Hi
On 2016-05-04, Linus Torvalds wrote:
> On Wed, May 4, 2016 at 12:28 PM, Stefan Lippers-Hollmann <s....@gmx.de> wrote:
> >
> > --- a/drivers/media/media-device.c
> > +++ b/drivers/media/media-device.c
> > @@ -875,7 +875,7 @@ void __media_device_usb_init(struct medi
> > const char *board_name,
> > const char *driver_name)
> > {
> > -#ifdef CONFIG_USB
> > +#if defined(CONFIG_USB) || defined(CONFIG_USB_MODULE)
>
> Ok, that should be fine. Can you verify that it builds and works even
> if USB isn't compiled in, but the media core code is?
>
> IOW, can you test the
>
> CONFIG_USB=m
> CONFIG_MEDIA_CONTROLLER=y
> CONFIG_MEDIA_SUPPORT=y
Builds (without warnings in drivers/media/media-device.*) and works fine
as well.
> case? Judging by your oops stack trace, I think you currently have
> MEDIA_SUPPORT=m.
My usual configuration (which, as mentioned in the previous mail, now
builds and works as well) is:
CONFIG_MEDIA_SUPPORT=m
CONFIG_MEDIA_CONTROLLER=y
CONFIG_USB=m
> Also, I do wonder if we should move that #if to _outside_ the
> function. Because inside the function, things will compile but
> silently not work (like you found), if it is ever mis-used. Outside
> that function, you'll get link-errors if you try to misuse that
> function.
That would probably be the best approach.
Regards
Stefan Lippers-Hollmann
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