From 0a07eb4092f71160ba44a92543ac747277fa373c Mon Sep 17 00:00:00 2001
From: Clemens Ladisch <clemens@ladisch.de>
Date: Thu, 10 Jun 2010 08:35:37 +0200
Subject: [PATCH] --- yaml --- r: 206813 b: refs/heads/master c:
 3d1f46eb60b155c705e389ecdf313f11b4b91976 h: refs/heads/master i:   206811:
 0c50f91004d87d6d9cc1b0d0672b8c916ceaa295 v: v3

---
 [refs]                                    | 2 +-
 trunk/drivers/firewire/core-transaction.c | 9 +++++++++
 trunk/include/linux/firewire.h            | 3 +++
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 27bcd20c5e71..63cc72af34d9 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a1a1132bd83d0aea51d4f19be4b4a58a064a0131
+refs/heads/master: 3d1f46eb60b155c705e389ecdf313f11b4b91976
diff --git a/trunk/drivers/firewire/core-transaction.c b/trunk/drivers/firewire/core-transaction.c
index a61eb3fb9573..dd8ef650a7cb 100644
--- a/trunk/drivers/firewire/core-transaction.c
+++ b/trunk/drivers/firewire/core-transaction.c
@@ -1140,6 +1140,15 @@ static void handle_registers(struct fw_card *card, struct fw_request *request,
 			rcode = RCODE_TYPE_ERROR;
 		break;
 
+	case CSR_MAINT_UTILITY:
+		if (tcode == TCODE_READ_QUADLET_REQUEST)
+			*data = card->maint_utility_register;
+		else if (tcode == TCODE_WRITE_QUADLET_REQUEST)
+			card->maint_utility_register = *data;
+		else
+			rcode = RCODE_TYPE_ERROR;
+		break;
+
 	case CSR_BROADCAST_CHANNEL:
 		if (tcode == TCODE_READ_QUADLET_REQUEST)
 			*data = cpu_to_be32(card->broadcast_channel);
diff --git a/trunk/include/linux/firewire.h b/trunk/include/linux/firewire.h
index a50377d91254..f1160e831dad 100644
--- a/trunk/include/linux/firewire.h
+++ b/trunk/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 {