[PATCH 3.0] fix compile warnings in plat-iop/cp6.c

[Russell King - ARM Linux]

On Fri, Jul 22, 2011 at 04:28:01PM +0200, Mikael Pettersson wrote:
> Sure, that works too.  Revised patch below.  Only tested on n2100 so far.

Do you know when this started to go wrong - do we need to copy it to some
stable trees?

Other than that, looks fine, so -> patch system please.

Thanks.

> 
> Building kernel 3.0 for an n2100 (plat-iop) results in:
> 
> In file included from arch/arm/plat-iop/cp6.c:20:
> /tmp/linux-3.0/arch/arm/include/asm/traps.h:12: warning: 'struct pt_regs' declared inside parameter list
> /tmp/linux-3.0/arch/arm/include/asm/traps.h:12: warning: its scope is only this definition or declaration, which is probably not what you want
> /tmp/linux-3.0/arch/arm/include/asm/traps.h:48: warning: 'struct pt_regs' declared inside parameter list
> /tmp/linux-3.0/arch/arm/include/asm/traps.h:48: warning: 'struct task_struct' declared inside parameter list
> arch/arm/plat-iop/cp6.c:45: warning: initialization from incompatible pointer type
> 
> Nothing here depends on the layout of pt_regs or task_struct, so this
> can be fixed by adding forward struct declarations to asm/traps.h.
> 
> Signed-off-by: Mikael Pettersson <mikpe at it.uu.se>
> ---
> --- linux-3.0/arch/arm/include/asm/traps.h.~1~	2011-05-19 06:06:34.000000000 +0200
> +++ linux-3.0/arch/arm/include/asm/traps.h	2011-07-22 16:14:50.000000000 +0200
> @@ -3,6 +3,9 @@
>  
>  #include <linux/list.h>
>  
> +struct pt_regs;
> +struct task_struct;
> +
>  struct undef_hook {
>  	struct list_head node;
>  	u32 instr_mask;
> 
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