[PATCH 3/4] exitcall: move arch_shutdown to exitcall infrastructure

[Herve Codina <Herve.CODINA@celad.com>]

Signed-off-by: Herve Codina <Herve.CODINA@celad.com>
---
 arch/arm/cpu/cpu.c                 |    3 ++-
 arch/arm/include/asm/common.h      |    2 --
 arch/blackfin/include/asm/common.h |    6 ++----
 arch/blackfin/lib/board.c          |    7 ++++++-
 arch/nios2/lib/board.c             |    3 ---
 arch/openrisc/lib/board.c          |    3 ---
 common/startup.c                   |    3 ---
 include/common.h                   |    2 --
 8 files changed, 10 insertions(+), 19 deletions(-)

diff --git a/arch/arm/cpu/cpu.c b/arch/arm/cpu/cpu.c
index badd676..5e70802 100644
--- a/arch/arm/cpu/cpu.c
+++ b/arch/arm/cpu/cpu.c
@@ -93,7 +93,7 @@ void mmu_disable(void)
  * This function is called by shutdown_barebox to get a clean
  * memory/cache state.
  */
-void arch_shutdown(void)
+static void arch_shutdown(void)
 {
 	uint32_t r;
 
@@ -108,6 +108,7 @@ void arch_shutdown(void)
 	r |= PSR_I_BIT;
 	__asm__ __volatile__("msr cpsr, %0" : : "r"(r));
 }
+archshutdown_exitcall(arch_shutdown);
 
 extern unsigned long arm_stack_top;
 
diff --git a/arch/arm/include/asm/common.h b/arch/arm/include/asm/common.h
index 9ff3b19..07ae619 100644
--- a/arch/arm/include/asm/common.h
+++ b/arch/arm/include/asm/common.h
@@ -1,8 +1,6 @@
 #ifndef __ASM_ARM_COMMON_H
 #define __ASM_ARM_COMMON_H
 
-#define ARCH_SHUTDOWN
-
 static inline unsigned long get_pc(void)
 {
 	unsigned long pc;
diff --git a/arch/blackfin/include/asm/common.h b/arch/blackfin/include/asm/common.h
index fa58e37..5760fb9 100644
--- a/arch/blackfin/include/asm/common.h
+++ b/arch/blackfin/include/asm/common.h
@@ -1,5 +1,3 @@
 
-/* We have to disable instruction cache before
- * executing an external program
- */
-#define ARCH_SHUTDOWN
+/* nothing special */
+
diff --git a/arch/blackfin/lib/board.c b/arch/blackfin/lib/board.c
index 88ad618..4731887 100644
--- a/arch/blackfin/lib/board.c
+++ b/arch/blackfin/lib/board.c
@@ -38,7 +38,12 @@ void __noreturn blackfin_start_barebox(void)
 	start_barebox();
 }
 
-void arch_shutdown(void)
+/* We have to disable instruction cache before
+ * executing an external program
+ */
+static void arch_shutdown(void)
 {
 	icache_disable();
 }
+archshutdown_exitcall(arch_shutdown);
+
diff --git a/arch/nios2/lib/board.c b/arch/nios2/lib/board.c
index 7c4dc76..c04dda9 100644
--- a/arch/nios2/lib/board.c
+++ b/arch/nios2/lib/board.c
@@ -31,6 +31,3 @@ void __noreturn nios_start_barebox(void)
 	start_barebox();
 }
 
-void arch_shutdown(void)
-{
-}
diff --git a/arch/openrisc/lib/board.c b/arch/openrisc/lib/board.c
index 98033b4..ff527e2 100644
--- a/arch/openrisc/lib/board.c
+++ b/arch/openrisc/lib/board.c
@@ -30,6 +30,3 @@ void __noreturn openrisc_start_barebox(void)
 	start_barebox();
 }
 
-void arch_shutdown(void)
-{
-}
diff --git a/common/startup.c b/common/startup.c
index e9ab248..4ed390c 100644
--- a/common/startup.c
+++ b/common/startup.c
@@ -151,9 +151,6 @@ void shutdown_barebox(void)
 		(*exitcall)();
 	}
 	
-#ifdef ARCH_SHUTDOWN
-	arch_shutdown();
-#endif
 	if (board_shutdown)
 		board_shutdown();
 }
diff --git a/include/common.h b/include/common.h
index eef371c..6766c02 100644
--- a/include/common.h
+++ b/include/common.h
@@ -124,8 +124,6 @@ extern void (*board_shutdown)(void);
  */
 extern void (*do_execute)(void *func, int argc, char *argv[]);
 
-void arch_shutdown(void);
-
 int run_shell(void);
 
 #ifdef CONFIG_SHELL_HUSH
-- 
1.7.9.5


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