linux-kernel - Re: [RFC PATCH v2] rtc: pcf2127: Add PPS capability through Seconds Interrupt

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Message-ID: <ZmpmqlZUe-2nhUT4@hoboy.vegasvil.org>
Date: Wed, 12 Jun 2024 20:25:30 -0700
From: Richard Cochran <richardcochran@...il.com>
To: Csókás Bence <csokas.bence@...lan.hu>
Cc: Miroslav Lichvar <mlichvar@...hat.com>, linux-rtc@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Szentendrei, Tamás <szentendrei.tamas@...lan.hu>,
	Alexandre Belloni <alexandre.belloni@...tlin.com>
Subject: Re: [RFC PATCH v2] rtc: pcf2127: Add PPS capability through Seconds
 Interrupt

On Wed, Jun 12, 2024 at 11:16:02AM +0200, Csókás Bence wrote:
> On 6/12/24 09:50, Miroslav Lichvar wrote:

> > I think a TCXO-based RTC can be useful to user space to improve
> > holdover performance with NTP/PTP.
> 
> Exactly.

Oh, the fact that the RTC has a TCXO is useful context to explain your
motivation and justify the need for this change.

It wouldn't hurt to include that tidbit in the commit message.

Thanks,
Richard