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