linux-kernel - Re: [PATCH 0/7] Add PTP support for BCM53128 switch

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Message-ID: <c7137797-cd62-7006-572b-003e8bff89e5@linutronix.de>
Date:   Fri, 5 Nov 2021 14:08:13 +0100
From:   Martin Kaistra <martin.kaistra@...utronix.de>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Richard Cochran <richardcochran@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        John Stultz <john.stultz@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Stephen Boyd <sboyd@...nel.org>,
        Russell King <linux@...linux.org.uk>,
        Marc Kleine-Budde <mkl@...gutronix.de>,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH 0/7] Add PTP support for BCM53128 switch

Am 04.11.21 um 18:29 schrieb Jakub Kicinski:
> On Thu,  4 Nov 2021 14:31:54 +0100 Martin Kaistra wrote:
>> this series adds PTP support to the b53 DSA driver for the BCM53128
>> switch using the BroadSync HD feature.
>>
>> As there seems to be only one filter (either by Ethertype or DA) for
>> timestamping incoming packets, only L2 is supported.
>>
>> To be able to use the timecounter infrastructure with a counter that
>> wraps around at a non-power of two point, patch 2 adds support for such
>> a custom point. Alternatively I could fix up the delta every time a
>> wrap-around occurs in the driver itself, but this way it can also be
>> useful for other hardware.
> 
> Please make sure that the code builds as a module and that each patch
> compiles cleanly with W=1 C=1 flags set - build the entire tree first
> with W=1 C=1 cause there will be extra warning noise, then apply your
> patches one by one and recompile, there should be no warnings since b53
> itself builds cleanly.
> 

Sorry, I will fix that.

Thanks,
Martin