(!timeout) condition check in mmc_send_status() can never be met,
because do-while loop ends up with negative timeout value, -1.
Fix the check to handle TIMEOUT case correctly.
Signed-off-by: Jongman Heo <jongman.heo@gmail.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
        status = (cmd.response[0] & MMC_STATUS_CURR_STATE) >> 9;
        printf("CURR STATE:%d\n", status);
 #endif
-       if (!timeout) {
+       if (timeout <= 0) {
                printf("Timeout waiting card ready\n");
                return TIMEOUT;
        }