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SubjectRe: [PATCH v2] drm/nouveau/bios: Rename prom_init() and friends functions
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Reviewed-by: Lyude Paul <lyude@redhat.com>

Will push to drm-misc-next

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

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