From patchwork Fri Apr 16 08:47:08 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Bogendoerfer X-Patchwork-Id: 423200 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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, 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 BCEA4C433B4 for ; Fri, 16 Apr 2021 08:47:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 890836115B for ; Fri, 16 Apr 2021 08:47:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241180AbhDPIsV (ORCPT ); Fri, 16 Apr 2021 04:48:21 -0400 Received: from mx2.suse.de ([195.135.220.15]:46126 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240890AbhDPIrn (ORCPT ); Fri, 16 Apr 2021 04:47:43 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id EE527AE86; Fri, 16 Apr 2021 08:47:16 +0000 (UTC) From: Thomas Bogendoerfer To: "David S. Miller" , Jakub Kicinski , Rob Herring , netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org Subject: [PATCH v4 net-next 07/10] net: korina: Add support for device tree Date: Fri, 16 Apr 2021 10:47:08 +0200 Message-Id: <20210416084712.62561-8-tsbogend@alpha.franken.de> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210416084712.62561-1-tsbogend@alpha.franken.de> References: <20210416084712.62561-1-tsbogend@alpha.franken.de> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org If there is no mac address passed via platform data try to get it via device tree and fall back to a random mac address, if all fail. Signed-off-by: Thomas Bogendoerfer --- drivers/net/ethernet/korina.c | 24 ++++++++++++++++++++++-- 1 file changed, 22 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/korina.c b/drivers/net/ethernet/korina.c index d6dbbdd43d7c..cd078a5c679b 100644 --- a/drivers/net/ethernet/korina.c +++ b/drivers/net/ethernet/korina.c @@ -43,6 +43,8 @@ #include #include #include +#include +#include #include #include #include @@ -1068,7 +1070,12 @@ static int korina_probe(struct platform_device *pdev) SET_NETDEV_DEV(dev, &pdev->dev); lp = netdev_priv(dev); - memcpy(dev->dev_addr, mac_addr, ETH_ALEN); + if (mac_addr) { + ether_addr_copy(dev->dev_addr, mac_addr); + } else { + if (of_get_mac_address(pdev->dev.of_node, dev->dev_addr)) + eth_hw_addr_random(dev); + } lp->rx_irq = platform_get_irq_byname(pdev, "korina_rx"); lp->tx_irq = platform_get_irq_byname(pdev, "korina_tx"); @@ -1148,8 +1155,21 @@ static int korina_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_OF +static const struct of_device_id korina_match[] = { + { + .compatible = "idt,3243x-emac", + }, + { } +}; +MODULE_DEVICE_TABLE(of, korina_match); +#endif + static struct platform_driver korina_driver = { - .driver.name = "korina", + .driver = { + .name = "korina", + .of_match_table = of_match_ptr(korina_match), + }, .probe = korina_probe, .remove = korina_remove, };