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-rw-r--r--drivers/mmc/host/atmel-mci.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
index 69e438ee043e..b8dfe0d8adbb 100644
--- a/drivers/mmc/host/atmel-mci.c
+++ b/drivers/mmc/host/atmel-mci.c
@@ -589,6 +589,13 @@ static void atmci_timeout_timer(unsigned long data)
if (host->mrq->cmd->data) {
host->mrq->cmd->data->error = -ETIMEDOUT;
host->data = NULL;
+ /*
+ * With some SDIO modules, sometimes DMA transfer hangs. If
+ * stop_transfer() is not called then the DMA request is not
+ * removed, following ones are queued and never computed.
+ */
+ if (host->state == STATE_DATA_XFER)
+ host->stop_transfer(host);
} else {
host->mrq->cmd->error = -ETIMEDOUT;
host->cmd = NULL;