[U-Boot] [RFC PATCH 3/3] ARM: atmel: add RNDIS gadget support
Marek Vasut
marex at denx.de
Wed Sep 4 03:55:59 CEST 2013
Dear Bo Shen,
> Hi Marek Vasut,
>
> On 09/04/2013 06:31 AM, Marek Vasut wrote:
>
> [snip]
>
> >> +#ifdef CONFIG_USB_GADGET_ATMEL_USBA
> >> +#define EP(nam, idx, maxpkt, maxbk, dma, isoc) \
> >> + [idx] = { \
> >> + .name = nam, \
> >> + .index = idx, \
> >> + .fifo_size = maxpkt, \
> >> + .nr_banks = maxbk, \
> >> + .can_dma = dma, \
> >> + .can_isoc = isoc, \
> >> + }
> >> +
> >> +static struct usba_ep_data usba_udc_ep[] = {
> >> + EP("ep0", 0, 64, 1, 0, 0),
> >> + EP("ep1", 1, 1024, 3, 1, 0),
> >> + EP("ep2", 2, 1024, 3, 1, 0),
> >> + EP("ep3", 3, 1024, 2, 1, 0),
> >> + EP("ep4", 4, 1024, 2, 1, 0),
> >> + EP("ep5", 5, 1024, 2, 1, 0),
> >> + EP("ep6", 6, 1024, 2, 1, 0),
> >> + EP("ep7", 7, 1024, 2, 1, 0),
> >> + EP("ep8", 8, 1024, 2, 0, 0),
> >> + EP("ep9", 9, 1024, 2, 0, 0),
> >> + EP("ep10", 10, 1024, 2, 0, 0),
> >> + EP("ep11", 11, 1024, 2, 0, 0),
> >> + EP("ep12", 12, 1024, 2, 0, 0),
> >> + EP("ep13", 13, 1024, 2, 0, 0),
> >> + EP("ep14", 14, 1024, 2, 0, 0),
> >> + EP("ep15", 15, 1024, 2, 0, 0),
> >> +};
> >
> > Can this not be part of the driver itself ?
>
> I have considered to put this in driver, however, different Atmel SoC
> have different attributes for each endpoint and different number of
> endpoint.
>
> for example;
> at91sam9x5: EP("ep1", 1, 1024, 2, 1, 1)
> sama5d3x: EP("ep1", 1, 1024, 3, 1, 0)
>
> So, if I put this in driver, there will be many #ifdef. If newly SoC
> added, maybe we will need to add #ifdef again. So, I put it here.
Can you not pull it into some header file at least? Having it in the board file
will clearly result in duplication.
Best regards,
Marek Vasut
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