Index: linux-2.6.21.6/drivers/mmc/s3cmci.c
===================================================================
--- linux-2.6.21.6.orig/drivers/mmc/s3cmci.c
+++ linux-2.6.21.6/drivers/mmc/s3cmci.c
@@ -318,6 +318,7 @@
 {
 	struct s3cmci_host *host = (struct s3cmci_host *) data;
 
+	disable_irq(host->irq);
 
 	if (host->pio_active == XFER_WRITE)
 		do_pio_write(host);
@@ -336,9 +337,9 @@
 			host->mrq->data->error = MMC_ERR_DMA;
 		}
 
-		disable_irq(host->irq);
 		finalize_request(host);
-	}
+	} else
+		enable_irq(host->irq);
 }
 
 /*