[PATCH] ARM: imx: compile fix for hotplug.c

[Arnd Bergmann]

On Thursday 02 May 2013, Shawn Guo wrote:
> Commit bca7a5a (ARM: cpu hotplug: remove majority of cache flushing
> from platforms) removes include of <asm/cacheflush.h> and hence
> discovers a few indirect inclusion and declaration problems as below.
> 
>   CC      arch/arm/mach-imx/hotplug.o
> In file included from arch/arm/mach-imx/hotplug.c:16:0:
> arch/arm/mach-imx/common.h:100:29: warning: ‘struct pt_regs’ declared inside parameter list [enabled by default]
> arch/arm/mach-imx/common.h:100:29: warning: its scope is only this definition or declaration, which is probably not what you want [enabled by default]
> arch/arm/mach-imx/common.h:101:29: warning: ‘struct pt_regs’ declared inside parameter list [enabled by default]
> arch/arm/mach-imx/hotplug.c: In function ‘imx_cpu_die’:
> arch/arm/mach-imx/hotplug.c:53:2: error: implicit declaration of function ‘cpu_do_idle’ [-Werror=implicit-function-declaration]
> arch/arm/mach-imx/hotplug.c: In function ‘imx_cpu_kill’:
> arch/arm/mach-imx/hotplug.c:58:26: error: ‘jiffies’ undeclared (first use in this function)
> arch/arm/mach-imx/hotplug.c:58:26: note: each undeclared identifier is reported only once for each function it appears in
> arch/arm/mach-imx/hotplug.c:58:2: error: implicit declaration of function ‘msecs_to_jiffies’ [-Werror=implicit-function-declaration]
> arch/arm/mach-imx/hotplug.c:61:3: error: implicit declaration of function ‘time_after’ [-Werror=implicit-function-declaration]
> 
> Fix them by adding the needed inclusion and declaration.
> 
> Signed-off-by: Shawn Guo <shawn.guo at linaro.org>

Acked-by: Arnd Bergmann <arnd at arndb.de>

I found the same thing today, and there seems to be a similar problem for highbank.

	Arnd