From patchwork Fri Jun 11 10:53:51 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ioana Ciornei X-Patchwork-Id: 12315329 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=-14.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,HK_RANDOM_FROM,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 89386C48BE6 for ; Fri, 11 Jun 2021 10:54:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 722AC613EE for ; Fri, 11 Jun 2021 10:54:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231341AbhFKK4z (ORCPT ); Fri, 11 Jun 2021 06:56:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34962 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231359AbhFKK4y (ORCPT ); Fri, 11 Jun 2021 06:56:54 -0400 Received: from mail-ed1-x52b.google.com (mail-ed1-x52b.google.com [IPv6:2a00:1450:4864:20::52b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 63D6CC061574; Fri, 11 Jun 2021 03:54:56 -0700 (PDT) Received: by mail-ed1-x52b.google.com with SMTP id r11so36552000edt.13; Fri, 11 Jun 2021 03:54:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=jKKxZivIvAKQuHFldXmal3K8gS92b3IVawUyF0IfTDQ=; b=RJtdyL3OSC65yGTb/24BXUyBne2A3WnFSGzwORRigI7x9mM8YrUGW+85Pb0hD4PA1M VARNR4Y4WBHzvQ0dPT0kxd3Qtw5accaGbq1PoVGZZfDug7KO83mI94S1aph497HglHRT nzXvgEsI3AuAKx1L2gCYnnBeEOrt4VH/awWN57rvKfHdBKcVPI6qa4nxJzsIWsAPirU6 QseAg9mgcfKxFXbJ7J5wHIzF4/HdMJIpSp0q66UUII5cdvcMKHA8ACLilozGFXmC0x6A PKs9BIsGhPTwocv9ssjjiKhJkuZAv6T+TinjdNygIrnGwH5N9w7dmdmtkwAXTB2aEwF1 B01w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=jKKxZivIvAKQuHFldXmal3K8gS92b3IVawUyF0IfTDQ=; b=LaGjqlEsdee/Q75oC4WGE6ZuAcDZd2SMsbTY8pz41FwGqG6p4ytgvSNixs1uLB+pok /EIKHbaftcJIc8TnqavX0jYzYYeRY+voKiCqRT2/UULjaeLiQ2ExH4+tc2+N2lGic8yk tbxgms6K1OsNKYcB04iFldTBLS0HTSqFRQ4RVEn1FowhoeWGj9wN1clUWosORDTQXnpL XYu3181TTsGciRJ+P6mKDslk+HRS9z7hjk1M5+2UC76BVpgZnNSeuGg0HptoxaFkCrBi 9O6O3DE9tmHeUyvLEAroCpxP9KPGQhBWDXcJs/0gVTR/7yscl4YWb5Ip+VlrY39pACyG idxw== X-Gm-Message-State: AOAM530ezKLXR1staSKTlbHW8RH3DBJXmNBP89EYZUNrEaeHthPBlB3Z wnXary6/nVi5iSko+SpIlyw= X-Google-Smtp-Source: ABdhPJyFIxh8LYKNd+bGH273tYpbvYApRzqcuVvYgBZM6Uzm+Gb4CjZRpdu2Akpby0pXDbQ8ExoKcg== X-Received: by 2002:aa7:d304:: with SMTP id p4mr3025567edq.29.1623408894872; Fri, 11 Jun 2021 03:54:54 -0700 (PDT) Received: from yoga-910.localhost ([188.26.52.84]) by smtp.gmail.com with ESMTPSA id r19sm2492051eds.75.2021.06.11.03.54.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 11 Jun 2021 03:54:54 -0700 (PDT) From: Ioana Ciornei To: davem@davemloft.net, kuba@kernel.org, hkallweit1@gmail.com, netdev@vger.kernel.org, Grant Likely , "Rafael J . Wysocki" , Jeremy Linton , Andrew Lunn , Andy Shevchenko , Florian Fainelli , Russell King - ARM Linux admin , Heikki Krogerus , Marcin Wojtas , Pieter Jansen Van Vuuren , Jon , Saravana Kannan , Randy Dunlap , calvin.johnson@oss.nxp.com Cc: Cristi Sovaiala , Florin Laurentiu Chiculita , Madalin Bucur , linux-arm-kernel@lists.infradead.org, Diana Madalina Craciun , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linux.cj@gmail.com, Laurentiu Tudor , Len Brown , "Rafael J . Wysocki" , Ioana Ciornei Subject: [PATCH net-next v9 05/15] net: phy: Introduce fwnode_get_phy_id() Date: Fri, 11 Jun 2021 13:53:51 +0300 Message-Id: <20210611105401.270673-6-ciorneiioana@gmail.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210611105401.270673-1-ciorneiioana@gmail.com> References: <20210611105401.270673-1-ciorneiioana@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org From: Calvin Johnson Extract phy_id from compatible string. This will be used by fwnode_mdiobus_register_phy() to create phy device using the phy_id. Signed-off-by: Calvin Johnson Signed-off-by: Ioana Ciornei Acked-by: Grant Likely --- Changes in v9: None Changes in v8: None Changes in v7: None Changes in v6: None Changes in v5: None Changes in v4: None Changes in v3: - Use traditional comparison pattern - Use GENMASK drivers/net/phy/phy_device.c | 21 +++++++++++++++++++++ include/linux/phy.h | 5 +++++ 2 files changed, 26 insertions(+) diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 786f464216dd..f7472a0cf771 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -834,6 +834,27 @@ static int get_phy_c22_id(struct mii_bus *bus, int addr, u32 *phy_id) return 0; } +/* Extract the phy ID from the compatible string of the form + * ethernet-phy-idAAAA.BBBB. + */ +int fwnode_get_phy_id(struct fwnode_handle *fwnode, u32 *phy_id) +{ + unsigned int upper, lower; + const char *cp; + int ret; + + ret = fwnode_property_read_string(fwnode, "compatible", &cp); + if (ret) + return ret; + + if (sscanf(cp, "ethernet-phy-id%4x.%4x", &upper, &lower) != 2) + return -EINVAL; + + *phy_id = ((upper & GENMASK(15, 0)) << 16) | (lower & GENMASK(15, 0)); + return 0; +} +EXPORT_SYMBOL(fwnode_get_phy_id); + /** * get_phy_device - reads the specified PHY device and returns its @phy_device * struct diff --git a/include/linux/phy.h b/include/linux/phy.h index f9b5fb099fa6..b60694734b07 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -1377,6 +1377,7 @@ struct phy_device *phy_device_create(struct mii_bus *bus, int addr, u32 phy_id, bool is_c45, struct phy_c45_device_ids *c45_ids); #if IS_ENABLED(CONFIG_PHYLIB) +int fwnode_get_phy_id(struct fwnode_handle *fwnode, u32 *phy_id); struct mdio_device *fwnode_mdio_find_device(struct fwnode_handle *fwnode); struct phy_device *fwnode_phy_find_device(struct fwnode_handle *phy_fwnode); struct phy_device *device_phy_find_device(struct device *dev); @@ -1385,6 +1386,10 @@ struct phy_device *get_phy_device(struct mii_bus *bus, int addr, bool is_c45); int phy_device_register(struct phy_device *phy); void phy_device_free(struct phy_device *phydev); #else +static inline int fwnode_get_phy_id(struct fwnode_handle *fwnode, u32 *phy_id) +{ + return 0; +} static inline struct mdio_device *fwnode_mdio_find_device(struct fwnode_handle *fwnode) {