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Commit e14d7749 authored by Grant Erickson's avatar Grant Erickson Committed by Paul Mackerras
Browse files

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: default avatarGrant Erickson <gerickson@nuovations.com>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent 9dce3ce5

arch/powerpc/include/asm/dcr.h

+2 −2
Original line number Diff line number Diff line
@@ -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__ */

arch/powerpc/sysdev/dcr.c

+3 −2
Original line number Diff line number Diff line
@@ -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);