From b8f9f0e90a6c3fb999d00301f45bb2213dbe8c00 Mon Sep 17 00:00:00 2001 From: Juha Yrjola Date: Wed, 26 Mar 2008 16:09:16 -0400 Subject: MMC: OMAP: Fix timeout calculation for MMC multislot support 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 Signed-off-by: Pierre Ossman --- drivers/mmc/host/omap.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) (limited to 'drivers/mmc') diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c index 90e9d68e7998..0d3cd3c23f8f 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); -- cgit v1.2.1