sgi-gru: add support to the GRU driver for message queue interrupts

Add support to the GRU driver for message queue interrupts.

Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Dean Nelson <dcn@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 9 insertions, 1 deletions

diff --git a/drivers/misc/sgi-xp/xpc_sn2.c b/drivers/misc/sgi-xp/xpc_sn2.c
index 2e975762c32b..a760dd08e425 100644
--- a/drivers/misc/sgi-xp/xpc_sn2.c
+++ b/drivers/misc/sgi-xp/xpc_sn2.c
@@ -66,6 +66,12 @@ xpc_setup_partitions_sn_sn2(void)
         return 0;
 }
 
+static void
+xpc_teardown_partitions_sn_sn2(void)
+{
+        /* nothing needs to be done */
+}
+
 /* SH_IPI_ACCESS shub register value on startup */
 static u64 xpc_sh1_IPI_access_sn2;
 static u64 xpc_sh2_IPI_access0_sn2;
@@ -436,11 +442,12 @@ xpc_send_chctl_local_msgrequest_sn2(struct xpc_channel *ch)
         XPC_SEND_LOCAL_NOTIFY_IRQ_SN2(ch, XPC_CHCTL_MSGREQUEST);
 }
 
-static void
+static enum xp_retval
 xpc_save_remote_msgqueue_pa_sn2(struct xpc_channel *ch,
                                 unsigned long msgqueue_pa)
 {
         ch->sn.sn2.remote_msgqueue_pa = msgqueue_pa;
+        return xpSuccess;
 }
 
 /*
@@ -2315,6 +2322,7 @@ xpc_init_sn2(void)
         size_t buf_size;
 
         xpc_setup_partitions_sn = xpc_setup_partitions_sn_sn2;
+        xpc_teardown_partitions_sn = xpc_teardown_partitions_sn_sn2;
         xpc_get_partition_rsvd_page_pa = xpc_get_partition_rsvd_page_pa_sn2;
         xpc_setup_rsvd_page_sn = xpc_setup_rsvd_page_sn_sn2;
         xpc_increment_heartbeat = xpc_increment_heartbeat_sn2;