From mboxrd@z Thu Jan 1 00:00:00 1970 From: Seungwon Jeon Subject: [PATCH 1/7] mmc: clarify DDR timing mode between SD-UHS and eMMC Date: Wed, 15 Jan 2014 23:10:43 +0900 Message-ID: <001f01cf11fb$93d188c0$bb749a40$%jun@samsung.com> References: <1383653403-10049-1-git-send-email-ulf.hansson@linaro.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: Received: from mailout1.samsung.com ([203.254.224.24]:56085 "EHLO mailout1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751735AbaAOOKo (ORCPT ); Wed, 15 Jan 2014 09:10:44 -0500 Received: from epcpsbgr5.samsung.com (u145.gpu120.samsung.co.kr [203.254.230.145]) by mailout1.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0MZG00MP54PV5880@mailout1.samsung.com> for linux-mmc@vger.kernel.org; Wed, 15 Jan 2014 23:10:43 +0900 (KST) In-reply-to: Content-language: ko Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: 'Chris Ball' , 'Ulf Hansson' Cc: linux-mmc@vger.kernel.org This change distinguishes DDR timing mode of current mixed usage to clarify device type. Signed-off-by: Seungwon Jeon --- drivers/mmc/core/debugfs.c | 3 +++ drivers/mmc/core/mmc.c | 2 +- include/linux/mmc/host.h | 3 ++- 3 files changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/mmc/core/debugfs.c b/drivers/mmc/core/debugfs.c index 54829c0..509229b 100644 --- a/drivers/mmc/core/debugfs.c +++ b/drivers/mmc/core/debugfs.c @@ -135,6 +135,9 @@ static int mmc_ios_show(struct seq_file *s, void *data) case MMC_TIMING_UHS_DDR50: str = "sd uhs DDR50"; break; + case MMC_TIMING_MMC_DDR52: + str = "mmc DDR52"; + break; case MMC_TIMING_MMC_HS200: str = "mmc high-speed SDR200"; break; diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index 98e9eb0..6d91ff7 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -1261,7 +1261,7 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr, goto err; } mmc_card_set_ddr_mode(card); - mmc_set_timing(card->host, MMC_TIMING_UHS_DDR50); + mmc_set_timing(card->host, MMC_TIMING_MMC_DDR52); mmc_set_bus_width(card->host, bus_width); } } diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index 99f5709..87b1f4f 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -58,7 +58,8 @@ struct mmc_ios { #define MMC_TIMING_UHS_SDR50 5 #define MMC_TIMING_UHS_SDR104 6 #define MMC_TIMING_UHS_DDR50 7 -#define MMC_TIMING_MMC_HS200 8 +#define MMC_TIMING_MMC_DDR52 8 +#define MMC_TIMING_MMC_HS200 9 #define MMC_SDR_MODE 0 #define MMC_1_2V_DDR_MODE 1 -- 1.7.0.4