From patchwork Thu May 21 17:47:37 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Murphy X-Patchwork-Id: 218805 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=-9.9 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 D525EC433DF for ; Thu, 21 May 2020 17:47:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B331D207F7 for ; Thu, 21 May 2020 17:47:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="Y3U3iIHd" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730053AbgEURrz (ORCPT ); Thu, 21 May 2020 13:47:55 -0400 Received: from lelv0142.ext.ti.com ([198.47.23.249]:57168 "EHLO lelv0142.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729972AbgEURrx (ORCPT ); Thu, 21 May 2020 13:47:53 -0400 Received: from fllv0035.itg.ti.com ([10.64.41.0]) by lelv0142.ext.ti.com (8.15.2/8.15.2) with ESMTP id 04LHljok017997; Thu, 21 May 2020 12:47:45 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1590083265; bh=Flh0goqgDng7jM1nNd4yAiC2nJe1NMBBFdYh80Rm9b0=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=Y3U3iIHdZYPzFloiaxDopEXYQhzkHzqWn+u4IGF3yrAzw9+TYEahnAEt9C96Xch/3 nshi3Jb9SW2MeCRO0xjF1tnKsInNe3P2R/TWajLtDr6qufN17QyVo0ZSH1B8sJ/Ksz JwpBWLerXtw9nvVG4BKJ7afgMNYlXg5snS+jIw4o= Received: from DLEE109.ent.ti.com (dlee109.ent.ti.com [157.170.170.41]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTP id 04LHljre119194; Thu, 21 May 2020 12:47:45 -0500 Received: from DLEE114.ent.ti.com (157.170.170.25) by DLEE109.ent.ti.com (157.170.170.41) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Thu, 21 May 2020 12:47:45 -0500 Received: from lelv0326.itg.ti.com (10.180.67.84) by DLEE114.ent.ti.com (157.170.170.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Thu, 21 May 2020 12:47:45 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id 04LHlj0F037554; Thu, 21 May 2020 12:47:45 -0500 From: Dan Murphy To: , , , CC: , , , Dan Murphy Subject: [PATCH net-next v3 1/2] net: phy: dp83869: Update port-mirroring to read straps Date: Thu, 21 May 2020 12:47:37 -0500 Message-ID: <20200521174738.3151-2-dmurphy@ti.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200521174738.3151-1-dmurphy@ti.com> References: <20200521174738.3151-1-dmurphy@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org The device tree may not have the property set for port mirroring because the hardware may have it strapped. If the property is not in the DT then check the straps and set the port mirroring bit appropriately. Reviewed-by: Florian Fainelli Signed-off-by: Dan Murphy --- drivers/net/phy/dp83869.c | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) diff --git a/drivers/net/phy/dp83869.c b/drivers/net/phy/dp83869.c index 7996a4aea8d2..073a0f7754a5 100644 --- a/drivers/net/phy/dp83869.c +++ b/drivers/net/phy/dp83869.c @@ -66,6 +66,7 @@ /* STRAP_STS1 bits */ #define DP83869_STRAP_STS1_RESERVED BIT(11) +#define DP83869_STRAP_MIRROR_ENABLED BIT(12) /* PHYCTRL bits */ #define DP83869_RX_FIFO_SHIFT 12 @@ -191,10 +192,18 @@ static int dp83869_of_init(struct phy_device *phydev) else if (of_property_read_bool(of_node, "ti,min-output-impedance")) dp83869->io_impedance = DP83869_IO_MUX_CFG_IO_IMPEDANCE_MIN; - if (of_property_read_bool(of_node, "enet-phy-lane-swap")) + if (of_property_read_bool(of_node, "enet-phy-lane-swap")) { dp83869->port_mirroring = DP83869_PORT_MIRRORING_EN; - else - dp83869->port_mirroring = DP83869_PORT_MIRRORING_DIS; + } else { + /* If the lane swap is not in the DT then check the straps */ + ret = phy_read_mmd(phydev, DP83869_DEVADDR, DP83869_STRAP_STS1); + if (ret < 0) + return ret; + if (ret & DP83869_STRAP_MIRROR_ENABLED) + dp83869->port_mirroring = DP83869_PORT_MIRRORING_EN; + else + dp83869->port_mirroring = DP83869_PORT_MIRRORING_DIS; + } if (of_property_read_u32(of_node, "rx-fifo-depth", &dp83869->rx_fifo_depth))