Hi,
On Tue, Jul 31 2012, Seungwon Jeon wrote:
> Datasheet of SYNOPSYS mentions that DTO(Data Transfer Over) interrupt
> will be raised even if some error interrupts, however it is actually
> found that DTO does not occur. SYNOPSYS has confirmed this issue.
> Current implementation defers the call of tasklet_schedule until DTO
> when the error interrupts is happened. This patch fixes error handling.
>
> Signed-off-by: Seungwon Jeon <tgih.jun@xxxxxxxxxxx>
> ---
> drivers/mmc/host/dw_mmc.c | 4 +---
> 1 files changed, 1 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
> index 7baed45..1a5db20 100644
> --- a/drivers/mmc/host/dw_mmc.c
> +++ b/drivers/mmc/host/dw_mmc.c
> @@ -1580,9 +1580,7 @@ static irqreturn_t dw_mci_interrupt(int irq, void *dev_id)
> host->data_status = pending;
> smp_wmb();
> set_bit(EVENT_DATA_ERROR, &host->pending_events);
> - if (!(pending & (SDMMC_INT_DTO | SDMMC_INT_DCRC |
> - SDMMC_INT_SBE | SDMMC_INT_EBE)))
> - tasklet_schedule(&host->tasklet);
> + tasklet_schedule(&host->tasklet);
> }
>
> if (pending & SDMMC_INT_DATA_OVER) {
Thanks, pushed to mmc-next for 3.7.
- Chris.
--
Chris Ball <cjb@xxxxxxxxxx> <http://printf.net/>
One Laptop Per Child
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