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=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 0E25FC2BA83 for ; Fri, 14 Feb 2020 18:12:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CC49D222C2 for ; Fri, 14 Feb 2020 18:12:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581703933; bh=bnOL5fjRatBmkkTriyNL4q9SJ8zUH9lQkVmaEAXikjo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=lXP4K925RKkymHhmsFdzRdA8mhhHzq83LdwBTN2/G4fIkiRVrn2fZ+EvScDUAIJTt GeSU1oVK6Uq1Uwc3qZq991KclYvK9m2V3gUPRQ40HqhjOiSx2cEGGh1pLIIuzZT/wn nnS6aYOuV3gEiFoTX+dXAkbp/OvY54b7kmsv60VE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2393199AbgBNSMM (ORCPT ); Fri, 14 Feb 2020 13:12:12 -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: 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 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