From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dong Aisheng Subject: [PATCH 7/7] mmc: sdhci-esdhc-imx: add quirk SDHCI_QUIRK2_BROKEN_HS200 for imx6qdl Date: Wed, 3 Sep 2014 20:05:03 +0800 Message-ID: <1409745903-26550-8-git-send-email-b29396@freescale.com> References: <1409745903-26550-1-git-send-email-b29396@freescale.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from mail-bl2lp0208.outbound.protection.outlook.com ([207.46.163.208]:28451 "EHLO na01-bl2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S932142AbaICM1I (ORCPT ); Wed, 3 Sep 2014 08:27:08 -0400 In-Reply-To: <1409745903-26550-1-git-send-email-b29396@freescale.com> Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: linux-mmc@vger.kernel.org Cc: ulf.hansson@linaro.org, chris@printf.net, shawn.guo@linaro.org, b29396@freescale.com, linux-arm-kernel@lists.infradead.org The iMX6Q/DL can not support HS200 mode while iMX6SL and iMX6SX can, so introduce a new flag to distinguish them. Signed-off-by: Dong Aisheng --- drivers/mmc/host/sdhci-esdhc-imx.c | 10 ++++++++-- 1 files changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c index 87179c4..16eff00 100644 --- a/drivers/mmc/host/sdhci-esdhc-imx.c +++ b/drivers/mmc/host/sdhci-esdhc-imx.c @@ -120,6 +120,8 @@ * when reading data from the card */ #define ESDHC_FLAG_ERR004536 BIT(7) +/* The IP supports HS200 mode */ +#define ESDHC_FLAG_HS200 BIT(8) struct esdhc_soc_data { u32 flags; @@ -147,12 +149,13 @@ static struct esdhc_soc_data usdhc_imx6q_data = { static struct esdhc_soc_data usdhc_imx6sl_data = { .flags = ESDHC_FLAG_USDHC | ESDHC_FLAG_STD_TUNING - | ESDHC_FLAG_HAVE_CAP1 | ESDHC_FLAG_ERR004536, + | ESDHC_FLAG_HAVE_CAP1 | ESDHC_FLAG_ERR004536 + | ESDHC_FLAG_HS200, }; static struct esdhc_soc_data usdhc_imx6sx_data = { .flags = ESDHC_FLAG_USDHC | ESDHC_FLAG_STD_TUNING - | ESDHC_FLAG_HAVE_CAP1, + | ESDHC_FLAG_HAVE_CAP1 | ESDHC_FLAG_HS200, }; struct pltfm_imx_data { @@ -1063,6 +1066,9 @@ static int sdhci_esdhc_imx_probe(struct platform_device *pdev) host->quirks2 |= SDHCI_QUIRK2_PRESET_VALUE_BROKEN; host->mmc->caps |= MMC_CAP_1_8V_DDR; + if (!(imx_data->socdata->flags & ESDHC_FLAG_HS200)) + host->quirks2 |= SDHCI_QUIRK2_BROKEN_HS200; + /* * errata ESDHC_FLAG_ERR004536 fix for MX6Q TO1.2 and MX6DL * TO1.1, it's harmless for MX6SL -- 1.7.8