sparc: Move core of OF device tree building code into prom_common.c
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
Родитель
4aef8c53fe
Коммит
6524036a1e
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@ -15,7 +15,20 @@ extern void irq_trans_init(struct device_node *dp);
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extern unsigned int prom_unique_id;
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extern struct device_node * __init create_node(phandle node,
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struct device_node *parent);
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static inline int is_root_node(const struct device_node *dp)
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{
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if (!dp)
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return 0;
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return (dp->parent == NULL);
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}
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extern char *build_path_component(struct device_node *dp);
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extern struct device_node * __init prom_create_node(phandle node,
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struct device_node *parent);
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extern struct device_node * __init prom_build_tree(struct device_node *parent,
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phandle node,
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struct device_node ***nextp);
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#endif /* __PROM_H */
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@ -42,14 +42,6 @@ void * __init prom_early_alloc(unsigned long size)
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return ret;
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}
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static int is_root_node(const struct device_node *dp)
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{
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if (!dp)
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return 0;
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return (dp->parent == NULL);
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}
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/* The following routines deal with the black magic of fully naming a
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* node.
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*
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@ -161,7 +153,7 @@ static void __init __build_path_component(struct device_node *dp, char *tmp_buf)
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return sparc32_path_component(dp, tmp_buf);
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}
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static char * __init build_path_component(struct device_node *dp)
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char * __init build_path_component(struct device_node *dp)
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{
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char tmp_buf[64], *n;
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@ -176,57 +168,6 @@ static char * __init build_path_component(struct device_node *dp)
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return n;
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}
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static char * __init build_full_name(struct device_node *dp)
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{
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int len, ourlen, plen;
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char *n;
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plen = strlen(dp->parent->full_name);
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ourlen = strlen(dp->path_component_name);
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len = ourlen + plen + 2;
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n = prom_early_alloc(len);
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strcpy(n, dp->parent->full_name);
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if (!is_root_node(dp->parent)) {
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strcpy(n + plen, "/");
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plen++;
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}
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strcpy(n + plen, dp->path_component_name);
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return n;
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}
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static struct device_node * __init build_tree(struct device_node *parent, phandle node, struct device_node ***nextp)
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{
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struct device_node *ret = NULL, *prev_sibling = NULL;
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struct device_node *dp;
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while (1) {
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dp = create_node(node, parent);
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if (!dp)
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break;
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if (prev_sibling)
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prev_sibling->sibling = dp;
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if (!ret)
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ret = dp;
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prev_sibling = dp;
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*(*nextp) = dp;
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*nextp = &dp->allnext;
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dp->path_component_name = build_path_component(dp);
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dp->full_name = build_full_name(dp);
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dp->child = build_tree(dp, prom_getchild(node), nextp);
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node = prom_getsibling(node);
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}
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return ret;
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}
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struct device_node *of_console_device;
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EXPORT_SYMBOL(of_console_device);
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@ -360,14 +301,14 @@ void __init prom_build_devicetree(void)
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{
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struct device_node **nextp;
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allnodes = create_node(prom_root_node, NULL);
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allnodes = prom_create_node(prom_root_node, NULL);
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allnodes->path_component_name = "";
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allnodes->full_name = "/";
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nextp = &allnodes->allnext;
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allnodes->child = build_tree(allnodes,
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prom_getchild(allnodes->node),
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&nextp);
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allnodes->child = prom_build_tree(allnodes,
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prom_getchild(allnodes->node),
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&nextp);
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of_console_init();
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printk("PROM: Built device tree with %u bytes of memory.\n",
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@ -51,14 +51,6 @@ void * __init prom_early_alloc(unsigned long size)
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return ret;
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}
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static int is_root_node(const struct device_node *dp)
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{
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if (!dp)
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return 0;
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return (dp->parent == NULL);
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}
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/* The following routines deal with the black magic of fully naming a
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* node.
