwtstamps,
- int vclock_index)
-{ }
+static inline ktime_t ptp_convert_timestamp(const struct skb_shared_hwtstamps *hwtstamps,
+ int vclock_index)
+{ return 0; }
#endif