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,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 D1301C4CED1 for ; Thu, 3 Oct 2019 16:18:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A7A6F21A4C for ; Thu, 3 Oct 2019 16:18:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570119493; bh=wKwjfWM+JCA0f7UO0uWQrgxnwNMKaVWWUO0lVQf5ynI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=2v1RVNinOGU7xJIlg7kitlCxK13ghwrithlMsmrcHmi4FkLdoJcxpYlxhuWF+9W+C wwQN5QuZcgs8yIjyU/kARDHkaE324VXxkmUM9I7npn6762f07Qfdv6dM3FyYiWIUN2 7/bMEfgsUTS2wWo1Nr7ZldgPBuvvfCa+mzucOoJA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389577AbfJCQSM (ORCPT ); Thu, 3 Oct 2019 12:18:12 -0400 Received: from mail.kernel.org ([198.145.29.99]:44382 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389455AbfJCQSE (ORCPT ); Thu, 3 Oct 2019 12:18:04 -0400 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 603BC20700; Thu, 3 Oct 2019 16:18:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570119482; bh=wKwjfWM+JCA0f7UO0uWQrgxnwNMKaVWWUO0lVQf5ynI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=neq9XLehacnN/ygJjsjMxzCVLjNlVa0tnw9uVf1NFDGLkfyYLf5DzfT/K1JXw71z0 tjCvhFpcuk4olWlULfcZXz9Cu9w5xGY++4C3qlSulEQEacUgOw/C49q0dXTJTxdaLa dIBs0M/FkIXNNdMR1Ep8828BwduNj4h5vVnX6Q1g= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Stefan Agner , Philippe Schenker , Oleksandr Suvorov , Shawn Guo , Sasha Levin Subject: [PATCH 4.19 082/211] ARM: dts: imx7-colibri: disable HS400 Date: Thu, 3 Oct 2019 17:52:28 +0200 Message-Id: <20191003154506.035362103@linuxfoundation.org> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191003154447.010950442@linuxfoundation.org> References: <20191003154447.010950442@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: Stefan Agner [ Upstream commit a95fbda08ee20cd063ce5826e0df95a2c22ea8c5 ] Force HS200 by masking bit 63 of the SDHCI capability register. The i.MX ESDHC driver uses SDHCI_QUIRK2_CAPS_BIT63_FOR_HS400. With that the stack checks bit 63 to descide whether HS400 is available. Using sdhci-caps-mask allows to mask bit 63. The stack then selects HS200 as operating mode. This prevents rare communication errors with minimal effect on performance: sdhci-esdhc-imx 30b60000.usdhc: warning! HS400 strobe DLL status REF not lock! Signed-off-by: Stefan Agner Signed-off-by: Philippe Schenker Reviewed-by: Oleksandr Suvorov Signed-off-by: Shawn Guo Signed-off-by: Sasha Levin --- arch/arm/boot/dts/imx7-colibri.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/imx7-colibri.dtsi b/arch/arm/boot/dts/imx7-colibri.dtsi index 895fbde4d4333..c1ed83131b495 100644 --- a/arch/arm/boot/dts/imx7-colibri.dtsi +++ b/arch/arm/boot/dts/imx7-colibri.dtsi @@ -323,6 +323,7 @@ vmmc-supply = <®_module_3v3>; vqmmc-supply = <®_DCDC3>; non-removable; + sdhci-caps-mask = <0x80000000 0x0>; }; &iomuxc { -- 2.20.1