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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,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 B51AFC2D0D1 for ; Sun, 29 Dec 2019 17:37:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 861FA20718 for ; Sun, 29 Dec 2019 17:37:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1577641072; bh=w2ErK50CqRFsYFArCbbtqfo0yUFwHzVL5IYv2eqk3qg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=WJH7Kb4IAn+fjyEG2ZCqaisdJ55Evkx0/FXX62Prcp/2M3vA0j9uxpsL4Wj7vNfWz z4THeSJQr6ySydgrrObXj6daVS+bVE9KvXdgYI2ntpG35wcJNxsLllW/5bh9HWL4kg Ur0xijGpvpk3cF/d9MTqIDZJfSzpQH3h/ukXsf1o= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727646AbfL2RfR (ORCPT ); Sun, 29 Dec 2019 12:35:17 -0500 Received: from mail.kernel.org ([198.145.29.99]:39434 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729808AbfL2RfP (ORCPT ); Sun, 29 Dec 2019 12:35:15 -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 6FC0C206DB; Sun, 29 Dec 2019 17:35:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1577640914; bh=w2ErK50CqRFsYFArCbbtqfo0yUFwHzVL5IYv2eqk3qg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hgb/1GUGILRKof3aNQvz5whpUIm+Q7Zr05YU0hBeEYnewnveYHEeBuS1h9MnXpQ5J tGu+piec7wgBxqkEPY30X51SwEVnKKV7NV2PAUQLVPOP3UmKFgBzxNGAOD0JxKZZ1q PfQ/CTOua3O/Ybko/dAVIZPE5f0VTSurkQdQCCdE= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Chaotian Jing , Hsin-Yi Wang , Ulf Hansson Subject: [PATCH 4.19 191/219] mmc: mediatek: fix CMD_TA to 2 for MT8173 HS200/HS400 mode Date: Sun, 29 Dec 2019 18:19:53 +0100 Message-Id: <20191229162538.456000494@linuxfoundation.org> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20191229162508.458551679@linuxfoundation.org> References: <20191229162508.458551679@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Chaotian Jing commit 8f34e5bd7024d1ffebddd82d7318b1be17be9e9a upstream. there is a chance that always get response CRC error after HS200 tuning, the reason is that need set CMD_TA to 2. this modification is only for MT8173. Signed-off-by: Chaotian Jing Tested-by: Hsin-Yi Wang Cc: stable@vger.kernel.org Fixes: 1ede5cb88a29 ("mmc: mediatek: Use data tune for CMD line tune") Link: https://lore.kernel.org/r/20191204071958.18553-1-chaotian.jing@mediatek.com Signed-off-by: Ulf Hansson Signed-off-by: Greg Kroah-Hartman --- drivers/mmc/host/mtk-sd.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/mmc/host/mtk-sd.c +++ b/drivers/mmc/host/mtk-sd.c @@ -228,6 +228,7 @@ #define MSDC_PATCH_BIT_SPCPUSH (0x1 << 29) /* RW */ #define MSDC_PATCH_BIT_DECRCTMO (0x1 << 30) /* RW */ +#define MSDC_PATCH_BIT1_CMDTA (0x7 << 3) /* RW */ #define MSDC_PATCH_BIT1_STOP_DLY (0xf << 8) /* RW */ #define MSDC_PATCH_BIT2_CFGRESP (0x1 << 15) /* RW */ @@ -1673,6 +1674,7 @@ static int hs400_tune_response(struct mm /* select EMMC50 PAD CMD tune */ sdr_set_bits(host->base + PAD_CMD_TUNE, BIT(0)); + sdr_set_field(host->base + MSDC_PATCH_BIT1, MSDC_PATCH_BIT1_CMDTA, 2); if (mmc->ios.timing == MMC_TIMING_MMC_HS200 || mmc->ios.timing == MMC_TIMING_UHS_SDR104)