Acked-by: Jaehoon Chung <[email protected]> On 08/21/2013 10:51 PM, Seungwon Jeon wrote: > In IDMAC mode EVENT_XFER_COMPLETE is set when RI/TI of last descriptor > is done. So if errors are happened in the middle of data transfers, > 'dw_mci_stop_dma' during error handing can be called and eventually > prevents this flag to be set. > This results in permanent wait for EVENT_XFER_COMPLETE in > 'dw_mci_tasklet_func'. > Therefore, if dma running is stopped forcibly, EVENT_XFER_COMPLETE should be > set. > > Reported-by: Bing Zhao <[email protected]> > Signed-off-by: Doug Anderson <[email protected]> > Signed-off-by: Seungwon Jeon <[email protected]> > --- > drivers/mmc/host/dw_mmc.c | 6 +++--- > 1 files changed, 3 insertions(+), 3 deletions(-) > > diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c > index 8c1926f..5b52ac1 100644 > --- a/drivers/mmc/host/dw_mmc.c > +++ b/drivers/mmc/host/dw_mmc.c > @@ -345,10 +345,10 @@ static void dw_mci_stop_dma(struct dw_mci *host) > if (host->using_dma) { > host->dma_ops->stop(host); > host->dma_ops->cleanup(host); > - } else { > - /* Data transfer was stopped by the interrupt handler */ > - set_bit(EVENT_XFER_COMPLETE, &host->pending_events); > } > + > + /* Data transfer was stopped by the interrupt handler */ > + set_bit(EVENT_XFER_COMPLETE, &host->pending_events); > } > > static int dw_mci_get_dma_dir(struct mmc_data *data) >
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