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[WATCHDOG] pcwd.c add comments + tabs
add extra comments for the include files
changes spaces by tabs where it is appropriate.
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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drivers/char/watchdog/pcwd.c
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-34
drivers/char/watchdog/pcwd.c
···
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* More info available at http://www.berkprod.com/ or http://www.pcwatchdog.com/
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*/
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/types.h>
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#include <linux/timer.h>
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#include <linux/jiffies.h>
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#include <linux/config.h>
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#include <linux/wait.h>
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#include <linux/slab.h>
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#include <linux/ioport.h>
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#include <linux/delay.h>
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#include <linux/fs.h>
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#include <linux/miscdevice.h>
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#include <linux/watchdog.h>
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#include <linux/notifier.h>
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#include <linux/init.h>
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#include <linux/spinlock.h>
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#include <linux/reboot.h>
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#include <linux/config.h> /* For CONFIG_WATCHDOG_NOWAYOUT/... */
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#include <linux/module.h> /* For module specific items */
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#include <linux/moduleparam.h> /* For new moduleparam's */
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#include <linux/types.h> /* For standard types (like size_t) */
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#include <linux/errno.h> /* For the -ENODEV/... values */
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#include <linux/kernel.h> /* For printk/panic/... */
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#include <linux/delay.h> /* For mdelay function */
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#include <linux/timer.h> /* For timer related operations */
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#include <linux/jiffies.h> /* For jiffies stuff */
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#include <linux/miscdevice.h> /* For MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR) */
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#include <linux/watchdog.h> /* For the watchdog specific items */
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#include <linux/notifier.h> /* For notifier support */
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#include <linux/reboot.h> /* For reboot_notifier stuff */
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#include <linux/init.h> /* For __init/__exit/... */
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#include <linux/fs.h> /* For file operations */
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#include <linux/ioport.h> /* For io-port access */
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#include <linux/spinlock.h> /* For spin_lock/spin_unlock/... */
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#include <linux/sched.h> /* TASK_INTERRUPTIBLE, set_current_state() and friends */
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#include <asm/uaccess.h>
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#include <asm/io.h>
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#include <linux/slab.h> /* For kmalloc */
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#include <asm/uaccess.h> /* For copy_to_user/put_user/... */
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#include <asm/io.h> /* For inb/outb/... */
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/* Module and version information */
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#define WD_VER "1.16 (06/12/2004)"
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#define PFX "pcwd: "
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···
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#define PCWD_REVISION_C 2
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/*
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* These are the defines that describe the control status bits for the
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* These are the defines that describe the control status #1 bits for the
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* PC Watchdog card, revision A.
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*/
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#define WD_WDRST 0x01 /* Previously reset state */
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#define WD_SRLY2 0x80 /* Software external relay triggered */
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/*
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* These are the defines that describe the control status bits for the
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* These are the defines that describe the control status #1 bits for the
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* PC Watchdog card, revision C.
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*/
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#define WD_REVC_WTRP 0x01 /* Watchdog Trip status */
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#define ISA_COMMAND_TIMEOUT 1000
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/* Watchdog's internal commands */
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#define CMD_ISA_IDLE 0x00
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#define CMD_ISA_VERSION_INTEGER 0x01
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#define CMD_ISA_VERSION_TENTH 0x02
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#define CMD_ISA_VERSION_HUNDRETH 0x03
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#define CMD_ISA_VERSION_MINOR 0x04
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#define CMD_ISA_SWITCH_SETTINGS 0x05
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#define CMD_ISA_DELAY_TIME_2SECS 0x0A
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#define CMD_ISA_DELAY_TIME_4SECS 0x0B
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#define CMD_ISA_DELAY_TIME_8SECS 0x0C
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#define CMD_ISA_IDLE 0x00
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#define CMD_ISA_VERSION_INTEGER 0x01
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#define CMD_ISA_VERSION_TENTH 0x02
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#define CMD_ISA_VERSION_HUNDRETH 0x03
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#define CMD_ISA_VERSION_MINOR 0x04
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#define CMD_ISA_SWITCH_SETTINGS 0x05
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#define CMD_ISA_DELAY_TIME_2SECS 0x0A
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#define CMD_ISA_DELAY_TIME_4SECS 0x0B
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#define CMD_ISA_DELAY_TIME_8SECS 0x0C
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/*
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* We are using an kernel timer to do the pinging of the watchdog
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printk(KERN_INFO PFX "No previous trip detected - Cold boot or reset\n");
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/* Check that the heartbeat value is within it's range ; if not reset to the default */
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if (pcwd_set_heartbeat(heartbeat)) {
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pcwd_set_heartbeat(WATCHDOG_HEARTBEAT);
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printk(KERN_INFO PFX "heartbeat value must be 2<=heartbeat<=7200, using %d\n",
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WATCHDOG_HEARTBEAT);
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if (pcwd_set_heartbeat(heartbeat)) {
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pcwd_set_heartbeat(WATCHDOG_HEARTBEAT);
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printk(KERN_INFO PFX "heartbeat value must be 2<=heartbeat<=7200, using %d\n",
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WATCHDOG_HEARTBEAT);
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}
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ret = register_reboot_notifier(&pcwd_notifier);