[U-Boot] [RFC PATCH 3/3] ARM: atmel: add RNDIS gadget support

[Marek Vasut <marex@denx.de>]

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