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 6F307C2BA83 for ; Fri, 14 Feb 2020 18:12:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3D88024649 for ; Fri, 14 Feb 2020 18:12:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581703936; bh=bnOL5fjRatBmkkTriyNL4q9SJ8zUH9lQkVmaEAXikjo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=eAbjgamekiAjXXZ3C3yn4O/FU8p3VYyqtmHLEB6PvuLk9wvDZnAdiq94KbD3M34Zc rFfyJuGBJ/hNVjVR7I/QKa6Te9VfZ1sHiYYxt8G3KJcUhFy3Ka5NeQa1R4SPE6rcr3 itkbcesWnRu0G2RvcGepR7vb35WKczbAnK8lxdNo= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2393229AbgBNSMP (ORCPT ); Fri, 14 Feb 2020 13:12:15 -0500 Received: from mail.kernel.org ([198.145.29.99]:60594 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731181AbgBNPxO (ORCPT ); Fri, 14 Feb 2020 10:53:14 -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 89FBD222C4; Fri, 14 Feb 2020 15:53:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581695593; bh=bnOL5fjRatBmkkTriyNL4q9SJ8zUH9lQkVmaEAXikjo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZqQtUy94FCZqxUvqAeaKCXjoOMmKpwIUxEddH0GXdtU7P+6b4bzRNJG+Z5Ia/7oSg J7uq5bZ3MkxAm7/l3nMczbmAMfMO1FBCtil6UrbKflBulGWpCvPQAHkakCDfOvTk9K y7Y4lZHkVS55Pk+p8A385BYxgnhdiHA6zuDfwHSs= 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 5.5 199/542] ARM: dts: imx6: rdu2: Limit USBH1 to Full Speed Date: Fri, 14 Feb 2020 10:43:11 -0500 Message-Id: <20200214154854.6746-199-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200214154854.6746-1-sashal@kernel.org> References: <20200214154854.6746-1-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 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