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firewire: Use lib/ implementation of CRC ITU-T.

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With the CRC ITU-T implementation available in lib/ we can use that instead.

This also fixes a bug in the topology map crc computation.

Signed-off-by: Kristian Hoegsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (fixed Kconfig)
This commit is contained in:
Kristian Høgsberg
2007-05-07 20:33:31 -04:00
committed by Stefan Richter
parent 3e7cbae7c6
commit e175569c46
4 changed files with 17 additions and 27 deletions
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5
drivers/firewire/fw-topology.c
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@ -465,14 +465,13 @@ static void
update_topology_map(struct fw_card *card, u32 *self_ids, int self_id_count)
{
int node_count;
u32 crc;
card->topology_map[1]++;
node_count = (card->root_node->node_id & 0x3f) + 1;
card->topology_map[2] = (node_count << 16) | self_id_count;
crc = crc16_itu_t(card->topology_map + 1, self_id_count + 2);
card->topology_map[0] = ((self_id_count + 2) << 16) | crc;
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);
}
void