From patchwork Fri Feb 21 07:40:36 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 230823 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 F1309C35640 for ; Fri, 21 Feb 2020 08:28:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B839720679 for ; Fri, 21 Feb 2020 08:28:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1582273737; bh=EmHy02QxIAceinsrla6/OOJZSbxSoVsrW2LFm6TIsi0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=K/95migJIhfV7XxZh30neRWj9LPMYkKO5IJONkQN09btpbJ/xOdUFOCgN8MUEGFKw PJW4fd641HLXE/VsnVNcP07hVFMPeBeOALulVUCYGqAICIRlzHABqBrGVzWljsvUx+ 1xKEfniV2Zxll7//rrxExl5yT6UIDJ4DpasAlYtk= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731661AbgBUITI (ORCPT ); Fri, 21 Feb 2020 03:19:08 -0500 Received: from mail.kernel.org ([198.145.29.99]:57242 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387502AbgBUITF (ORCPT ); Fri, 21 Feb 2020 03:19:05 -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 EC32724695; Fri, 21 Feb 2020 08:19:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1582273144; bh=EmHy02QxIAceinsrla6/OOJZSbxSoVsrW2LFm6TIsi0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CWO26ji+5QI4r2AObuCCclkE+un5j/shg4+CgyxO0drsxXA8xeH9AXnEgMxCxPQho pQWjvW++fzjzQDYT411D9o2mNnbynsKRU0vBo3Q5SFH4qqjN5aUTnuj49aXV9wU9nW A/LYIeukfbGCvO3EatrO274OGDlNK4DK7TA2EBIc= 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 4.19 063/191] ARM: dts: imx6: rdu2: Limit USBH1 to Full Speed Date: Fri, 21 Feb 2020 08:40:36 +0100 Message-Id: <20200221072258.967997633@linuxfoundation.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200221072250.732482588@linuxfoundation.org> References: <20200221072250.732482588@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 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 56d6e82b75337..bc5f2de02d433 100644 --- a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi +++ b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi @@ -804,6 +804,7 @@ &usbh1 { vbus-supply = <®_5p0v_main>; disable-over-current; + maximum-speed = "full-speed"; status = "okay"; };