[WATCHDOG] pcwd_usb.c - document includes

document and review the include files.

Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

diff --git a/drivers/char/watchdog/pcwd_usb.c b/drivers/char/watchdog/pcwd_usb.c
index 2da5ac9..e5c2206 100644 (file)
--- a/drivers/char/watchdog/pcwd_usb.c
+++ b/drivers/char/watchdog/pcwd_usb.c
@@ -24,26 +24,25 @@
  *     http://www.berkprod.com/ or http://www.pcwatchdog.com/
  */
 
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/types.h>
-#include <linux/delay.h>
-#include <linux/miscdevice.h>
-#include <linux/watchdog.h>
-#include <linux/notifier.h>
-#include <linux/reboot.h>
-#include <linux/fs.h>
-#include <linux/smp_lock.h>
-#include <linux/completion.h>
-#include <asm/uaccess.h>
-#include <linux/usb.h>
-#include <linux/mutex.h>
+#include <linux/module.h>      /* For module specific items */
+#include <linux/moduleparam.h> /* For new moduleparam's */
+#include <linux/types.h>       /* For standard types (like size_t) */
+#include <linux/errno.h>       /* For the -ENODEV/... values */
+#include <linux/kernel.h>      /* For printk/panic/... */
+#include <linux/delay.h>       /* For mdelay function */
+#include <linux/miscdevice.h>  /* For MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR) */
+#include <linux/watchdog.h>    /* For the watchdog specific items */
+#include <linux/notifier.h>    /* For notifier support */
+#include <linux/reboot.h>      /* For reboot_notifier stuff */
+#include <linux/init.h>                /* For __init/__exit/... */
+#include <linux/fs.h>          /* For file operations */
+#include <linux/usb.h>         /* For USB functions */
+#include <linux/slab.h>                /* For kmalloc, ... */
+#include <linux/mutex.h>       /* For mutex locking */
 #include <linux/hid.h>         /* For HID_REQ_SET_REPORT & HID_DT_REPORT */
 
+#include <asm/uaccess.h>       /* For copy_to_user/put_user/... */
+
 
 #ifdef CONFIG_USB_DEBUG
        static int debug = 1;