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

[Marek Vasut]

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 at 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 :)

Best regards,
Marek Vasut