Re: [PATCH] usb: gadget: #include device.h in gadget.h

[Greg KH]

On Thu, Jul 08, 2010 at 01:03:27PM +0400, Sergei Shtylyov wrote:
> Hello.
> 
> Greg KH wrote:
> 
> >>gadget.h uses structures defined in device.h, it must include it. In
> >>most cases, gadget.h is preceded by linux/platform_device.h, but if
> >>you are grouping headers sanely, device.h may not be pulled in until
> >>*after* gadget (e.g. mach/msm_device.h), thus gadget.h should not
> >>rely on something else #including device.h
> 
>    As well as a number of other headers. I have postaed a patch
> addressing the missing #include's already.

Yes I know, and my same statment stands.

> >>include/linux/usb/gadget.h:488: error: field 'dev' has incomplete type
> 
> >Why not just provide an "empty" prototype for whatever is needed.
> 
>    Empty prototype of what, 'struct device'? Have you looked at the code at all?

Nope, I try not to :)

> 	struct device			dev;

Ok, that wouldn't work.

> >How about just fixing up the .c file that the problem happens in, to
> >include device.h first?  Is this an issue in the current tree somehow?
> 
>    In my opinion, this is just insane approach.

Sorry, but that seems to go against what the rest of the kernel is
doing.

thanks,

greg k-h
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