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-rw-r--r--include/linux/firewire.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/include/linux/firewire.h b/include/linux/firewire.h
index f3260aacf730..aeb71c39e57e 100644
--- a/include/linux/firewire.h
+++ b/include/linux/firewire.h
@@ -129,7 +129,11 @@ struct fw_card {
bool broadcast_channel_allocated;
u32 broadcast_channel;
- __be32 topology_map[(CSR_TOPOLOGY_MAP_END - CSR_TOPOLOGY_MAP) / 4];
+
+ struct {
+ __be32 buffer[(CSR_TOPOLOGY_MAP_END - CSR_TOPOLOGY_MAP) / 4];
+ spinlock_t lock;
+ } topology_map;
__be32 maint_utility_register;