[U-Boot] [PATCH] usb:udc:samsung Add functions for storing private gadget data in UDC driver

[Lukasz Majewski]

Hi Marek Vasut,

> Dear Lukasz Majewski,
> 
> > This commit adds support for storing private data to Samsung's UDC
> > driver. This data is afterward used by usb gadget.
> > 
> > Signed-off-by: Lukasz Majewski <l.majewski at samsung.com>
> > Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
> > Cc: Marek Vasut <marex at denx.de>
> > ---
> >  drivers/usb/gadget/s3c_udc_otg.c |   12 ++++++++++++
> >  1 files changed, 12 insertions(+), 0 deletions(-)
> > 
> > diff --git a/drivers/usb/gadget/s3c_udc_otg.c
> > b/drivers/usb/gadget/s3c_udc_otg.c index f7f7b54..cb4916c 100644
> > --- a/drivers/usb/gadget/s3c_udc_otg.c
> > +++ b/drivers/usb/gadget/s3c_udc_otg.c
> > @@ -133,6 +133,18 @@ static void nuke(struct s3c_ep *ep, int
> > status); static int s3c_udc_set_halt(struct usb_ep *_ep, int value);
> >  static void s3c_udc_set_nak(struct s3c_ep *ep);
> > 
> > +void set_udc_gadget_private_data(void *p)
> > +{
> > +	printf("%s: the_controller: 0x%p, p: 0x%p\n", __func__,
> > +	       the_controller, p);
> > +	the_controller->gadget.dev.device_data = p;
> > +}
> > +
> > +void *get_udc_gadget_private_data(struct usb_gadget *gadget)
> > +{
> > +	return gadget->dev.device_data;
> > +}
> > +
> 
> Is this part of some bigger patchset or are you simply adding dead
> code?

Yes, this is the part of a bigger patchset :-) - the composite gadget
(g_dnl) requires this change.

e.g.

http://patchwork.ozlabs.org/patch/151989/

> 
> >  static struct usb_ep_ops s3c_ep_ops = {
> >  	.enable = s3c_ep_enable,
> >  	.disable = s3c_ep_disable,
> 
> Best regards,
> Marek Vasut



-- 
Best regards,

Lukasz Majewski

Samsung Poland R&D Center
Platform Group