Russell King - ARM Linux <linux@xxxxxxxxxxxxxxxx> writes:
> The first and second arguments shouldn't concern platform code, so
> hide them from each platforms caller.
>
> Signed-off-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>
> ---
> arch/arm/include/asm/suspend.h | 19 +++++++++++++++++++
> arch/arm/include/asm/system.h | 2 --
> arch/arm/kernel/sleep.S | 2 +-
> arch/arm/mach-omap2/pm34xx.c | 5 +++--
> arch/arm/mach-pxa/palmz72.c | 1 +
> arch/arm/mach-pxa/pxa25x.c | 4 ++--
> arch/arm/mach-pxa/pxa27x.c | 4 ++--
> arch/arm/mach-pxa/pxa3xx.c | 3 ++-
> arch/arm/mach-pxa/zeus.c | 4 ++--
> arch/arm/mach-sa1100/pm.c | 3 ++-
> arch/arm/plat-samsung/pm.c | 3 ++-
> 11 files changed, 36 insertions(+), 14 deletions(-)
> create mode 100644 arch/arm/include/asm/suspend.h
>
> diff --git a/arch/arm/include/asm/suspend.h b/arch/arm/include/asm/suspend.h
> new file mode 100644
> index 0000000..8d5b446
> --- /dev/null
> +++ b/arch/arm/include/asm/suspend.h
> @@ -0,0 +1,19 @@
> +#ifndef __ASM_ARM_SUSPEND_H
> +#define __ASM_ARM_SUSPEND_H
> +
> +#include <asm/memory.h>
> +
> +extern void cpu_resume(void);
> +
> +/*
> + * Hide the first two arguments to __cpu_suspend - these are an implementation
> + * detail which platform code shouldn't have to know about.
> + */
> +static inline void cpu_suspend(unsigned long arg, void (*fn)(unsigned long))
> +{
> + extern void __cpu_suspend(int, long, unsigned long,
> + void (*)(unsigned long));
> + __cpu_suspend(0, PHYS_OFFSET - PAGE_OFFSET, arg, fn);
> +}
> +
> +#endif
> diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h
> index 50be605..832888d 100644
> --- a/arch/arm/include/asm/system.h
> +++ b/arch/arm/include/asm/system.h
> @@ -106,8 +106,6 @@ extern void __show_regs(struct pt_regs *);
>
> extern int cpu_architecture(void);
> extern void cpu_init(void);
> -extern void cpu_suspend(int, long, unsigned long, void (*)(unsigned long));
> -extern void cpu_resume(void);
>
> void arm_machine_restart(char mode, const char *cmd);
> extern void (*arm_pm_restart)(char str, const char *cmd);
> diff --git a/arch/arm/kernel/sleep.S b/arch/arm/kernel/sleep.S
> index 5392274..0bdcc72 100644
> --- a/arch/arm/kernel/sleep.S
> +++ b/arch/arm/kernel/sleep.S
> @@ -14,7 +14,7 @@
> * r3 = suspend function
> * Note: does not return until system resumes
> */
> -ENTRY(cpu_suspend)
> +ENTRY(__cpu_suspend)
You missed also changing the ENDPROC here, so it doesn't compile
without:
diff --git a/arch/arm/kernel/sleep.S b/arch/arm/kernel/sleep.S
index 0bdcc72..c156d0e 100644
--- a/arch/arm/kernel/sleep.S
+++ b/arch/arm/kernel/sleep.S
@@ -56,7 +56,7 @@ ENTRY(__cpu_suspend)
bl __cpuc_flush_kern_all
#endif
ldmfd sp!, {r0, pc} @ call suspend fn
-ENDPROC(cpu_suspend)
+ENDPROC(__cpu_suspend)
.ltorg
/*
Kevin
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