wifi: rtl8xxxu: cleanup includes

Remove unnecessary includes from driver. The first step is to add
necessary includes to driver's header files to make them can be included
individually. Then, driver's C files include driver's header files first,
and check if still missed header files of kernel.

The results show that most C files only include driver's header files.
Only core.c needs to include additional linux/firmware.h.

Also sort includes in alphabetic order.

Compile tested only.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://msgid.link/20240429024711.30992-1-pkshih@realtek.com

drivers/net/wireless/realtek/rtl8xxxu/8188e.c

@@ -13,20 +13,8 @@
  * additional 8xxx chips like the 8192cu, 8188cus, etc.
  */
 
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/slab.h>
-#include <linux/module.h>
-#include <linux/spinlock.h>
-#include <linux/list.h>
-#include <linux/usb.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/firmware.h>
-#include <linux/moduleparam.h>
-#include <net/mac80211.h>
-#include "rtl8xxxu.h"
 #include "regs.h"
+#include "rtl8xxxu.h"
 
 static const struct rtl8xxxu_reg8val rtl8188e_mac_init_table[] = {
 	{0x026, 0x41}, {0x027, 0x35}, {0x040, 0x00}, {0x421, 0x0f},

drivers/net/wireless/realtek/rtl8xxxu/8188f.c

@@ -11,20 +11,8 @@
  * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
  */
 
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/slab.h>
-#include <linux/module.h>
-#include <linux/spinlock.h>
-#include <linux/list.h>
-#include <linux/usb.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/firmware.h>
-#include <linux/moduleparam.h>
-#include <net/mac80211.h>
-#include "rtl8xxxu.h"
 #include "regs.h"
+#include "rtl8xxxu.h"
 
 static const struct rtl8xxxu_reg8val rtl8188f_mac_init_table[] = {
 	{0x024, 0xDF}, {0x025, 0x07}, {0x02B, 0x1C}, {0x283, 0x20},

drivers/net/wireless/realtek/rtl8xxxu/8192c.c

@@ -13,20 +13,8 @@
  * additional 8xxx chips like the 8192cu, 8188cus, etc.
  */
 
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/slab.h>
-#include <linux/module.h>
-#include <linux/spinlock.h>
-#include <linux/list.h>
-#include <linux/usb.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/firmware.h>
-#include <linux/moduleparam.h>
-#include <net/mac80211.h>
-#include "rtl8xxxu.h"
 #include "regs.h"
+#include "rtl8xxxu.h"
 
 #ifdef CONFIG_RTL8XXXU_UNTESTED
 static struct rtl8xxxu_power_base rtl8192c_power_base = {

drivers/net/wireless/realtek/rtl8xxxu/8192e.c

@@ -13,20 +13,8 @@
  * additional 8xxx chips like the 8192cu, 8188cus, etc.
  */
 
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/slab.h>
-#include <linux/module.h>
-#include <linux/spinlock.h>
-#include <linux/list.h>
-#include <linux/usb.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/firmware.h>
-#include <linux/moduleparam.h>
-#include <net/mac80211.h>
-#include "rtl8xxxu.h"
 #include "regs.h"
+#include "rtl8xxxu.h"
 
 static const struct rtl8xxxu_reg8val rtl8192e_mac_init_table[] = {
 	{0x011, 0xeb}, {0x012, 0x07}, {0x014, 0x75}, {0x303, 0xa7},

drivers/net/wireless/realtek/rtl8xxxu/8192f.c

@@ -11,20 +11,8 @@
  * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
  */
 
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/slab.h>
-#include <linux/module.h>
-#include <linux/spinlock.h>
-#include <linux/list.h>
-#include <linux/usb.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/firmware.h>
-#include <linux/moduleparam.h>
-#include <net/mac80211.h>
-#include "rtl8xxxu.h"
 #include "regs.h"
+#include "rtl8xxxu.h"
 
 static const struct rtl8xxxu_reg8val rtl8192f_mac_init_table[] = {
 	{0x420, 0x00},	{0x422, 0x78},	{0x428, 0x0a},	{0x429, 0x10},

drivers/net/wireless/realtek/rtl8xxxu/8710b.c

@@ -11,20 +11,8 @@
  * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
  */
 
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/slab.h>
-#include <linux/module.h>
-#include <linux/spinlock.h>
-#include <linux/list.h>
-#include <linux/usb.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/firmware.h>
-#include <linux/moduleparam.h>
-#include <net/mac80211.h>
-#include "rtl8xxxu.h"
 #include "regs.h"
+#include "rtl8xxxu.h"
 
 static const struct rtl8xxxu_reg8val rtl8710b_mac_init_table[] = {
 	{0x421, 0x0F}, {0x428, 0x0A}, {0x429, 0x10}, {0x430, 0x00},

drivers/net/wireless/realtek/rtl8xxxu/8723a.c

@@ -13,20 +13,8 @@
  * additional 8xxx chips like the 8192cu, 8188cus, etc.
  */
 
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/slab.h>
-#include <linux/module.h>
-#include <linux/spinlock.h>
-#include <linux/list.h>
-#include <linux/usb.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/firmware.h>
-#include <linux/moduleparam.h>
-#include <net/mac80211.h>
-#include "rtl8xxxu.h"
 #include "regs.h"
+#include "rtl8xxxu.h"
 
 static struct rtl8xxxu_power_base rtl8723a_power_base = {
 	.reg_0e00 = 0x0a0c0c0c,

drivers/net/wireless/realtek/rtl8xxxu/8723b.c

@@ -13,20 +13,8 @@
  * additional 8xxx chips like the 8192cu, 8188cus, etc.
  */
 
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/slab.h>
-#include <linux/module.h>
-#include <linux/spinlock.h>
-#include <linux/list.h>
-#include <linux/usb.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/firmware.h>
-#include <linux/moduleparam.h>
-#include <net/mac80211.h>
-#include "rtl8xxxu.h"
 #include "regs.h"
+#include "rtl8xxxu.h"
 
 static const struct rtl8xxxu_reg8val rtl8723b_mac_init_table[] = {
 	{0x02f, 0x30}, {0x035, 0x00}, {0x039, 0x08}, {0x04e, 0xe0},

drivers/net/wireless/realtek/rtl8xxxu/core.c

@@ -13,20 +13,9 @@
  * additional 8xxx chips like the 8192cu, 8188cus, etc.
  */
 
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/slab.h>
-#include <linux/module.h>
-#include <linux/spinlock.h>
-#include <linux/list.h>
-#include <linux/usb.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
 #include <linux/firmware.h>
-#include <linux/moduleparam.h>
-#include <net/mac80211.h>
-#include "rtl8xxxu.h"
 #include "regs.h"
+#include "rtl8xxxu.h"
 
 #define DRIVER_NAME "rtl8xxxu"
 

drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h

@@ -5,8 +5,9 @@
  * Register definitions taken from original Realtek rtl8723au driver
  */
 
-#include <asm/byteorder.h>
 #include <linux/average.h>
+#include <linux/usb.h>
+#include <net/mac80211.h>
 
 #define RTL8XXXU_DEBUG_REG_WRITE	0x01
 #define RTL8XXXU_DEBUG_REG_READ		0x02