[PATCH] drm/dp_mst: Fix build on systems with STACKTRACE_SUPPORT=n

[Daniel Vetter]

On Mon, Dec 02, 2019 at 01:49:47PM -0500, Lyude Paul wrote:
> Reviewed-by: Lyude Paul <lyude at redhat.com>
> 
> I'll go ahead and push this to drm-misc-next, thanks!

drm-misc-next-fixes since it's in the merge window. drm-misc-next is for
5.6 already.
-Daniel

> 
> On Mon, 2019-12-02 at 16:20 +0100, Geert Uytterhoeven wrote:
> > On Mon, Dec 2, 2019 at 2:41 PM Guenter Roeck <linux at roeck-us.net> wrote:
> > > On systems with STACKTRACE_SUPPORT=n, we get:
> > > 
> > > WARNING: unmet direct dependencies detected for STACKTRACE
> > >   Depends on [n]: STACKTRACE_SUPPORT
> > >   Selected by [y]:
> > >   - STACKDEPOT [=y]
> > > 
> > > and build errors such as:
> > > 
> > > m68k-linux-ld: kernel/stacktrace.o: in function `stack_trace_save':
> > > (.text+0x11c): undefined reference to `save_stack_trace'
> > > 
> > > Add the missing deendency on STACKTRACE_SUPPORT.
> > > 
> > > Fixes: 12a280c72868 ("drm/dp_mst: Add topology ref history tracking for
> > > debugging")
> > > Cc: Lyude Paul <lyude at redhat.com>
> > > Cc: Sean Paul <sean at poorly.run>
> > > Signed-off-by: Guenter Roeck <linux at roeck-us.net>
> > 
> > Acked-by: Geert Uytterhoeven <geert at linux-m68k.org>
> > 
> > Gr{oetje,eeting}s,
> > 
> >                         Geert
> > 
> -- 
> Cheers,
> 	Lyude Paul
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch