[PATCH] mmc: mmci: Fixup error handling for dma
Ulf Hansson
ulf.hansson at stericsson.com
Tue Nov 29 09:51:26 EST 2011
When getting a cmd irq during an ongoing data transfer
with dma, the dma job were never terminated. This is now
corrected.
Signed-off-by: Ulf Hansson <ulf.hansson at stericsson.com>
Signed-off-by: Per Forlin <per.forlin at stericsson.com>
---
drivers/mmc/host/mmci.c | 6 +++++-
1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index e900f51..62ad649 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -761,8 +761,12 @@ 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);
--
1.7.5.4
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