netdev - Re: [PATCH net-next v6 3/3] net: phy: Add support for 1PPS out and external timestamps

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Date:   Wed, 8 Jun 2022 13:50:39 -0700
From:   Richard Cochran <richardcochran@...il.com>
To:     Jonathan Lemon <jonathan.lemon@...il.com>
Cc:     netdev@...r.kernel.org, kernel-team@...com,
        Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Lasse Johnsen <l@...johnsen.me>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Broadcom internal kernel review list 
        <bcm-kernel-feedback-list@...adcom.com>
Subject: Re: [PATCH net-next v6 3/3] net: phy: Add support for 1PPS out and
 external timestamps

On Wed, Jun 08, 2022 at 01:44:51PM -0700, Jonathan Lemon wrote:
> The perout function is used to generate a 1PPS signal, synchronized
> to the PHC.  This is accomplished by a using the hardware oneshot
> functionality, which is reset by a timer.

Is this now really in sync with the PHC?

(previously there was talk about it being random phase/frequency)

Thanks,
Richard