From: Sascha Hauer <s.hauer@pengutronix.de>
To: barebox@lists.infradead.org, Ahmad Fatoum <a.fatoum@barebox.org>
Subject: Re: [PATCH] net: designware_eqos: leave the MAC alone while the link is down
Date: Mon, 09 Nov 2026 10:00:59 +0100 [thread overview]
Message-ID: <179421485967.493373.1956668714819638396.b4-ty@pengutronix.de> (raw)
In-Reply-To: <20261108201613.1401590-1-a.fatoum@barebox.org>
On Sun, 08 Nov 2026 21:16:12 +0100, Ahmad Fatoum wrote:
> The PHY core calls adjust_link on a link loss as well, with whatever
> speed and duplex the PHY driver falls back to, 10 Mbit/s half duplex
> for genphy, and eqos_adjust_link() programs the MAC for that.
>
> On the Amlogic A9 (DWMAC 5.30 behind the G12A glue, which isn't in
> barebox yet), the detour over 10 Mbit/s every so often leaves the RGMII
> transmit path dead until the next speed change. On a BY401, that was
> about every other ifdown/ifup.
>
> [...]
Applied, thanks!
[1/1] net: designware_eqos: leave the MAC alone while the link is down
https://git.pengutronix.de/cgit/barebox/commit/?id=5f286bb04508 (link may not be stable)
Best regards,
--
Sascha Hauer <s.hauer@pengutronix.de>
prev parent reply other threads:[~2026-11-09 9:02 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-08 20:16 Ahmad Fatoum
2026-11-09 9:00 ` Sascha Hauer [this message]
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