From patchwork Wed Apr 20 12:40:52 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kai-Heng Feng X-Patchwork-Id: 12820183 X-Patchwork-Delegate: kuba@kernel.org 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 75DBBC433EF for ; Wed, 20 Apr 2022 13:00:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1355599AbiDTNCw (ORCPT ); Wed, 20 Apr 2022 09:02:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40720 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1343572AbiDTNCw (ORCPT ); Wed, 20 Apr 2022 09:02:52 -0400 Received: from smtp-relay-canonical-0.canonical.com (smtp-relay-canonical-0.canonical.com [185.125.188.120]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 957D413E1E; Wed, 20 Apr 2022 06:00:05 -0700 (PDT) Received: from localhost.localdomain (36-229-224-240.dynamic-ip.hinet.net [36.229.224.240]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by smtp-relay-canonical-0.canonical.com (Postfix) with ESMTPSA id D00893FA47; Wed, 20 Apr 2022 12:41:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canonical.com; s=20210705; t=1650458492; bh=SKjQnef4t+NYwjHc80rBUTUJdxxhm2rF2h/H64pus8k=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=aVhDslsDfu3NINdHmfYaY9uRiLennv/4jmsXRqZgK1SAGKGJNEgdwCf6h6BNXSBZD G+2PcfrUYj2iywGzbxDa4CjMQDc9K308UBX9w4H2LzeMMxgey0nOLodqVOUYT2vVg/ WwVuLU54sOAgdl/GT9DvN3V2M0XnHwtnw4fqpJRsdh1nKLsI2ATK6rrc1TPD2Ehkfl NCFWADZEEXI3uP2eI8fCx4kyTQ5Tp85rSN2hKQOdnxhPkRlUPzE0HWdrG3ZztMexml KO+XzChdIMV/zng9m06yJYOUETKIkuth8Yn0TDbxr6t1FJhVW91YWbcPiO1TJ8MAg9 TG312LAp8n8Ow== From: Kai-Heng Feng To: andrew@lunn.ch, hkallweit1@gmail.com, linux@armlinux.org.uk, peppe.cavallaro@st.com, alexandre.torgue@foss.st.com, joabreu@synopsys.com, davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com Cc: Kai-Heng Feng , Maxime Coquelin , netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 5/5] net: stmmac: Use acpi_mdiobus_register() for ACPI based system Date: Wed, 20 Apr 2022 20:40:52 +0800 Message-Id: <20220420124053.853891-6-kai.heng.feng@canonical.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220420124053.853891-1-kai.heng.feng@canonical.com> References: <20220420124053.853891-1-kai.heng.feng@canonical.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Child nodes of stmmac ACPI node may have additional properties that the PHY layer can use. To achieve that, use acpi_mdiobus_register() to find PHY nodes references via "phy-handle", so the properties of PHY nodes can be used by the PHY layer. Signed-off-by: Kai-Heng Feng --- drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c index a5d150c5f3d8c..37cebd8f2ec5c 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c @@ -10,6 +10,8 @@ Maintainer: Giuseppe Cavallaro *******************************************************************************/ +#include +#include #include #include #include @@ -445,6 +447,7 @@ int stmmac_mdio_register(struct net_device *ndev) struct stmmac_mdio_bus_data *mdio_bus_data = priv->plat->mdio_bus_data; struct device_node *mdio_node = priv->plat->mdio_node; struct device *dev = ndev->dev.parent; + struct fwnode_handle *fwnode = dev->fwnode; int addr, found, max_addr; if (!mdio_bus_data) @@ -488,7 +491,10 @@ int stmmac_mdio_register(struct net_device *ndev) new_bus->phy_mask = mdio_bus_data->phy_mask; new_bus->parent = priv->device; - err = of_mdiobus_register(new_bus, mdio_node); + if (is_acpi_node(fwnode)) + err = acpi_mdiobus_register(new_bus, fwnode); + else + err = of_mdiobus_register(new_bus, mdio_node); if (err != 0) { dev_err(dev, "Cannot register the MDIO bus\n"); goto bus_register_fail;