Merge branch 'master' into tk71

[mv-sheeva.git] / drivers / net / mlx4 / intf.c

diff --git a/drivers/net/mlx4/intf.c b/drivers/net/mlx4/intf.c
index 5550678027513fa6f7b443bffe63e72198f4ec1c..73c94fcdfddf0096318e4db7649a4c5a858e9f20 100644 (file)
--- a/drivers/net/mlx4/intf.c
+++ b/drivers/net/mlx4/intf.c
@@ -161,3 +161,24 @@ void mlx4_unregister_device(struct mlx4_dev *dev)
 
        mutex_unlock(&intf_mutex);
 }
+
+void *mlx4_get_protocol_dev(struct mlx4_dev *dev, enum mlx4_protocol proto, int port)
+{
+       struct mlx4_priv *priv = mlx4_priv(dev);
+       struct mlx4_device_context *dev_ctx;
+       unsigned long flags;
+       void *result = NULL;
+
+       spin_lock_irqsave(&priv->ctx_lock, flags);
+
+       list_for_each_entry(dev_ctx, &priv->ctx_list, list)
+               if (dev_ctx->intf->protocol == proto && dev_ctx->intf->get_dev) {
+                       result = dev_ctx->intf->get_dev(dev, dev_ctx->context, port);
+                       break;
+               }
+
+       spin_unlock_irqrestore(&priv->ctx_lock, flags);
+
+       return result;
+}
+EXPORT_SYMBOL_GPL(mlx4_get_protocol_dev);