linux-kernel - Re: [PATCH v2] net: stmmac: correct MAC propagation delay

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Message-ID: <ZMJyVLy4NnBMUI55@hoboy.vegasvil.org>
Date:   Thu, 27 Jul 2023 06:34:12 -0700
From:   Richard Cochran <richardcochran@...il.com>
To:     Johannes Zink <j.zink@...gutronix.de>
Cc:     Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Jose Abreu <joabreu@...opsys.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Russell King <linux@...linux.org.uk>,
        patchwork-jzi@...gutronix.de, netdev@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        kernel@...gutronix.de, kernel test robot <lkp@...el.com>
Subject: Re: [PATCH v2] net: stmmac: correct MAC propagation delay

On Thu, Jul 27, 2023 at 08:42:52AM +0200, Johannes Zink wrote:

> good catch, I think adding the register definition won't hurt, but if you
> feel more comfortable about it I can add them only for IP core version 5.

Adding the offsets in the header is not the issue.

The issue is reading from these offsets when there is nothing there to
read!

Thanks,
Richard