From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from vps0.lunn.ch (vps0.lunn.ch [156.67.10.101]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 50B3E1F193F; Tue, 10 Dec 2024 23:11:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=156.67.10.101 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733872287; cv=none; b=UZBm7GD6WPXB8U3WV4bCofEgvAMdJFLyRiKRSkPImRx8VwUb3QP/PeVK5BBN0GVupLm/MamaTJ3hUkRTVKVdGmGx65IygqNpqAqFIIV1hLENLP32VWBOzZOuzBawcXMb6Hd/B5bzs5Njut5BJ/jHnBrtKEQBgPykcpoJ/eJevGk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733872287; c=relaxed/simple; bh=cAdm8flCRnl+5J0rloVrH8CV7CVOB9f8Y6CqOIT1+z0=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=POGQCHlCzyX4w3cQ4IUzxQ4vFWMTegsIkboZBjkL8bxzs9ni7DCzkATZgr3ydTXjysExLlp1JPn1pgSL8bMkjP7vXIjNjbVxiI5J1d3KGYxyJQtHU08FxHmjefT19eprdQiqT6VK2lBVNNX/UPGagQgHgMN/T1+hP0FAi1sTWZU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lunn.ch; spf=pass smtp.mailfrom=lunn.ch; dkim=pass (1024-bit key) header.d=lunn.ch header.i=@lunn.ch header.b=bXFciefH; arc=none smtp.client-ip=156.67.10.101 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.b="bXFciefH" 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=GPgEgPHXiLBNETa+wEEXPVbWMGlgl8r/WmdmTJCw798=; b=bXFciefHRfvI9pD+nD5btga3zq 33lWZ0ZlsOX1oWoBf0BDVmVBvZEh++pTU6vUfe5lbienCeYsXObF/9gaejpcOHthv2xA2Bjq2FJqy TM6O0hn6R3rmi6WCx4SQ6g+i7ue6QdL45PamUG8Ufu4iS7Lwd31Bj58wFhHp4yyLheeI=; Received: from andrew by vps0.lunn.ch with local (Exim 4.94.2) (envelope-from ) id 1tL9Nm-0001My-61; Wed, 11 Dec 2024 00:11:10 +0100 Date: Wed, 11 Dec 2024 00:11:10 +0100 From: Andrew Lunn To: Christian Marangi Cc: Vladimir Oltean , Lee Jones , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Srinivas Kandagatla , Heiner Kallweit , Russell King , Matthias Brugger , AngeloGioacchino Del Regno , linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, upstream@airoha.com Subject: Re: [net-next PATCH v11 5/9] mfd: an8855: Add support for Airoha AN8855 Switch MFD Message-ID: References: <20241209134459.27110-1-ansuelsmth@gmail.com> <20241209134459.27110-1-ansuelsmth@gmail.com> <20241209134459.27110-6-ansuelsmth@gmail.com> <20241209134459.27110-6-ansuelsmth@gmail.com> <20241210211529.osgzd54flq646bcr@skbuf> <6758c174.050a0220.52a35.06bc@mx.google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <6758c174.050a0220.52a35.06bc@mx.google.com> > Doesn't regmap add lots of overhead tho? Compared to what. MDIO operates over a 2.5MHz bus, assuming it is true MDIO. The CPU overhead of regmap is probably negligible compared to waiting for MDIO transactions to finish. Andrew