[PATCH 6/9] of: remove unused extern reference to devtree_lock

[Benjamin Herrenschmidt]

On Sat, 2010-02-13 at 09:02 -0700, Grant Likely wrote:
> Neither the powerpc nor the microblaze code use devtree_lock anymore.
> Remove the extern reference.
> 
> Signed-off-by: Grant Likely <grant.likely at secretlab.ca>
> ---

Acked-by: Benjamin Herrenschmidt <benh at kernel.crashing.org>


>  arch/microblaze/include/asm/prom.h |    2 --
>  arch/powerpc/kernel/prom.c         |    2 --
>  2 files changed, 0 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/microblaze/include/asm/prom.h b/arch/microblaze/include/asm/prom.h
> index ddc5c57..8b1ebd3 100644
> --- a/arch/microblaze/include/asm/prom.h
> +++ b/arch/microblaze/include/asm/prom.h
> @@ -30,8 +30,6 @@ extern struct device_node *of_chosen;
>  
>  #define HAVE_ARCH_DEVTREE_FIXUPS
>  
> -extern rwlock_t devtree_lock;	/* temporary while merging */
> -
>  /* Other Prototypes */
>  extern int early_uartlite_console(void);
>  
> diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
> index 5bbbdb2..4869c93 100644
> --- a/arch/powerpc/kernel/prom.c
> +++ b/arch/powerpc/kernel/prom.c
> @@ -67,8 +67,6 @@ int __initdata iommu_force_on;
>  unsigned long tce_alloc_start, tce_alloc_end;
>  #endif
>  
> -extern rwlock_t devtree_lock;	/* temporary while merging */
> -
>  /* export that to outside world */
>  struct device_node *of_chosen;
>  
> 
> --
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