49 lines
1.0 KiB
C
49 lines
1.0 KiB
C
|
// SPDX-License-Identifier: GPL-2.0
|
||
|
|
/*
|
||
|
|
* linux/arch/alpha/kernel/gct.c
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/kernel.h>
|
||
|
|
#include <linux/types.h>
|
||
|
|
#include <linux/errno.h>
|
||
|
|
|
||
|
|
#include <asm/hwrpb.h>
|
||
|
|
#include <asm/gct.h>
|
||
|
|
|
||
|
|
int
|
||
|
|
gct6_find_nodes(gct6_node *node, gct6_search_struct *search)
|
||
|
|
{
|
||
|
|
gct6_search_struct *wanted;
|
||
|
|
int status = 0;
|
||
|
|
|
||
|
|
/* First check the magic number. */
|
||
|
|
if (node->magic != GCT_NODE_MAGIC) {
|
||
|
|
printk(KERN_ERR "GCT Node MAGIC incorrect - GCT invalid\n");
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Check against the search struct. */
|
||
|
|
for (wanted = search;
|
||
|
|
wanted && (wanted->type | wanted->subtype);
|
||
|
|
wanted++) {
|
||
|
|
if (node->type != wanted->type)
|
||
|
|
continue;
|
||
|
|
if (node->subtype != wanted->subtype)
|
||
|
|
continue;
|
||
|
|
|
||
|
|
/* Found it -- call out. */
|
||
|
|
if (wanted->callout)
|
||
|
|
wanted->callout(node);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Now walk the tree, siblings first. */
|
||
|
|
if (node->next)
|
||
|
|
status |= gct6_find_nodes(GCT_NODE_PTR(node->next), search);
|
||
|
|
|
||
|
|
/* Then the children. */
|
||
|
|
if (node->child)
|
||
|
|
status |= gct6_find_nodes(GCT_NODE_PTR(node->child), search);
|
||
|
|
|
||
|
|
return status;
|
||
|
|
}
|