linux-kernel - Re: [PATCH] powerpc/8xx: select CPM1 for MPC8XXFADS

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Date:   Wed, 2 Jun 2021 09:44:15 +0200
From:   Christophe Leroy <christophe.leroy@...roup.eu>
To:     trix@...hat.com, mpe@...erman.id.au, benh@...nel.crashing.org,
        paulus@...ba.org
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] powerpc/8xx: select CPM1 for MPC8XXFADS



Le 01/06/2021 à 19:53, trix@...hat.com a écrit :
> From: Tom Rix <trix@...hat.com>
> 
> With MPC8XXFADS, there is this linker error
> ppc64-linux-ld: m8xx_setup.o: in function `cpm_cascade':
> m8xx_setup.c: undefined reference to `cpm_get_irq'

It looks like this config item is stale, it doesn't build any board support, there is no 
define_machine() for this config item, no file is linked to that config item.

I think you should just remove that item from the possible choices.

Christophe


> 
> cpm_get_irq() is conditionally complied by CPM1
> So add a select, like the other plaforms
> 
> Signed-off-by: Tom Rix <trix@...hat.com>
> ---
>   arch/powerpc/platforms/8xx/Kconfig | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/arch/powerpc/platforms/8xx/Kconfig b/arch/powerpc/platforms/8xx/Kconfig
> index 60cc5b537a98..919082cdb2f1 100644
> --- a/arch/powerpc/platforms/8xx/Kconfig
> +++ b/arch/powerpc/platforms/8xx/Kconfig
> @@ -10,6 +10,7 @@ choice
>   
>   config MPC8XXFADS
>   	bool "FADS"
> +	select CPM1
>   
>   config MPC86XADS
>   	bool "MPC86XADS"
>