Re: [PATCH] PXA27x UDC driver.

On Thu, Jun 28, 2007 at 02:53:22PM -0700, David Brownell wrote:
> 
> Let's start with *JUST* a driver, not trying to update everything
> else in the USB Gadget stack so that it looks like it's designed
> specifically to handle all of Intel's design botches related to
> endpoint config ... and work worse for essentially everything else.
> 
> (Unlike pretty much every other vendor, Intel wanted hardware config
> management.  It was unusably buggy in pxa21x/25x/26x, and not much
> better in pxa27x.)
> 
> 
> So in technical terms, and to repeat what I've said before:  just
> configure it to act more like a PXA 25x chip (no altsettings) and
> get it so it passes all the tests [1], modulo errata which have no
> workarounds ... then submit that.  No epautoconfig updates, no
> patches to every gadget driver to cope with updated autoconfig.

This looks interesting... as you alredy told this driver derives from
an older one, I just maintained it till now.

If I well understand I should remove usb_ep_autoconfig() and program
into the controller only one (the default) configuration. Is that
right?

Currently I tested the driver only with ether gadget, but if I do as
above, should I get the driver working with all gadgets automagically?
:)

Thanks a lot,

Rodolfo

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