From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=209.85.167.47 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794567956; b=RY02yzpLJA7eq+boyrC0scz8xDmJHp60RJA1S20mI51HKb3EQ8vmz/EHxNGp6wd+ODuO TRJNsTnnvf7yWNEkgJp1J3th9fUeJBv+kvvStYZDc9hXKFl6PdtPi4zoHlwLc3uytV3Ab zjGNRApH059StYvK929GXYY/+Mk6oJWpRN8USXBcQj6rRIpayIYrps7VhSUjl2HAWYWps L+AebtE21TrQ4Sjxfr9G7ebFXMiubk/hxt2JtBuUrs8eIJnFHr/3BO9yZ6w9c8YfG7IY/ y272tjPRZSq/VxgExxTBf8OKWcPgusj1eX+G8Oa6u2KTnlcos/9vQ5Co5IgL2S+QXlw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794567956; h=DMARC-Filter:Received:DKIM-Signature:X-Google-DKIM-Signature: X-Forwarded-Encrypted:X-Gm-Message-State:X-Gm-Gg:X-Received:Received: From:To:Cc:Subject:Date:Message-ID:X-Mailer:In-Reply-To:References: MIME-Version:Content-Transfer-Encoding; bh=OAMFRA4MILVUay22QJQKSMwjrT+qbjZ4D1oCAQSCI+c=; b=POrJLc6CXwZpWlq0ITvmsU+30GzIko12b7D6tLqn9Myi5+muBQsJNoCTiIiJTyWaUN5q 4SBRwDuAUSaXm+vOrw07RsoExq2vFA7FCGTIuHj3fCr02lrVrbQjsEbbJ2WxLfbt9u6us lZxk/LcGvdvB0F1FnCL0C+AmwqQiotIEx9rMoo/5Q9IfjImtu0hvO9xQYMRVV0mnrSpuY Me9wAW+1Z9D2F7M6DXHLtk8q8nh9rW5YW14muJ47S4MQmOckXrwjd48gq0ZM40q90QO6l SkSOGLTcHnydzuqIi3qB4Efefjs9tnYWQbXfTFZFb+cywu+xtWdZGxmyd3hwFknVQIw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20260707 header.b=jo+ONOyC; arc=none smtp.remote-ip=209.85.167.47 Received: from mail-lf1-f47.google.com (mail-lf1-f47.google.com [209.85.167.47]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 907B9606A8A1 for ; Fri, 13 Nov 2026 11:05:56 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 907B9606A8A1 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20260707 header.b=jo+ONOyC Received: by mail-lf1-f47.google.com with SMTP id 2adb3069b0e04-5c14f7768acso905232e87.3 for ; Fri, 13 Nov 2026 03:05:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20260707; t=1794567955; x=1795172755; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=OAMFRA4MILVUay22QJQKSMwjrT+qbjZ4D1oCAQSCI+c=; b=jo+ONOyCKDe8UX+n1zi00jnNg9W+sqeTQgmGfNxc8ZvZG9lJQrQIxOxdmEH69xpvFc qQD2rOGrv2xNeW2DkLhpbBF1D3SgefvWfrLN2fusVXfW3PT7wuHTpbkpbCOQiN1eMTjn IoO5c6VmKi/Lw17SHc58MGSL1JJdUWhL7Rn+Z2it220v4DkWlL/96LVdyZCIteof3BfI RzAvber7p1RZyS0cuD9zfNr74B0PrH7YWHfrbCfqOFv96Agu8z5yLQyBjXRX2VT++5+6 mB3glPsueqCs7cQpeu2P1GVFDXTZpTbXXII2NF9gUCP7FwO23Xq4hf42x16FgN7Ke+tI Hs4Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1794567955; x=1795172755; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to:content-type; bh=OAMFRA4MILVUay22QJQKSMwjrT+qbjZ4D1oCAQSCI+c=; b=gdOyLA4CbqWUcEb/eBGkNjAP7r17tD448UGdl40TwM+JD/MOzC0dy+VEAUF/DZtoWf d/DEX8MRGGD+7IeVcLUS+EZgs/6jjhdRN6GxB2GDy9p9esIFJMgIP3MxfpzGF03VzM03 GvI7O3HVWalSllEOJFPxmO2jj3XNR4HpPTdh9HGquzto2gi8chcihCW+jRNDHgxglzz7 lf80lQYKVs+jcObBwxdYKyTRz4GkcI4AiT9tQYrMFEu9HGNi0D7PdtEeQfvSf86hxesl 0rvzf+BoL/Kvhr2ncgzk6YpDPIj3/8hvu6X/6lKTVrbQBKztq7fnkIRMF6fbrBNJ6qZn RxPw== X-Forwarded-Encrypted: i=1; AL+hErH1eZr/wUvntVWDeG08Ns6JxxnVcwOl30ROa9pd1IlDWEcx+ygSlIW6nFDnWsfJFeNvSny7+pI=@vger.kernel.org X-Gm-Message-State: APuU4Z+GazsnbRs5VZdB1uEaOZVQe3kVc9MLC5dBxm2XyQB34EvL4cNn jML9v5O16iqVIMFarRQtxZFKaVf6fxaS63K2COwJwq04259agPzqZOxv