From patchwork Thu Oct 27 13:10:52 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: 13022138 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 1F7D7FA3740 for ; Thu, 27 Oct 2022 13:17:36 +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=yVY0aNBi2uX3F3FjDOJpYswCa2rTCbs26GaqXubXw5k=; b=2Nda/AhABWechGTI5BoVnvByrk 3UepvaL99rM4HtIuQZRZn32zhYkoKoacUNsh7952UczoLdSLTDqt5w9t99JRGxjRFAx0pUgVjVgoG 8YmtS6umG5BuxzXGIX3gJx9sDgrxBpUi9OqxerDEnsvXn12whgdG2P1Q9YF4M3H6LYae0aAqv16wb G3Urfv6IivwwAinMwnsoWteqzB5oC+cTuMt/4OwABc42w3aPZwLY+jK+0aHu6rKRwyxERfktTLYFr DtGMNAnTyLQ1YXydRf472PCDZDh8qt90UPt3fUzJkTCC/qnBVJzPNwoZOz6dQZNHH+zmxTcEGdJGC 2nVlK3Gg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oo2lD-00DPdD-KB; Thu, 27 Oct 2022 13:17:27 +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 1oo2ev-00DMu9-Ug; Thu, 27 Oct 2022 13:10:59 +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=yVY0aNBi2uX3F3FjDOJpYswCa2rTCbs26GaqXubXw5k=; b=O2wbEizpVC4vYrkOjkunyHRIyY gVCSSxLZZRy7pDzxeFdCgSJS1XIX6ORcMjjHoZx2NHKH2vpwMBuHe55CaD40Db87ukQyq6X1yuGfh xl24ntdAxW3caGcwc6h1lQ+KKl9EaU4LKamlkYvad2JqiArDM7/hQh/vHJvpNMtLBFowzDcpHN4ya WxdIlqiPbBkPae0iaG8bGdtfWuD9C5Ixltb+875O9ZaedoYaVGRuO78DetEBquInM3I/7XYe3DaCH ALVRjGHCL1JxSqSTcBz3CxsR3aKRIcjBvSd63w99nsPIw+cnGLxpzdxpsTZYmQc+y0zOPIZZVBN7l wezNlqpg==; Received: from e0022681537dd.dyn.armlinux.org.uk ([fd8f:7570:feb6:1:222:68ff:fe15:37dd]:52994 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 1oo2er-0006yD-L0; Thu, 27 Oct 2022 14:10:53 +0100 Received: from rmk by rmk-PC.armlinux.org.uk with local (Exim 4.94.2) (envelope-from ) id 1oo2eq-00HF7w-ST; Thu, 27 Oct 2022 14:10:52 +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 04/11] net: mtk_eth_soc: add pcs_get_state() implementation MIME-Version: 1.0 Content-Disposition: inline Message-Id: Date: Thu, 27 Oct 2022 14:10:52 +0100 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221027_061058_299796_D0A71EBA X-CRM114-Status: GOOD ( 10.20 ) 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 a pcs_get_state() implementation which uses the advertisements to compute the resulting link modes, and BMSR contents to determine negotiation and link status. Signed-off-by: Russell King (Oracle) --- drivers/net/ethernet/mediatek/mtk_sgmii.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/drivers/net/ethernet/mediatek/mtk_sgmii.c b/drivers/net/ethernet/mediatek/mtk_sgmii.c index 7637ba16b44b..63785bd9a118 100644 --- a/drivers/net/ethernet/mediatek/mtk_sgmii.c +++ b/drivers/net/ethernet/mediatek/mtk_sgmii.c @@ -19,6 +19,20 @@ static struct mtk_pcs *pcs_to_mtk_pcs(struct phylink_pcs *pcs) return container_of(pcs, struct mtk_pcs, pcs); } +static void mtk_pcs_get_state(struct phylink_pcs *pcs, + struct phylink_link_state *state) +{ + struct mtk_pcs *mpcs = pcs_to_mtk_pcs(pcs); + unsigned int bm, adv; + + /* Read the BMSR and LPA */ + regmap_read(mpcs->regmap, SGMSYS_PCS_CONTROL_1, &bm); + regmap_read(mpcs->regmap, SGMSYS_PCS_ADVERTISE, &adv); + + phylink_mii_c22_pcs_decode_state(state, FIELD_GET(SGMII_BMSR, bm), + FIELD_GET(SGMII_LPA, adv)); +} + /* For SGMII interface mode */ static void mtk_pcs_setup_mode_an(struct mtk_pcs *mpcs) { @@ -117,6 +131,7 @@ static void mtk_pcs_link_up(struct phylink_pcs *pcs, unsigned int mode, } static const struct phylink_pcs_ops mtk_pcs_ops = { + .pcs_get_state = mtk_pcs_get_state, .pcs_config = mtk_pcs_config, .pcs_an_restart = mtk_pcs_restart_an, .pcs_link_up = mtk_pcs_link_up,