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authorClemens Ladisch <clemens@ladisch.de>2010-06-10 08:35:37 +0200
committerClemens Ladisch <clemens@ladisch.de>2010-06-10 08:35:37 +0200
commit3d1f46eb60b155c705e389ecdf313f11b4b91976 (patch)
tree6a28e68a7372d49f172f73a2c30e1a72dd124ffa /include
parenta1a1132bd83d0aea51d4f19be4b4a58a064a0131 (diff)
downloadlinux-3d1f46eb60b155c705e389ecdf313f11b4b91976.tar.gz
firewire: core: add CSR MAINT_UTILITY support
Implement the MAIN_UTILITY register, which is utterly optional
but useful as a safe target for diagnostic read/write/broadcast
transactions.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Diffstat (limited to 'include')
-rw-r--r--include/linux/firewire.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/firewire.h b/include/linux/firewire.h
index a50377d91254..f1160e831dad 100644
--- a/include/linux/firewire.h
+++ b/include/linux/firewire.h
@@ -38,6 +38,7 @@
 #define CSR_CHANNELS_AVAILABLE		0x224
 #define CSR_CHANNELS_AVAILABLE_HI	0x224
 #define CSR_CHANNELS_AVAILABLE_LO	0x228
+#define CSR_MAINT_UTILITY		0x230
 #define CSR_BROADCAST_CHANNEL		0x234
 #define CSR_CONFIG_ROM			0x400
 #define CSR_CONFIG_ROM_END		0x800
@@ -122,6 +123,8 @@ struct fw_card {
 	bool broadcast_channel_allocated;
 	u32 broadcast_channel;
 	__be32 topology_map[(CSR_TOPOLOGY_MAP_END - CSR_TOPOLOGY_MAP) / 4];
+
+	__be32 maint_utility_register;
 };
 
 struct fw_attribute_group {