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Commit 6d307724 authored by David S. Miller's avatar David S. Miller
Browse files

[SPARC64]: Add of_getintprop_default(). 



This encodes a common idiomatic coding pattern used when
dealing with integer properties.

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 6760d28b

arch/sparc64/kernel/prom.c

+12 −0
Original line number Original line Diff line number Diff line
@@ -104,6 +104,18 @@ struct property *of_find_property(struct device_node *np, const char *name, 
	return pp;

	return pp;

}

}





int of_getintprop_default(struct device_node *np, const char *name, int def)

{

	struct property *prop;

	int len;



	prop = of_find_property(np, name, &len);

	if (!prop || len != 4)

		return def;



	return *(int *) prop->value;

}



static unsigned int prom_early_allocated;

static unsigned int prom_early_allocated;





static void * __init prom_early_alloc(unsigned long size)

static void * __init prom_early_alloc(unsigned long size)

include/asm-sparc64/prom.h

+3 −0
Original line number Original line Diff line number Diff line
@@ -82,6 +82,9 @@ extern struct device_node *of_get_next_child(const struct device_node *node, 
extern struct property *of_find_property(struct device_node *np,

extern struct property *of_find_property(struct device_node *np,

					 const char *name,

					 const char *name,

					 int *lenp);

					 int *lenp);

extern int of_getintprop_default(struct device_node *np,

				 const char *name,

				 int def);





extern void prom_build_devicetree(void);

extern void prom_build_devicetree(void);