linux-kernel - Re: linux-next: manual merge of the mfd tree with the drm-intel tree

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Date:   Tue, 21 Aug 2018 10:27:48 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Lee Jones <lee.jones@...aro.org>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        "Nikula, Jani" <jani.nikula@...ux.intel.com>,
        joonas.lahtinen@...ux.intel.com, rodrigo.vivi@...el.com,
        Intel Graphics Development <intel-gfx@...ts.freedesktop.org>,
        DRI Development <dri-devel@...ts.freedesktop.org>,
        Linux-Next <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Neil Armstrong <narmstrong@...libre.com>,
        paulo.r.zanoni@...el.com
Subject: Re: linux-next: manual merge of the mfd tree with the drm-intel tree

On Thu, Aug 16, 2018 at 8:05 PM Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> On Thu, 26 Jul 2018 15:10:06 +1000 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> > Today's linux-next merge of the mfd tree got a conflict in:
> >
> >   drivers/gpu/drm/i915/intel_display.h
> >
> > between commit:
> >
> >   6075546f57f8 ("drm/i915/icl: store the port type for TC ports")
> >
> > from the drm-intel tree and commit:
> >
> >   9c229127aee2 ("drm/i915: hdmi: add CEC notifier to intel_hdmi")
> >
> > from the mfd tree.
> >
> > I fixed it up (see below) and can carry the fix as necessary. This
> > is now fixed as far as linux-next is concerned, but any non trivial
> > conflicts should be mentioned to your upstream maintainer when your tree
> > is submitted for merging.  You may also want to consider cooperating
> > with the maintainer of the conflicting tree to minimise any particularly
> > complex conflicts.
> >
> > --
> > Cheers,
> > Stephen Rothwell
> >
> > diff --cc drivers/gpu/drm/i915/intel_display.h
> > index 0a79a46d5805,1f176a71e081..000000000000
> > --- a/drivers/gpu/drm/i915/intel_display.h
> > +++ b/drivers/gpu/drm/i915/intel_display.h
> > @@@ -126,24 -126,30 +126,48 @@@ enum port
> >
> >   #define port_name(p) ((p) + 'A')
> >
> > + /*
> > +  * Ports identifier referenced from other drivers.
> > +  * Expected to remain stable over time
> > +  */
> > + static inline const char *port_identifier(enum port port)
> > + {
> > +     switch (port) {
> > +     case PORT_A:
> > +             return "Port A";
> > +     case PORT_B:
> > +             return "Port B";
> > +     case PORT_C:
> > +             return "Port C";
> > +     case PORT_D:
> > +             return "Port D";
> > +     case PORT_E:
> > +             return "Port E";
> > +     case PORT_F:
> > +             return "Port F";
> > +     default:
> > +             return "<invalid>";
> > +     }
> > + }
> > +
> >  +enum tc_port {
> >  +    PORT_TC_NONE = -1,
> >  +
> >  +    PORT_TC1 = 0,
> >  +    PORT_TC2,
> >  +    PORT_TC3,
> >  +    PORT_TC4,
> >  +
> >  +    I915_MAX_TC_PORTS
> >  +};
> >  +
> >  +enum tc_port_type {
> >  +    TC_PORT_UNKNOWN = 0,
> >  +    TC_PORT_TYPEC,
> >  +    TC_PORT_TBT,
> >  +    TC_PORT_LEGACY,
> >  +};
> >  +
> >   enum dpio_channel {
> >       DPIO_CH0,
> >       DPIO_CH1
>
> This is now a conflict between Linus' tree and the mfd tree.

FTR, it's not this one, but the similar one reported on Jul 19, which does not
add the tc_port_type enum.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds