From patchwork Fri Mar 14 12:12:48 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Seungwon Jeon X-Patchwork-Id: 3832511 Return-Path: X-Original-To: patchwork-linux-mmc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id B67D8BF540 for ; Fri, 14 Mar 2014 12:12:52 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E629220320 for ; Fri, 14 Mar 2014 12:12:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0959420306 for ; Fri, 14 Mar 2014 12:12:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754392AbaCNMMu (ORCPT ); Fri, 14 Mar 2014 08:12:50 -0400 Received: from mailout4.samsung.com ([203.254.224.34]:57720 "EHLO mailout4.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754367AbaCNMMt (ORCPT ); Fri, 14 Mar 2014 08:12:49 -0400 Received: from epcpsbgr4.samsung.com (u144.gpu120.samsung.co.kr [203.254.230.144]) by mailout4.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0N2F00JG7DXCU500@mailout4.samsung.com> for linux-mmc@vger.kernel.org; Fri, 14 Mar 2014 21:12:48 +0900 (KST) Received: from epcpsbgm1.samsung.com ( [203.254.230.51]) by epcpsbgr4.samsung.com (EPCPMTA) with SMTP id F9.34.10364.042F2235; Fri, 14 Mar 2014 21:12:48 +0900 (KST) X-AuditID: cbfee690-b7f266d00000287c-62-5322f240b3aa Received: from epmmp1.local.host ( [203.254.227.16]) by epcpsbgm1.samsung.com (EPCPMTA) with SMTP id D4.EF.29263.042F2235; Fri, 14 Mar 2014 21:12:48 +0900 (KST) Received: from DOTGIHJUN01 ([12.36.185.168]) by mmp1.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0N2F007BCDXC6610@mmp1.samsung.com>; Fri, 14 Mar 2014 21:12:48 +0900 (KST) From: Seungwon Jeon To: linux-mmc@vger.kernel.org Cc: 'Chris Ball' , 'Ulf Hansson' References: <1383653403-10049-1-git-send-email-ulf.hansson@linaro.org> <006601cf2a57$8af1af90$a0d50eb0$%jun@samsung.com> In-reply-to: Subject: [PATCH RESEND v3 7/7] mmc: sdhci: clarify DDR timing mode between SD-UHS and eMMC Date: Fri, 14 Mar 2014 21:12:48 +0900 Message-id: <003901cf3f7e$b6cd22c0$24676840$%jun@samsung.com> MIME-version: 1.0 Content-type: text/plain; charset=UTF-8 Content-transfer-encoding: 7bit X-Mailer: Microsoft Office Outlook 12.0 Thread-index: Ac7aH/uUm1J6MxFOSyaXb4Fx/nx/rAABnFmgDfJZ22AGGagowAPsr8jwAVyMrmA= Content-language: ko X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrEIsWRmVeSWpSXmKPExsVy+t8zY12HT0rBBnNvyFlMuLyd0eLI/35G i+Nrwx2YPe5c28PmcePVQiaPz5vkApijuGxSUnMyy1KL9O0SuDKO9exkLljHVfH9wyLWBsbt HF2MnBwSAiYSh8+cZoGwxSQu3FvP1sXIxSEksIxRYvLqySwwRQcffmMFsYUEFjFKtJ4phyj6 wyixd/MHsASbgJbE3zdvmEFsEQFZiZ9/LrCB2MwC3hJnPk9hhmiuknizqxfM5hTgkVj3pxPM FhaIkejZtgzMZhFQlXiw4C47iM0rYCvxYvkMZghbUOLH5HssEDPVJSbNW8QMYctLbF7zFsjm ADpUXeLRX12IE/wkLl9aBVUuIrHvxTtGkJslBHaxSxx6eowFYpeAxLfJh1ggemUlNh1ghvhX UuLgihssExglZiHZPAvJ5llINs9CsmIBI8sqRtHUguSC4qT0IhO94sTc4tK8dL3k/NxNjJD4 m7CD8d4B60OMyUDrJzJLiSbnA+M3ryTe0NjMyMLUxNTYyNzSjDRhJXFetUdJQUIC6Yklqdmp qQWpRfFFpTmpxYcYmTg4pRoYTTva3lusuftxs/yzhyG1/te3HC6Mkbg7Pz/s4JZqv0WT+lkm nZ+e/OXVMibnkIMu29Zudi54k/tNQeOid5ii5/22q/GPNgYsTIxjqXiXI5yyu0VHVn3fpznl V6xDk9wXvGTf1Xrq+dsYqd7FZw5byzGZxcVPeJTAuYz11Sotl5mRj1YuNH5cpsRSnJFoqMVc VJwIAIGD1wvVAgAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprPKsWRmVeSWpSXmKPExsVy+t9jAV2HT0rBBht2SltMuLyd0eLI/35G i+Nrwx2YPe5c28PmcePVQiaPz5vkApijGhhtMlITU1KLFFLzkvNTMvPSbZW8g+Od403NDAx1 DS0tzJUU8hJzU22VXHwCdN0yc4AWKSmUJeaUAoUCEouLlfTtME0IDXHTtYBpjND1DQmC6zEy QAMJ6xgzjvXsZC5Yx1Xx/cMi1gbG7RxdjJwcEgImEgcffmOFsMUkLtxbzwZiCwksYpRoPVPe xcgFZP9hlNi7+QNYEZuAlsTfN2+YQWwRAVmJn38ugDUwC3hLnPk8hRmiuUriza5eMJtTgEdi 3Z9OMFtYIEaiZ9syMJtFQFXiwYK77CA2r4CtxIvlM5ghbEGJH5PvsUDMVJeYNG8RM4QtL7F5 zVsgmwPoUHWJR391IU7wk7h8aRVUuYjEvhfvGCcwCs1CMmkWkkmzkEyahaRlASPLKkbR1ILk guKk9FxDveLE3OLSvHS95PzcTYzg6H4mtYNxZYPFIUYBDkYlHl6Hw4rBQqyJZcWVuYcYJTiY lUR4Tz5WChbiTUmsrEotyo8vKs1JLT7EmAz06ERmKdHkfGDiySuJNzQ2MTOyNDKzMDIxNydN WEmc90CrdaCQQHpiSWp2ampBahHMFiYOTqkGxsDTBT9sdb0v+i+wS0+95W/7kWtRdQtr8u9t pS8bZ5QKrXpqF2Sd5c26VcRn1z3LM/v2TP6z7siECQlWE5gqlH8Wyc6avcnecqrBK+Wy/kLh tYeNZO9NsGv6tWd+7ByO7Ie7V7y6JaQd2fVi+p45LvPMLLWjd1ybdvn8usSd+jo/FdZE9LCd 5lBiKc5INNRiLipOBADBN64SMgMAAA== DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Added MMC_DDR52 as eMMC's DDR mode is distinguished from SD-UHS. Signed-off-by: Seungwon Jeon Reviewed-by: Ulf Hansson --- drivers/mmc/host/sdhci.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 7f95211..6926b42 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1510,6 +1510,7 @@ static void sdhci_do_set_ios(struct sdhci_host *host, struct mmc_ios *ios) /* In case of UHS-I modes, set High Speed Enable */ if ((ios->timing == MMC_TIMING_MMC_HS200) || + (ios->timing == MMC_TIMING_MMC_DDR52) || (ios->timing == MMC_TIMING_UHS_SDR50) || (ios->timing == MMC_TIMING_UHS_SDR104) || (ios->timing == MMC_TIMING_UHS_DDR50) || @@ -1570,7 +1571,8 @@ static void sdhci_do_set_ios(struct sdhci_host *host, struct mmc_ios *ios) ctrl_2 |= SDHCI_CTRL_UHS_SDR25; else if (ios->timing == MMC_TIMING_UHS_SDR50) ctrl_2 |= SDHCI_CTRL_UHS_SDR50; - else if (ios->timing == MMC_TIMING_UHS_DDR50) + else if ((ios->timing == MMC_TIMING_UHS_DDR50) || + (ios->timing == MMC_TIMING_MMC_DDR52)) ctrl_2 |= SDHCI_CTRL_UHS_DDR50; sdhci_writew(host, ctrl_2, SDHCI_HOST_CONTROL2); }