From e14d77490d3e1da833cff4fee52674c52684ce77 Mon Sep 17 00:00:00 2001 From: Grant Erickson Date: Fri, 19 Dec 2008 08:17:54 +0000 Subject: [PATCH] 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 Signed-off-by: Paul Mackerras --- arch/powerpc/include/asm/dcr.h | 4 ++-- arch/powerpc/sysdev/dcr.c | 5 +++-- 2 files changed, 5 insertions(+), 4 deletions(-) diff --git a/arch/powerpc/include/asm/dcr.h b/arch/powerpc/include/asm/dcr.h index d13fb68bb5c0..9d6851cfb841 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 a8ba9983dd5a..bb44aa9fd470 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); -- 2.30.2