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>

diff --git a/drivers/mmc/omap_hsmmc.c b/drivers/mmc/omap_hsmmc.c
index 462a89198b63d3759eee833e6c40bfb83b0d941a..224c06aea81d93cdbe22d212243b2c57133f5e5e 100644 (file)
--- a/drivers/mmc/omap_hsmmc.c
+++ b/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);