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Message-ID: <8c6e570f5e65e4f5abebc136d40d567e9af4f940.camel@redhat.com>
Subject: Re: [PATCH v2] drm/nouveau/bios: Rename prom_init() and friends
 functions
From:   Lyude Paul <lyude@redhat.com>
To:     Michael Ellerman <mpe@ellerman.id.au>,
        Christophe Leroy <christophe.leroy@csgroup.eu>,
        Ben Skeggs <bskeggs@redhat.com>,
        Karol Herbst <kherbst@redhat.com>,
        David Airlie <airlied@linux.ie>,
        Daniel Vetter <daniel@ffwll.ch>
Cc:     dri-devel@lists.freedesktop.org, nouveau@lists.freedesktop.org,
        linux-kernel@vger.kernel.org
Date:   Wed, 08 Jun 2022 16:48:34 -0400
In-Reply-To: <8735ggeih2.fsf@mpe.ellerman.id.au>
References: <7e0612b61511ec8030e3b2dcbfaa7751781c8b91.1647684507.git.christophe.leroy@csgroup.eu>
         <f6e72c6e6d9ae9019ad675081493372f745cbbf5.camel@redhat.com>
         <8735ggeih2.fsf@mpe.ellerman.id.au>
Organization: Red Hat Inc.
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Whoops, it totally may have. Thank you for the reminder, I will double check
and make sure this gets pushed today

On Tue, 2022-06-07 at 23:00 +1000, Michael Ellerman wrote:
> Lyude Paul <lyude@redhat.com> writes:
> > Reviewed-by: Lyude Paul <lyude@redhat.com>
> > 
> > Will push to drm-misc-next
> 
> I don't see this patch in mainline or drm-misc-next, did it get lost?
> 
> cheers
> 
> > On Sat, 2022-03-19 at 11:27 +0100, Christophe Leroy wrote:
> > > While working at fixing powerpc headers, I ended up with the
> > > following error.
> > > 
> > >         drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowrom.c:48:1:
> > > error:
> > > conflicting types for 'prom_init'; have 'void *(struct nvkm_bios *,
> > > const
> > > char *)'
> > >         make[5]: *** [scripts/Makefile.build:288:
> > > drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowrom.o] Error 1
> > > 
> > > powerpc and a few other architectures have a prom_init() global
> > > function.
> > > One day or another it will conflict with the one in shadowrom.c
> > > 
> > > Those being static, they can easily be renamed. Do it.
> > > 
> > > While at it, also rename the ops structure as 'nvbios_prom' instead of
> > > 'nvbios_rom' in order to make it clear that it refers to the
> > > NV_PROM device.
> > > 
> > > Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
> > > ---
> > > v2: using nvbios_prom prefix instead of nvbios_rom. Changed structure
> > > name
> > > to keep things consistant.
> > > 
> > >  drivers/gpu/drm/nouveau/nvkm/subdev/bios/priv.h    |  2 +-
> > >  drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c  |  2 +-
> > >  .../gpu/drm/nouveau/nvkm/subdev/bios/shadowrom.c   | 14 +++++++-------
> > >  3 files changed, 9 insertions(+), 9 deletions(-)
> > > 
> > > diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/priv.h
> > > b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/priv.h
> > > index fac1bff1311b..cfa8a0c356dd 100644
> > > --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/priv.h
> > > +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/priv.h
> > > @@ -19,7 +19,7 @@ struct nvbios_source {
> > >  int nvbios_extend(struct nvkm_bios *, u32 length);
> > >  int nvbios_shadow(struct nvkm_bios *);
> > >  
> > > -extern const struct nvbios_source nvbios_rom;
> > > +extern const struct nvbios_source nvbios_prom;
> > >  extern const struct nvbios_source nvbios_ramin;
> > >  extern const struct nvbios_source nvbios_acpi_fast;
> > >  extern const struct nvbios_source nvbios_acpi_slow;
> > > diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c
> > > b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c
> > > index 4b571cc6bc70..19188683c8fc 100644
> > > --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c
> > > +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c
> > > @@ -171,7 +171,7 @@ nvbios_shadow(struct nvkm_bios *bios)
> > >         struct shadow mthds[] = {
> > >                 { 0, &nvbios_of },
> > >                 { 0, &nvbios_ramin },
> > > -               { 0, &nvbios_rom },
> > > +               { 0, &nvbios_prom },
> > >                 { 0, &nvbios_acpi_fast },
> > >                 { 4, &nvbios_acpi_slow },
> > >                 { 1, &nvbios_pcirom },
> > > diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowrom.c
> > > b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowrom.c
> > > index ffa4b395220a..39144ceb117b 100644
> > > --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowrom.c
> > > +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowrom.c
> > > @@ -25,7 +25,7 @@
> > >  #include <subdev/pci.h>
> > >  
> > >  static u32
> > > -prom_read(void *data, u32 offset, u32 length, struct nvkm_bios *bios)
> > > +nvbios_prom_read(void *data, u32 offset, u32 length, struct nvkm_bios
> > > *bios)
> > >  {
> > >         struct nvkm_device *device = data;
> > >         u32 i;
> > > @@ -38,14 +38,14 @@ prom_read(void *data, u32 offset, u32 length, struct
> > > nvkm_bios *bios)
> > >  }
> > >  
> > >  static void
> > > -prom_fini(void *data)
> > > +nvbios_prom_fini(void *data)
> > >  {
> > >         struct nvkm_device *device = data;
> > >         nvkm_pci_rom_shadow(device->pci, true);
> > >  }
> > >  
> > >  static void *
> > > -prom_init(struct nvkm_bios *bios, const char *name)
> > > +nvbios_prom_init(struct nvkm_bios *bios, const char *name)
> > >  {
> > >         struct nvkm_device *device = bios->subdev.device;
> > >         if (device->card_type == NV_40 && device->chipset >= 0x4c)
> > > @@ -55,10 +55,10 @@ prom_init(struct nvkm_bios *bios, const char *name)
> > >  }
> > >  
> > >  const struct nvbios_source
> > > -nvbios_rom = {
> > > +nvbios_prom = {
> > >         .name = "PROM",
> > > -       .init = prom_init,
> > > -       .fini = prom_fini,
> > > -       .read = prom_read,
> > > +       .init = nvbios_prom_init,
> > > +       .fini = nvbios_prom_fini,
> > > +       .read = nvbios_prom_read,
> > >         .rw = false,
> > >  };
> > 
> > -- 
> > Cheers,
> >  Lyude Paul (she/her)
> >  Software Engineer at Red Hat
> 

-- 
Cheers,
 Lyude Paul (she/her)
 Software Engineer at Red Hat