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 X-Spam-Level: X-Spam-Status: No, score=-12.9 required=3.0 tests=BAYES_00,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 4B720C433E7 for ; Thu, 15 Oct 2020 12:49:00 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6BABA22258 for ; Thu, 15 Oct 2020 12:48:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=yadro.com header.i=@yadro.com header.b="Ah2rJk7F" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6BABA22258 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=yadro.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=openbmc-bounces+openbmc=archiver.kernel.org@lists.ozlabs.org Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 4CBpxh6dFczDqSN for ; Thu, 15 Oct 2020 23:48:56 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=yadro.com (client-ip=89.207.88.252; helo=mta-01.yadro.com; envelope-from=i.mikhaylov@yadro.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=yadro.com Authentication-Results: lists.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=yadro.com header.i=@yadro.com header.a=rsa-sha256 header.s=mta-01 header.b=Ah2rJk7F; dkim-atps=neutral Received: from mta-01.yadro.com (mta-02.yadro.com [89.207.88.252]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4CBpsb1j3dzDqTk for ; Thu, 15 Oct 2020 23:45:22 +1100 (AEDT) Received: from localhost (unknown [127.0.0.1]) by mta-01.yadro.com (Postfix) with ESMTP id EDF7E41396; Thu, 15 Oct 2020 12:45:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=yadro.com; h= content-type:content-type:content-transfer-encoding:mime-version :references:in-reply-to:x-mailer:message-id:date:date:subject :subject:from:from:received:received:received; s=mta-01; t= 1602765916; x=1604580317; bh=HjkrAT/hd5J/bMoGwraXOWQZTqYpdzhOcCV /jkrTzH8=; b=Ah2rJk7FtV0ENsHLFYi1TsVStl90v0Og8VIqO+H3BvKdfMwLAy+ z6HWIaSOSdswKFIEqoyTtGQ82p5hjwnbHjFQ5ZKUIVIqM9rTTE9n+xUuUKjk9lhX vy2KjRYzVw5xMpZvPR8NS7BQ0V/nWnI9bf6pmaP1giI0yLEbmalkMOp4= X-Virus-Scanned: amavisd-new at yadro.com Received: from mta-01.yadro.com ([127.0.0.1]) by localhost (mta-01.yadro.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id SD3Zd0XOOFqr; Thu, 15 Oct 2020 15:45:16 +0300 (MSK) Received: from T-EXCH-04.corp.yadro.com (t-exch-04.corp.yadro.com [172.17.100.104]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mta-01.yadro.com (Postfix) with ESMTPS id 299D04139A; Thu, 15 Oct 2020 15:45:16 +0300 (MSK) Received: from localhost.dev.yadro.com (10.199.2.186) by T-EXCH-04.corp.yadro.com (172.17.100.104) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.669.32; Thu, 15 Oct 2020 15:45:10 +0300 From: Ivan Mikhaylov To: "David S . Miller" , Jakub Kicinski , Po-Yu Chuang Subject: [PATCH v1 1/2] net: ftgmac100: move phy connect out from ftgmac100_setup_mdio Date: Thu, 15 Oct 2020 15:49:16 +0300 Message-ID: <20201015124917.8168-2-i.mikhaylov@yadro.com> X-Mailer: git-send-email 2.21.1 In-Reply-To: <20201015124917.8168-1-i.mikhaylov@yadro.com> References: <20201015124917.8168-1-i.mikhaylov@yadro.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.199.2.186] X-ClientProxiedBy: T-EXCH-01.corp.yadro.com (172.17.10.101) To T-EXCH-04.corp.yadro.com (172.17.100.104) X-BeenThere: openbmc@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development list for OpenBMC List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Ivan Mikhaylov , netdev@vger.kernel.org, openbmc@lists.ozlabs.org, linux-kernel@vger.kernel.org Errors-To: openbmc-bounces+openbmc=archiver.kernel.org@lists.ozlabs.org Sender: "openbmc" Split MDIO registration and PHY connect into ftgmac100_setup_mdio and ftgmac100_mii_probe. Signed-off-by: Ivan Mikhaylov --- drivers/net/ethernet/faraday/ftgmac100.c | 92 ++++++++++++------------ 1 file changed, 47 insertions(+), 45 deletions(-) diff --git a/drivers/net/ethernet/faraday/ftgmac100.c b/drivers/net/ethernet/faraday/ftgmac100.c index 87236206366f..6997e121824b 100644 --- a/drivers/net/ethernet/faraday/ftgmac100.c +++ b/drivers/net/ethernet/faraday/ftgmac100.c @@ -1044,11 +1044,47 @@ static void ftgmac100_adjust_link(struct net_device *netdev) schedule_work(&priv->reset_task); } -static int ftgmac100_mii_probe(struct ftgmac100 *priv, phy_interface_t intf) +static int ftgmac100_mii_probe(struct net_device *netdev) { - struct net_device *netdev = priv->netdev; + struct ftgmac100 *priv = netdev_priv(netdev); + struct platform_device *pdev = to_platform_device(priv->dev); + struct device_node *np = pdev->dev.of_node; + phy_interface_t phy_intf = PHY_INTERFACE_MODE_RGMII; struct phy_device *phydev; + /* Get PHY mode from device-tree */ + if (np) { + /* Default to RGMII. It's a gigabit part after all */ + phy_intf = of_get_phy_mode(np, &phy_intf); + if (phy_intf < 0) + phy_intf = PHY_INTERFACE_MODE_RGMII; + + /* Aspeed only supports these. I don't know about other IP + * block vendors so I'm going to just let them through for + * now. Note that this is only a warning if for some obscure + * reason the DT really means to lie about it or it's a newer + * part we don't know about. + * + * On the Aspeed SoC there are additionally straps and SCU + * control bits that could tell us what the interface is + * (or allow us to configure it while the IP block is held + * in reset). For now I chose to keep this driver away from + * those SoC specific bits and assume the device-tree is + * right and the SCU has been configured properly by pinmux + * or the firmware. + */ + if (priv->is_aspeed && + phy_intf != PHY_INTERFACE_MODE_RMII && + phy_intf != PHY_INTERFACE_MODE_RGMII && + phy_intf != PHY_INTERFACE_MODE_RGMII_ID && + phy_intf != PHY_INTERFACE_MODE_RGMII_RXID && + phy_intf != PHY_INTERFACE_MODE_RGMII_TXID) { + netdev_warn(netdev, + "Unsupported PHY mode %s !\n", + phy_modes(phy_intf)); + } + } + phydev = phy_find_first(priv->mii_bus); if (!phydev) { netdev_info(netdev, "%s: no PHY found\n", netdev->name); @@ -1056,7 +1092,7 @@ static int ftgmac100_mii_probe(struct ftgmac100 *priv, phy_interface_t intf) } phydev = phy_connect(netdev, phydev_name(phydev), - &ftgmac100_adjust_link, intf); + &ftgmac100_adjust_link, phy_intf); if (IS_ERR(phydev)) { netdev_err(netdev, "%s: Could not attach to PHY\n", netdev->name); @@ -1601,7 +1637,6 @@ static int ftgmac100_setup_mdio(struct net_device *netdev) { struct ftgmac100 *priv = netdev_priv(netdev); struct platform_device *pdev = to_platform_device(priv->dev); - phy_interface_t phy_intf = PHY_INTERFACE_MODE_RGMII; struct device_node *np = pdev->dev.of_node; int i, err = 0; u32 reg; @@ -1623,39 +1658,6 @@ static int ftgmac100_setup_mdio(struct net_device *netdev) iowrite32(reg, priv->base + FTGMAC100_OFFSET_REVR); } - /* Get PHY mode from device-tree */ - if (np) { - /* Default to RGMII. It's a gigabit part after all */ - err = of_get_phy_mode(np, &phy_intf); - if (err) - phy_intf = PHY_INTERFACE_MODE_RGMII; - - /* Aspeed only supports these. I don't know about other IP - * block vendors so I'm going to just let them through for - * now. Note that this is only a warning if for some obscure - * reason the DT really means to lie about it or it's a newer - * part we don't know about. - * - * On the Aspeed SoC there are additionally straps and SCU - * control bits that could tell us what the interface is - * (or allow us to configure it while the IP block is held - * in reset). For now I chose to keep this driver away from - * those SoC specific bits and assume the device-tree is - * right and the SCU has been configured properly by pinmux - * or the firmware. - */ - if (priv->is_aspeed && - phy_intf != PHY_INTERFACE_MODE_RMII && - phy_intf != PHY_INTERFACE_MODE_RGMII && - phy_intf != PHY_INTERFACE_MODE_RGMII_ID && - phy_intf != PHY_INTERFACE_MODE_RGMII_RXID && - phy_intf != PHY_INTERFACE_MODE_RGMII_TXID) { - netdev_warn(netdev, - "Unsupported PHY mode %s !\n", - phy_modes(phy_intf)); - } - } - priv->mii_bus->name = "ftgmac100_mdio"; snprintf(priv->mii_bus->id, MII_BUS_ID_SIZE, "%s-%d", pdev->name, pdev->id); @@ -1673,16 +1675,8 @@ static int ftgmac100_setup_mdio(struct net_device *netdev) goto err_register_mdiobus; } - err = ftgmac100_mii_probe(priv, phy_intf); - if (err) { - dev_err(priv->dev, "MII Probe failed!\n"); - goto err_mii_probe; - } - return 0; -err_mii_probe: - mdiobus_unregister(priv->mii_bus); err_register_mdiobus: mdiobus_free(priv->mii_bus); return err; @@ -1860,6 +1854,14 @@ static int ftgmac100_probe(struct platform_device *pdev) err = ftgmac100_setup_mdio(netdev); if (err) goto err_setup_mdio; + + err = ftgmac100_mii_probe(netdev); + if (err) { + dev_err(priv->dev, "MII probe failed!\n"); + mdiobus_unregister(priv->mii_bus); + goto err_setup_mdio; + } + } if (priv->is_aspeed) { -- 2.21.1