[U-Boot] [PATCH] dm: usb.h: Always declare usb func. prototypes when CONFIG_DM_USB=y

[Marek Vasut <marex@denx.de>]

On Monday, June 08, 2015 at 05:55:31 PM, Hans de Goede wrote:
> Hi,
> 
> On 08-06-15 16:04, Marek Vasut wrote:
> > On Monday, June 08, 2015 at 03:24:34 PM, Hans de Goede wrote:
> >> Hi,
> >> 
> >> On 07-06-15 15:05, Marek Vasut wrote:
> >>> On Saturday, June 06, 2015 at 10:21:22 AM, Hans de Goede wrote:
> >>>> When CONFIG_DM_USB=y the various usb functions are available
> >>>> regardless of any controller drivers being enabled, so always the usb
> >>>> function prototypes when CONFIG_DM_USB=y.
> >>>> 
> >>>> This fixes compile warnings due to missing prototypes on ARCHs where
> >>>> the ARCH Kconfig always enables CONFIG_DM_USB and various usb drivers.
> >>>> 
> >>>> One could argue that in the case of no controllers CONFIG_DM_USB
> >>>> should not be set, but this problem is typically seen during bringup
> >>>> of boards which do actually have usb controllers.
> >>>> 
> >>>> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
> >>>> ---
> >>>> 
> >>>>    include/usb.h | 2 +-
> >>>>    1 file changed, 1 insertion(+), 1 deletion(-)
> >>>> 
> >>>> diff --git a/include/usb.h b/include/usb.h
> >>>> index c709ce2..54ad33a 100644
> >>>> --- a/include/usb.h
> >>>> +++ b/include/usb.h
> >>>> @@ -180,7 +180,7 @@ enum usb_init_type {
> >>>> 
> >>>>    	defined(CONFIG_USB_MUSB_DSPS) || defined(CONFIG_USB_MUSB_AM35X) 
||
> >>>>    	\ defined(CONFIG_USB_MUSB_OMAP2PLUS) ||
> >>>>    	defined(CONFIG_USB_MUSB_SUNXI)
> >>> 
> >>> \
> >>> 
> >>>>    	defined(CONFIG_USB_XHCI) || defined(CONFIG_USB_DWC2) || \
> >>>> 
> >>>> -	defined(CONFIG_USB_EMUL)
> >>>> +	defined(CONFIG_USB_EMUL) || defined(CONFIG_DM_USB)
> >>> 
> >>> What would happen in case we instead dropped this horrible ifdef
> >>> altogether, do you think it'd break anything ?
> >> 
> >> I've not audited the code, but I believe that it only declares a bunch
> >> of function prototypes, so I think that dropping the entire #ifdef is
> >> fine.
> > 
> > So do I :)
> 
> I was actually hoping that you would do it :)

So V2 is coming ? :)

Best regards,
Marek Vasut