From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from metis.whiteo.stw.pengutronix.de (metis.whiteo.stw.pengutronix.de [185.203.201.7]) (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 4CF6B28DD1 for ; Fri, 4 Oct 2024 16:46:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.203.201.7 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728060391; cv=none; b=WIYrCgS0wAAeOvBXo3+YHBuVlptaul3xWgyAazmIqD4EgaABdZleIteQ0Cq1EAgFx6lVJ8N6Sgz9iuL1igzPVpdGDn3ZZXJVyngsYPzm632wc3cLPr/s+4aPLma8m5w0yMej3Dq0GDgrojgwnFLnwEodArYd/cWzYeyJIJOYEVc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728060391; c=relaxed/simple; bh=ylnnfKvetf93g2DUN//euZqD3scWcX/30/I9+Vkfp5Y=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=FXUD3wIEDkkrYIfKJ14z7Cey/0R6vBSnOGuQPmyS/Ix5sbUAY/aDhI4j0SI4QsXoluQH8ACV2OhpdgNhUZXQigK5yMkTHvlsas5kS6+L782SUy7/qE9TI0vHTSt8XKqOwiBd0iDVWwkMai1kB1bU/8eEexGB0YO8kinZLBmnDtw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de; spf=pass smtp.mailfrom=pengutronix.de; arc=none smtp.client-ip=185.203.201.7 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=pengutronix.de Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1swlRf-0000as-FV; Fri, 04 Oct 2024 18:46:23 +0200 Received: from [2a0a:edc0:2:b01:1d::c5] (helo=pty.whiteo.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1swlRc-003daH-BK; Fri, 04 Oct 2024 18:46:20 +0200 Received: from ore by pty.whiteo.stw.pengutronix.de with local (Exim 4.96) (envelope-from ) id 1swlRc-00AkA7-0n; Fri, 04 Oct 2024 18:46:20 +0200 Date: Fri, 4 Oct 2024 18:46:20 +0200 From: Oleksij Rempel To: Maxime Chevallier Cc: davem@davemloft.net, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, thomas.petazzoni@bootlin.com, Andrew Lunn , Jakub Kicinski , Eric Dumazet , Paolo Abeni , Russell King , linux-arm-kernel@lists.infradead.org, Christophe Leroy , Herve Codina , Florian Fainelli , Heiner Kallweit , Vladimir Oltean , Marek =?utf-8?B?QmVow7pu?= , =?utf-8?B?S8O2cnk=?= Maincent Subject: Re: [PATCH net-next v2 3/9] net: phy: Allow PHY drivers to report isolation support Message-ID: References: <20241004161601.2932901-1-maxime.chevallier@bootlin.com> <20241004161601.2932901-4-maxime.chevallier@bootlin.com> 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=utf-8 Content-Disposition: inline In-Reply-To: <20241004161601.2932901-4-maxime.chevallier@bootlin.com> X-Sent-From: Pengutronix Hildesheim X-URL: http://www.pengutronix.de/ X-Accept-Language: de,en X-Accept-Content-Type: text/plain X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: ore@pengutronix.de X-SA-Exim-Scanned: No (on metis.whiteo.stw.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org On Fri, Oct 04, 2024 at 06:15:53PM +0200, Maxime Chevallier wrote: > Some PHYs have malfunctionning isolation modes, where the MII lines > aren't correctly set in high-impedance, potentially interfering with the > MII bus in unexpected ways. Some other PHYs simply don't support it. Do we have in this case multiple isolation variants like high-impedance and "the other one"? :) Do the "the other one" is still usable for some cases like Wake on LAN without shared xMII? I'm just curios. Regards, Oleksij -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |