1 // SPDX-License-Identifier: GPL-2.0
30 	cnode = prom_nodeops->no_child(node);  in __prom_getchild()
44 	if ((s32)node == -1)  in prom_getchild()
48 	if (cnode == 0 || (s32)cnode == -1)  in prom_getchild()
62 	cnode = prom_nodeops->no_nextnode(node);  in __prom_getsibling()
76 	if ((s32)node == -1)  in prom_getsibling()
80 	if (sibnode == 0 || (s32)sibnode == -1)  in prom_getsibling()
87 /* Return the length in bytes of property 'prop' at node 'node'.
88  * Return -1 on error.
90 int prom_getproplen(phandle node, const char *prop)  in prom_getproplen()
92 	int ret;  in prom_getproplen()
96 		return -1;  in prom_getproplen()
99 	ret = prom_nodeops->no_proplen(node, prop);  in prom_getproplen()
106 /* Acquire a property 'prop' at node 'node' and place it in
108  * was successful the length will be returned, else -1 is returned.
110 int prom_getproperty(phandle node, const char *prop, char *buffer, int bufsize)  in prom_getproperty()
112 	int plen, ret;  in prom_getproperty()
116 	if((plen > bufsize) || (plen == 0) || (plen == -1))  in prom_getproperty()
117 		return -1;  in prom_getproperty()
120 	ret = prom_nodeops->no_getprop(node, prop, buffer);  in prom_getproperty()
127 /* Acquire an integer property and return its value.  Returns -1
130 int prom_getint(phandle node, char *prop)  in prom_getint()
132 	static int intprop;  in prom_getint()
134 	if(prom_getproperty(node, prop, (char *) &intprop, sizeof(int)) != -1)  in prom_getint()
137 	return -1;  in prom_getint()
141 /* Acquire an integer property, upon error return the passed default
144 int prom_getintdefault(phandle node, char *property, int deflt)  in prom_getintdefault()  argument
146 	int retval;  in prom_getintdefault()
148 	retval = prom_getint(node, property);  in prom_getintdefault()
149 	if(retval == -1) return deflt;  in prom_getintdefault()
155 /* Acquire a boolean property, 1=TRUE 0=FALSE. */
156 int prom_getbool(phandle node, char *prop)  in prom_getbool()
158 	int retval;  in prom_getbool()
161 	if(retval == -1) return 0;  in prom_getbool()
166 /* Acquire a property whose value is a string, returns a null
170 void prom_getstring(phandle node, char *prop, char *user_buf, int ubuf_size)  in prom_getstring()
172 	int len;  in prom_getstring()
175 	if(len != -1) return;  in prom_getstring()
188 	int error;  in prom_searchsiblings()
195 		if(error == -1) continue;  in prom_searchsiblings()
210 	prop = prom_nodeops->no_nextprop(node, oprop);  in __prom_nextprop()
217 /* Return the property type string after property type 'oprop'
219  * property types for this node.
223 	if (node == 0 || (s32)node == -1)  in prom_nextprop()
235 	unsigned int which_io, phys_addr;  in prom_finddevice()
257 					while (node2 && (s32)node2 != -1) {  in prom_finddevice()
265 						if (!node2 || (s32)node2 == -1)  in prom_finddevice()
278 /* Set property 'pname' at node 'node' to value 'value' which has a length
281 int prom_setprop(phandle node, const char *pname, char *value, int size)  in prom_setprop()
284 	int ret;  in prom_setprop()
291 	ret = prom_nodeops->no_setprop(node, pname, value, size);  in prom_setprop()
298 phandle prom_inst2pkg(int inst)  in prom_inst2pkg()
304 	node = (*romvec->pv_v2devops.v2_inst2pkg)(inst);  in prom_inst2pkg()
307 	if ((s32)node == -1)  in prom_inst2pkg()