mmc: omap_hsmmc: Enable Auto command (CMD12) enable

Instead of sending STOP TRANSMISSION command from MMC core, enable
the auto command feature so that the Host Controller issues CMD12
automatically when last block transfer is completed.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>

drivers/mmc/omap_hsmmc.c

@@ -494,6 +494,10 @@ static int omap_hsmmc_send_cmd(struct udevice *dev, struct mmc_cmd *cmd,
 	ulong start;
 
 	mmc_base = priv->base_addr;
+
+	if (cmd->cmdidx == MMC_CMD_STOP_TRANSMISSION)
+		return 0;
+
 	start = get_timer(0);
 	while ((readl(&mmc_base->pstate) & (DATI_MASK | CMDI_MASK)) != 0) {
 		if (get_timer(0) - start > MAX_RETRY_MS) {
@@ -550,7 +554,7 @@ static int omap_hsmmc_send_cmd(struct udevice *dev, struct mmc_cmd *cmd,
 	if (data) {
 		if ((cmd->cmdidx == MMC_CMD_READ_MULTIPLE_BLOCK) ||
 			 (cmd->cmdidx == MMC_CMD_WRITE_MULTIPLE_BLOCK)) {
-			flags |= (MSBS_MULTIBLK | BCE_ENABLE);
+			flags |= (MSBS_MULTIBLK | BCE_ENABLE | ACEN_ENABLE);
 			data->blocksize = 512;
 			writel(data->blocksize | (data->blocks << 16),
 							&mmc_base->blk);