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Diffstat (limited to 'drivers/firewire/core-topology.c')
-rw-r--r--drivers/firewire/core-topology.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/drivers/firewire/core-topology.c b/drivers/firewire/core-topology.c
index fddf2b3..9a5f38c 100644
--- a/drivers/firewire/core-topology.c
+++ b/drivers/firewire/core-topology.c
@@ -28,9 +28,9 @@
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
-#include <linux/string.h>
#include <asm/atomic.h>
+#include <asm/byteorder.h>
#include <asm/system.h>
#include "core.h"
@@ -510,13 +510,16 @@ static void update_tree(struct fw_card *card, struct fw_node *root)
static void update_topology_map(struct fw_card *card,
u32 *self_ids, int self_id_count)
{
- int node_count;
+ int node_count = (card->root_node->node_id & 0x3f) + 1;
+ __be32 *map = card->topology_map;
+
+ *map++ = cpu_to_be32((self_id_count + 2) << 16);
+ *map++ = cpu_to_be32(be32_to_cpu(card->topology_map[1]) + 1);
+ *map++ = cpu_to_be32((node_count << 16) | self_id_count);
+
+ while (self_id_count--)
+ *map++ = cpu_to_be32p(self_ids++);
- card->topology_map[1]++;
- node_count = (card->root_node->node_id & 0x3f) + 1;
- card->topology_map[2] = (node_count << 16) | self_id_count;
- card->topology_map[0] = (self_id_count + 2) << 16;
- memcpy(&card->topology_map[3], self_ids, self_id_count * 4);
fw_compute_block_crc(card->topology_map);
}
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