Re: dma_mask on scsi_calculate_bounce_limit

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On Thu, Nov 18, 2010 at 11:21 PM, James Bottomley
<James.Bottomley@xxxxxxx> wrote:
> On Thu, 2010-11-18 at 14:20 +0530, çç wrote:
>> Hi
>>
>> I have enabled DMA for my host device and when i connect a scsi device
>> to the host, it crashes in the following code..
>>
>> Function: scsi_calculate_bounce_limit
>>
>> Âif (host_dev && host_dev->dma_mask)
>> Â Â Â Â Â Â Â Â bounce_limit = *host_dev->dma_mask;
>>
>> "*dma_mask" is illegal pointer operation. I would like to understand
>> is this known and is there reason behind such a code ?
>
> It likely means you're operating on a new architecture and its generic
> devices haven't been set up correctly.

Could you please more specific on what is generic devices haven't been
setup properly...

>
> James
>
>
>
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