RDMA/erdma: Remove redundant includes

Many of erdma's includes are redundant, because they are already included
indirectly by kernel headers or custom headers. So we remove all the
unnecessary direct-includes. Besides, add linux/pci.h to erdma.h because
it's also used in the file.
Signed-off-by: Cheng Xu <chengyou@linux.alibaba.com>
Link: https://lore.kernel.org/r/20220909093822.33868-3-chengyou@linux.alibaba.comSigned-off-by: Leon Romanovsky <leon@kernel.org>

drivers/infiniband/hw/erdma/erdma.h

@@ -9,6 +9,7 @@
 
 #include <linux/bitfield.h>
 #include <linux/netdevice.h>
+#include <linux/pci.h>
 #include <linux/xarray.h>
 #include <rdma/ib_verbs.h>
 

drivers/infiniband/hw/erdma/erdma_cm.c

@@ -10,15 +10,7 @@
 /* Copyright (c) 2008-2019, IBM Corporation */
 /* Copyright (c) 2017, Open Grid Computing, Inc. */
 
-#include <linux/errno.h>
-#include <linux/inetdevice.h>
-#include <linux/net.h>
-#include <linux/types.h>
 #include <linux/workqueue.h>
-#include <net/addrconf.h>
-
-#include <rdma/ib_user_verbs.h>
-#include <rdma/ib_verbs.h>
 
 #include "erdma.h"
 #include "erdma_cm.h"

drivers/infiniband/hw/erdma/erdma_cmdq.c

@@ -4,13 +4,7 @@
 /*          Kai Shen <kaishen@linux.alibaba.com> */
 /* Copyright (c) 2020-2022, Alibaba Group. */
 
-#include <linux/kernel.h>
-#include <linux/pci.h>
-#include <linux/types.h>
-
 #include "erdma.h"
-#include "erdma_hw.h"
-#include "erdma_verbs.h"
 
 static void arm_cmdq_cq(struct erdma_cmdq *cmdq)
 {

drivers/infiniband/hw/erdma/erdma_cq.c

@@ -4,9 +4,6 @@
 /*          Kai Shen <kaishen@linux.alibaba.com> */
 /* Copyright (c) 2020-2022, Alibaba Group. */
 
-#include <rdma/ib_verbs.h>
-
-#include "erdma_hw.h"
 #include "erdma_verbs.h"
 
 static void *get_next_valid_cqe(struct erdma_cq *cq)

drivers/infiniband/hw/erdma/erdma_eq.c

@@ -4,12 +4,6 @@
 /*          Kai Shen <kaishen@linux.alibaba.com> */
 /* Copyright (c) 2020-2022, Alibaba Group. */
 
-#include <linux/errno.h>
-#include <linux/pci.h>
-#include <linux/types.h>
-
-#include "erdma.h"
-#include "erdma_hw.h"
 #include "erdma_verbs.h"
 
 #define MAX_POLL_CHUNK_SIZE 16

drivers/infiniband/hw/erdma/erdma_main.c

@@ -4,21 +4,12 @@
 /*          Kai Shen <kaishen@linux.alibaba.com> */
 /* Copyright (c) 2020-2022, Alibaba Group. */
 
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/list.h>
 #include <linux/module.h>
-#include <linux/netdevice.h>
-#include <linux/pci.h>
 #include <net/addrconf.h>
 #include <rdma/erdma-abi.h>
-#include <rdma/ib_verbs.h>
-#include <rdma/ib_user_verbs.h>
 
 #include "erdma.h"
 #include "erdma_cm.h"
-#include "erdma_hw.h"
 #include "erdma_verbs.h"
 
 MODULE_AUTHOR("Cheng Xu <chengyou@linux.alibaba.com>");

drivers/infiniband/hw/erdma/erdma_qp.c

@@ -6,15 +6,6 @@
 /* Authors: Bernard Metzler <bmt@zurich.ibm.com> */
 /* Copyright (c) 2008-2019, IBM Corporation */
 
-#include <linux/errno.h>
-#include <linux/pci.h>
-#include <linux/scatterlist.h>
-#include <linux/types.h>
-
-#include <rdma/ib_user_verbs.h>
-#include <rdma/ib_verbs.h>
-
-#include "erdma.h"
 #include "erdma_cm.h"
 #include "erdma_verbs.h"
 

drivers/infiniband/hw/erdma/erdma_verbs.c

@@ -9,21 +9,14 @@
 
 /* Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved. */
 
-#include <linux/errno.h>
-#include <linux/pci.h>
-#include <linux/types.h>
-#include <linux/uaccess.h>
 #include <linux/vmalloc.h>
 #include <net/addrconf.h>
 #include <rdma/erdma-abi.h>
 #include <rdma/ib_umem.h>
-#include <rdma/ib_user_verbs.h>
-#include <rdma/ib_verbs.h>
 #include <rdma/uverbs_ioctl.h>
 
 #include "erdma.h"
 #include "erdma_cm.h"
-#include "erdma_hw.h"
 #include "erdma_verbs.h"
 
 static int create_qp_cmd(struct erdma_dev *dev, struct erdma_qp *qp)

drivers/infiniband/hw/erdma/erdma_verbs.h

@@ -7,15 +7,7 @@
 #ifndef __ERDMA_VERBS_H__
 #define __ERDMA_VERBS_H__
 
-#include <linux/errno.h>
-
-#include <rdma/ib_verbs.h>
-#include <rdma/ib_user_verbs.h>
-#include <rdma/iw_cm.h>
-
 #include "erdma.h"
-#include "erdma_cm.h"
-#include "erdma_hw.h"
 
 /* RDMA Capability. */
 #define ERDMA_MAX_PD (128 * 1024)