* of the GNU Public License, incorporated herein by reference.
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/fs.h>
#include <linux/kernel.h>
#include <linux/module.h>
ASMTYPE_SPRUCE,
};
-#define PFX "ibmasr: "
-
#define TOPAZ_ASR_REG_OFFSET 4
#define TOPAZ_ASR_TOGGLE 0x40
#define TOPAZ_ASR_DISABLE 0x80
#define SPRUCE_ASR_TOGGLE_MASK 0x02 /* bit 0: 0, then 1, then 0 */
-static int nowayout = WATCHDOG_NOWAYOUT;
+static bool nowayout = WATCHDOG_NOWAYOUT;
static unsigned long asr_is_open;
static char asr_expect_close;
}
if (!request_region(asr_base, asr_length, "ibmasr")) {
- printk(KERN_ERR PFX "address %#x already in use\n",
- asr_base);
+ pr_err("address %#x already in use\n", asr_base);
return -EBUSY;
}
- printk(KERN_INFO PFX "found %sASR @ addr %#x\n", type, asr_base);
+ pr_info("found %sASR @ addr %#x\n", type, asr_base);
return 0;
}
if (asr_expect_close == 42)
asr_disable();
else {
- printk(KERN_CRIT PFX
- "unexpected close, not stopping watchdog!\n");
+ pr_crit("unexpected close, not stopping watchdog!\n");
asr_toggle();
}
clear_bit(0, &asr_is_open);
rc = misc_register(&asr_miscdev);
if (rc < 0) {
release_region(asr_base, asr_length);
- printk(KERN_ERR PFX "failed to register misc device\n");
+ pr_err("failed to register misc device\n");
return rc;
}
module_init(ibmasr_init);
module_exit(ibmasr_exit);
-module_param(nowayout, int, 0);
+module_param(nowayout, bool, 0);
MODULE_PARM_DESC(nowayout,
"Watchdog cannot be stopped once started (default="
__MODULE_STRING(WATCHDOG_NOWAYOUT) ")");