Re: [PATCH 31/36] powerpc: asm: hvconsole: Move 'hvc_vio_init_early's prototype to shared location

[Michael Ellerman]

Lee Jones <lee.jones@xxxxxxxxxx> writes:
> Fixes the following W=1 kernel build warning(s):
>
>  drivers/tty/hvc/hvc_vio.c:385:13: warning: no previous prototype for ‘hvc_vio_init_early’ [-Wmissing-prototypes]
>  385 | void __init hvc_vio_init_early(void)
>  | ^~~~~~~~~~~~~~~~~~
>
> Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
> Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
> Cc: Paul Mackerras <paulus@xxxxxxxxx>
> Cc: linuxppc-dev@xxxxxxxxxxxxxxxx
> Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>
> ---
>  arch/powerpc/include/asm/hvconsole.h     | 3 +++
>  arch/powerpc/platforms/pseries/pseries.h | 3 ---
>  arch/powerpc/platforms/pseries/setup.c   | 1 +
>  3 files changed, 4 insertions(+), 3 deletions(-)

Acked-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx>

> diff --git a/arch/powerpc/include/asm/hvconsole.h b/arch/powerpc/include/asm/hvconsole.h
> index 999ed5ac90531..936a1ee1ac786 100644
> --- a/arch/powerpc/include/asm/hvconsole.h
> +++ b/arch/powerpc/include/asm/hvconsole.h
> @@ -24,5 +24,8 @@
>  extern int hvc_get_chars(uint32_t vtermno, char *buf, int count);
>  extern int hvc_put_chars(uint32_t vtermno, const char *buf, int count);
>  
> +/* Provided by HVC VIO */
> +extern void hvc_vio_init_early(void);

extern isn't needed, but don't feel you need to respin just to drop it.

cheers