23 static phandle __prom_getchild(phandle node)  in __prom_getchild()  argument
29 	cnode = prom_nodeops->no_child(node);  in __prom_getchild()
36 /* Return the child of node 'node' or zero if no this node has no
39 phandle prom_getchild(phandle node)  in prom_getchild()  argument
43 	if ((s32)node == -1)  in prom_getchild()
46 	cnode = __prom_getchild(node);  in prom_getchild()
47 	if (cnode == 0 || (s32)cnode == -1)  in prom_getchild()
55 static phandle __prom_getsibling(phandle node)  in __prom_getsibling()  argument
61 	cnode = prom_nodeops->no_nextnode(node);  in __prom_getsibling()
68 /* Return the next sibling of node 'node' or zero if no more siblings
71 phandle prom_getsibling(phandle node)  in prom_getsibling()  argument
75 	if ((s32)node == -1)  in prom_getsibling()
78 	sibnode = __prom_getsibling(node);  in prom_getsibling()
79 	if (sibnode == 0 || (s32)sibnode == -1)  in prom_getsibling()
86 /* Return the length in bytes of property 'prop' at node 'node'.
87  * Return -1 on error.
89 int prom_getproplen(phandle node, const char *prop)  in prom_getproplen()  argument
94 	if((!node) || (!prop))  in prom_getproplen()
95 		return -1;  in prom_getproplen()
98 	ret = prom_nodeops->no_proplen(node, prop);  in prom_getproplen()
105 /* Acquire a property 'prop' at node 'node' and place it in
106  * 'buffer' which has a size of 'bufsize'.  If the acquisition
107  * was successful the length will be returned, else -1 is returned.
109 int prom_getproperty(phandle node, const char *prop, char *buffer, int bufsize)  in prom_getproperty()  argument
114 	plen = prom_getproplen(node, prop);  in prom_getproperty()
115 	if((plen > bufsize) || (plen == 0) || (plen == -1))  in prom_getproperty()
116 		return -1;  in prom_getproperty()
119 	ret = prom_nodeops->no_getprop(node, prop, buffer);  in prom_getproperty()
126 /* Acquire an integer property and return its value.  Returns -1
129 int prom_getint(phandle node, char *prop)  in prom_getint()  argument
133 	if(prom_getproperty(node, prop, (char *) &intprop, sizeof(int)) != -1)  in prom_getint()
136 	return -1;  in prom_getint()
140 /* Acquire an integer property, upon error return the passed default
143 int prom_getintdefault(phandle node, char *property, int deflt)  in prom_getintdefault()  argument
147 	retval = prom_getint(node, property);  in prom_getintdefault()
148 	if(retval == -1) return deflt;  in prom_getintdefault()
154 /* Acquire a boolean property, 1=TRUE 0=FALSE. */
155 int prom_getbool(phandle node, char *prop)  in prom_getbool()  argument
159 	retval = prom_getproplen(node, prop);  in prom_getbool()
160 	if(retval == -1) return 0;  in prom_getbool()
165 /* Acquire a property whose value is a string, returns a null
169 void prom_getstring(phandle node, char *prop, char *user_buf, int ubuf_size)  in prom_getstring()  argument
173 	len = prom_getproperty(node, prop, user_buf, ubuf_size);  in prom_getstring()
174 	if(len != -1) return;  in prom_getstring()
180 /* Search siblings at 'node_start' for a node with name
181  * 'nodename'.  Return node if successful, zero if not.
194 		if(error == -1) continue;  in prom_searchsiblings()
203 static char *__prom_nextprop(phandle node, char * oprop)  in __prom_nextprop()  argument
209 	prop = prom_nodeops->no_nextprop(node, oprop);  in __prom_nextprop()
216 /* Return the property type string after property type 'oprop'
217  * at node 'node' .  Returns empty string if no more
218  * property types for this node.
220 char *prom_nextprop(phandle node, char *oprop, char *buffer)  in prom_nextprop()  argument
222 	if (node == 0 || (s32)node == -1)  in prom_nextprop()
225 	return __prom_nextprop(node, oprop);  in prom_nextprop()
233 	phandle node = prom_root_node, node2;  in prom_finddevice()  local
238 		if (!*s) return node; /* path '.../' is legal */  in prom_finddevice()
239 		node = prom_getchild(node);  in prom_finddevice()
245 		node = prom_searchsiblings(node, nbuf);  in prom_finddevice()
246 		if (!node)  in prom_finddevice()
255 					node2 = node;  in prom_finddevice()
256 					while (node2 && (s32)node2 != -1) {  in prom_finddevice()
259 								node = node2;  in prom_finddevice()
264 						if (!node2 || (s32)node2 == -1)  in prom_finddevice()
273 	return node;  in prom_finddevice()
277 /* Set property 'pname' at node 'node' to value 'value' which has a length
280 int prom_setprop(phandle node, const char *pname, char *value, int size)  in prom_setprop()  argument
290 	ret = prom_nodeops->no_setprop(node, pname, value, size);  in prom_setprop()
299 	phandle node;  in prom_inst2pkg()  local
303 	node = (*romvec->pv_v2devops.v2_inst2pkg)(inst);  in prom_inst2pkg()
306 	if ((s32)node == -1)  in prom_inst2pkg()
308 	return node;  in prom_inst2pkg()