On Thu, 14 Apr 2011, Greg KH wrote:
> On Thu, Apr 14, 2011 at 11:35:43AM -0400, Alan Stern wrote:
> > On Thu, 14 Apr 2011, Heiko [iso-8859-1] St?bner wrote:
> >
> > > From: Thomas Abraham <thomas...@samsung.com>
> > >
> > > The Samsung's S3C2416, S3C2443 and S3C2450 includes a USB High-Speed
> > > device controller module. This driver enables support for USB high-speed
> > > gadget functionality for the Samsung S3C24xx SoC's that include this
> > > controller.
> > >
> > > Signed-off-by: Thomas Abraham <thomas...@samsung.com>
> > > Signed-off-by: Sangbeom Kim <sbki...@samsung.com>
> > > Signed-off-by: Kukjin Kim <kgene....@samsung.com>
> > > Signed-off-by: Alexander Neumann <alexan...@bumpern.de>
> > > Signed-off-by: Heiko Stuebner <he...@sntech.de>
> >
> > ...
> >
> > > +static struct usb_ep_ops s3c_hsudc_ep_ops = {
> > > + .enable = s3c_hsudc_ep_enable,
> > > + .disable = s3c_hsudc_ep_disable,
> > > + .alloc_request = s3c_hsudc_alloc_request,
> > > + .free_request = s3c_hsudc_free_request,
> > > + .queue = s3c_hsudc_queue,
> > > + .dequeue = s3c_hsudc_dequeue,
> > > + .set_halt = s3c_hsudc_set_halt,
> > > +};
> >
> > There's no .set_wedge method. Why do people always leave this out?
>
> Does the code spit out a nasty warning if this isn't set? If not, I
> would suggest adding it so that this doesn't keep happening.
>
> Or just refuse to be able to register the structure, that would stop it
> right away :)
In fact, set_wedge is optional. But it's so easy to implement, there's
no good reason for leaving it out.
I suspect what's happening is that people are just basing their new
drivers on other drivers from very old kernel versions, before
set_wedge was added.
Alan Stern
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