[PATCH v2 36/38] ARM: EXYNOS: Use exynos_init_io() as map_io callback

[Kukjin Kim]

Tomasz Figa wrote:
> 
> Since there is no board specific mapping needed on Exynos,
> exynos_init_io() can be simplified and used as map_io callback for both
> Exynos4 and Exynos5.
> 
> Signed-off-by: Arnd Bergmann <arnd at arndb.de>
> Signed-off-by: Tomasz Figa <t.figa at samsung.com>
> Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
> ---
>  arch/arm/mach-exynos/common.c          | 5 +----
>  arch/arm/mach-exynos/common.h          | 2 +-
>  arch/arm/mach-exynos/mach-exynos4-dt.c | 7 +------
>  arch/arm/mach-exynos/mach-exynos5-dt.c | 7 +------
>  4 files changed, 4 insertions(+), 17 deletions(-)
> 
> diff --git a/arch/arm/mach-exynos/common.c b/arch/arm/mach-exynos/common.c
> index 91d457f..561890f 100644
> --- a/arch/arm/mach-exynos/common.c
> +++ b/arch/arm/mach-exynos/common.c
> @@ -351,15 +351,12 @@ int __init exynos_fdt_map_chipid(unsigned long node,
> const char *uname,
>   * register the standard cpu IO areas
>   */
> 
> -void __init exynos_init_io(struct map_desc *mach_desc, int size)
> +void __init exynos_init_io(void)
>  {
>  	debug_ll_io_init();
> 
>  	of_scan_flat_dt(exynos_fdt_map_chipid, NULL);
> 
> -	if (mach_desc)
> -		iotable_init(mach_desc, size);
> -
>  	/* detect cpu id and rev. */
>  	s5p_init_cpu(S5P_VA_CHIPID);
> 
> diff --git a/arch/arm/mach-exynos/common.h b/arch/arm/mach-exynos/common.h
> index 1c83f95..38d45fd 100644
> --- a/arch/arm/mach-exynos/common.h
> +++ b/arch/arm/mach-exynos/common.h
> @@ -19,7 +19,7 @@ void exynos_init_time(void);
>  extern unsigned long xxti_f, xusbxti_f;
> 
>  struct map_desc;
> -void exynos_init_io(struct map_desc *mach_desc, int size);
> +void exynos_init_io(void);
>  void exynos4_restart(char mode, const char *cmd);
>  void exynos5_restart(char mode, const char *cmd);
>  void exynos_init_late(void);
> diff --git a/arch/arm/mach-exynos/mach-exynos4-dt.c b/arch/arm/mach-
> exynos/mach-exynos4-dt.c
> index df15726..0099c6c 100644
> --- a/arch/arm/mach-exynos/mach-exynos4-dt.c
> +++ b/arch/arm/mach-exynos/mach-exynos4-dt.c
> @@ -23,11 +23,6 @@
> 
>  #include "common.h"
> 
> -static void __init exynos4_dt_map_io(void)
> -{
> -	exynos_init_io(NULL, 0);
> -}
> -
>  static void __init exynos4_dt_machine_init(void)
>  {
>  	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
> @@ -55,7 +50,7 @@ static void __init exynos4_reserve(void)
>  DT_MACHINE_START(EXYNOS4210_DT, "Samsung Exynos4 (Flattened Device
Tree)")
>  	/* Maintainer: Thomas Abraham <thomas.abraham at linaro.org> */
>  	.smp		= smp_ops(exynos_smp_ops),
> -	.map_io		= exynos4_dt_map_io,
> +	.map_io		= exynos_init_io,
>  	.init_early	= exynos_firmware_init,
>  	.init_machine	= exynos4_dt_machine_init,
>  	.init_late	= exynos_init_late,
> diff --git a/arch/arm/mach-exynos/mach-exynos5-dt.c b/arch/arm/mach-
> exynos/mach-exynos5-dt.c
> index 8777310..ab54770 100644
> --- a/arch/arm/mach-exynos/mach-exynos5-dt.c
> +++ b/arch/arm/mach-exynos/mach-exynos5-dt.c
> @@ -27,11 +27,6 @@
>  static u64 dma_mask64 = DMA_BIT_MASK(64);
>  static u64 dma_mask32 = DMA_BIT_MASK(32);
> 
> -static void __init exynos5_dt_map_io(void)
> -{
> -	exynos_init_io(NULL, 0);
> -}
> -
>  static int exynos5440_platform_notifier(struct notifier_block *nb,
>  				  unsigned long event, void *__dev)
>  {
> @@ -105,7 +100,7 @@ static void __init exynos5_reserve(void)
>  DT_MACHINE_START(EXYNOS5_DT, "SAMSUNG EXYNOS5 (Flattened Device Tree)")
>  	/* Maintainer: Kukjin Kim <kgene.kim at samsung.com> */
>  	.smp		= smp_ops(exynos_smp_ops),
> -	.map_io		= exynos5_dt_map_io,
> +	.map_io		= exynos_init_io,
>  	.init_machine	= exynos5_dt_machine_init,
>  	.init_late	= exynos_init_late,
>  	.init_time	= exynos_init_time,
> --
> 1.8.2.1

Looks good to me, but I think, this change has been submitted by Arnd even
though you did split, so the author should be Arnd. As you know, it is very
important. Let me fix this and some patches when I apply. If any problems,
let me know.

Thanks,
- Kukjin