Re: [PATCH v6 8/9] Add PTP_SYS_OFFSET_PRECISE for driver crosstimestamping
From: Richard Cochran
Date: Wed Jan 13 2016 - 16:32:12 EST
On Wed, Jan 13, 2016 at 04:12:28AM -0800, Christopher S. Hall wrote:
> Currently, network /system cross-timestamping is performed in the
> PTP_SYS_OFFSET ioctl. The PTP clock driver reads gettimeofday() and
> the gettime64() callback provided by the driver. The cross-timestamp
> is best effort where the latency between the capture of system time
> (getnstimeofday()) and the device time (driver callback) may be
> significant.
Looks good to me.
Acked-by: Richard Cochran <richardcochran@xxxxxxxxx>