Merge part of branch 'for-next.instantiate' into for-next

1 files changed, 38 insertions, 4 deletions

diff --git a/include/linux/ptp_clock_kernel.h b/include/linux/ptp_clock_kernel.h
index 554454cb8693..92b44161408e 100644
--- a/include/linux/ptp_clock_kernel.h
+++ b/include/linux/ptp_clock_kernel.h
@@ -108,6 +108,32 @@ struct ptp_system_timestamp {
  * @settime64:  Set the current time on the hardware clock.
  *              parameter ts: Time value to set.
  *
+ * @getcycles64:  Reads the current free running cycle counter from the hardware
+ *                clock.
+ *                If @getcycles64 and @getcyclesx64 are not supported, then
+ *                @gettime64 or @gettimex64 will be used as default
+ *                implementation.
+ *                parameter ts: Holds the result.
+ *
+ * @getcyclesx64:  Reads the current free running cycle counter from the
+ *                 hardware clock and optionally also the system clock.
+ *                 If @getcycles64 and @getcyclesx64 are not supported, then
+ *                 @gettimex64 will be used as default implementation if
+ *                 available.
+ *                 parameter ts: Holds the PHC timestamp.
+ *                 parameter sts: If not NULL, it holds a pair of timestamps
+ *                 from the system clock. The first reading is made right before
+ *                 reading the lowest bits of the PHC timestamp and the second
+ *                 reading immediately follows that.
+ *
+ * @getcrosscycles:  Reads the current free running cycle counter from the
+ *                   hardware clock and system clock simultaneously.
+ *                   If @getcycles64 and @getcyclesx64 are not supported, then
+ *                   @getcrosststamp will be used as default implementation if
+ *                   available.
+ *                   parameter cts: Contains timestamp (device,system) pair,
+ *                   where system time is realtime and monotonic.
+ *
  * @enable:   Request driver to enable or disable an ancillary feature.
  *            parameter request: Desired resource to enable or disable.
  *            parameter on: Caller passes one to enable or zero to disable.
@@ -155,6 +181,11 @@ struct ptp_clock_info {
 	int (*getcrosststamp)(struct ptp_clock_info *ptp,
 			      struct system_device_crosststamp *cts);
 	int (*settime64)(struct ptp_clock_info *p, const struct timespec64 *ts);
+	int (*getcycles64)(struct ptp_clock_info *ptp, struct timespec64 *ts);
+	int (*getcyclesx64)(struct ptp_clock_info *ptp, struct timespec64 *ts,
+			    struct ptp_system_timestamp *sts);
+	int (*getcrosscycles)(struct ptp_clock_info *ptp,
+			      struct system_device_crosststamp *cts);
 	int (*enable)(struct ptp_clock_info *ptp,
 		      struct ptp_clock_request *request, int on);
 	int (*verify)(struct ptp_clock_info *ptp, unsigned int pin,
@@ -321,6 +352,10 @@ static inline int ptp_clock_index(struct ptp_clock *ptp)
 static inline int ptp_find_pin(struct ptp_clock *ptp,
 			       enum ptp_pin_function func, unsigned int chan)
 { return -1; }
+static inline int ptp_find_pin_unlocked(struct ptp_clock *ptp,
+					enum ptp_pin_function func,
+					unsigned int chan)
+{ return -1; }
 static inline int ptp_schedule_worker(struct ptp_clock *ptp,
 				      unsigned long delay)
 { return -EOPNOTSUPP; }
@@ -349,17 +384,16 @@ int ptp_get_vclocks_index(int pclock_index, int **vclock_index);
 /**
  * ptp_convert_timestamp() - convert timestamp to a ptp vclock time
  *
- * @hwtstamps:    skb_shared_hwtstamps structure pointer
+ * @hwtstamp:     timestamp
  * @vclock_index: phc index of ptp vclock.
  *
  * Returns converted timestamp, or 0 on error.
  */
-ktime_t ptp_convert_timestamp(const struct skb_shared_hwtstamps *hwtstamps,
-			      int vclock_index);
+ktime_t ptp_convert_timestamp(const ktime_t *hwtstamp, int vclock_index);
 #else
 static inline int ptp_get_vclocks_index(int pclock_index, int **vclock_index)
 { return 0; }
-static inline ktime_t ptp_convert_timestamp(const struct skb_shared_hwtstamps *hwtstamps,
+static inline ktime_t ptp_convert_timestamp(const ktime_t *hwtstamp,
 					    int vclock_index)
 { return 0; }