From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.13]) (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 1B71E156236; Mon, 23 Jun 2025 08:45:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.13 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750668318; cv=none; b=graYlWsZLoTFwPy2w1QdcKQJd80lXqrChkD3zlW9YfqaqWM9dsfKc0aeK11qaFTiMINROw/nvvxtAUemOQxHXgZRxJxxgKUiIpcZHRvgAAp7SOim2+Mi8jU+OytswY5eUMVZOP8yWKAFYWM2VOW392kNa7HAgSOBNDIyvG58bEs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750668318; c=relaxed/simple; bh=czCnr454L0Rdgtenujc5uQtXulaQ8IYmBZKADIw/Euw=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=TyF+YvVd+IIMo1OC3uVeKozL103WkFdYI7xdOke8CHqEF9LulSuVsFO5692eKdArKsFSUplDFUprenf2wXpb+UoBUCgOFD3RkGtWDYnAQLx+p1aXvn4qTSzYZLO+M9c1LGiBDeW/Dv56gzST0XCpa+HbGPetKznbIX4KW7L4hms= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=M+161uPZ; arc=none smtp.client-ip=192.198.163.13 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="M+161uPZ" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1750668317; x=1782204317; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=czCnr454L0Rdgtenujc5uQtXulaQ8IYmBZKADIw/Euw=; b=M+161uPZpKUDCmMnczoYlKeoUteJ0dUkmwv+iXSrVr5x+ODPi1mLIkFN CIRU/MlhBKbMgLjfU2xXJYuYrKlIOCVTTi4590F8JSKG4sY0HzYtF/Zry PwAxg2N5DAqRXQtEvs6Rew8tzcR/rSLe70yWB2CuJs/acXHm8d8Mr2H/k gI9uEht7cY0AIW2AnsTOfX0Z6YSaqP14DuID4II9cCm6p+RYU1Zmhu06N B4nJjbf6tHBmEZnJVWoCZhw5OHMHUF31hY5r/XAkYH6b4aBzXBUgFvjHn Trt9ZA5heC30tkR24h/867uhvrnLQ3hlUfuP2NHpdr8Z7f7sti8afx2io g==; X-CSE-ConnectionGUID: aplOaf2vSPGBOsfTXYpRWA== X-CSE-MsgGUID: Sa61Gde3S0mFgHt9D3JWOA== X-IronPort-AV: E=McAfee;i="6800,10657,11472"; a="55498544" X-IronPort-AV: E=Sophos;i="6.16,258,1744095600"; d="scan'208";a="55498544" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by fmvoesa107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Jun 2025 01:45:16 -0700 X-CSE-ConnectionGUID: a/sJG7yBTmO0RoMIxh1VOw== X-CSE-MsgGUID: sQ1iTc6BQKKm1IEI9yq6Xg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,258,1744095600"; d="scan'208";a="155547323" Received: from smile.fi.intel.com ([10.237.72.52]) by fmviesa003.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Jun 2025 01:45:10 -0700 Received: from andy by smile.fi.intel.com with local (Exim 4.98.2) (envelope-from ) id 1uTcna-0000000973l-0JQc; Mon, 23 Jun 2025 11:45:06 +0300 Date: Mon, 23 Jun 2025 11:45:05 +0300 From: Andy Shevchenko To: Anup Patel Cc: Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jassi Brar , Thomas Gleixner , "Rafael J . Wysocki" , Mika Westerberg , Linus Walleij , Bartosz Golaszewski , Uwe =?iso-8859-1?Q?Kleine-K=F6nig?= , Palmer Dabbelt , Paul Walmsley , Len Brown , Sunil V L , Rahul Pathak , Leyfoon Tan , Atish Patra , Andrew Jones , Samuel Holland , Anup Patel , linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v6 05/23] mailbox: Allow controller specific mapping using fwnode Message-ID: References: <20250618121358.503781-1-apatel@ventanamicro.com> <20250618121358.503781-6-apatel@ventanamicro.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: <20250618121358.503781-6-apatel@ventanamicro.com> Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo On Wed, Jun 18, 2025 at 05:43:40PM +0530, Anup Patel wrote: > Introduce optional fw_node() callback which allows a mailbox controller > driver to provide controller specific mapping using fwnode. > > The Linux OF framework already implements fwnode operations for the > Linux DD framework so the fw_xlate() callback works fine with device > tree as well. ... > + fwnode = dev_fwnode(dev); > + if (!fwnode) { > + dev_dbg(dev, "No owner fwnode\n"); > + return ERR_PTR(-ENODEV); > + } > + > + ret = fwnode_property_get_reference_args(dev_fwnode(dev), "mboxes", Why not using fwnode directly here? > + "#mbox-cells", 0, index, &fwspec); > if (ret) { > - dev_err(dev, "%s: can't parse \"mboxes\" property\n", __func__); > + dev_err(dev, "%s: can't parse \"%s\" property\n", __func__, "mboxes"); > return ERR_PTR(ret); > } ... Otherwise looks like a good solution to get rid of OF-centric code from mailbox in the future. -- With Best Regards, Andy Shevchenko