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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7944EC433EF for ; Thu, 7 Oct 2021 17:51:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 62AB161260 for ; Thu, 7 Oct 2021 17:51:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243131AbhJGRw7 (ORCPT ); Thu, 7 Oct 2021 13:52:59 -0400 Received: from vps0.lunn.ch ([185.16.172.187]:54760 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242977AbhJGRwz (ORCPT ); Thu, 7 Oct 2021 13:52:55 -0400 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=n+9Q0lnjSmnVTKyzJlqvdKH6GvqeAWthJKePHa0mVgA=; b=MnXdsji755W3XzL7MY71VZZOB+ cpExZgr7+iNjLuPxbNhz9K4ojOslf8jadeR99ptZMo4/4pwISAEEi2iu/7tJr0LobpUZNi6Hxl26F KkpN0cT09aUV0NoOqUjA2sm6sh7xV4RSJBNFh11y3BQrmJA746FTcIVixFxbqxHXZK4k=; Received: from andrew by vps0.lunn.ch with local (Exim 4.94.2) (envelope-from ) id 1mYXXi-009yex-Dk; Thu, 07 Oct 2021 19:50:54 +0200 Date: Thu, 7 Oct 2021 19:50:54 +0200 From: Andrew Lunn To: Francesco Dolcini Cc: Heiner Kallweit , Russell King , "David S. Miller" , Jakub Kicinski , philippe.schenker@toradex.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH net-next v2] net: phy: micrel: ksz9131 led errata workaround Message-ID: References: <20211007164535.657245-1-francesco.dolcini@toradex.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20211007164535.657245-1-francesco.dolcini@toradex.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Oct 07, 2021 at 06:45:35PM +0200, Francesco Dolcini wrote: > Micrel KSZ9131 PHY LED behavior is not correct when configured in > Individual Mode, LED1 (Activity LED) is in the ON state when there is > no-link. > > Workaround this by setting bit 9 of register 0x1e after verifying that > the LED configuration is Individual Mode. > > This issue is described in KSZ9131RNX Silicon Errata DS80000693B [*] > and according to that it will not be corrected in a future silicon > revision. > > [*] https://ww1.microchip.com/downloads/en/DeviceDoc/KSZ9131RNX-Silicon-Errata-and-Data-Sheet-Clarification-80000863B.pdf > > Signed-off-by: Francesco Dolcini Reviewed-by: Andrew Lunn Andrew