diff options
| author |   Yangbo Lu <yangbo.lu@nxp.com> | 2021-06-30 16:11:52 +0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2021-07-01 13:08:18 -0700 |
| commit | 5d43f951b1ac797450bb4d230fdc960b739bea04 (patch) | |
| tree | 7e4ef8c7ca741fecd668e94f122543f34284ca61 /include/linux/ptp_clock_kernel.h | |
| parent | Merge branch 'wwan-iosm-fixes' (diff) | |
| download | linux-dev-5d43f951b1ac797450bb4d230fdc960b739bea04.tar.xz linux-dev-5d43f951b1ac797450bb4d230fdc960b739bea04.zip | |
ptp: add ptp virtual clock driver framework
This patch is to add ptp virtual clock driver framework
utilizing timecounter/cyclecounter.
The patch just exports two essential APIs for PTP driver.
- ptp_vclock_register()
- ptp_vclock_unregister()
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/ptp_clock_kernel.h')
| -rw-r--r-- | include/linux/ptp_clock_kernel.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/ptp_clock_kernel.h b/include/linux/ptp_clock_kernel.h index aba237c0b3a2..b6fb771ee524 100644 --- a/include/linux/ptp_clock_kernel.h +++ b/include/linux/ptp_clock_kernel.h @@ -11,7 +11,9 @@ #include <linux/device.h> #include <linux/pps_kernel.h> #include <linux/ptp_clock.h> +#include <linux/timecounter.h> +#define PTP_CLOCK_NAME_LEN 32 /** * struct ptp_clock_request - request PTP clock event * @@ -134,7 +136,7 @@ struct ptp_system_timestamp { struct ptp_clock_info { struct module *owner; - char name[16]; + char name[PTP_CLOCK_NAME_LEN]; s32 max_adj; int n_alarm; int n_ext_ts; |