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*
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@ -364,7 +356,7 @@ static void __init __build_path_component(struct device_node *dp, char *tmp_buf)
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}
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}
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static char * __init build_path_component(struct device_node *dp)
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char * __init build_path_component(struct device_node *dp)
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{
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char tmp_buf[64], *n;
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@ -379,57 +371,6 @@ static char * __init build_path_component(struct device_node *dp)
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return n;
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}
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static char * __init build_full_name(struct device_node *dp)
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{
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int len, ourlen, plen;
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char *n;
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plen = strlen(dp->parent->full_name);
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ourlen = strlen(dp->path_component_name);
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len = ourlen + plen + 2;
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n = prom_early_alloc(len);
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strcpy(n, dp->parent->full_name);
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if (!is_root_node(dp->parent)) {
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strcpy(n + plen, "/");
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plen++;
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}
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strcpy(n + plen, dp->path_component_name);
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return n;
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}
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static struct device_node * __init build_tree(struct device_node *parent, phandle node, struct device_node ***nextp)
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{
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struct device_node *ret = NULL, *prev_sibling = NULL;
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struct device_node *dp;
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while (1) {
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dp = create_node(node, parent);
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if (!dp)
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break;
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if (prev_sibling)
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prev_sibling->sibling = dp;
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if (!ret)
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ret = dp;
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prev_sibling = dp;
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*(*nextp) = dp;
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*nextp = &dp->allnext;
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dp->path_component_name = build_path_component(dp);
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dp->full_name = build_full_name(dp);
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dp->child = build_tree(dp, prom_getchild(node), nextp);
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node = prom_getsibling(node);
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}
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return ret;
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}
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static const char *get_mid_prop(void)
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{
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return (tlb_type == spitfire ? "upa-portid" : "portid");
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@ -640,14 +581,14 @@ void __init prom_build_devicetree(void)
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{
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struct device_node **nextp;
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allnodes = create_node(prom_root_node, NULL);
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allnodes = prom_create_node(prom_root_node, NULL);
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allnodes->path_component_name = "";
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allnodes->full_name = "/";
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nextp = &allnodes->allnext;
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allnodes->child = build_tree(allnodes,
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prom_getchild(allnodes->node),
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&nextp);
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allnodes->child = prom_build_tree(allnodes,
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prom_getchild(allnodes->node),
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&nextp);
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of_console_init();
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printk("PROM: Built device tree with %u bytes of memory.\n",
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@ -216,8 +216,8 @@ static char * __init get_one_property(phandle node, const char *name)
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return buf;
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}
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struct device_node * __init create_node(phandle node,
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struct device_node *parent)
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struct device_node * __init prom_create_node(phandle node,
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struct device_node *parent)
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{
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struct device_node *dp;
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@ -240,3 +240,56 @@ struct device_node * __init create_node(phandle node,
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return dp;
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}
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static char * __init build_full_name(struct device_node *dp)
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{
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int len, ourlen, plen;
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char *n;
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plen = strlen(dp->parent->full_name);
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ourlen = strlen(dp->path_component_name);
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len = ourlen + plen + 2;
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n = prom_early_alloc(len);
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strcpy(n, dp->parent->full_name);
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if (!is_root_node(dp->parent)) {
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strcpy(n + plen, "/");
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plen++;
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}
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strcpy(n + plen, dp->path_component_name);
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return n;
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}
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struct device_node * __init prom_build_tree(struct device_node *parent,
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phandle node,
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struct device_node ***nextp)
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{
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struct device_node *ret = NULL, *prev_sibling = NULL;
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struct device_node *dp;
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while (1) {
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dp = prom_create_node(node, parent);
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if (!dp)
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break;
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if (prev_sibling)
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prev_sibling->sibling = dp;
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if (!ret)
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ret = dp;
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prev_sibling = dp;
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*(*nextp) = dp;
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*nextp = &dp->allnext;
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dp->path_component_name = build_path_component(dp);
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dp->full_name = build_full_name(dp);
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dp->child = prom_build_tree(dp, prom_getchild(node), nextp);
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node = prom_getsibling(node);
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}
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return ret;
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}
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