Merge branch 'for-linus' of git://git.kernel.dk/linux-block
[platform/adaptation/renesas_rcar/renesas_kernel.git] / arch / alpha / kernel / gct.c
1 /*
2  *      linux/arch/alpha/kernel/gct.c
3  */
4
5 #include <linux/kernel.h>
6 #include <linux/types.h>
7 #include <linux/errno.h>
8
9 #include <asm/hwrpb.h>
10 #include <asm/gct.h>
11
12 int
13 gct6_find_nodes(gct6_node *node, gct6_search_struct *search)
14 {
15         gct6_search_struct *wanted;
16         int status = 0;
17
18         /* First check the magic number.  */
19         if (node->magic != GCT_NODE_MAGIC) {
20                 printk(KERN_ERR "GCT Node MAGIC incorrect - GCT invalid\n");
21                 return -EINVAL;
22         }
23
24         /* Check against the search struct.  */
25         for (wanted = search; 
26              wanted && (wanted->type | wanted->subtype); 
27              wanted++) {
28                 if (node->type != wanted->type)
29                         continue;
30                 if (node->subtype != wanted->subtype)
31                         continue;
32
33                 /* Found it -- call out.  */
34                 if (wanted->callout)
35                         wanted->callout(node);
36         }
37
38         /* Now walk the tree, siblings first.  */
39         if (node->next) 
40                 status |= gct6_find_nodes(GCT_NODE_PTR(node->next), search);
41
42         /* Then the children.  */
43         if (node->child) 
44                 status |= gct6_find_nodes(GCT_NODE_PTR(node->child), search);
45
46         return status;
47 }