mmc: atmel-mci: remove data error interrupt after xfer

Disable data error interrupts while we are actually recording that there
is not such errors.  This will prevent, in some cases, the warning message
printed at new request queuing (in atmci_start_request()).
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Haavard Skinnemoen <hskinnemoen@atmel.com>
Cc: <linux-mmc@vger.kernel.org>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/mmc/host/atmel-mci.c

@@ -1294,6 +1294,7 @@ static void atmci_tasklet_func(unsigned long priv)
 			} else {
 				data->bytes_xfered = data->blocks * data->blksz;
 				data->error = 0;
+				mci_writel(host, IDR, ATMCI_DATA_ERROR_FLAGS);
 			}
 
 			if (!data->stop) {