firewire: implement broadcast_channel CSR for 1394a compliance

See IEEE 1394a clause 8.3.2.3.11.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/firewire/fw-transaction.h b/drivers/firewire/fw-transaction.h
index 04d3854f6560..f3a493d596cc 100644
--- a/drivers/firewire/fw-transaction.h
+++ b/drivers/firewire/fw-transaction.h
@@ -80,6 +80,9 @@
 #define CSR_SPEED_MAP                   0x2000
 #define CSR_SPEED_MAP_END               0x3000
 
+#define BROADCAST_CHANNEL_INITIAL       (1 << 31 | 31)
+#define BROADCAST_CHANNEL_VALID         (1 << 30)
+
 #define fw_notify(s, args...) printk(KERN_NOTICE KBUILD_MODNAME ": " s, ## args)
 #define fw_error(s, args...) printk(KERN_ERR KBUILD_MODNAME ": " s, ## args)
 
@@ -236,6 +239,7 @@ struct fw_card {
          */
         int self_id_count;
         u32 topology_map[252 + 3];
+        u32 broadcast_channel;
 
         spinlock_t lock; /* Take this lock when handling the lists in
                           * this struct. */