From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from relay4-d.mail.gandi.net (relay4-d.mail.gandi.net [217.70.183.196]) (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 1C41E381C7; Fri, 15 Dec 2023 15:39:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="cUtNrFUl" Received: by mail.gandi.net (Postfix) with ESMTPSA id 38FAFE0002; Fri, 15 Dec 2023 15:39:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1702654750; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=HNahJ5sqSJhrwkBDC1RIAjVtG6sff4pIl2AnUrYvSNA=; b=cUtNrFUlD/0D/xAiAtOLaWX1JZ+RunFsT68wDPh3WnQ36Z7Brrq8dFphBoHjQWPx+h346I Ip9vDdJl49ZoQxFUCiZD8Xf1Zen9RiazHId0K0u8kMZm2L/7SmetLkk3/zbYW63Rp41sEo B3ZNnSoqE3OLOyrYGexXUpWyicicjn0/3ngnp1yspHdb8DxtWYih6Lgnkm9/kD7N+/DOSh /KVkw/gS7LcNLEpzR2mbt9v1oA1FF/FsDIl5t1HdB8zvJEZcNOojQAafWtgIKHlBxY/MqT BZJD+Nh/KEANB3LKcDRBn5BKzXRg3BBLtKkZZc71Ibv5NhRDENDB8xrxaVGzaQ== Date: Fri, 15 Dec 2023 16:39:07 +0100 From: Maxime Chevallier To: Andrew Lunn Cc: "Russell King (Oracle)" , Paolo Abeni , Daniel Golle , Heiner Kallweit , "David S. Miller" , Eric Dumazet , Jakub Kicinski , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH net] net: phy: skip LED triggers on PHYs on SFP modules Message-ID: <20231215163907.7dbd5769@device-28.home> In-Reply-To: <20231215105928.74608001@device-28.home> References: <102a9dce38bdf00215735d04cd4704458273ad9c.1702339354.git.daniel@makrotopia.org> <20231212153512.67a7a35b@device.home> <6dd8d8b62d6db979d6c2197a4091ebc768e6610a.camel@redhat.com> <37a66b85-3980-4553-8447-d040404bbc11@lunn.ch> <20231215105928.74608001@device-28.home> Organization: Bootlin X-Mailer: Claws Mail 4.1.1 (GTK 3.24.38; x86_64-redhat-linux-gnu) Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-GND-Sasl: maxime.chevallier@bootlin.com Hi all, On Fri, 15 Dec 2023 10:59:28 +0100 Maxime Chevallier wrote: > Hi Andrew, > > On Fri, 15 Dec 2023 10:46:18 +0100 > Andrew Lunn wrote: > > So, if i'm reading this patch correctly, it only affects PHYs within > > SFPs. > > > > The discussion went off on a tangent and also talked about media > > converter PHYs, but from my reading of this patch, they are unaffected > > by this patch. Do they however also suffer from this deadlock? Anybody > > tested that? > I gave it a try with lockdep on a macchiatobin, but I couldn't even reproduce the original issue (tested with the tip of net-next and net), so I can't tell if the media-converter PHYs are affected as well. I got no lockdep warnings regarding either paths. Maxime