From d1adf60fcb9b8b704e909aed90d64c8755340ceb Mon Sep 17 00:00:00 2001 From: Steve Sakoman Date: Wed, 12 Jan 2011 13:54:55 -0800 Subject: [PATCH] omap: mmc: Adjust dto to eliminate timeout errors omap: mmc: Adjust dto to eliminate timeout errors A number of SD card types were experiencing timeout errors. This could also lead to data corruption in some cases. This fix proposed by Sukumar Ghoral of TI. --- drivers/mmc/host/omap_hsmmc.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index 5d46021..4ba2f6c 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -1405,6 +1405,7 @@ static void set_data_timeout(struct omap_hsmmc_host *host, cycle_ns = 1000000000 / (clk_get_rate(host->fclk) / clkd); timeout = timeout_ns / cycle_ns; timeout += timeout_clks; + timeout *= 2; if (timeout) { while ((timeout & 0x80000000) == 0) { dto += 1; -- 1.6.6.1