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 7222BC54F4C for ; Tue, 28 Jul 2026 14:45:35 +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:References: Subject:To:From:Cc:Message-Id:Date:Content-Type:Content-Transfer-Encoding: Mime-Version:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=cc5wg12tqwTBOwJ67VWXEAgClJcA4TpX/SK+bdEQpI0=; b=lGX87qt4ZNwFVpI5XwcRPYQDtr 6I5emGTw0OhXt3BZKBcPptCzmZupib7QRIkvwAVCeZ8cvsIvottKfPfC0bE8uWEilFTO5TJY8x3wf Ime+CJBca6w9VQUh3iEN/8FfAZHgZe6jIPol3+OO3Jpl9/N9pherhRwcEE6BYP8xQWjkTQUaLDicL 8NoKhqP73aR4yAJ14kS3fZiZnkjfFY/xds/IQf8ibQOd3tIe7V+w5KXGfsS5KOc1ydE2qt6W3MzBi O7wkSMM6ng1Uqt/UQO8syry9sD806ZVWZuhMfnWM1MWDGFuuTZol4u6ajaumOK3Gi0BjxMO+3a8gc yejYXupw==; 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s=purelymail3; d=purelymail.com; v=1; bh=O+EunIaQuvuAl6mYIdHtaHmtFznc9bUOIDoAFlXeg5s=; h=Feedback-ID:Received:Date:From:To:Subject; Feedback-ID: 45355:7809:null:purelymail X-Pm-Original-To: linux-mediatek@lists.infradead.org Received: by smtp.purelymail.com (Purelymail SMTP) with ESMTPSA id 2061556761; (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384); Tue, 28 Jul 2026 14:45:08 +0000 (UTC) Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Date: Tue, 28 Jul 2026 11:45:03 -0300 Message-Id: Cc: "Luiz Augusto von Dentz" , =?utf-8?b?Q2hyaXMgTHUgKOmZuOeomuazkyk=?= , =?utf-8?b?V2lsbC1DWSBMZWUgKOadjuaUv+epjik=?= , =?utf-8?b?U1MgV3UgKOW3q+aGsuasoyk=?= , , , , From: "Rafael Passos" To: "Rong Zhang" , "Rafael Passos" , "Marcel Holtmann" , "Luiz Augusto von Dentz" , "Matthias Brugger" , "AngeloGioacchino Del Regno" Subject: Re: [PATCH v2] Bluetooth: Properly disable remote wakeup for MT7922/MT7925 on Ryzen platform X-Mailer: aerc 0.21.0 References: <20260701-btmtk-ryzen-remote-wakeup-v2-1-767ac7907472@rong.moe> <79D5F3E6-8F40-4422-BB2D-16691E377394@rong.moe> <133c4858657c55b31affd4bff1cbd68f812de5e1.camel@rong.moe> In-Reply-To: <133c4858657c55b31affd4bff1cbd68f812de5e1.camel@rong.moe> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260728_074531_637820_A2B2910C X-CRM114-Status: GOOD ( 14.30 ) 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 Hi Rong, On Tue Jul 28, 2026 at 11:00 AM -03, Rong Zhang wrote: >> I believe its a hub connected to the chipset. >>=20 >> /: Bus 001.Port 001: Dev 001, Class=3Droot_hub, Driver=3Dxhci_hcd/12p, = 480M >> | ... >> |__ Port 008: Dev 004, If 0, Class=3DWireless, Driver=3Dbtusb, 480M >>=20 >> In the block diagram on the manual [1], Key "E" Wifi is tied >> to the AMD PROM21 CHipset. > > Yes, and no. > > The block diagram indicates that the NIC card's PCIe interface (note the > "x1") is connected to the chipset, without any mention of its USB > interface. > > Based on the bus number (001), it's more likely a root hub of the SoC > instead of the chipset. > > You can check the root hub's PCI path with > > realpath /sys/bus/usb/devices/usb1 > > Then you can cross-check with the PCI topology, i.e., `lspci -tnnnvvv'. Interesting! lspci -tnnnvvv -[0000:00]-+-00.0 Advanced Micro Devices, Inc. [AMD] Raphael/Granite Ridge= Root Complex [1022:14d8] +-00.2 Advanced Micro Devices, Inc. [AMD] Raphael/Granite Ridge= IOMMU [1022:14d9] +-01.0 Advanced Micro Devices, Inc. [AMD] Raphael/Granite Ridge= Dummy Host Bridge [1022:14da] +-01.1-[01-03]----00.0-[02-03]----00.0-[03]--+-00.0 Advanced Mi= cro Devices, Inc. [AMD/ATI] Navi 21 [Radeon RX 6800/6800 XT / 6900 XT] [100= 2:73bf] | \-00.1 Advanced Mi= cro Devices, Inc. [AMD/ATI] Navi 21/23 HDMI/DP Audio Controller [1002:ab28] +-02.0 Advanced Micro Devices, Inc. [AMD] Raphael/Granite Ridge= Dummy Host Bridge [1022:14da] +-02.1-[04-0e]----00.0-[05-0e]--+-00.0-[06]-- | +-02.0-[07]----00.0 MEDIATEK Co= rp. MT7925 (RZ717) Wi-Fi 7 160MHz [14c3:0717] | +-03.0-[08]----00.0 Realtek Sem= iconductor Co., Ltd. RTL8125 2.5GbE Controller [10ec:8125] ... realpath /sys/bus/usb/devices/usb1 /sys/devices/pci0000:00/0000:00:02.1/0000:04:00.0/0000:05:0c.0/0000:0d:00.0= /usb1 ------ -------------------- / | This matches the \--and this matches the chain before root complex the MT7925. Am I on the right path ? >> It is integrated (soldered) to my motherboard. > > Huh? How can an M.2 "Key E WiFi" expansion card being soldered to a > "vertical M.2 socket"? > > AFAIK, once the metal shield(s) are unscrewed, it should be replaceable, > see > https://www.techpowerup.com/review/asrock-b850-steel-legend-wi-fi/4.html > > But it doesn't matter anyway since the issue has gone ;-) Oh ! Its vertical ! You nailed it! I assumed it was soldered because there was no space there for a horizontal layout (and I didnt try unscrewing it). Neat! Thanks, Rafael Passos