Re: [PATCH net-next 3/3] ptp: ptp_clockmatrix: Add adjphase() to support PHC write phase mode.

From: Vincent Cheng
Date: Fri May 01 2020 - 09:51:47 EST


On Thu, Apr 30, 2020 at 11:56:01PM EDT, Richard Cochran wrote:
>On Wed, Apr 29, 2020 at 08:28:25PM -0400, vincent.cheng.xh@xxxxxxxxxxx wrote:
>> @@ -871,6 +880,69 @@ static int idtcm_set_pll_mode(struct idtcm_channel *channel,
>>
>> + int err;
>> + u8 i;
>> + u8 buf[4] = {0};
>> + s32 phaseIn50Picoseconds;
>> + s64 phaseOffsetInPs;
>
>Kernel coding style uses lower_case_underscores rather than lowerCamelCase.

Sorry, missed that. Will fix.

>> + kthread_queue_delayed_work(channel->kworker,
>> + &channel->write_phase_ready_work,
>> + msecs_to_jiffies(WR_PHASE_SETUP_MS));
>
>Each PHC driver automatically has a kworker provided by the class
>layer. In order to use it, set ptp_clock_info.do_aux_work to your
>callback function and then call ptp_schedule_worker() when needed.
>
>See drivers/net/ethernet/ti/cpts.c for example.

That is nice of the API, thank-you for the example. Will fix and re-submit.

Thanks,
Vincent