[PATCH 03/41] ARM: restart: remove s3c24xx restart handler

[Kukjin Kim]

Russell King - ARM Linux wrote:
> 
> Remove the s3c24xx restart handler, which is trying to work around
> a chip bug by keeping caches on but flushed.  As we now only disable
> caches when performing a soft reboot, there doesn't need to be a
> work-around to do that.
> 
> Signed-off-by: Russell King <rmk+kernel at arm.linux.org.uk>

Acked-by: Kukjin Kim <kgene.kim at samsung.com>

Thanks for removing some workaround :)

Best regards,
Kgene.
--
Kukjin Kim <kgene.kim at samsung.com>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.

> ---
>  arch/arm/plat-s3c24xx/cpu.c |   23 -----------------------
>  1 files changed, 0 insertions(+), 23 deletions(-)
> 
> diff --git a/arch/arm/plat-s3c24xx/cpu.c b/arch/arm/plat-s3c24xx/cpu.c
> index 3c63353..1121df1 100644
> --- a/arch/arm/plat-s3c24xx/cpu.c
> +++ b/arch/arm/plat-s3c24xx/cpu.c
> @@ -192,27 +192,6 @@ static unsigned long s3c24xx_read_idcode_v4(void)
>  	return __raw_readl(S3C2410_GSTATUS1);
>  }
> 
> -/* Hook for arm_pm_restart to ensure we execute the reset code
> - * with the caches enabled. It seems at least the S3C2440 has a problem
> - * resetting if there is bus activity interrupted by the reset.
> - */
> -static void s3c24xx_pm_restart(char mode, const char *cmd)
> -{
> -	if (mode != 's') {
> -		unsigned long flags;
> -
> -		local_irq_save(flags);
> -		__cpuc_flush_kern_all();
> -		__cpuc_flush_user_all();
> -
> -		arch_reset(mode, cmd);
> -		local_irq_restore(flags);
> -	}
> -
> -	/* fallback, or unhandled */
> -	arm_machine_restart(mode, cmd);
> -}
> -
>  void __init s3c24xx_init_io(struct map_desc *mach_desc, int size)
>  {
>  	/* initialise the io descriptors we need for initialisation */
> @@ -226,7 +205,5 @@ void __init s3c24xx_init_io(struct map_desc
*mach_desc,
> int size)
>  	}
>  	s3c24xx_init_cpu();
> 
> -	arm_pm_restart = s3c24xx_pm_restart;
> -
>  	s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids));
>  }
> --
> 1.7.4.4