ARM: 7220/1: mmc: mmci: Fixup error handling for dma

When getting a cmd irq during an ongoing data transfer
with dma, the dma job were never terminated. This is now
corrected.

Cc: <stable@vger.kernel.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Per Forlin <per.forlin@stericsson.com>
Signed-off-by: Ulf Hansson <ulf.hansson@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 826598115ab..0726e59fd41 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -755,8 +755,12 @@ mmci_cmd_irq(struct mmci_host *host, struct mmc_command *cmd,
         }
 
         if (!cmd->data || cmd->error) {
-                if (host->data)
+                if (host->data) {
+                        /* Terminate the DMA transfer */
+                        if (dma_inprogress(host))
+                                mmci_dma_data_error(host);
                         mmci_stop_data(host);
+                }
                 mmci_request_end(host, cmd->mrq);
         } else if (!(cmd->data->flags & MMC_DATA_READ)) {
                 mmci_start_data(host, cmd->data);