On 01/28/2013 08:51 AM, Arnd Bergmann wrote:
> On Friday 18 January 2013, Padmavathi Venna wrote:
>> + pfi = devm_kzalloc(&adev->dev, sizeof(*pfi), GFP_KERNEL);
>> + if (!pfi) {
>> + dev_err(&adev->dev, "unable to allocate mem\n");
>> + return -ENOMEM;
>> + }
>> +
>> + pfi->dma_cap = pd->cap_mask;
>> + pfi->filter_fn = pl330_filter;
>> +
>> + ret = of_dma_controller_register(adev->dev.of_node,
>> + of_dma_pl330_xlate, pfi);
>
> Why do you pass a 'struct of_dma_filter_info' here? I would
> expect that you pass the pdmac object as the third argument.
I believe it is because that is the data that the xlate function is
using. Are you suggesting the data should be stored in the pdmac object
and extracted from there? That could be done too given that this
controller has its own xlate.
Cheers
Jon
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