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 88121C35642 for ; Fri, 21 Feb 2020 08:06:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5228B24656 for ; Fri, 21 Feb 2020 08:06:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1582272378; bh=kJWdcJPvZE287SU5CAesXG1gRxh01xitM8yvtMiSSGw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=XwARLo3Mwz75E7vAXdRepKXTS1kZnmoFQYP33kVFrPNefUQ1eo9TDqXtDmQAvq45U QMrGwEb2ZSrui9m//3FOf4oagepeduzu/E+7fVOyZ49Ij28z9RFWCa+aLgyE55/Bdr WH67v1qUwP3uJhjuFUNpHeMWJHlgRf7SbMDy0RfQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731925AbgBUIGQ (ORCPT ); Fri, 21 Feb 2020 03:06:16 -0500 Received: from mail.kernel.org ([198.145.29.99]:39816 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731910AbgBUIGJ (ORCPT ); Fri, 21 Feb 2020 03:06:09 -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 255AA20578; Fri, 21 Feb 2020 08:06:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1582272368; bh=kJWdcJPvZE287SU5CAesXG1gRxh01xitM8yvtMiSSGw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BAG/iDVdjqS1YCwK53rjEKDE3Z/Yr0/JBYS4wiKF1df39XEBB0UUQ5okFmAGZd+yZ q0t+miFpOZ500hjMSUgwYwb5nZJBcgrFwNgMbxkbC8fovA6PsA1+CtZ455rLqIg377 SDrPFHznmO1l9WL1JCG9oPO5m6lfmVYHBw/SEjD4= 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 5.4 117/344] ARM: dts: imx6: rdu2: Limit USBH1 to Full Speed Date: Fri, 21 Feb 2020 08:38:36 +0100 Message-Id: <20200221072359.524645578@linuxfoundation.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200221072349.335551332@linuxfoundation.org> References: <20200221072349.335551332@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 7b5c0e9b0fcff..a66c4fac6baf0 100644 --- a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi +++ b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi @@ -774,6 +774,7 @@ &usbh1 { vbus-supply = <®_5p0v_main>; disable-over-current; + maximum-speed = "full-speed"; status = "okay"; }; -- 2.20.1