On CMD3, response type is R6 to SD cards and R1 to MMC cards.
This fix ignores the buggy SD handling on CMD3.

Signed-off-by: Carlos Eduardo Aguiar <carlos.aguiar@indt.org.br>

Index: linux-omap/drivers/mmc/omap.c
===================================================================
--- linux-omap.orig/drivers/mmc/omap.c	2007-03-30 09:39:08.000000000 -0400
+++ linux-omap/drivers/mmc/omap.c	2007-03-31 18:03:49.000000000 -0400
@@ -462,6 +462,12 @@ static irqreturn_t mmc_omap_irq(int irq,
 		mmc_omap_report_irq(status);
 		printk("\n");
 #endif
+		if (status == 0x4000) {
+			dev_dbg(mmc_dev(host->mmc),
+				"buggy SD handling, ignoring it\n");
+			status = 0x0001;
+		}
+
 		if (host->total_bytes_left) {
 			if ((status & OMAP_MMC_STAT_A_FULL) ||
 			    (status & OMAP_MMC_STAT_END_OF_DATA))