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path: root/drivers/watchdog/pcwd.c
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Diffstat (limited to 'drivers/watchdog/pcwd.c')
-rw-r--r--drivers/watchdog/pcwd.c127
1 files changed, 51 insertions, 76 deletions
diff --git a/drivers/watchdog/pcwd.c b/drivers/watchdog/pcwd.c
index 06f7922606c..75694cf24f8 100644
--- a/drivers/watchdog/pcwd.c
+++ b/drivers/watchdog/pcwd.c
@@ -51,6 +51,8 @@
* http://www.pcwatchdog.com/
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#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) */
@@ -75,7 +77,6 @@
#define WATCHDOG_DATE "18 Feb 2007"
#define WATCHDOG_DRIVER_NAME "ISA-PC Watchdog"
#define WATCHDOG_NAME "pcwd"
-#define PFX WATCHDOG_NAME ": "
#define DRIVER_VERSION WATCHDOG_DRIVER_NAME " driver, v" WATCHDOG_VERSION "\n"
/*
@@ -203,8 +204,8 @@ MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. "
"(2 <= heartbeat <= 7200 or 0=delay-time from dip-switches, default="
__MODULE_STRING(WATCHDOG_HEARTBEAT) ")");
-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) ")");
@@ -220,8 +221,7 @@ static int send_isa_command(int cmd)
int port0, last_port0; /* Double read for stabilising */
if (debug >= DEBUG)
- printk(KERN_DEBUG PFX "sending following data cmd=0x%02x\n",
- cmd);
+ pr_debug("sending following data cmd=0x%02x\n", cmd);
/* The WCMD bit must be 1 and the command is only 4 bits in size */
control_status = (cmd & 0x0F) | WD_WCMD;
@@ -240,9 +240,8 @@ static int send_isa_command(int cmd)
}
if (debug >= DEBUG)
- printk(KERN_DEBUG PFX "received following data for "
- "cmd=0x%02x: port0=0x%02x last_port0=0x%02x\n",
- cmd, port0, last_port0);
+ pr_debug("received following data for cmd=0x%02x: port0=0x%02x last_port0=0x%02x\n",
+ cmd, port0, last_port0);
return port0;
}
@@ -271,8 +270,7 @@ static int set_command_mode(void)
pcwd_private.command_mode = found;
if (debug >= DEBUG)
- printk(KERN_DEBUG PFX "command_mode=%d\n",
- pcwd_private.command_mode);
+ pr_debug("command_mode=%d\n", pcwd_private.command_mode);
return found;
}
@@ -288,8 +286,7 @@ static void unset_command_mode(void)
pcwd_private.command_mode = 0;
if (debug >= DEBUG)
- printk(KERN_DEBUG PFX "command_mode=%d\n",
- pcwd_private.command_mode);
+ pr_debug("command_mode=%d\n", pcwd_private.command_mode);
}
static inline void pcwd_check_temperature_support(void)
@@ -336,17 +333,14 @@ static void pcwd_show_card_info(void)
/* Get some extra info from the hardware (in command/debug/diag mode) */
if (pcwd_private.revision == PCWD_REVISION_A)
- printk(KERN_INFO PFX
- "ISA-PC Watchdog (REV.A) detected at port 0x%04x\n",
- pcwd_private.io_addr);
+ pr_info("ISA-PC Watchdog (REV.A) detected at port 0x%04x\n",
+ pcwd_private.io_addr);
else if (pcwd_private.revision == PCWD_REVISION_C) {
pcwd_get_firmware();
- printk(KERN_INFO PFX "ISA-PC Watchdog (REV.C) detected at port "
- "0x%04x (Firmware version: %s)\n",
+ pr_info("ISA-PC Watchdog (REV.C) detected at port 0x%04x (Firmware version: %s)\n",
pcwd_private.io_addr, pcwd_private.fw_ver_str);
option_switches = pcwd_get_option_switches();
- printk(KERN_INFO PFX "Option switches (0x%02x): "
- "Temperature Reset Enable=%s, Power On Delay=%s\n",
+ pr_info("Option switches (0x%02x): Temperature Reset Enable=%s, Power On Delay=%s\n",
option_switches,
((option_switches & 0x10) ? "ON" : "OFF"),
((option_switches & 0x08) ? "ON" : "OFF"));
@@ -359,22 +353,18 @@ static void pcwd_show_card_info(void)
}
if (pcwd_private.supports_temp)
- printk(KERN_INFO PFX "Temperature Option Detected\n");
+ pr_info("Temperature Option Detected\n");
if (pcwd_private.boot_status & WDIOF_CARDRESET)
