3 files changed, 31 insertions, 11 deletions

diff --git a/drivers/infiniband/hw/amso1100/c2.h b/drivers/infiniband/hw/amso1100/c2.h
index 1b17dcdd0505..04a9db5de881 100644
--- a/drivers/infiniband/hw/amso1100/c2.h
+++ b/drivers/infiniband/hw/amso1100/c2.h
@@ -302,7 +302,7 @@ struct c2_dev {
         unsigned long pa;       /* PA device memory */
         void **qptr_array;
 
-        kmem_cache_t *host_msg_cache;
+        struct kmem_cache *host_msg_cache;
 
         struct list_head cca_link;              /* adapter list */
         struct list_head eh_wakeup_list;        /* event wakeup list */
diff --git a/drivers/infiniband/hw/amso1100/c2_qp.c b/drivers/infiniband/hw/amso1100/c2_qp.c
index 5bcf697aa335..179d005ed4a5 100644
--- a/drivers/infiniband/hw/amso1100/c2_qp.c
+++ b/drivers/infiniband/hw/amso1100/c2_qp.c
@@ -564,6 +564,32 @@ int c2_alloc_qp(struct c2_dev *c2dev,
         return err;
 }
 
+static inline void c2_lock_cqs(struct c2_cq *send_cq, struct c2_cq *recv_cq)
+{
+        if (send_cq == recv_cq)
+                spin_lock_irq(&send_cq->lock);
+        else if (send_cq > recv_cq) {
+                spin_lock_irq(&send_cq->lock);
+                spin_lock_nested(&recv_cq->lock, SINGLE_DEPTH_NESTING);
+        } else {
+                spin_lock_irq(&recv_cq->lock);
+                spin_lock_nested(&send_cq->lock, SINGLE_DEPTH_NESTING);
+        }
+}
+
+static inline void c2_unlock_cqs(struct c2_cq *send_cq, struct c2_cq *recv_cq)
+{
+        if (send_cq == recv_cq)
+                spin_unlock_irq(&send_cq->lock);
+        else if (send_cq > recv_cq) {
+                spin_unlock(&recv_cq->lock);
+                spin_unlock_irq(&send_cq->lock);
+        } else {
+                spin_unlock(&send_cq->lock);
+                spin_unlock_irq(&recv_cq->lock);
+        }
+}
+
 void c2_free_qp(struct c2_dev *c2dev, struct c2_qp *qp)
 {
         struct c2_cq *send_cq;
@@ -576,15 +602,9 @@ void c2_free_qp(struct c2_dev *c2dev, struct c2_qp *qp)
          * Lock CQs here, so that CQ polling code can do QP lookup
          * without taking a lock.
          */
-        spin_lock_irq(&send_cq->lock);
-        if (send_cq != recv_cq)
-                spin_lock(&recv_cq->lock);
-
+        c2_lock_cqs(send_cq, recv_cq);
         c2_free_qpn(c2dev, qp->qpn);
-
-        if (send_cq != recv_cq)
-                spin_unlock(&recv_cq->lock);
-        spin_unlock_irq(&send_cq->lock);
+        c2_unlock_cqs(send_cq, recv_cq);
 
         /*
          * Destory qp in the rnic...
diff --git a/drivers/infiniband/hw/amso1100/c2_rnic.c b/drivers/infiniband/hw/amso1100/c2_rnic.c
index 623dc95f91df..1687c511cb2f 100644
--- a/drivers/infiniband/hw/amso1100/c2_rnic.c
+++ b/drivers/infiniband/hw/amso1100/c2_rnic.c
@@ -441,7 +441,7 @@ static int c2_rnic_close(struct c2_dev *c2dev)
  * involves initalizing the various limits and resouce pools that
  * comprise the RNIC instance.
  */
-int c2_rnic_init(struct c2_dev *c2dev)
+int __devinit c2_rnic_init(struct c2_dev *c2dev)
 {
         int err;
         u32 qsize, msgsize;
@@ -611,7 +611,7 @@ int c2_rnic_init(struct c2_dev *c2dev)
 /*
  * Called by c2_remove to cleanup the RNIC resources.
  */
-void c2_rnic_term(struct c2_dev *c2dev)
+void __devexit c2_rnic_term(struct c2_dev *c2dev)
 {
 
         /* Close the open adapter instance */