ARM: kexec: use soft_restart for branching to the reboot buffer

Now that there is a common way to reset the machine, let's use it
instead of reinventing the wheel in the kexec backend.

Signed-off-by: Will Deacon <will.deacon@arm.com>

1 files changed, 3 insertions, 12 deletions

diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c
index 29620b632ed9..764bd456d84f 100644
--- a/arch/arm/kernel/machine_kexec.c
+++ b/arch/arm/kernel/machine_kexec.c
@@ -12,12 +12,11 @@
 #include <asm/mmu_context.h>
 #include <asm/cacheflush.h>
 #include <asm/mach-types.h>
+#include <asm/system.h>
 
 extern const unsigned char relocate_new_kernel[];
 extern const unsigned int relocate_new_kernel_size;
 
-extern void setup_mm_for_reboot(void);
-
 extern unsigned long kexec_start_address;
 extern unsigned long kexec_indirection_page;
 extern unsigned long kexec_mach_type;
@@ -111,14 +110,6 @@ void machine_kexec(struct kimage *image)
 
         if (kexec_reinit)
                 kexec_reinit();
-        local_irq_disable();
-        local_fiq_disable();
-        setup_mm_for_reboot();
-        flush_cache_all();
-        outer_flush_all();
-        outer_disable();
-        cpu_proc_fin();
-        outer_inv_all();
-        flush_cache_all();
-        cpu_reset(reboot_code_buffer_phys);
+
+        soft_restart(reboot_code_buffer_phys);
 }