[RFC 2/9] WIP: fix drivers/usb/core/usb.c

[Antony Pavlov]

On Fri, 28 Aug 2015 08:11:59 +0200
Sascha Hauer <s.hauer at pengutronix.de> wrote:

> On Fri, Aug 28, 2015 at 01:24:03AM +0300, Antony Pavlov wrote:
> > drivers/usb/core/usb.c: In function 'usb_parse_config':
> > drivers/usb/core/usb.c:194:28: error: 'struct usb_configuration' has no
> > member named 'wTotalLength'
> >   le16_to_cpus(&(dev->config.wTotalLength));
> >                             ^
> > ...
> > scripts/Makefile.build:249: recipe for target 'drivers/usb/core/usb.o'
> > failed
> > make[3]: *** [drivers/usb/core/usb.o] Error 1
> > scripts/Makefile.build:387: recipe for target 'drivers/usb/core' failed
> > make[2]: *** [drivers/usb/core] Error 2
> > scripts/Makefile.build:387: recipe for target 'drivers/usb' failed
> > make[1]: *** [drivers/usb] Error 2
> > Makefile:770: recipe for target 'drivers' failed
> > make: *** [drivers] Error 2
> > 
> > see also
> > 
> > commit 245069bcef15ecc19db616a967501349b76c84d0
> > Author: Sascha Hauer <s.hauer at pengutronix.de>
> > Date:   Thu Jul 10 11:36:12 2014 +0200
> > 
> >     USB: introduce usb_interface/usb_configuration structs
> > 
> >     Currently we have two conflicting definitions of struct
> > usb_config_descriptor
> >     and struct usb_interface_descriptor in the tree. This is because the
> > USB code
> >     uses additional fields in the structs for internal housekeeping. Add
> >     struct usb_interface and struct struct usb_configuration with the
> > housekeeping
> >     data and embed the corresponding hardware structs into them. This
> > frees the
> >     way to use the definitions from ch9.h in the next step.
> > 
> > Signed-off-by: Antony Pavlov <antonynpavlov at gmail.com>
> > ---
> >  drivers/usb/core/usb.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
> > index 9073fff..f8d6014 100644
> > --- a/drivers/usb/core/usb.c
> > +++ b/drivers/usb/core/usb.c
> > @@ -191,7 +191,7 @@ static int usb_parse_config(struct usb_device *dev, unsigned char *buffer, int c
> >  		return -1;
> >  	}
> >  	memcpy(&dev->config, buffer, buffer[0]);
> > -	le16_to_cpus(&(dev->config.wTotalLength));
> > +	le16_to_cpus(&(dev->config.desc.wTotalLength));
> >  	dev->config.no_of_if = 0;
> 
> 
> What's WIP in this patch? It looks 100% correct.

WIP means that I don't understand why nobody but me detected this build problem.
Have you any idea? 

-- 
Best regards,
  Antony Pavlov