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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 5F7CBC2BA83 for ; Fri, 14 Feb 2020 16:06:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 26F5F222C2 for ; Fri, 14 Feb 2020 16:06:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581696381; bh=kJWdcJPvZE287SU5CAesXG1gRxh01xitM8yvtMiSSGw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=MIxv8ZUoXCt68W+jVxvFTqi7c5hmxFXf8CTztN0Yf97RwOzK/FiCCrEUwTa3OYmLk L/fIQRpvxPlfVcJrVf0yIuK/QVw/pn3HaTfaIs1kDPIVkbFZ7y9PkYK1NrwuTz40Qa ShNGGMHqE9ImCAtQdoeAIy3xZLhbdQSPfkIYyjak= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390391AbgBNQGU (ORCPT ); Fri, 14 Feb 2020 11:06:20 -0500 Received: from mail.kernel.org ([198.145.29.99]:55584 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390203AbgBNQFi (ORCPT ); Fri, 14 Feb 2020 11:05:38 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id B9EE72467E; Fri, 14 Feb 2020 16:05:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581696337; bh=kJWdcJPvZE287SU5CAesXG1gRxh01xitM8yvtMiSSGw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kclPr2y82234lFPfOhCiJENNQKNtLFHOzGH3xBFoyKu/BI//4WR+s/qyziuFzFl7k xkDQ1GLJ4McSTUw9c+r4FaWbkJqAyvFciHIdcAp9Aq4pwTJlm/3UKuGfXwez4TJlV0 1hawGGVG/XWNhnGwuIg2FDqWlEvvgBbmzGVOgoOI= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Andrey Smirnov , Chris Healy , Lucas Stach , Shawn Guo , Fabio Estevam , linux-arm-kernel@lists.infradead.org, Sasha Levin , devicetree@vger.kernel.org Subject: [PATCH AUTOSEL 5.4 174/459] ARM: dts: imx6: rdu2: Limit USBH1 to Full Speed Date: Fri, 14 Feb 2020 10:57:04 -0500 Message-Id: <20200214160149.11681-174-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200214160149.11681-1-sashal@kernel.org> References: <20200214160149.11681-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore 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