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Commit 8cd24ed4 authored by David S. Miller's avatar David S. Miller
Browse files

[SPARC64]: Expand of_*() interfaces some more. 



Import some more stuff from powerpc.

Add of_device_is_compatible(), and of_find_compatible_node().
Export some more of the other routines to modules.

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 92c4e225

arch/sparc64/kernel/prom.c

+43 −0
Original line number Diff line number Diff line
@@ -27,6 +27,26 @@ 


static struct device_node *allnodes;



int of_device_is_compatible(struct device_node *device, const char *compat)

{

	const char* cp;

	int cplen, l;



	cp = (char *) of_get_property(device, "compatible", &cplen);

	if (cp == NULL)

		return 0;

	while (cplen > 0) {

		if (strncmp(cp, compat, strlen(compat)) == 0)

			return 1;

		l = strlen(cp) + 1;

		cp += l;

		cplen -= l;

	}



	return 0;

}

EXPORT_SYMBOL(of_device_is_compatible);



struct device_node *of_get_parent(const struct device_node *node)

{

	struct device_node *np;
@@ -38,6 +58,7 @@ struct device_node *of_get_parent(const struct device_node *node) 


	return np;

}

EXPORT_SYMBOL(of_get_parent);



struct device_node *of_get_next_child(const struct device_node *node,

	struct device_node *prev)
@@ -51,6 +72,7 @@ struct device_node *of_get_next_child(const struct device_node *node, 


	return next;

}

EXPORT_SYMBOL(of_get_next_child);



struct device_node *of_find_node_by_path(const char *path)

{
@@ -75,6 +97,7 @@ struct device_node *of_find_node_by_phandle(phandle handle) 


	return np;

}

EXPORT_SYMBOL(of_find_node_by_phandle);



struct device_node *of_find_node_by_name(struct device_node *from,

	const char *name)
@@ -88,6 +111,7 @@ struct device_node *of_find_node_by_name(struct device_node *from, 


	return np;

}

EXPORT_SYMBOL(of_find_node_by_name);



struct device_node *of_find_node_by_type(struct device_node *from,

	const char *type)
@@ -101,6 +125,25 @@ struct device_node *of_find_node_by_type(struct device_node *from, 


	return np;

}

EXPORT_SYMBOL(of_find_node_by_type);



struct device_node *of_find_compatible_node(struct device_node *from,

	const char *type, const char *compatible)

{

	struct device_node *np;



	np = from ? from->allnext : allnodes;

	for (; np != 0; np = np->allnext) {

		if (type != NULL

		    && !(np->type != 0 && strcmp(np->type, type) == 0))

			continue;

		if (of_device_is_compatible(np, compatible))

			break;

	}



	return np;

}

EXPORT_SYMBOL(of_find_compatible_node);



struct property *of_find_property(struct device_node *np, const char *name,

				  int *lenp)

include/asm-sparc64/prom.h

+3 −0
Original line number Diff line number Diff line
@@ -75,6 +75,8 @@ extern struct device_node *of_find_node_by_type(struct device_node *from, 
#define for_each_node_by_type(dn, type) \

	for (dn = of_find_node_by_type(NULL, type); dn; \

	     dn = of_find_node_by_type(dn, type))

extern struct device_node *of_find_compatible_node(struct device_node *from,

	const char *type, const char *compat);

extern struct device_node *of_find_node_by_path(const char *path);

extern struct device_node *of_find_node_by_phandle(phandle handle);

extern struct device_node *of_get_parent(const struct device_node *node);
@@ -83,6 +85,7 @@ extern struct device_node *of_get_next_child(const struct device_node *node, 
extern struct property *of_find_property(struct device_node *np,

					 const char *name,

					 int *lenp);

extern int of_device_is_compatible(struct device_node *device, const char *);

extern void *of_get_property(struct device_node *node, const char *name,

			     int *lenp);

extern int of_getintprop_default(struct device_node *np,