From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=156.67.10.101 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794601714; b=jIx+Hpr4ATdXK9B77KtjWtoCD1vZ9LFaaGSVyoqX3VTEHMNvwzdRy7sS1cBWr1XD3GzK Q8NSwRVohiQRkI4BxVHgyF+k1eFRxkJYZiFh1SE0+guXW8gI0nTpD2c4KcAIfEAqL2NzN XNLSpEAOG+ppwm7FzXMORHNm1HHBj7QCsIvBJWhn6bd4b5PrAnESgRR/maa5StwgeI3Al GGyM8hH8fwsUWazYnImfaHvd1OCcFBhuvmIu5oz3NigKm6gOMIRsw5O6ntMd3MfM/dyq6 ny0dXeBCrxyvHBMRMeMOawcOVt6uHrW8NN+kVb32fQj9uMyKTfP8kpBCsUsOHnr8fFQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794601714; h=DMARC-Filter:DKIM-Signature:Received:Date:From:To:Cc:Subject: Message-ID:References:MIME-Version:Content-Type:Content-Disposition: In-Reply-To; bh=gaD+xb7cU1GGj4SMRBCAddtYxjohBzdn3/H4c3ybKBg=; b=FlmgdSlgrQfMSXhDGi5ULBl8E/wcSpVwdjK09HkqPf4h1ssKwJJBDnuOaw8LIb4e/sbC lEosjm3bG7fLbG6zf1a0LX6VVU23opSW5GjGo8UFGoHSMjfx3HpWskkVO4yAAihNCF2Aa RbKxjjRdMRuLxsxKEMQRcqcHh47gc3sYmVjf0OFMdelNspUNVgd2xLlJdeV4zi4PT6SHx 8Z1ttVB2cVGTJNSKqw7vhmOsIwPrshUNgmPpQXu7x6kAdezj7fhDEyqK0pkT4G6GXVsUN vEgpoigEy9jfnnZ70HKkqds7awTVxtZN63rIIkmX57tXXwO1tFaomwhgV12xZAP7+mw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=lunn.ch; spf=pass smtp.mailfrom=lunn.ch; dkim=pass header.d=lunn.ch header.i=@lunn.ch header.a=rsa-sha256 header.s=20171124 header.b=RZ51UcpA; arc=none smtp.remote-ip=156.67.10.101 Received: from vps0.lunn.ch (vps0.lunn.ch [156.67.10.101]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (prime256v1) server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BB594606A323; Fri, 13 Nov 2026 20:28:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org BB594606A323 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lunn.ch Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=lunn.ch Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=lunn.ch header.i=@lunn.ch header.a=rsa-sha256 header.s=20171124 header.b=RZ51UcpA DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lunn.ch; s=20171124; h=In-Reply-To:Content-Disposition:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:From:Sender:Reply-To:Subject: Date:Message-ID:To:Cc:MIME-Version:Content-Type:Content-Transfer-Encoding: Content-ID:Content-Description:Content-Disposition:In-Reply-To:References; bh=gaD+xb7cU1GGj4SMRBCAddtYxjohBzdn3/H4c3ybKBg=; b=RZ51UcpAhDfFYthIQyaCqUG+Si EEZBY3IKu+hb02QW5rh1a2hlZMp1dDdNZg6u4ckbmNOj9pZw00N5pHHx6rC9jxXYsM7epxtazew99 Ktewk8DaF1rzt830ww+QfBjrnS5tZOhY/LNiGfqxOppwIuubS5pe+QCEBy60GKrpjG7A=; Received: from andrew by vps0.lunn.ch with local (Exim 4.94.2) (envelope-from ) id 1xRxsd-00GMG7-3D; Fri, 13 Nov 2026 21:28:15 +0100 Date: Fri, 13 Nov 2026 21:28:15 +0100 From: Andrew Lunn To: Artem Shimko Cc: 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, netdev@vger.kernel.org Subject: Re: [PATCH net-next 2/3] net: phy: dap8211r: add extended register write helper Message-ID: <583c58dd-3587-4c2f-af5b-9b4a10fd916c@lunn.ch> References: <20261113110546.173624-1-a.shimko.dev@gmail.com> <20261113110546.173624-3-a.shimko.dev@gmail.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261113110546.173624-3-a.shimko.dev@gmail.com> > + * 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); How does this not deadlock, if the caller is already holding the MDIO bus lock, as commented on above? Andrew