X-Gm-Gg: AYBFou1U92KVPGh1gqUdyh9PPVCd/Jy38jE7cPD1aWdw1oDeXiQjD19VrpEoqUsZJoT TmOBg1BOuZNGhQNTRHiLzkIeoeSa7pcfY3W41FFjNX20zfOd7QY+ZzCLK0Se5DL/jBNqZdzIFDd XMRlpMu05l/T2p7H8IqkId24gQ6FUDkU1YO6QLNKmhYAmYKhbzDePLLihvLIaDJPcjheh8TBVzm d8OZrBFtAgBHYVuWkAKbiZk1RQFTsl9g2T2PTchx9vSKia4X5jC89+eePia56Cn+8SJgXrB+9XX eN0YvqnK594qFK3Mn0hBscNx9hUsooZYRpCoEDfvgh4SAAOoTnbnT5Vq1pD2UD0RBHhnIcfQrGV a6MyB0o3yoG5Yn8ZuR9YuZQJAj1Bw7TeeLCDTkZKzoQm+sUns/hJDhkg+fKFpRESMORGgZUMQ/D ydKd+IZisikvSp83PzpmjPERuvMIEc4kGo/LGH5U/mTG8fjzdqK7/+5iNH2ywlVMdNXdTEJyh+8 xHEYegNU91TxVr0JdOtd3WB//tJZ8TROuf90+TRVohfaTnexfHx+lhlHq8AYFR//spz/vYTl/3F 4iq0TlNg/ofbIg2xPauqYSUYgVw5ISDcBOiJLkoQzEatQ1s= X-Received: by 2002:a05:6512:31c3:b0:5c1:4f6f:564c with SMTP id 2adb3069b0e04-5c1709c5b64mr825566e87.39.1794567954595; Fri, 13 Nov 2026 03:05:54 -0800 (PST) Received: from NB-6746.corp.yadro.com ([188.243.183.76]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-5c17133371asm610997e87.21.2026.11.13.03.05.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 Nov 2026 03:05:54 -0800 (PST) From: Artem Shimko To: andrew@lunn.ch, hkallweit1@gmail.com, linux@armlinux.org.uk, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, maxime.chevallier@bootlin.com, pavel@ucw.cz, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-leds@vger.kernel.org Cc: Artem Shimko , netdev@vger.kernel.org Subject: [PATCH net-next 2/3] net: phy: dap8211r: add extended register write helper Date: Fri, 13 Nov 2026 14:05:44 +0300 Message-ID: <20261113110546.173624-3-a.shimko.dev@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20261113110546.173624-1-a.shimko.dev@gmail.com> References: <20261113110546.173624-1-a.shimko.dev@gmail.com> X-Mailing-List: netdev@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add dap8211r_write_ext() to write extended registers via the indirect access registers of the phy. This will be used to write extended registers of the dap8211r. No functional change. Signed-off-by: Artem Shimko --- drivers/net/phy/dap8211r.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/drivers/net/phy/dap8211r.c b/drivers/net/phy/dap8211r.c index 0bf770f8ebbb..4eb50c26397f 100644 --- a/drivers/net/phy/dap8211r.c +++ b/drivers/net/phy/dap8211r.c @@ -88,6 +88,32 @@ static int dap8211r_read_ext(struct phy_device *phydev, u16 reg) return ret; } +/** + * dap8211r_write_ext() - Write extended register + * @phydev: PHY device structure + * @reg: Extended register address + * @data: Data to write + * + * Writes a PHY extended register using the indirect access method. + * The caller must hold the MDIO bus lock. + * + * Return: 0 on success, or negative error code + */ +static int dap8211r_write_ext(struct phy_device *phydev, u16 reg, u16 data) +{ + int ret; + + phy_lock_mdio_bus(phydev); + ret = __phy_write(phydev, DAP8211R_EXT_ADD, reg); + if (ret < 0) + goto out; + + ret = __phy_write(phydev, DAP8211R_EXT_DATA, data); +out: + phy_unlock_mdio_bus(phydev); + return ret; +} + /** * dap8211r_modify_ext() - Modify extended register bits * @phydev: PHY device structure -- 2.43.0