From 1efc959e0b28942d69d3084ecd4e9bde3beb9866 Mon Sep 17 00:00:00 2001
From: Rob Herring <rob.herring@calxeda.com>
Date: Mon, 26 Aug 2013 11:23:27 -0500
Subject: [PATCH] arc: use unflatten_and_copy_device_tree
Use the common unflatten_and_copy_device_tree to copy the built-in FDT
out of init section.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Vineet Gupta <vgupta@synopsys.com>
Acked-by: Grant Likely <grant.likely@linaro.org>
---
arch/arc/include/asm/mach_desc.h | 1 -
arch/arc/kernel/devtree.c | 15 ---------------
arch/arc/kernel/setup.c | 3 +--
3 files changed, 1 insertion(+), 18 deletions(-)
diff --git a/arch/arc/include/asm/mach_desc.h b/arch/arc/include/asm/mach_desc.h
index 9998dc846ebb1..d3e9c0a05be87 100644
--- a/arch/arc/include/asm/mach_desc.h
+++ b/arch/arc/include/asm/mach_desc.h
@@ -82,6 +82,5 @@ __attribute__((__section__(".arch.info.init"))) = { \
};
extern struct machine_desc *setup_machine_fdt(void *dt);
-extern void __init copy_devtree(void);
#endif
diff --git a/arch/arc/kernel/devtree.c b/arch/arc/kernel/devtree.c
index 2340af0e1d6f8..eeb613aa44ffc 100644
--- a/arch/arc/kernel/devtree.c
+++ b/arch/arc/kernel/devtree.c
@@ -100,18 +100,3 @@ struct machine_desc * __init setup_machine_fdt(void *dt)
return mdesc_best;
}
-
-/*
- * Copy the flattened DT out of .init since unflattening doesn't copy strings
- * and the normal DT APIs refs them from orig flat DT
- */
-void __init copy_devtree(void)
-{
- void *alloc = early_init_dt_alloc_memory_arch(
- be32_to_cpu(initial_boot_params->totalsize), 64);
- if (alloc) {
- memcpy(alloc, initial_boot_params,
- be32_to_cpu(initial_boot_params->totalsize));
- initial_boot_params = alloc;
- }
-}
diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c
index 2c68bc7e6a784..710bf895dc2c2 100644
--- a/arch/arc/kernel/setup.c
+++ b/arch/arc/kernel/setup.c
@@ -346,8 +346,7 @@ void __init setup_arch(char **cmdline_p)
setup_arch_memory();
/* copy flat DT out of .init and then unflatten it */
- copy_devtree();
- unflatten_device_tree();
+ unflatten_and_copy_device_tree();
/* Can be issue if someone passes cmd line arg "ro"
* But that is unlikely so keeping it as it is
--
2.30.2