From patchwork Mon May 18 17:37:14 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 11555979 X-Patchwork-Delegate: geert@linux-m68k.org Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 282C9912 for ; Mon, 18 May 2020 17:52:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 11006207F5 for ; Mon, 18 May 2020 17:52:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589824354; bh=ZKnpzjS+1IXbi1HA1HZSgCrEQdDz9VPjJYTYfFSTaf8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=Gmit5t6Je5xnDJANVxV9TWuI25YinZGPok+PRMec5ovwj5yeYKG3R7/uDRufFP6r9 v+e1HKpZz4KiU66+paefPougHHZ0YDmY0tLUrCCwIBupY9p+n34nXHdmMHu137CN5g Q1sNNKKz3lYkJH3GvgPuCGA204CAEeDcrBt1KBDw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730990AbgERRwc (ORCPT ); Mon, 18 May 2020 13:52:32 -0400 Received: from mail.kernel.org ([198.145.29.99]:55836 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730986AbgERRwc (ORCPT ); Mon, 18 May 2020 13:52:32 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 3F2A120715; Mon, 18 May 2020 17:52:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589824351; bh=ZKnpzjS+1IXbi1HA1HZSgCrEQdDz9VPjJYTYfFSTaf8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=t9DbYVxsZm6qT2c0jXho0Nhtnmo0BYTacG9QtRSpqcISQIjJXAoL1RrK1QN1Y97c8 CbEj9F4Iv4+40F0tUGyKCjDomxdsvLtqWd94RAepgg+YrLA1owIRUVF34tZD+UWFQC WkAp2uFLA0yNUJYlPFiuXK//Jkpfj61czcqYfZy4= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Alan Stern , Hardik Gajjar , linux-renesas-soc@vger.kernel.org, linux-usb@vger.kernel.org, Kai-Heng Feng , Eugeniu Rosca Subject: [PATCH 4.19 56/80] usb: core: hub: limit HUB_QUIRK_DISABLE_AUTOSUSPEND to USB5534B Date: Mon, 18 May 2020 19:37:14 +0200 Message-Id: <20200518173501.711638330@linuxfoundation.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200518173450.097837707@linuxfoundation.org> References: <20200518173450.097837707@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org From: Eugeniu Rosca commit 76e1ef1d81a4129d7e2fb8c48c83b166d1c8e040 upstream. On Tue, May 12, 2020 at 09:36:07PM +0800, Kai-Heng Feng wrote [1]: > This patch prevents my Raven Ridge xHCI from getting runtime suspend. The problem described in v5.6 commit 1208f9e1d758c9 ("USB: hub: Fix the broken detection of USB3 device in SMSC hub") applies solely to the USB5534B hub [2] present on the Kingfisher Infotainment Carrier Board, manufactured by Shimafuji Electric Inc [3]. Despite that, the aforementioned commit applied the quirk to _all_ hubs carrying vendor ID 0x424 (i.e. SMSC), of which there are more [4] than initially expected. Consequently, the quirk is now enabled on platforms carrying SMSC/Microchip hub models which potentially don't exhibit the original issue. To avoid reports like [1], further limit the quirk's scope to USB5534B [2], by employing both Vendor and Product ID checks. Tested on H3ULCB + Kingfisher rev. M05. [1] https://lore.kernel.org/linux-renesas-soc/73933975-6F0E-40F5-9584-D2B8F615C0F3@canonical.com/ [2] https://www.microchip.com/wwwproducts/en/USB5534B [3] http://www.shimafuji.co.jp/wp/wp-content/uploads/2018/08/SBEV-RCAR-KF-M06Board_HWSpecificationEN_Rev130.pdf [4] https://devicehunt.com/search/type/usb/vendor/0424/device/any Fixes: 1208f9e1d758c9 ("USB: hub: Fix the broken detection of USB3 device in SMSC hub") Cc: stable@vger.kernel.org # v4.14+ Cc: Alan Stern Cc: Hardik Gajjar Cc: linux-renesas-soc@vger.kernel.org Cc: linux-usb@vger.kernel.org Reported-by: Kai-Heng Feng Signed-off-by: Eugeniu Rosca Tested-by: Kai-Heng Feng Link: https://lore.kernel.org/r/20200514220246.13290-1-erosca@de.adit-jv.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/core/hub.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -37,6 +37,7 @@ #define USB_VENDOR_GENESYS_LOGIC 0x05e3 #define USB_VENDOR_SMSC 0x0424 +#define USB_PRODUCT_USB5534B 0x5534 #define HUB_QUIRK_CHECK_PORT_AUTOSUSPEND 0x01 #define HUB_QUIRK_DISABLE_AUTOSUSPEND 0x02 @@ -5434,8 +5435,11 @@ out_hdev_lock: } static const struct usb_device_id hub_id_table[] = { - { .match_flags = USB_DEVICE_ID_MATCH_VENDOR | USB_DEVICE_ID_MATCH_INT_CLASS, + { .match_flags = USB_DEVICE_ID_MATCH_VENDOR + | USB_DEVICE_ID_MATCH_PRODUCT + | USB_DEVICE_ID_MATCH_INT_CLASS, .idVendor = USB_VENDOR_SMSC, + .idProduct = USB_PRODUCT_USB5534B, .bInterfaceClass = USB_CLASS_HUB, .driver_info = HUB_QUIRK_DISABLE_AUTOSUSPEND}, { .match_flags = USB_DEVICE_ID_MATCH_VENDOR