Re: [linux-usb-devel] [RFC] USB: driver for iphone charging

[Greg KH <greg@kroah.com>]

On Fri, Aug 24, 2007 at 04:23:13PM +0200, Oliver Neukum wrote:
> Am Freitag 24 August 2007 schrieb Alan Stern:
> > On Fri, 24 Aug 2007, Oliver Neukum wrote:
> > 
> > > This schedules the change via a workqueue, so you'll be reprobed. If you
> > > fire of the first vendor command you are doing so before the configuration
> > > is changed. How is this supposed to work?
> > 
> > I would do it like this:
> 
> That makes sense. However, Greg's version might work by putting
> out a magic init sequence and then changing the configuration.
> Then it would just be coded in an obscure way.

Without any docs, this is all obscure :)

> However, does this really belong into kernel space? We have been
> knowing that user space infrastructure for configuration selection
> is necessary and this seems like a fine starting point.

The berry_charge driver is also one that might be done in userspace, but
it turns out that people update their kernel much more than they do
userspace packages...

thanks,

greg k-h