From patchwork Thu Oct 27 13:11:03 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Russell King (Oracle)" X-Patchwork-Id: 13022140 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9F6F0FA3740 for ; Thu, 27 Oct 2022 13:19:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Date:Message-Id:Content-Type :Content-Transfer-Encoding:MIME-Version:Subject:Cc:To:From:References: In-Reply-To:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=qB0h6wHZwGG6CkzRFicqY/YPbAS2ounhtVu6YgW3du4=; b=0dwnbIwjw2pmtNlXlrr53GDZtU ma+ZGgQMgicuDBdLvfuDqJc7ZjlV0GISvNtX0JWprixKadXoMKUvj+v09iyxqofc99h+VcSCEzZ+u f+hlPSOkF6lZbYcpnRb/hL970qQBuwBwW6w1j90jwprHqzfBKP1Dy7ibmf7geG8oFQ4sPHG+H2s/e hC/MxhNVE2EYFimggSFT6kcECzvIKInuSSVQ29ssQ+BLb43MjRpVM6gfKxWbcEKVFLA0wwGS67SPR KgMffurCk7x1TEpxQcaotXXX4s3OGMykHZO0XGO6m6FZ9mrgaa80/YRinVI2mMEJ2C1E6wvfXja9R J40tuDjQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oo2mi-00DQUk-NI; Thu, 27 Oct 2022 13:19:00 +0000 Received: from pandora.armlinux.org.uk ([2001:4d48:ad52:32c8:5054:ff:fe00:142]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oo2f4-00DMyy-3e; Thu, 27 Oct 2022 13:11:07 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Date:Sender:Message-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:Subject:Cc:To:From:References: In-Reply-To:Reply-To: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=qB0h6wHZwGG6CkzRFicqY/YPbAS2ounhtVu6YgW3du4=; b=ewQqlWvPlZHwlkrPQW6P7vTqYt uXjj9u+lfZfkGNhmWFO2kex1sEZ8FIdrO4EURU+hVBuA2y4BZblqZXwwO6ws6+77W/99mVWmNQjjL p/YMSzhNdriqXV7EnXs7tm13Z6BNMVDT9kvAm+7UbYe1bFukuQR3leUPCOktKLeuU1wD4ePkncmc0 duyy2AoItFEDmZRe4WofBGPngbvpHWkmxLewcGJ1fYqIvlAtX08pyvxzxLI8l7XrRbFGRVj9gKVQR 5Qa3dWOv5VyynGGNdEoToLMSCKgxcguevWmeiZGr5l1xltKyzp/Y5eaa9hEQx/RzaoBUrjplSDj4i BoQQLNoA==; Received: from e0022681537dd.dyn.armlinux.org.uk ([fd8f:7570:feb6:1:222:68ff:fe15:37dd]:36750 helo=rmk-PC.armlinux.org.uk) 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 1oo2f1-0006yo-OM; Thu, 27 Oct 2022 14:11:03 +0100 Received: from rmk by rmk-PC.armlinux.org.uk with local (Exim 4.94.2) (envelope-from ) id 1oo2f1-00HF88-4n; Thu, 27 Oct 2022 14:11:03 +0100 In-Reply-To: References: From: "Russell King (Oracle)" To: "David S. Miller" , Jakub Kicinski , Frank Wunderlich Cc: Eric Dumazet , Felix Fietkau , John Crispin , linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Mark Lee , Matthias Brugger , netdev@vger.kernel.org, Paolo Abeni , Sean Wang Subject: [PATCH net-next 06/11] net: mtk_eth_soc: add out of band forcing of speed and duplex in pcs_link_up MIME-Version: 1.0 Content-Disposition: inline Message-Id: Date: Thu, 27 Oct 2022 14:11:03 +0100 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221027_061106_171773_97782CE8 X-CRM114-Status: GOOD ( 13.51 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Add support for forcing the link speed and duplex setting in the pcs_link_up() method for out of band modes, which will be useful when we finish converting the pcs_config() method. Until then, we still have to force duplex for 802.3z modes to work correctly. Signed-off-by: Russell King (Oracle) --- drivers/net/ethernet/mediatek/mtk_sgmii.c | 28 ++++++++++++++--------- 1 file changed, 17 insertions(+), 11 deletions(-) diff --git a/drivers/net/ethernet/mediatek/mtk_sgmii.c b/drivers/net/ethernet/mediatek/mtk_sgmii.c index 868ff0b2e036..d26a0ba2e47b 100644 --- a/drivers/net/ethernet/mediatek/mtk_sgmii.c +++ b/drivers/net/ethernet/mediatek/mtk_sgmii.c @@ -108,17 +108,23 @@ static void mtk_pcs_link_up(struct phylink_pcs *pcs, unsigned int mode, struct mtk_pcs *mpcs = pcs_to_mtk_pcs(pcs); unsigned int sgm_mode; - if (!phy_interface_mode_is_8023z(interface)) - return; - - /* SGMII force duplex setting */ - if (duplex == DUPLEX_FULL) - sgm_mode = SGMII_DUPLEX_FULL; - else - sgm_mode = 0; - - regmap_update_bits(mpcs->regmap, SGMSYS_SGMII_MODE, - SGMII_DUPLEX_FULL, sgm_mode); + if (!phylink_autoneg_inband(mode) || + phy_interface_mode_is_8023z(interface)) { + /* Force the speed and duplex setting */ + if (speed == SPEED_10) + sgm_mode = SGMII_SPEED_10; + else if (speed == SPEED_100) + sgm_mode = SGMII_SPEED_100; + else + sgm_mode = SGMII_SPEED_1000; + + if (duplex == DUPLEX_FULL) + sgm_mode |= SGMII_DUPLEX_FULL; + + regmap_update_bits(mpcs->regmap, SGMSYS_SGMII_MODE, + SGMII_DUPLEX_FULL | SGMII_SPEED_MASK, + sgm_mode); + } } static const struct phylink_pcs_ops mtk_pcs_ops = {