Re: [PATCH net] ptp: ptp_clockmatrix: update to support 4.8.7 firmware

2020-07-30 Thread David Miller
From: Date: Tue, 28 Jul 2020 16:00:30 -0400 > From: Min Li > > With 4.8.7 firmware, adjtime can change delta instead of absolute time, > which greately increases snap accuracy. PPS alignment doesn't have to > be set for every single TOD change. Other minor changes includes: > adding more debug

Re: [PATCH net] ptp: ptp_clockmatrix: update to support 4.8.7 firmware

2020-07-29 Thread Richard Cochran
On Tue, Jul 28, 2020 at 04:00:30PM -0400, min.li...@renesas.com wrote: > From: Min Li > > With 4.8.7 firmware, adjtime can change delta instead of absolute time, > which greately increases snap accuracy. PPS alignment doesn't have to > be set for every single TOD change. Other minor changes inclu

[PATCH net] ptp: ptp_clockmatrix: update to support 4.8.7 firmware

2020-07-28 Thread min.li.xe
From: Min Li With 4.8.7 firmware, adjtime can change delta instead of absolute time, which greately increases snap accuracy. PPS alignment doesn't have to be set for every single TOD change. Other minor changes includes: adding more debug logs, increasing snap accuracy for pre 4.8.7 firmware and