> ---------- Original message ----------
quoted text
> From: Zhang Wei <wei.zhang@freescale.com>
> Date: Mar 11, 2008 4:25 AM
> Subject: [PATCH 1/2] Fix a bug about BUG_ON() on DMA engine capability
> DMA_INTERRUPT.
> To: dan.j.williams@intel.com
> Cc: linux-kernel@vger.kernel.org, Zhang Wei <wei.zhang@freescale.com>
> 
> 
> The device->device_prep_dma_interrupt function is used by
> DMA_INTERRUPT capability, not DMA_ZERO_SUM.
> 
> Signed-off-by: Zhang Wei <wei.zhang@freescale.com>
> ---
>  drivers/dma/dmaengine.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
> index 2996523..8db0e7f 100644
> --- a/drivers/dma/dmaengine.c
> +++ b/drivers/dma/dmaengine.c
> @@ -357,7 +357,7 @@ int dma_async_device_register(struct dma_device
*device)
quoted text
>                !device->device_prep_dma_zero_sum);
>        BUG_ON(dma_has_cap(DMA_MEMSET, device->cap_mask) &&
>                !device->device_prep_dma_memset);
> -       BUG_ON(dma_has_cap(DMA_ZERO_SUM, device->cap_mask) &&
> +       BUG_ON(dma_has_cap(DMA_INTERRUPT, device->cap_mask) &&
>                !device->device_prep_dma_interrupt);
> 
>        BUG_ON(!device->device_alloc_chan_resources);
> --
> 1.5.4

Acked-by: Maciej Sosnowski <maciej.sosnowski@intel.com>
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