--- a/drivers/mmc/host/mvsdio.c	2013-09-16 14:17:51.000000000 -0600
+++ b/drivers/mmc/host/mvsdio.c	2013-10-21 01:36:10.000000000 -0600
@@ -97,7 +97,7 @@
 	tmout_index = fls(tmout - 1) - 12;
 	if (tmout_index < 0)
 		tmout_index = 0;
-	if (tmout_index > MVSD_HOST_CTRL_TMOUT_MAX)
+//	if (tmout_index > MVSD_HOST_CTRL_TMOUT_MAX)	//by steven, try to setup the timeout to maximum value
 		tmout_index = MVSD_HOST_CTRL_TMOUT_MAX;
 
 	dev_dbg(host->dev, "data %s at 0x%08x: blocks=%d blksz=%d tmout=%u (%d)\n",
@@ -600,6 +600,8 @@
 		u32 m = DIV_ROUND_UP(host->base_clock, ios->clock) - 1;
 		if (m > MVSD_BASE_DIV_MAX)
 			m = MVSD_BASE_DIV_MAX;
+		if(ios->clock==50000000 )	//by steven
+			m=1;
 		mvsd_write(MVSD_CLK_DIV, m);
 		host->clock = ios->clock;
 		host->ns_per_clk = 1000000000 / (host->base_clock / (m+1));