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authorGrant Erickson <gerickson@nuovations.com>2008-12-19 08:17:54 +0000
committerPaul Mackerras <paulus@samba.org>2008-12-21 14:21:16 +1100
commite14d77490d3e1da833cff4fee52674c52684ce77 (patch)
tree9f461e7704908cd8eef3ee54376391ef57cf3b51
parent9dce3ce5c55c848f00429005a46fd6246cfabfbe (diff)
downloadop-kernel-dev-e14d77490d3e1da833cff4fee52674c52684ce77.zip
op-kernel-dev-e14d77490d3e1da833cff4fee52674c52684ce77.tar.gz
powerpc: Const-qualify Device Node Argument to DCR Resource Extent API
Add const qualifier to device_node argument for dcr_resource_{start,len} as of_get_property also const-qualifies this argument. Signed-off-by: Grant Erickson <gerickson@nuovations.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
-rw-r--r--arch/powerpc/include/asm/dcr.h4
-rw-r--r--arch/powerpc/sysdev/dcr.c5
2 files changed, 5 insertions, 4 deletions
diff --git a/arch/powerpc/include/asm/dcr.h b/arch/powerpc/include/asm/dcr.h
index d13fb68..9d6851c 100644
--- a/arch/powerpc/include/asm/dcr.h
+++ b/arch/powerpc/include/asm/dcr.h
@@ -68,9 +68,9 @@ typedef dcr_host_mmio_t dcr_host_t;
* additional helpers to read the DCR * base from the device-tree
*/
struct device_node;
-extern unsigned int dcr_resource_start(struct device_node *np,
+extern unsigned int dcr_resource_start(const struct device_node *np,
unsigned int index);
-extern unsigned int dcr_resource_len(struct device_node *np,
+extern unsigned int dcr_resource_len(const struct device_node *np,
unsigned int index);
#endif /* CONFIG_PPC_DCR */
#endif /* __ASSEMBLY__ */
diff --git a/arch/powerpc/sysdev/dcr.c b/arch/powerpc/sysdev/dcr.c
index a8ba998..bb44aa9 100644
--- a/arch/powerpc/sysdev/dcr.c
+++ b/arch/powerpc/sysdev/dcr.c
@@ -124,7 +124,8 @@ EXPORT_SYMBOL_GPL(dcr_write_generic);
#endif /* defined(CONFIG_PPC_DCR_NATIVE) && defined(CONFIG_PPC_DCR_MMIO) */
-unsigned int dcr_resource_start(struct device_node *np, unsigned int index)
+unsigned int dcr_resource_start(const struct device_node *np,
+ unsigned int index)
{
unsigned int ds;
const u32 *dr = of_get_property(np, "dcr-reg", &ds);
@@ -136,7 +137,7 @@ unsigned int dcr_resource_start(struct device_node *np, unsigned int index)
}
EXPORT_SYMBOL_GPL(dcr_resource_start);
-unsigned int dcr_resource_len(struct device_node *np, unsigned int index)
+unsigned int dcr_resource_len(const struct device_node *np, unsigned int index)
{
unsigned int ds;
const u32 *dr = of_get_property(np, "dcr-reg", &ds);
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