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Subject[PATCH 5/9] of: put default string compare and #a/s-cell values into common header
Date
Most architectures don't need to change these.  Put them into common
code to eliminate some duplication

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---
arch/microblaze/include/asm/prom.h | 7 -------
arch/powerpc/include/asm/prom.h | 7 -------
include/linux/of.h | 13 +++++++++++++
3 files changed, 13 insertions(+), 14 deletions(-)
diff --git a/arch/microblaze/include/asm/prom.h b/arch/microblaze/include/asm/prom.h
index 6c6b386..ddc5c57 100644
--- a/arch/microblaze/include/asm/prom.h
+++ b/arch/microblaze/include/asm/prom.h
@@ -26,13 +26,6 @@
#include <asm/irq.h>
#include <asm/atomic.h>

-#define OF_ROOT_NODE_ADDR_CELLS_DEFAULT 1
-#define OF_ROOT_NODE_SIZE_CELLS_DEFAULT 1
-
-#define of_compat_cmp(s1, s2, l) strncasecmp((s1), (s2), (l))
-#define of_prop_cmp(s1, s2) strcmp((s1), (s2))
-#define of_node_cmp(s1, s2) strcasecmp((s1), (s2))
-
extern struct device_node *of_chosen;

#define HAVE_ARCH_DEVTREE_FIXUPS
diff --git a/arch/powerpc/include/asm/prom.h b/arch/powerpc/include/asm/prom.h
index f384db8..4a5070e 100644
--- a/arch/powerpc/include/asm/prom.h
+++ b/arch/powerpc/include/asm/prom.h
@@ -23,13 +23,6 @@
#include <asm/irq.h>
#include <asm/atomic.h>

-#define OF_ROOT_NODE_ADDR_CELLS_DEFAULT 1
-#define OF_ROOT_NODE_SIZE_CELLS_DEFAULT 1
-
-#define of_compat_cmp(s1, s2, l) strcasecmp((s1), (s2))
-#define of_prop_cmp(s1, s2) strcmp((s1), (s2))
-#define of_node_cmp(s1, s2) strcasecmp((s1), (s2))
-
extern struct device_node *of_chosen;

#define HAVE_ARCH_DEVTREE_FIXUPS
diff --git a/include/linux/of.h b/include/linux/of.h
index 48b0ee6..5cd2840 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -116,6 +116,19 @@ static inline unsigned long of_read_ulong(const __be32 *cell, int size)

#include <asm/prom.h>

+/* Default #address and #size cells. Allow arch asm/prom.h to override */
+#if !defined(OF_ROOT_NODE_ADDR_CELLS_DEFAULT)
+#define OF_ROOT_NODE_ADDR_CELLS_DEFAULT 1
+#define OF_ROOT_NODE_SIZE_CELLS_DEFAULT 1
+#endif
+
+/* Default string compare functions, Allow arch asm/prom.h to override */
+#if !defined(of_compat_cmp)
+#define of_compat_cmp(s1, s2, l) strncasecmp((s1), (s2), (l))
+#define of_prop_cmp(s1, s2) strcmp((s1), (s2))
+#define of_node_cmp(s1, s2) strcasecmp((s1), (s2))
+#endif
+
/* flag descriptions */
#define OF_DYNAMIC 1 /* node and properties were allocated via kmalloc */
#define OF_DETACHED 2 /* node has been detached from the device tree */


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