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Message-ID: <20100724154331.22701.3409.stgit@angua>
Date: Sat, 24 Jul 2010 09:43:31 -0600
From: Grant Likely <grant.likely@...retlab.ca>
To: sfr@...b.auug.org.au, monstr@...str.eu,
microblaze-uclinux@...e.uq.edu.au,
devicetree-discuss@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
linuxppc-dev@...abs.org, benh@...nel.crashing.org,
sparclinux@...r.kernel.org, davem@...emloft.net
Subject: [PATCH] of: Provide default of_node_to_nid() when CONFIG_NUMA is not
set
of_node_to_nid() is only relevant for NUMA. Don't force architectures to
implement it if CONFIG_NUMA is not set.
Signed-off-by: Grant Likely <grant.likely@...retlab.ca>
---
arch/microblaze/include/asm/topology.h | 10 ----------
arch/powerpc/include/asm/topology.h | 7 -------
arch/sparc/include/asm/prom.h | 5 -----
include/linux/of.h | 8 ++++++++
4 files changed, 8 insertions(+), 22 deletions(-)
diff --git a/arch/microblaze/include/asm/topology.h b/arch/microblaze/include/asm/topology.h
index 96bcea5..5428f33 100644
--- a/arch/microblaze/include/asm/topology.h
+++ b/arch/microblaze/include/asm/topology.h
@@ -1,11 +1 @@
#include <asm-generic/topology.h>
-
-#ifndef _ASM_MICROBLAZE_TOPOLOGY_H
-#define _ASM_MICROBLAZE_TOPOLOGY_H
-
-struct device_node;
-static inline int of_node_to_nid(struct device_node *device)
-{
- return 0;
-}
-#endif /* _ASM_MICROBLAZE_TOPOLOGY_H */
diff --git a/arch/powerpc/include/asm/topology.h b/arch/powerpc/include/asm/topology.h
index 32adf72..09dd38c 100644
--- a/arch/powerpc/include/asm/topology.h
+++ b/arch/powerpc/include/asm/topology.h
@@ -41,8 +41,6 @@ static inline int cpu_to_node(int cpu)
cpu_all_mask : \
node_to_cpumask_map[node])
-int of_node_to_nid(struct device_node *device);
-
struct pci_bus;
#ifdef CONFIG_PCI
extern int pcibus_to_node(struct pci_bus *bus);
@@ -94,11 +92,6 @@ extern void sysfs_remove_device_from_node(struct sys_device *dev, int nid);
#else
-static inline int of_node_to_nid(struct device_node *device)
-{
- return 0;
-}
-
static inline void dump_numa_cpu_topology(void) {}
static inline int sysfs_add_device_to_node(struct sys_device *dev, int nid)
diff --git a/arch/sparc/include/asm/prom.h b/arch/sparc/include/asm/prom.h
index c82a7da..b47d2a7 100644
--- a/arch/sparc/include/asm/prom.h
+++ b/arch/sparc/include/asm/prom.h
@@ -41,11 +41,6 @@ extern int of_getintprop_default(struct device_node *np,
const char *name,
int def);
extern int of_find_in_proplist(const char *list, const char *match, int len);
-#ifdef CONFIG_NUMA
-extern int of_node_to_nid(struct device_node *dp);
-#else
-#define of_node_to_nid(dp) (-1)
-#endif
extern void prom_build_devicetree(void);
extern void of_populate_present_mask(void);
diff --git a/include/linux/of.h b/include/linux/of.h
index b0756f3..ec25482 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -205,6 +205,14 @@ extern int of_parse_phandles_with_args(struct device_node *np,
extern int of_machine_is_compatible(const char *compat);
+#if defined(CONFIG_NUMA)
+extern int of_node_to_nid(struct device_node *device);
+#elif defined(CONFIG_SPARC)
+static inline int of_node_to_nid(struct device_node *device) { return -1; }
+#else
+static inline int of_node_to_nid(struct device_node *device) { return 0; }
+#endif
+
extern int prom_add_property(struct device_node* np, struct property* prop);
extern int prom_remove_property(struct device_node *np, struct property *prop);
extern int prom_update_property(struct device_node *np,
--
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