From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Al Cooper" Subject: [PATCH] mmc: Limit MMC speed to 25MHz if HIGHSPEED CAPS bit is not set. Date: Mon, 14 May 2012 16:11:54 -0400 Message-ID: <1337026314-14003-1-git-send-email-acooper@gmail.com> References: Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: Received: from mms2.broadcom.com ([216.31.210.18]:3302 "EHLO mms2.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932341Ab2ENUNq (ORCPT ); Mon, 14 May 2012 16:13:46 -0400 In-Reply-To: Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: cjb@laptop.org, linux-mmc@vger.kernel.org, cernekee@gmail.com Cc: Al Cooper If the HIGHSPEED capabilities bit is not set, limit the MMC clock speed to 25MHz. Signed-off-by: Al Cooper --- drivers/mmc/core/mmc.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index 54df5ad..912c893 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -1045,7 +1045,7 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr, mmc_card_set_hs200(card); mmc_set_timing(card->host, MMC_TIMING_MMC_HS200); - } else { + } else if (host->caps & MMC_CAP_MMC_HIGHSPEED) { mmc_card_set_highspeed(card); mmc_set_timing(card->host, MMC_TIMING_MMC_HS); } -- 1.7.6