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author | Boris Brezillon <boris.brezillon@free-electrons.com> | 2017-08-28 18:04:15 +0200 |
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committer | Boris Brezillon <boris.brezillon@free-electrons.com> | 2017-08-28 18:04:15 +0200 |
commit | 5ffa70b2a38befadb920b85fe87f5da2b4cff623 (patch) | |
tree | 411b1d357731db5e2611f0ca67082a8c909b7d9d /include/linux/ptp_clock_kernel.h | |
parent | 75864b301c91bf41ec2fb49ce4efb62fcb48b954 (diff) | |
parent | cc4a41fe5541a73019a864883297bd5043aa6d98 (diff) |
Merge tag 'v4.13-rc7' into mtd/next
Merge v4.13-rc7 back to resolve merge conflicts in
drivers/mtd/nand/nandsim.c and include/asm-generic/vmlinux.lds.h.
Diffstat (limited to 'include/linux/ptp_clock_kernel.h')
-rw-r--r-- | include/linux/ptp_clock_kernel.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/linux/ptp_clock_kernel.h b/include/linux/ptp_clock_kernel.h index a026bfd089db..51349d124ee5 100644 --- a/include/linux/ptp_clock_kernel.h +++ b/include/linux/ptp_clock_kernel.h @@ -99,6 +99,11 @@ struct system_device_crosststamp; * parameter func: the desired function to use. * parameter chan: the function channel index to use. * + * @do_work: Request driver to perform auxiliary (periodic) operations + * Driver should return delay of the next auxiliary work scheduling + * time (>=0) or negative value in case further scheduling + * is not required. + * * Drivers should embed their ptp_clock_info within a private * structure, obtaining a reference to it using container_of(). * @@ -126,6 +131,7 @@ struct ptp_clock_info { struct ptp_clock_request *request, int on); int (*verify)(struct ptp_clock_info *ptp, unsigned int pin, enum ptp_pin_function func, unsigned int chan); + long (*do_aux_work)(struct ptp_clock_info *ptp); }; struct ptp_clock; @@ -211,6 +217,16 @@ extern int ptp_clock_index(struct ptp_clock *ptp); int ptp_find_pin(struct ptp_clock *ptp, enum ptp_pin_function func, unsigned int chan); +/** + * ptp_schedule_worker() - schedule ptp auxiliary work + * + * @ptp: The clock obtained from ptp_clock_register(). + * @delay: number of jiffies to wait before queuing + * See kthread_queue_delayed_work() for more info. + */ + +int ptp_schedule_worker(struct ptp_clock *ptp, unsigned long delay); + #else static inline struct ptp_clock *ptp_clock_register(struct ptp_clock_info *info, struct device *parent) @@ -225,6 +241,10 @@ 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_schedule_worker(struct ptp_clock *ptp, + unsigned long delay) +{ return -EOPNOTSUPP; } + #endif #endif |