Fixbug: Fix the bug where the cmd6 command is sent but the status of the card is not queried, which can cause failure in switching to the high-speed mode in DDR mode.

Author: unknown

components/drivers/sdio/dev_mmc.c

@@ -323,7 +323,8 @@ static int mmc_poll_for_busy(struct rt_mmcsd_card *card, rt_uint32_t timeout_ms,
             return err;
         }
     }
-    while (!(status & R1_READY_FOR_DATA));
+    while (!(status & R1_READY_FOR_DATA) ||
+           (R1_CURRENT_STATE(status) == R1_STATE_PRG));
 
     return err;
 }