of/flattree: merge find_flat_dt_string and initial_boot_params

Merge common code between Microblaze and PowerPC.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Reviewed-by: Wolfram Sang <w.sang@pengutronix.de>
Tested-by: Michal Simek <monstr@monstr.eu>

4 files changed, 2 insertions, 20 deletions

diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig
index bbd8327f1890..f39c9275a29b 100644
--- a/arch/microblaze/Kconfig
+++ b/arch/microblaze/Kconfig
@@ -111,6 +111,7 @@ config CMDLINE_FORCE
 
 config OF
         def_bool y
+        select OF_FLATTREE
 
 config PROC_DEVICETREE
         bool "Support for device tree in /proc"
diff --git a/arch/microblaze/kernel/prom.c b/arch/microblaze/kernel/prom.c
index b817df172aa9..06d620ab4168 100644
--- a/arch/microblaze/kernel/prom.c
+++ b/arch/microblaze/kernel/prom.c
@@ -47,17 +47,9 @@ static int __initdata dt_root_size_cells;
 
 typedef u32 cell_t;
 
-static struct boot_param_header *initial_boot_params;
-
 /* export that to outside world */
 struct device_node *of_chosen;
 
-static inline char *find_flat_dt_string(u32 offset)
-{
-        return ((char *)initial_boot_params) +
-                initial_boot_params->off_dt_strings + offset;
-}
-
 /**
  * This function is used to scan the flattened device-tree, it is
  * used to extract the memory informations at boot before we can
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 2ba14e77296c..2a75c6ae2a8b 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -163,6 +163,7 @@ config PPC_OF
 
 config OF
         def_bool y
+        select OF_FLATTREE
 
 config PPC_UDBG_16550
         bool
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 4ec300862466..fccf7e49bb28 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -73,12 +73,6 @@ unsigned long tce_alloc_start, tce_alloc_end;
 
 typedef u32 cell_t;
 
-#if 0
-static struct boot_param_header *initial_boot_params __initdata;
-#else
-struct boot_param_header *initial_boot_params;
-#endif
-
 extern struct device_node *allnodes;    /* temporary while merging */
 
 extern rwlock_t devtree_lock;   /* temporary while merging */
@@ -86,12 +80,6 @@ extern rwlock_t devtree_lock;	/* temporary while merging */
 /* export that to outside world */
 struct device_node *of_chosen;
 
-static inline char *find_flat_dt_string(u32 offset)
-{
-        return ((char *)initial_boot_params) +
-                initial_boot_params->off_dt_strings + offset;
-}
-
 /**
  * This function is used to scan the flattened device-tree, it is
  * used to extract the memory informations at boot before we can