From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 42152C43603 for ; Mon, 9 Dec 2019 17:47:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 118092073D for ; Mon, 9 Dec 2019 17:47:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=lunn.ch header.i=@lunn.ch header.b="etZvBj1r" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726602AbfLIRrs (ORCPT ); Mon, 9 Dec 2019 12:47:48 -0500 Received: from vps0.lunn.ch ([185.16.172.187]:42822 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726502AbfLIRrr (ORCPT ); Mon, 9 Dec 2019 12:47:47 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lunn.ch; s=20171124; h=In-Reply-To:Content-Type:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Sender:Reply-To:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=iUBWFcQR3dwW8p3hoT+3tnKrFTVwMb/vRUvHUFDJhiU=; b=etZvBj1rK0ltD8lGoI0QT5VoiN 5OJnNyWnB6JYs1nETpV+8/f0sfoGac2byI8/fHMF0RxaCnEM8DLCbcgBOidrTs8qKq9Nka90aU9dG vufxVy8mfwpHFal8nZ5csRgxYrsDpCMX3fvqkTK5yaLIJrYHLCwEhu7pTbknEQbLwWic=; Received: from andrew by vps0.lunn.ch with local (Exim 4.92.2) (envelope-from ) id 1ieN8K-0006uF-1x; Mon, 09 Dec 2019 18:47:44 +0100 Date: Mon, 9 Dec 2019 18:47:44 +0100 From: Andrew Lunn To: Russell King Cc: Florian Fainelli , Heiner Kallweit , "David S. Miller" , netdev@vger.kernel.org Subject: Re: [PATCH net-next 4/4] net: sfp: re-attempt probing for phy Message-ID: <20191209174744.GJ9099@lunn.ch> References: <20191209141525.GK25745@shell.armlinux.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Mon, Dec 09, 2019 at 02:16:11PM +0000, Russell King wrote: > Some 1000BASE-T PHY modules take a while for the PHY to wake up. > Retry the probe a number of times before deciding that the module has > no PHY. > > Tested with: > Sourcephotonics SPGBTXCNFC - PHY takes less than 50ms to respond. > Champion One 1000SFPT - PHY takes about 200ms to respond. > Mikrotik S-RJ01 - no PHY > > Signed-off-by: Russell King Reviewed-by: Andrew Lunn Andrew