- printk(KERN_INFO PFX
- "Previous reboot was caused by the card\n");
+ pr_info("Previous reboot was caused by the card\n");
if (pcwd_private.boot_status & WDIOF_OVERHEAT) {
- printk(KERN_EMERG PFX
- "Card senses a CPU Overheat. Panicking!\n");
- printk(KERN_EMERG PFX
- "CPU Overheat\n");
+ pr_emerg("Card senses a CPU Overheat. Panicking!\n");
+ pr_emerg("CPU Overheat\n");
}
if (pcwd_private.boot_status == 0)
- printk(KERN_INFO PFX
- "No previous trip detected - Cold boot or reset\n");
+ pr_info("No previous trip detected - Cold boot or reset\n");
}
static void pcwd_timer_ping(unsigned long data)
@@ -404,8 +394,7 @@ static void pcwd_timer_ping(unsigned long data)
spin_unlock(&pcwd_private.io_lock);
} else {
- printk(KERN_WARNING PFX
- "Heartbeat lost! Will not ping the watchdog\n");
+ pr_warn("Heartbeat lost! Will not ping the watchdog\n");
}
}
@@ -426,13 +415,13 @@ static int pcwd_start(void)
stat_reg = inb_p(pcwd_private.io_addr + 2);
spin_unlock(&pcwd_private.io_lock);
if (stat_reg & WD_WDIS) {
- printk(KERN_INFO PFX "Could not start watchdog\n");
+ pr_info("Could not start watchdog\n");
return -EIO;
}
}
if (debug >= VERBOSE)
- printk(KERN_DEBUG PFX "Watchdog started\n");
+ pr_debug("Watchdog started\n");
return 0;
}
@@ -454,13 +443,13 @@ static int pcwd_stop(void)
stat_reg = inb_p(pcwd_private.io_addr + 2);
spin_unlock(&pcwd_private.io_lock);
if ((stat_reg & WD_WDIS) == 0) {
- printk(KERN_INFO PFX "Could not stop watchdog\n");
+ pr_info("Could not stop watchdog\n");
return -EIO;
}
}
if (debug >= VERBOSE)
- printk(KERN_DEBUG PFX "Watchdog stopped\n");
+ pr_debug("Watchdog stopped\n");
return 0;
}
@@ -471,7 +460,7 @@ static int pcwd_keepalive(void)
pcwd_private.next_heartbeat = jiffies + (heartbeat * HZ);
if (debug >= DEBUG)
- printk(KERN_DEBUG PFX "Watchdog keepalive signal send\n");
+ pr_debug("Watchdog keepalive signal send\n");
return 0;
}
@@ -484,8 +473,7 @@ static int pcwd_set_heartbeat(int t)
heartbeat = t;
if (debug >= VERBOSE)
- printk(KERN_DEBUG PFX "New heartbeat: %d\n",
- heartbeat);
+ pr_debug("New heartbeat: %d\n", heartbeat);
return 0;
}
@@ -518,8 +506,7 @@ static int pcwd_get_status(int *status)
if (control_status & WD_T110) {
*status |= WDIOF_OVERHEAT;
if (temp_panic) {
- printk(KERN_INFO PFX
- "Temperature overheat trip!\n");
+ pr_info("Temperature overheat trip!\n");
kernel_power_off();
}
}
@@ -530,8 +517,7 @@ static int pcwd_get_status(int *status)
if (control_status & WD_REVC_TTRP) {
*status |= WDIOF_OVERHEAT;
if (temp_panic) {
- printk(KERN_INFO PFX
- "Temperature overheat trip!\n");
+ pr_info("Temperature overheat trip!\n");
kernel_power_off();
}
}
@@ -548,16 +534,14 @@ static int pcwd_clear_status(void)
spin_lock(&pcwd_private.io_lock);
if (debug >= VERBOSE)
- printk(KERN_INFO PFX
- "clearing watchdog trip status\n");
+ pr_info("clearing watchdog trip status\n");
control_status = inb_p(pcwd_private.io_addr + 1);
if (debug >= DEBUG) {
- printk(KERN_DEBUG PFX "status was: 0x%02x\n",
- control_status);
- printk(KERN_DEBUG PFX "sending: 0x%02x\n",
- (control_status & WD_REVC_R2DS));
+ pr_debug("status was: 0x%02x\n", control_status);
+ pr_debug("sending: 0x%02x\n",
+ (control_status & WD_REVC_R2DS));
}
/* clear reset status & Keep Relay 2 disable state as it is */
@@ -588,8 +572,7 @@ static int pcwd_get_temperature(int *temperature)
spin_unlock(&pcwd_private.io_lock);
if (debug >= DEBUG) {
- printk(KERN_DEBUG PFX "temperature is: %d F\n",
- *temperature);
+ pr_debug("temperature is: %d F\n", *temperature);
}
return 0;
@@ -720,8 +703,7 @@ static int pcwd_close(struct inode *inode, struct file *file)
if (expect_close == 42)
pcwd_stop();
else {
