Re: [PATCH v1 1/9] powerpc/machdep: Define 'compatible' property in ppc_md and use it

From: Nathan Lynch
Date: Wed Feb 15 2023 - 13:46:14 EST


Christophe Leroy <christophe.leroy@xxxxxxxxxx> writes:

> Most probe functions do nothing else than checking whether
> the machine is compatible to a given string.
>
> Define that string in ppc_md structure and check it directly from
> probe_machine() instead of using ppc_md.probe() for that.
>
> Keep checking in ppc_md.probe() only for more complex probing.
>
> Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxxxxxx>
> ---
> v3: New
> ---
> arch/powerpc/include/asm/machdep.h | 1 +
> arch/powerpc/kernel/setup-common.c | 13 +++++++------
> 2 files changed, 8 insertions(+), 6 deletions(-)
>
> diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h
> index 378b8d5836a7..c5dfe5ff923c 100644
> --- a/arch/powerpc/include/asm/machdep.h
> +++ b/arch/powerpc/include/asm/machdep.h
> @@ -20,6 +20,7 @@ struct pci_host_bridge;
>
> struct machdep_calls {
> char *name;
> + char *compatible;

Seems like 'compatible' ought to be const char *? Possibly 'name' also.
I'm able to build ppc64le with those changes, at least.