ARM: restart: remove s3c24xx restart handler

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.

Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

diff --git a/arch/arm/plat-s3c24xx/cpu.c b/arch/arm/plat-s3c24xx/cpu.c
index 3c6335307fb12afd53cf3b9bdbee6cc0983f1a86..1121df13e15f52de91d7d30ee41399950e60ee72 100644 (file)
--- 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));
 }