From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C52752E3701; Thu, 17 Jul 2025 00:20:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752711644; cv=none; b=evUdxu98/qQtoa2G9lneGYJARbCIoxuz6BgoZG3jayp9zGBKPWDhKxs0c8ESfhpaU1dI7urEJuZTHrywmG2ZP3Ni+QSWekhkCsYyAbdIJznFgttB71W+AqgTDanV98Ftm0SOZsj3QgqPtteg+NrbKMRBpzCiMxc97VEOIYAzSEg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752711644; c=relaxed/simple; bh=nWFxoukiglDbiZqiAdldrvFgESPD+QmMK1CjQSzvmz0=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=XQVyqTFDrgLCobn77VY+z63ty54myP82O5CQLthHw8CDqChr0iq6Zsh2ydp7LRPFItLLgZNPd0e52/2dVBANuFwgNwUptkHCpcmODnXCczWywGxEEbfgMI3Ek8Xk9PujSyYVfvV4Dj2oTvQ5EDZBWaWdGTk1NPEZ2T+EVoXGKnk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=mq7A5PVc; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="mq7A5PVc" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0CB04C4CEE7; Thu, 17 Jul 2025 00:20:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1752711644; bh=nWFxoukiglDbiZqiAdldrvFgESPD+QmMK1CjQSzvmz0=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=mq7A5PVcQTZotimT/FVBTU6+PvR1SEyfM6CiDgwtXB9wibeU/qWxucBDGVhTNTpFA Mi3vUw/VKGleuUsSRa5QV2cpfKcqyR2dMlOgj0BTvYp/kxWaaIBd3d8If55qPKx0Ad PV3gQLhyFjq3m/QAHNQVx7yjlJQK5PsvG7oDCmSt8fdfsyZWySKweo7XnEwZGCCRI/ 3EtBNRkcbDfm1plT1NmjappFAGMrz6/++UhWEmEe9RpHey0QZ/DTqXvCBRvfWt2OPv Y22nQG+ZaJqqX4tC2c5Y1z3mdvtL5NDeiVlR+PAzTsleCBcemreBoGzAI0SN1UzZJD Muh+frUxwcozw== Date: Wed, 16 Jul 2025 17:20:43 -0700 From: Jakub Kicinski To: Andrew Lunn Cc: Oleksij Rempel , Heiner Kallweit , "David S. Miller" , Eric Dumazet , Paolo Abeni , kernel@pengutronix.de, linux-kernel@vger.kernel.org, Russell King , netdev@vger.kernel.org, Andre Edich , Lukas Wunner Subject: Re: [PATCH net v4 0/3] net: phy: smsc: use IRQ + relaxed polling to fix missed link-up Message-ID: <20250716172043.195dd86c@kernel.org> In-Reply-To: <20250714095240.2807202-1-o.rempel@pengutronix.de> References: <20250714095240.2807202-1-o.rempel@pengutronix.de> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Mon, 14 Jul 2025 11:52:37 +0200 Oleksij Rempel wrote: > This series makes the SMSC LAN8700 (as used in LAN9512 and similar USB > adapters) reliable again in configurations where it is forced to 10 Mb/s > and the link partner still advertises autonegotiation. > > In this scenario, the PHY may miss the final link-up interrupt, causing > the network interface to remain down even though a valid link is > present. Could we get a PHY maintainer ack on these (especially patch 2)?