Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759244AbYCZUQN (ORCPT ); Wed, 26 Mar 2008 16:16:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757797AbYCZUMx (ORCPT ); Wed, 26 Mar 2008 16:12:53 -0400 Received: from smtp.nokia.com ([192.100.122.233]:46752 "EHLO mgw-mx06.nokia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758548AbYCZUMw (ORCPT ); Wed, 26 Mar 2008 16:12:52 -0400 Message-ID: <47EAAD6C.3050502@indt.org.br> Date: Wed, 26 Mar 2008 16:09:16 -0400 From: Carlos Aguiar User-Agent: Thunderbird 1.5.0.12 (X11/20070604) MIME-Version: 1.0 To: ext Pierre Ossman CC: Tony Lindgren , linux-kernel@vger.kernel.org Subject: [PATCH 08/18] MMC: OMAP: Fix timeout calculation for MMC multislot support References: <47DAD39C.90405@indt.org.br> <20080324132631.1e0d2125@mjolnir.drzeus.cx> In-Reply-To: <20080324132631.1e0d2125@mjolnir.drzeus.cx> X-Enigmail-Version: 0.94.0.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 26 Mar 2008 20:11:59.0546 (UTC) FILETIME=[A5CDA1A0:01C88F7D] X-Nokia-AV: Clean Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1504 Lines: 41 From: Juha Yrjola Fix the data timeout calculation for MMC multislot support. Signed-off-by: Juha Yrjola Signed-off-by: Jarkko Lavinen Signed-off-by: Carlos Eduardo Aguiar Signed-off-by: Tony Lindgren --- drivers/mmc/host/omap.c | 9 ++++----- 1 files changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c index f652de9..e4e7537 100644 --- a/drivers/mmc/host/omap.c +++ b/drivers/mmc/host/omap.c @@ -861,13 +861,12 @@ static inline void set_cmd_timeout(struct mmc_omap_host *host, struct mmc_reques static inline void set_data_timeout(struct mmc_omap_host *host, struct mmc_request *req) { - int timeout; + unsigned int timeout, cycle_ns; u16 reg; - /* Convert ns to clock cycles by assuming 20MHz frequency - * 1 cycle at 20MHz = 500 ns - */ - timeout = req->data->timeout_clks + req->data->timeout_ns / 500; + cycle_ns = 1000000000 / host->current_slot->fclk_freq; + timeout = req->data->timeout_ns / cycle_ns; + timeout += req->data->timeout_clks; /* Check if we need to use timeout multiplier register */ reg = OMAP_MMC_READ(host, SDIO); -- 1.5.3.GIT -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/