From patchwork Thu Mar 12 14:24:02 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Adrian Hunter X-Patchwork-Id: 11434345 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6F7D2913 for ; Thu, 12 Mar 2020 14:24:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5868420650 for ; Thu, 12 Mar 2020 14:24:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727390AbgCLOYx (ORCPT ); Thu, 12 Mar 2020 10:24:53 -0400 Received: from mga14.intel.com ([192.55.52.115]:32517 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727340AbgCLOYx (ORCPT ); Thu, 12 Mar 2020 10:24:53 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 12 Mar 2020 07:24:52 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,545,1574150400"; d="scan'208";a="266348015" Received: from ahunter-desktop.fi.intel.com ([10.237.72.167]) by fmsmga004.fm.intel.com with ESMTP; 12 Mar 2020 07:24:51 -0700 From: Adrian Hunter To: Ulf Hansson , Chaotian Jing , Seo@vger.kernel.org, Kyungmin Cc: linux-mmc Subject: [PATCH RFC 0/3] mmc: core: Do not change frequency before switch from HS400 Date: Thu, 12 Mar 2020 16:24:02 +0200 Message-Id: <20200312142405.9813-1-adrian.hunter@intel.com> X-Mailer: git-send-email 2.17.1 Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org Hi Patches to improve mmc_hs400_to_hs200() as discussed here: https://lore.kernel.org/linux-mmc/d355ac11-21d6-e8f7-d03f-65c55e10aea2@intel.com/ Adrian Hunter (3): mmc: core: Try harder if transfer mode switch fails mmc: core: Do not check CRC response for switch from HS400 to HS200 mmc: core: Do not change frequency before switch from HS400 drivers/mmc/core/mmc.c | 41 ++++++++++++++++++++++++----------------- drivers/mmc/core/mmc_ops.c | 13 +++++++++++-- drivers/mmc/core/mmc_ops.h | 2 +- 3 files changed, 36 insertions(+), 20 deletions(-) Regards Adrian