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=ham 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 9E2FFC35641 for ; Fri, 21 Feb 2020 07:49:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6B8A9207FD for ; Fri, 21 Feb 2020 07:49:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1582271351; bh=bnOL5fjRatBmkkTriyNL4q9SJ8zUH9lQkVmaEAXikjo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=SuldYd9j01sbdx2cFr0t1rv2dz7fUQsqHJjbREEjDLG54IvvUP2SvIhfqddi/gh47 fWRxcU9qDjAPkHmeO29ZRiJcqfJTO11MthRyXoQlXUlmBpidfs0B+0qrzZ7WwH9NNh 3FN5J+456/Z9k9tJwniZB/6Mug3oxXgxmu5sf61M= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729232AbgBUHtK (ORCPT ); Fri, 21 Feb 2020 02:49:10 -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: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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