From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9E3FCC43458 for ; Fri, 3 Jul 2026 13:02:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Q3C7hQoOXJkEa/gjjOgg7bVIM6ICp5ILXS3NQN1aXDE=; b=bgetx7hFEw3xUnbeQ81w855spM C5zRw7GW2Gx0t5yhPa71PEU+8tckC6th/wGhjY4X0P/clXh5cP1tBYH66B5m+U9lvjDTFLGzYOKfe I+orDnRaVlvK1QWDVBls5OE7yPqIVZt+gh0lIx4p7GHxjdZYHWKv6lMX05Tfrs0kBFfWfEsuDpyK5 GbJae8mILpaYeEGg8wfpLViIURmBiMezs4UY1szzA/qUW06eV0XgGMRjNNGzwSLIAyG/QBKyP1+iP nPxgQMBRQnMwpHpJukwOvwMEGUi9Ak/1gG/jkoxEL9+TVFl04RPnfJsypAKVRAdvPq4c1QLEVbT9/ uoxIZIiQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wfdWy-000000072Aa-2rJ7; Fri, 03 Jul 2026 13:02:08 +0000 Received: from mgamail.intel.com ([192.198.163.13]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wfdWw-0000000729q-0sfK; Fri, 03 Jul 2026 13:02:07 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1783083726; x=1814619726; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=go3A92f+qVfLN0BBANEqxhTi+7+zvO5fvzs2fUIzcw4=; b=NuzrB/0gQgSBjssMI1Y5o8NIJwrzbE9E4Ise0k3V+h37YH8vGbm+bvNu /ngCGHyXXH86Bbis97tt1Hfs3vdb+naI32hRp6CeSqPNK5UHwUo9XIIiO euEN2H5hbkQVZAr092yi+bTMiegC5fxgVMxWA+QkZHEZouBmej3Cz78z2 cZ3Vx12L2XmkabMSJdTjLZvneSl1JLUTLEzKSK3nXjefZ+tHi0RyTDuTS r5voX6G2maILsMdjI69WgdRbc7hbhrOjF0YWuXss+LY5VkA8W3IFYwq1Y W4CpTqffgEwg1YmHud1gjciF+QEM99lBMNjtfTikaG7hlVhWwYn2GEPRJ A==; X-CSE-ConnectionGUID: 5isnYXXQRU2LkILwQSipWw== X-CSE-MsgGUID: oiV5PtMOTS6ktRX1mJIxTg== X-IronPort-AV: E=McAfee;i="6800,10657,11835"; a="86386253" X-IronPort-AV: E=Sophos;i="6.25,145,1779174000"; d="scan'208";a="86386253" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by fmvoesa107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Jul 2026 06:02:05 -0700 X-CSE-ConnectionGUID: pugGM/gaQTaY9txxcMNEVA== X-CSE-MsgGUID: mOxugsDkT6C+FxXoN/1dQA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,145,1779174000"; d="scan'208";a="250458340" Received: from carterle-desk.ger.corp.intel.com (HELO localhost) ([10.245.245.80]) by fmviesa008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Jul 2026 06:02:00 -0700 Date: Fri, 3 Jul 2026 16:01:58 +0300 From: Andy Shevchenko To: Chen-Yu Tsai Cc: Bartosz Golaszewski , Greg Kroah-Hartman , Daniel Scally , Heikki Krogerus , Sakari Ailus , "Rafael J. Wysocki" , Danilo Krummrich , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , linux-acpi@vger.kernel.org, driver-core@lists.linux.dev, linux-pm@vger.kernel.org, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Manivannan Sadhasivam , Alan Stern Subject: Re: [PATCH v3 05/13] usb: hub: Associate port@ fwnode with USB port device Message-ID: References: <20260703110317.1283411-1-wenst@chromium.org> <20260703110317.1283411-6-wenst@chromium.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260703110317.1283411-6-wenst@chromium.org> Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260703_060206_293223_1340A27C X-CRM114-Status: GOOD ( 11.98 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org On Fri, Jul 03, 2026 at 07:03:06PM +0800, Chen-Yu Tsai wrote: > When a USB hub port is connected to a connector in a firmware node > graph, the port itself has a node in the graph. > > Associate the port's firmware node with the USB port's device, > usb_port::dev. This is used in later changes for the M.2 slot power > sequencing provider to match against the requesting port. > > To avoid potential conflicts with ACPI firmware nodes and then causing > power management issues, only assign the firmware node if the hub's > firmware node is not an ACPI firmware node. Now I'm more confident that it does not mess up with ACPI case. Reviewed-by: Andy Shevchenko -- With Best Regards, Andy Shevchenko