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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BB71DC32772 for ; Tue, 23 Aug 2022 17:41:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229600AbiHWRlD (ORCPT ); Tue, 23 Aug 2022 13:41:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51370 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229537AbiHWRkR (ORCPT ); Tue, 23 Aug 2022 13:40:17 -0400 Received: from pandora.armlinux.org.uk (pandora.armlinux.org.uk [IPv6:2001:4d48:ad52:32c8:5054:ff:fe00:142]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7FC333AE59; Tue, 23 Aug 2022 08:28:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Sender:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date: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=2Rl6PT1536lA2IP06YI5LrnFMzs1N1iwWlAcF8miKJ4=; b=UuDNQGRbnDfbUd/dTOHyoFNsug ySjHNNXvPl5QocbaJbT/BU33sKvz0veJEl8H+Kh2JI1YfGzM+xgusg/EeYSrBULWGMvl/1WsVI4WZ a3SHRDdjb8nnjl39oCCwPOi5/D+STPY5Gm+BXpJDwmHTJb0klkNtdUif3HLw3fFVYdUR3tMK7OfLE RKZfuDt5yh5MiBdDWu4gVV0HCVWXw/ab3A/FJZa+P86RDzee397qzSuRTcxtfhHqjYqHyIgDTFtlV /vREv5cn8A0uu63W5+VJx+K2wtXB41ZIPKf+yfxR/nrjtUmN/ePsNKQ1rjhNZQzM9HJyqwDhjmAXn AhKJktKw==; Received: from shell.armlinux.org.uk ([fd8f:7570:feb6:1:5054:ff:fe00:4ec]:33896) by pandora.armlinux.org.uk with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1oQVph-0003LE-16; Tue, 23 Aug 2022 16:28:49 +0100 Received: from linux by shell.armlinux.org.uk with local (Exim 4.94.2) (envelope-from ) id 1oQVpg-0003FV-0u; Tue, 23 Aug 2022 16:28:48 +0100 Date: Tue, 23 Aug 2022 16:28:47 +0100 From: "Russell King (Oracle)" To: Alexander Couzens Cc: Felix Fietkau , John Crispin , Sean Wang , Mark Lee , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Matthias Brugger , netdev@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, Daniel Golle Subject: Re: [PATCH 3/4] net: mediatek: sgmii: mtk_pcs_setup_mode_an: don't rely on register defaults Message-ID: References: <20220820224538.59489-1-lynxis@fe80.eu> <20220820224538.59489-4-lynxis@fe80.eu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220820224538.59489-4-lynxis@fe80.eu> Sender: Russell King (Oracle) Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Sun, Aug 21, 2022 at 12:45:37AM +0200, Alexander Couzens wrote: > Ensure autonegotiation is enabled. > > Signed-off-by: Alexander Couzens > --- > drivers/net/ethernet/mediatek/mtk_sgmii.c | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) > > diff --git a/drivers/net/ethernet/mediatek/mtk_sgmii.c b/drivers/net/ethernet/mediatek/mtk_sgmii.c > index 782812434367..aa69baf1a42f 100644 > --- a/drivers/net/ethernet/mediatek/mtk_sgmii.c > +++ b/drivers/net/ethernet/mediatek/mtk_sgmii.c > @@ -32,12 +32,13 @@ static int mtk_pcs_setup_mode_an(struct mtk_pcs *mpcs) > regmap_write(mpcs->regmap, SGMSYS_PCS_LINK_TIMER, > SGMII_LINK_TIMER_DEFAULT); > > + /* disable remote fault & enable auto neg */ > regmap_read(mpcs->regmap, SGMSYS_SGMII_MODE, &val); > - val |= SGMII_REMOTE_FAULT_DIS; > + val |= SGMII_REMOTE_FAULT_DIS | SGMII_SPEED_DUPLEX_AN; Does SGMII_SPEED_DUPLEX_AN need to be cleared in mtk_pcs_setup_mode_force(), so mtk_pcs_link_up() can force the duplex setting for base-X protocols? -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!