diff options
Diffstat (limited to 'drivers/firewire/core-card.c')
| -rw-r--r-- | drivers/firewire/core-card.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/firewire/core-card.c b/drivers/firewire/core-card.c index 7c4cf6cfa746..faf2eee473b9 100644 --- a/drivers/firewire/core-card.c +++ b/drivers/firewire/core-card.c @@ -208,13 +208,19 @@ static void allocate_broadcast_channel(struct fw_card *card, int generation) { int channel, bandwidth = 0; - fw_iso_resource_manage(card, generation, 1ULL << 31, &channel, - &bandwidth, true, card->bm_transaction_data); - if (channel == 31) { + if (!card->broadcast_channel_allocated) { + fw_iso_resource_manage(card, generation, 1ULL << 31, + &channel, &bandwidth, true, + card->bm_transaction_data); + if (channel != 31) { + fw_notify("failed to allocate broadcast channel\n"); + return; + } card->broadcast_channel_allocated = true; - device_for_each_child(card->device, (void *)(long)generation, - fw_device_set_broadcast_channel); } + + device_for_each_child(card->device, (void *)(long)generation, + fw_device_set_broadcast_channel); } static const char gap_count_table[] = { |