linux-kernel - Re: [PATCH net-next v5 9/9] net: dsa: microchip: ksz9477: add periodic output support

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Message-ID: <2436656.VLTSFkEMrK@n95hx1g2>
Date:   Thu, 3 Dec 2020 17:20:36 +0100
From:   Christian Eggers <ceggers@...i.de>
To:     Vladimir Oltean <olteanv@...il.com>
CC:     Richard Cochran <richardcochran@...il.com>,
        Jakub Kicinski <kuba@...nel.org>, Andrew Lunn <andrew@...n.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Vivien Didelot <vivien.didelot@...il.com>,
        "David S . Miller" <davem@...emloft.net>,
        Kurt Kanzenbach <kurt.kanzenbach@...utronix.de>,
        George McCollister <george.mccollister@...il.com>,
        Marek Vasut <marex@...x.de>,
        Helmut Grohne <helmut.grohne@...enta.de>,
        Paul Barker <pbarker@...sulko.com>,
        "Codrin Ciubotariu" <codrin.ciubotariu@...rochip.com>,
        Tristram Ha <Tristram.Ha@...rochip.com>,
        Woojung Huh <woojung.huh@...rochip.com>,
        Microchip Linux Driver Support <UNGLinuxDriver@...rochip.com>,
        netdev <netdev@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>, lkml <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH net-next v5 9/9] net: dsa: microchip: ksz9477: add periodic output support

On Thursday, 3 December 2020, 16:52:46 CET, Vladimir Oltean wrote:
> On Thu, 3 Dec 2020 at 17:36, Christian Eggers <ceggers@...i.de> wrote:
> > Should ptp_sysfs be extended with a "pulse" attribute with calls
> > enable() with only PTP_PEROUT_DUTY_CYCLE set?
> 
> Use tools/testing/selftests/ptp/testptp.

Thanks for the hint. Last time I looked at it (5.4), it used to have
no "pulse" feature (as the ioctl() interface).

Maybe I should also add support for PTP_PEROUT_PHASE to the KSZ driver.

regards
Christian