diff options
| author | Andrew Morton <akpm@linux-foundation.org> | 2023-06-30 08:41:39 -0700 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-06-30 08:41:39 -0700 |
| commit | 44f10dbefd5e41b3385af91f855a57aa2afaf40e (patch) | |
| tree | 944c9f1cda8322691468e6f10dc5b0d41c487621 /include/linux/ptp_clock_kernel.h | |
| parent | 0a30901b0732a59e038088d3de3e5611db1870d3 (diff) | |
| parent | e55e5df193d247a38a5e1ac65a5316a0adcc22fa (diff) | |
Merge branch 'master' into mm-hotfixes-stable
Diffstat (limited to 'include/linux/ptp_clock_kernel.h')
| -rw-r--r-- | include/linux/ptp_clock_kernel.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/include/linux/ptp_clock_kernel.h b/include/linux/ptp_clock_kernel.h index fdffa6a98d79..1ef4e0f9bd2a 100644 --- a/include/linux/ptp_clock_kernel.h +++ b/include/linux/ptp_clock_kernel.h @@ -77,8 +77,14 @@ struct ptp_system_timestamp { * nominal frequency in parts per million, but with a * 16 bit binary fractional field. * - * @adjphase: Adjusts the phase offset of the hardware clock. - * parameter delta: Desired change in nanoseconds. + * @adjphase: Indicates that the PHC should use an internal servo + * algorithm to correct the provided phase offset. + * parameter delta: PHC servo phase adjustment target + * in nanoseconds. + * + * @getmaxphase: Advertises maximum offset that can be provided + * to the hardware clock's phase control functionality + * through adjphase. * * @adjtime: Shifts the time of the hardware clock. * parameter delta: Desired change in nanoseconds. @@ -169,6 +175,7 @@ struct ptp_clock_info { struct ptp_pin_desc *pin_config; int (*adjfine)(struct ptp_clock_info *ptp, long scaled_ppm); int (*adjphase)(struct ptp_clock_info *ptp, s32 phase); + s32 (*getmaxphase)(struct ptp_clock_info *ptp); int (*adjtime)(struct ptp_clock_info *ptp, s64 delta); int (*gettime64)(struct ptp_clock_info *ptp, struct timespec64 *ts); int (*gettimex64)(struct ptp_clock_info *ptp, struct timespec64 *ts, |