- printk(KERN_CRIT PFX
- "Unexpected close, not stopping watchdog!\n");
+ pr_crit("Unexpected close, not stopping watchdog!\n");
pcwd_keepalive();
}
expect_close = 0;
@@ -828,11 +810,10 @@ static int __devinit pcwd_isa_match(struct device *dev, unsigned int id)
int retval;
if (debug >= DEBUG)
- printk(KERN_DEBUG PFX "pcwd_isa_match id=%d\n",
- id);
+ pr_debug("pcwd_isa_match id=%d\n", id);
if (!request_region(base_addr, 4, "PCWD")) {
- printk(KERN_INFO PFX "Port 0x%04x unavailable\n", base_addr);
+ pr_info("Port 0x%04x unavailable\n", base_addr);
return 0;
}
@@ -870,21 +851,20 @@ static int __devinit pcwd_isa_probe(struct device *dev, unsigned int id)
int ret;
if (debug >= DEBUG)
- printk(KERN_DEBUG PFX "pcwd_isa_probe id=%d\n",
- id);
+ pr_debug("pcwd_isa_probe id=%d\n", id);
cards_found++;
if (cards_found == 1)
- printk(KERN_INFO PFX "v%s Ken Hollis (kenji@bitgate.com)\n",
+ pr_info("v%s Ken Hollis (kenji@bitgate.com)\n",
WATCHDOG_VERSION);
if (cards_found > 1) {
- printk(KERN_ERR PFX "This driver only supports 1 device\n");
+ pr_err("This driver only supports 1 device\n");
return -ENODEV;
}
if (pcwd_ioports[id] == 0x0000) {
- printk(KERN_ERR PFX "No I/O-Address for card detected\n");
+ pr_err("No I/O-Address for card detected\n");
return -ENODEV;
}
pcwd_private.io_addr = pcwd_ioports[id];
@@ -896,8 +876,8 @@ static int __devinit pcwd_isa_probe(struct device *dev, unsigned int id)
if (!request_region(pcwd_private.io_addr,
(pcwd_private.revision == PCWD_REVISION_A) ? 2 : 4, "PCWD")) {
- printk(KERN_ERR PFX "I/O address 0x%04x already in use\n",
- pcwd_private.io_addr);
+ pr_err("I/O address 0x%04x already in use\n",
+ pcwd_private.io_addr);
ret = -EIO;
goto error_request_region;
}
@@ -932,30 +912,27 @@ static int __devinit pcwd_isa_probe(struct device *dev, unsigned int id)
if not reset to the default */
if (pcwd_set_heartbeat(heartbeat)) {
pcwd_set_heartbeat(WATCHDOG_HEARTBEAT);
- printk(KERN_INFO PFX
- "heartbeat value must be 2 <= heartbeat <= 7200, using %d\n",
- WATCHDOG_HEARTBEAT);
+ pr_info("heartbeat value must be 2 <= heartbeat <= 7200, using %d\n",
+ WATCHDOG_HEARTBEAT);
}
if (pcwd_private.supports_temp) {
ret = misc_register(&temp_miscdev);
if (ret) {
- printk(KERN_ERR PFX
- "cannot register miscdev on minor=%d (err=%d)\n",
- TEMP_MINOR, ret);
+ pr_err("cannot register miscdev on minor=%d (err=%d)\n",
+ TEMP_MINOR, ret);
goto error_misc_register_temp;
}
}
ret = misc_register(&pcwd_miscdev);
if (ret) {
- 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 error_misc_register_watchdog;
}
- printk(KERN_INFO PFX "initialized. heartbeat=%d sec (nowayout=%d)\n",
+ pr_info("initialized. heartbeat=%d sec (nowayout=%d)\n",
heartbeat, nowayout);
return 0;
@@ -975,8 +952,7 @@ error_request_region:
static int __devexit pcwd_isa_remove(struct device *dev, unsigned int id)
{
if (debug >= DEBUG)
- printk(KERN_DEBUG PFX "pcwd_isa_remove id=%d\n",
- id);
+ pr_debug("pcwd_isa_remove id=%d\n", id);
if (!pcwd_private.io_addr)
return 1;
@@ -1000,8 +976,7 @@ static int __devexit pcwd_isa_remove(struct device *dev, unsigned int id)
static void pcwd_isa_shutdown(struct device *dev, unsigned int id)
{
if (debug >= DEBUG)
- printk(KERN_DEBUG PFX "pcwd_isa_shutdown id=%d\n",
- id);
+ pr_debug("pcwd_isa_shutdown id=%d\n", id);
pcwd_stop();
}
@@ -1025,7 +1000,7 @@ static int __init pcwd_init_module(void)
static void __exit pcwd_cleanup_module(void)
{
isa_unregister_driver(&pcwd_isa_driver);
- printk(KERN_INFO PFX "Watchdog Module Unloaded.\n");
+ pr_info("Watchdog Module Unloaded\n");
}
module_init(pcwd_init_module);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-11 16:01:15 +0000