[PATCH V2 1/2] ARM: SAMSUNG: Add SAMSUNG_PM config option to select pm

[Kukjin Kim]

Amit Daniel wrote:
> 
> This patch enables the selection of samsung pm related stuffs
> when SAMSUNG_PM config is enabled and not just when generic PM
> config is enabled. Power management for s3c64XX and s3c24XX
> is enabled by default and for other platform depends on S5P_PM.
> This patch also fixes the following compilation error's when compiling
> a platform like exynos5440 which does not select pm stuffs.
> 
> arch/arm/mach-exynos/built-in.o: In function `__virt_to_phys':
> linux/arch/arm/include/asm/memory.h:175: undefined reference to
> `s3c_cpu_resume'
> linux/arch/arm/include/asm/memory.h:175: undefined reference to
> `s3c_cpu_resume'
> linux/arch/arm/include/asm/memory.h:175: undefined reference to
> `s3c_cpu_resume'
> linux/arch/arm/include/asm/memory.h:175: undefined reference to
> `s3c_cpu_resume'
> arch/arm/mach-exynos/built-in.o: In function `exynos5_init_irq':
> linux/arch/arm/mach-exynos/common.c:492: undefined reference to
> `s3c_irq_wake'
> linux/arch/arm/mach-exynos/common.c:492: undefined reference to
> `s3c_irq_wake'
> arch/arm/mach-exynos/built-in.o: In function `exynos4_init_irq':
> linux/arch/arm/mach-exynos/common.c:476: undefined reference to
> `s3c_irq_wake'
> linux/arch/arm/mach-exynos/common.c:476: undefined reference to
> `s3c_irq_wake'
> arch/arm/plat-samsung/built-in.o: In function `s3c_irqext_wake':
> linux/arch/arm/plat-samsung/pm.c:144: undefined reference to
> `s3c_irqwake_eintallow'
> linux/arch/arm/plat-samsung/pm.c:144: undefined reference to
> `s3c_irqwake_eintallow'
> arch/arm/plat-samsung/built-in.o: In function `s3c_pm_enter':
> linux/arch/arm/plat-samsung/pm.c:263: undefined reference to
> `s3c_irqwake_intallow'
> linux/arch/arm/plat-samsung/pm.c:263: undefined reference to
> `s3c_irqwake_intallow'
> linux/arch/arm/plat-samsung/pm.c:264: undefined reference to
> `s3c_irqwake_eintallow'
> linux/arch/arm/plat-samsung/pm.c:264: undefined reference to
> `s3c_irqwake_eintallow'
> linux/arch/arm/plat-samsung/pm.c:275: undefined reference to
> `s3c_pm_save_core'
> linux/arch/arm/plat-samsung/pm.c:279: undefined reference to
> `s3c_pm_configure_extint'
> linux/arch/arm/plat-samsung/pm.c:310: undefined reference to
> `s3c_pm_restore_core'
> make: *** [vmlinux] Error 1
> 
> Signed-off-by: Amit Daniel Kachhap <amit.daniel at samsung.com>
> ---
>  arch/arm/mach-exynos/Makefile           |    2 +-
>  arch/arm/mach-exynos/common.c           |    2 +-
>  arch/arm/mach-exynos/common.h           |    1 -
>  arch/arm/mach-exynos/cpuidle.c          |    1 +
>  arch/arm/plat-samsung/Kconfig           |    7 +++++++
>  arch/arm/plat-samsung/Makefile          |    3 +--
>  arch/arm/plat-samsung/include/plat/pm.h |    8 ++++----
>  7 files changed, 15 insertions(+), 9 deletions(-)
> 
> diff --git a/arch/arm/mach-exynos/Makefile b/arch/arm/mach-exynos/Makefile
> index 9811f87..3fa277a 100644
> --- a/arch/arm/mach-exynos/Makefile
> +++ b/arch/arm/mach-exynos/Makefile
> @@ -14,7 +14,7 @@ obj-				:=
> 
>  obj-$(CONFIG_ARCH_EXYNOS)	+= common.o
> 
> -obj-$(CONFIG_PM)		+= pm.o
> +obj-$(CONFIG_S5P_PM)		+= pm.o
>  obj-$(CONFIG_PM_GENERIC_DOMAINS) += pm_domains.o
>  obj-$(CONFIG_CPU_IDLE)		+= cpuidle.o
> 
> diff --git a/arch/arm/mach-exynos/common.c b/arch/arm/mach-exynos/common.c
> index 9834357..d2b4f54 100644
> --- a/arch/arm/mach-exynos/common.c
> +++ b/arch/arm/mach-exynos/common.c
> @@ -799,7 +799,7 @@ static struct irq_chip exynos_irq_eint = {
>  	.irq_mask_ack	= exynos_irq_eint_maskack,
>  	.irq_ack	= exynos_irq_eint_ack,
>  	.irq_set_type	= exynos_irq_eint_set_type,
> -#ifdef CONFIG_PM
> +#ifdef CONFIG_S5P_PM

The 'S5P_PM' is used for plat-samsung/s5p-pm.c and s5p-irq-pm.c for s5pv210.

So there is no problem to use same name for exynos and s5pv210?...

- Kukjin