Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/infiniband/hw/mlx5/cmd.h b/drivers/infiniband/hw/mlx5/cmd.h
index 88cbb1c..169cab4 100644
--- a/drivers/infiniband/hw/mlx5/cmd.h
+++ b/drivers/infiniband/hw/mlx5/cmd.h
@@ -44,7 +44,25 @@
 int mlx5_cmd_query_ext_ppcnt_counters(struct mlx5_core_dev *dev, void *out);
 int mlx5_cmd_modify_cong_params(struct mlx5_core_dev *mdev,
 				void *in, int in_size);
-int mlx5_cmd_alloc_memic(struct mlx5_memic *memic, phys_addr_t *addr,
+int mlx5_cmd_alloc_memic(struct mlx5_dm *dm, phys_addr_t *addr,
 			 u64 length, u32 alignment);
-int mlx5_cmd_dealloc_memic(struct mlx5_memic *memic, u64 addr, u64 length);
+int mlx5_cmd_dealloc_memic(struct mlx5_dm *dm, phys_addr_t addr, u64 length);
+void mlx5_cmd_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn, u16 uid);
+void mlx5_cmd_destroy_tir(struct mlx5_core_dev *dev, u32 tirn, u16 uid);
+void mlx5_cmd_destroy_tis(struct mlx5_core_dev *dev, u32 tisn, u16 uid);
+void mlx5_cmd_destroy_rqt(struct mlx5_core_dev *dev, u32 rqtn, u16 uid);
+int mlx5_cmd_alloc_transport_domain(struct mlx5_core_dev *dev, u32 *tdn,
+				    u16 uid);
+void mlx5_cmd_dealloc_transport_domain(struct mlx5_core_dev *dev, u32 tdn,
+				       u16 uid);
+int mlx5_cmd_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid,
+			u32 qpn, u16 uid);
+int mlx5_cmd_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid,
+			u32 qpn, u16 uid);
+int mlx5_cmd_xrcd_alloc(struct mlx5_core_dev *dev, u32 *xrcdn, u16 uid);
+int mlx5_cmd_xrcd_dealloc(struct mlx5_core_dev *dev, u32 xrcdn, u16 uid);
+int mlx5_cmd_alloc_q_counter(struct mlx5_core_dev *dev, u16 *counter_id,
+			     u16 uid);
+int mlx5_cmd_mad_ifc(struct mlx5_core_dev *dev, const void *inb, void *outb,
+		     u16 opmod, u8 port);
 #endif /* MLX5_IB_CMD_H */