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From: Jakub Kicinski <kuba@kernel.org>
To: vadik likholetov <vadikas@gmail.com>
Cc: netdev@vger.kernel.org, maxime.chevallier@bootlin.com,
	andrew@lunn.ch, andrew+netdev@lunn.ch, davem@davemloft.net,
	edumazet@google.com, pabeni@redhat.com,
	thierry.reding@kernel.org, jonathanh@nvidia.com,
	vbhadram@nvidia.com, linux-tegra@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH net v3] net: stmmac: enable the MAC on link up for all supported speeds
Date: Tue, 21 Jul 2026 15:42:33 -0700	[thread overview]
Message-ID: <20260721154233.77e5b97f@kernel.org> (raw)
In-Reply-To: <20260713074911.30090-1-vadikas@gmail.com>

On Mon, 13 Jul 2026 10:49:11 +0300 vadik likholetov wrote:
> stmmac_mac_link_down() clears the MAC's transmit and receive enable bits.
> stmmac_mac_link_up() is expected to set them again through
> stmmac_mac_set(..., true), but it first switches on the negotiated speed
> and returns early for a speed the switch does not list. The MAC is then
> left gated off.

FWIW Sashiko has some complaints:
https://netdev-ai.bots.linux.dev/sashiko/#/patchset/20260713074911.30090-1-vadikas@gmail.com
but that reads as a separate issue?

      parent reply	other threads:[~2026-07-21 22:42 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-13  7:49 [PATCH net v3] net: stmmac: enable the MAC on link up for all supported speeds vadik likholetov
2026-07-15 19:46 ` Jacob Keller
2026-07-15 20:15 ` Maxime Chevallier
2026-07-21 22:42 ` Jakub Kicinski [this message]

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