linux-kernel - [PATCH 5/9] of: put default string compare and #a/s-cell values into common header

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Message-ID: <20100213160252.4767.94582.stgit@angua>
Date:	Sat, 13 Feb 2010 09:02:53 -0700
From:	Grant Likely <grant.likely@...retlab.ca>
To:	monstr@...str.eu, sfr@...b.auug.org.au, benh@...nel.crashing.org,
	jeremy.kerr@...onical.com, davem@...emloft.net,
	microblaze-uclinux@...e.uq.edu.au, linuxppc-dev@...abs.org,
	sparclinux@...r.kernel.org, devicetree-discuss@...ts.ozlabs.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 5/9] of: put default string compare and #a/s-cell values into
	common header

Most architectures don't need to change these.  Put them into common
code to eliminate some duplication

Signed-off-by: Grant Likely <grant.likely@...retlab.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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