netdev - Re: [PATCH v2] net: fec: Add ECR bit macros, fix FEC_ECR

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Date: Mon, 10 Jun 2024 21:13:35 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Csókás, Bence <csokas.bence@...lan.hu>
Cc: imx@...ts.linux.dev, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, Wei Fang <wei.fang@....com>,
	Shenwei Wang <shenwei.wang@....com>,
	Clark Wang <xiaoning.wang@....com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>
Subject: Re: [PATCH v2] net: fec: Add ECR bit macros, fix FEC_ECR_EN1588
 being cleared on link-down

On Fri, Jun 07, 2024 at 10:18:55AM +0200, Csókás, Bence wrote:
> FEC_ECR_EN1588 bit gets cleared after MAC reset in `fec_stop()`, which
> makes all 1588 functionality shut down on link-down. However, some
> functionality needs to be retained (e.g. PPS) even without link.

I don't know much about PPS. Could you point to some documentation,
list email etc, which indicated PPS without link is expected to work.

Please also Cc: Richard Cochran for changes like this.

Thanks
	Andrew