firewire: core: add CSR abdicate support

Implement the abdicate bit, which is required for bus manager
capable nodes and tested by the Base 1394 Test Suite.

Finally, something to do at a command reset!  :-)

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/firewire.h b/include/linux/firewire.h
index f1160e831dad..4d22643215ef 100644
--- a/include/linux/firewire.h
+++ b/include/linux/firewire.h
@@ -119,6 +119,8 @@ struct fw_card {
         int bm_retries;
         int bm_generation;
         __be32 bm_transaction_data[2];
+        bool bm_abdicate; /* value of csr_abdicate before last bus reset */
+        bool csr_abdicate; /* visible in CSR STATE_CLEAR/SET registers */
 
         bool broadcast_channel_allocated;
         u32 broadcast_channel;