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 X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 550A6C35640 for ; Fri, 21 Feb 2020 08:47:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 216552071E for ; Fri, 21 Feb 2020 08:47:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1582274830; bh=bnOL5fjRatBmkkTriyNL4q9SJ8zUH9lQkVmaEAXikjo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=QtJu1VZL8E8Rglcg7WpWFYoeyPdqmE3yH0+A+AwbmaxUDAosg8s9Hy+uaaYW81iiN GuGSYcb7FegnAASa8TbYZmsoRQRAcqcG+NaoQtXf7sZKcvxAbc9XVIJKrEQxrSH1Wx aIOge6f8Phz1kVgLB57AjX2fooz4E6iLC96+TPgs= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729207AbgBUHtJ (ORCPT ); Fri, 21 Feb 2020 02:49:09 -0500 Received: from mail.kernel.org ([198.145.29.99]:45428 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729182AbgBUHtH (ORCPT ); Fri, 21 Feb 2020 02:49:07 -0500 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 CBEE824650; Fri, 21 Feb 2020 07:49:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1582271347; bh=bnOL5fjRatBmkkTriyNL4q9SJ8zUH9lQkVmaEAXikjo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=b0j3rFfkIgliR/MiDcrSNohCZynRwiE3l/YY4Fy210bP+wL/GPhcNgbF5bpjTYA1B DZgvrJZUQ3lFHlSDIRrE5vM/SJ+Us/kiInxO+4mQoxIkAjV26VwaOLsfzMluIGaA9k D7TeNyHRbBHjcyx5v1zpPKtwYI6K6y6kSu6WnDgE= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Chris Healy , Lucas Stach , Andrey Smirnov , Shawn Guo , Fabio Estevam , linux-arm-kernel@lists.infradead.org, Sasha Levin Subject: [PATCH 5.5 131/399] ARM: dts: imx6: rdu2: Limit USBH1 to Full Speed Date: Fri, 21 Feb 2020 08:37:36 +0100 Message-Id: <20200221072415.204550872@linuxfoundation.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200221072402.315346745@linuxfoundation.org> References: <20200221072402.315346745@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Andrey Smirnov [ Upstream commit 6bb1e09c4c375db29770444f689f35f5cbe696bc ] Cabling used to connect devices to USBH1 on RDU2 does not meet USB spec cable quality and cable length requirements to operate at High Speed, so limit the port to Full Speed only. Reported-by: Chris Healy Reviewed-by: Chris Healy Reviewed-by: Lucas Stach Signed-off-by: Andrey Smirnov Cc: Shawn Guo Cc: Fabio Estevam Cc: Lucas Stach Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Shawn Guo Signed-off-by: Sasha Levin --- arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi index 4ec9fb332610e..cbafadbe86f45 100644 --- a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi +++ b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi @@ -776,6 +776,7 @@ &usbh1 { vbus-supply = <®_5p0v_main>; disable-over-current; + maximum-speed = "full-speed"; status = "okay"; }; -- 2.20.1