netdev - Re: [PATCH net-next 0/3] Fully describe the waveform for PTP periodic output

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Date:   Thu, 16 Jul 2020 15:28:26 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Vladimir Oltean <olteanv@...il.com>
Cc:     davem@...emloft.net, netdev@...r.kernel.org,
        richardcochran@...il.com, jacob.e.keller@...el.com,
        yangbo.lu@....com, xiaoliang.yang_1@....com, po.liu@....com,
        UNGLinuxDriver@...rochip.com
Subject: Re: [PATCH net-next 0/3] Fully describe the waveform for PTP
 periodic output

On Fri, 17 Jul 2020 00:20:29 +0300 Vladimir Oltean wrote:
> While using the ancillary pin functionality of PTP hardware clocks to
> synchronize multiple DSA switches on a board, a need arised to be able
> to configure the duty cycle of the master of this PPS hierarchy.
> 
> Also, the PPS master is not able to emit PPS starting from arbitrary
> absolute times, so a new flag is introduced to support such hardware
> without making guesses.
> 
> With these patches, struct ptp_perout_request now basically describes a
> general-purpose square wave.

error: patch failed: drivers/net/ethernet/mscc/ocelot_ptp.c:236
error: drivers/net/ethernet/mscc/ocelot_ptp.c: patch does not apply
hint: Use 'git am --show-current-patch' to see the failed patch
Applying: ptp: add ability to configure duty cycle for periodic output
Applying: ptp: introduce a phase offset in the periodic output request
Applying: net: mscc: ocelot: add support for PTP waveform configuration
Patch failed at 0003 net: mscc: ocelot: add support for PTP waveform configuration
When you have resolved this problem, run "git am --continue".
If you prefer to skip this patch, run "git am --skip" instead.
To restore the original branch and stop patching, run "git am --abort".