[PATCH 4/4] arm64: fix missing asm/io.h include in kernel/smp_spin_table.c

[Mark Rutland]

Hi Paul,

On Tue, Jan 06, 2015 at 01:52:26AM +0000, Paul Walmsley wrote:
> On next-20150105, defconfig compilation breaks with:
> 
> arch/arm64/kernel/smp_spin_table.c:80:2: error: implicit declaration of function ‘ioremap_cache’ [-Werror=implicit-function-declaration]
> arch/arm64/kernel/smp_spin_table.c:92:2: error: implicit declaration of function ‘writeq_relaxed’ [-Werror=implicit-function-declaration]
> arch/arm64/kernel/smp_spin_table.c:101:2: error: implicit declaration of function ‘iounmap’ [-Werror=implicit-function-declaration]
> 
> Fix by including asm/io.h, which contains definitions or prototypes
> for these macros or functions.
> 
> Signed-off-by: Paul Walmsley <paul at pwsan.com>
> Cc: Paul Walmsley <pwalmsley at nvidia.com>
> Cc: Catalin Marinas <catalin.marinas at arm.com>
> Cc: Will Deacon <will.deacon at arm.com>
> ---
>  arch/arm64/kernel/smp_spin_table.c |    1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm64/kernel/smp_spin_table.c b/arch/arm64/kernel/smp_spin_table.c
> index 4f93c67e63de..4d9f10b9d869 100644
> --- a/arch/arm64/kernel/smp_spin_table.c
> +++ b/arch/arm64/kernel/smp_spin_table.c
> @@ -26,6 +26,7 @@
>  #include <asm/cpu_ops.h>
>  #include <asm/cputype.h>
>  #include <asm/smp_plat.h>
> +#include <asm/io.h>

Nit: please move between the include of asm/cputype and asm/smp_plat.h,
so as to keep the list in alphabetical order.

Otherwise:

Acked-by: Mark Rutland <mark.rutland at arm.com>

Thanks,
Mark.

>  
>  extern void secondary_holding_pen(void);
>  volatile unsigned long secondary_holding_pen_release = INVALID_HWID;
> 
> 
> 
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