* Includes, defines, variables, module parameters, ...
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
/* Includes */
#include <linux/module.h> /* For module specific items */
#include <linux/moduleparam.h> /* For new moduleparam's */
/* Module information */
#define DRV_NAME "acquirewdt"
-#define PFX DRV_NAME ": "
#define WATCHDOG_NAME "Acquire WDT"
/* There is no way to see what the correct time-out period is */
#define WATCHDOG_HEARTBEAT 0
module_param(wdt_start, int, 0);
MODULE_PARM_DESC(wdt_start, "Acquire WDT 'start' io port (default 0x443)");
-static int nowayout = WATCHDOG_NOWAYOUT;
-module_param(nowayout, int, 0);
+static bool nowayout = WATCHDOG_NOWAYOUT;
+module_param(nowayout, bool, 0);
MODULE_PARM_DESC(nowayout,
"Watchdog cannot be stopped once started (default="
__MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
if (expect_close == 42) {
acq_stop();
} else {
- printk(KERN_CRIT PFX
- "Unexpected close, not stopping watchdog!\n");
+ pr_crit("Unexpected close, not stopping watchdog!\n");
acq_keepalive();
}
clear_bit(0, &acq_is_open);
if (wdt_stop != wdt_start) {
if (!request_region(wdt_stop, 1, WATCHDOG_NAME)) {
- printk(KERN_ERR PFX
- "I/O address 0x%04x already in use\n", wdt_stop);
+ pr_err("I/O address 0x%04x already in use\n", wdt_stop);
ret = -EIO;
goto out;
}
}
if (!request_region(wdt_start, 1, WATCHDOG_NAME)) {
- printk(KERN_ERR PFX "I/O address 0x%04x already in use\n",
- wdt_start);
+ pr_err("I/O address 0x%04x already in use\n", wdt_start);
ret = -EIO;
goto unreg_stop;
}
ret = misc_register(&acq_miscdev);
if (ret != 0) {
- printk(KERN_ERR PFX
- "cannot register miscdev on minor=%d (err=%d)\n",
- WATCHDOG_MINOR, ret);
+ pr_err("cannot register miscdev on minor=%d (err=%d)\n",
+ WATCHDOG_MINOR, ret);
goto unreg_regions;
}
- printk(KERN_INFO PFX "initialized. (nowayout=%d)\n", nowayout);
+ pr_info("initialized. (nowayout=%d)\n", nowayout);
return 0;
unreg_regions:
{
int err;
- printk(KERN_INFO
- "WDT driver for Acquire single board computer initialising.\n");
+ pr_info("WDT driver for Acquire single board computer initialising\n");
err = platform_driver_register(&acquirewdt_driver);
if (err)
{
platform_device_unregister(acq_platform_device);
platform_driver_unregister(&acquirewdt_driver);
- printk(KERN_INFO PFX "Watchdog Module Unloaded.\n");
+ pr_info("Watchdog Module Unloaded\n");
}
module_init(acq_init);