From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from vps0.lunn.ch (vps0.lunn.ch [156.67.10.101]) (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 208301A76BB; Wed, 17 Sep 2025 12:49:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=156.67.10.101 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758113399; cv=none; b=JELSbO+qt+WhYchxuwCjfZf+KP03t/Y+y1dRRA/t8Sl/QVa64nB0xqfCweg1OFGEWegek+ZTkVRNWD0QX/FytWawgEBB8wSwZlG3O6XHNrERe1Sn7lOoLqwJlsaJ35cBaLl8uQn5FlX3EUOoxU8QXtWzQkOjvbbiIlqqLAxxRZQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758113399; c=relaxed/simple; bh=sHei6uVHnE2QzMvQFzab7qbk3dhyqGbXW9tH7AkJOrA=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=GdNCouCCtQPmecTD567DdKeD49zPnD8/NJdKHp1Nvu/zcSE31L+ZE4Kf5z4eD0vz0nKUbZW9BgmwL2vmMqXtgRA3hHfDDbpPkCe0+Bd0kJC+VxMrPxVUlhRG7AL/0Rm75G96qT9C3PCSLSpPDXhAuVv5A2JEPC3SJNECpvG9L9I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lunn.ch; spf=pass smtp.mailfrom=lunn.ch; dkim=pass (1024-bit key) header.d=lunn.ch header.i=@lunn.ch header.b=U7QIVbC2; arc=none smtp.client-ip=156.67.10.101 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lunn.ch Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=lunn.ch Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=lunn.ch header.i=@lunn.ch header.b="U7QIVbC2" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lunn.ch; s=20171124; h=In-Reply-To:Content-Disposition:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:From:Sender:Reply-To:Subject: Date:Message-ID:To:Cc:MIME-Version:Content-Type:Content-Transfer-Encoding: Content-ID:Content-Description:Content-Disposition:In-Reply-To:References; bh=b1ZOPZrGB3gzRi4MB+vIpGB9lVTWlQxCvO5gF7adQPM=; b=U7QIVbC206yGoi65q3TKXphFGU SG8D0LKxVrD+qDanFBsHnJrxOh1WA+kyFd41zpO71bf9KuzjzBdmnoUf8TCGqqF02K64NJ+dXr+yU johy32FdCmgxeEXfsz4bHI0SVYTGs7umE3Txzipa/G60yp9hCE2Ofk+BeJ6gcQgEoO7s=; Received: from andrew by vps0.lunn.ch with local (Exim 4.94.2) (envelope-from ) id 1uyrbY-008gNy-Oo; Wed, 17 Sep 2025 14:49:48 +0200 Date: Wed, 17 Sep 2025 14:49:48 +0200 From: Andrew Lunn To: Horatiu Vultur Cc: hkallweit1@gmail.com, linux@armlinux.org.uk, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH net-next v3] net: phy: micrel: Add Fast link failure support for lan8842 Message-ID: <7fee1c03-63c5-4847-b24a-e46bbdcaa42e@lunn.ch> References: <20250917104630.3931969-1-horatiu.vultur@microchip.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=us-ascii Content-Disposition: inline In-Reply-To: <20250917104630.3931969-1-horatiu.vultur@microchip.com> On Wed, Sep 17, 2025 at 12:46:30PM +0200, Horatiu Vultur wrote: > Add support for fast link failure for lan8842, when this is enabled the > PHY will detect link down immediately (~1ms). The disadvantage of this > is that also small instability might be reported as link down. > Therefore add this feature as a tunable configuration and the user will > know when to enable or not. By default it is not enabled. > > Signed-off-by: Horatiu Vultur Reviewed-by: Andrew Lunn Andrew