Re: [PATCH v2 1/2] usb: musb: cppi41: Add new functions for platform driver

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On 01/18/2017 12:29 AM, Tony Lindgren wrote:
> * Alexandre Bailon <abailon@xxxxxxxxxxxx> [170117 05:16]:
>> Currently, the CPPI 4.1 driver is not completely generic and
>> only work on dsps.
>> Add two functions which will help to move platform code from CPPI 4.1 to
>> MUSB glue driver:
>> - cppi41_register_dma_callback() to register a platform dma_callback
>>   (e.g to acknowledge interrupt on DMA completion).
>> - cppi41_dma_controller_to_musb() to convert a dma_controller pointer to
>>   a musb pointer. This is required to get a musb pointer from DMA callbacks.
> 
> Can't you just add a new function to struct dma_controller in musb_dma.h?
Yes, I can add the dma_callback function to dma_controller and then
remove cppi41_register_dma_callback().
But I still to define cppi41_dma_controller_to_musb() except if I add a
musb pointer to dma_controller.

Regards,
Alexandre
> 
> Regards,
> 
> Tony
> 

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