On Fri, May 22, 2020 at 04:37:22PM +0800, Jianyong Wu wrote:
> sometimes we may need tell getcrosstimestamp call back how to perform
> itself. Extending input arguments for getcrosstimestamp API to offer more
> exquisite control for the operation.
This text does not offer any justification for the change in API.
> diff --git a/include/linux/ptp_clock_kernel.h b/include/linux/ptp_clock_kernel.h
> index c602670bbffb..ba765647e54b 100644
> --- a/include/linux/ptp_clock_kernel.h
> +++ b/include/linux/ptp_clock_kernel.h
> @@ -133,7 +133,8 @@ struct ptp_clock_info {
> int (*gettimex64)(struct ptp_clock_info *ptp, struct timespec64 *ts,
> struct ptp_system_timestamp *sts);
> int (*getcrosststamp)(struct ptp_clock_info *ptp,
> - struct system_device_crosststamp *cts);
> + struct system_device_crosststamp *cts,
> + long *flag);
Well, you ignored the kernel doc completely. But in any case, I must
NAK this completely opaque and mysterious change. You want to add a
random pointer to some flag? I don't think so.
Thanks,
Richard
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