summaryrefslogtreecommitdiffstats
path: root/drivers/watchdog/hpwdt.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/watchdog/hpwdt.c')
-rw-r--r--drivers/watchdog/hpwdt.c36
1 files changed, 15 insertions, 21 deletions
diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c
index 8464ea1c36a..cbc7ceef278 100644
--- a/drivers/watchdog/hpwdt.c
+++ b/drivers/watchdog/hpwdt.c
@@ -13,6 +13,8 @@
*
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/device.h>
#include <linux/fs.h>
#include <linux/init.h>
@@ -45,7 +47,7 @@
static unsigned int soft_margin = DEFAULT_MARGIN; /* in seconds */
static unsigned int reload; /* the computed soft_margin */
-static int nowayout = WATCHDOG_NOWAYOUT;
+static bool nowayout = WATCHDOG_NOWAYOUT;
static char expect_release;
static unsigned long hpwdt_is_open;
@@ -231,12 +233,11 @@ static int __devinit cru_detect(unsigned long map_entry,
cmn_regs.u1.reax = CRU_BIOS_SIGNATURE_VALUE;
- set_memory_x((unsigned long)bios32_entrypoint, (2 * PAGE_SIZE));
+ set_memory_x((unsigned long)bios32_map, 2);
asminline_call(&cmn_regs, bios32_entrypoint);
if (cmn_regs.u1.ral != 0) {
- printk(KERN_WARNING
- "hpwdt: Call succeeded but with an error: 0x%x\n",
+ pr_warn("Call succeeded but with an error: 0x%x\n",
cmn_regs.u1.ral);
} else {
physical_bios_base = cmn_regs.u2.rebx;
@@ -250,19 +251,16 @@ static int __devinit cru_detect(unsigned long map_entry,
cru_rom_addr =
ioremap(cru_physical_address, cru_length);
if (cru_rom_addr) {
- set_memory_x((unsigned long)cru_rom_addr, cru_length);
+ set_memory_x((unsigned long)cru_rom_addr & PAGE_MASK,
+ (cru_length + PAGE_SIZE - 1) >> PAGE_SHIFT);
retval = 0;
}
}
- printk(KERN_DEBUG "hpwdt: CRU Base Address: 0x%lx\n",
- physical_bios_base);
- printk(KERN_DEBUG "hpwdt: CRU Offset Address: 0x%lx\n",
- physical_bios_offset);
- printk(KERN_DEBUG "hpwdt: CRU Length: 0x%lx\n",
- cru_length);
- printk(KERN_DEBUG "hpwdt: CRU Mapped Address: %p\n",
- &cru_rom_addr);
+ pr_debug("CRU Base Address: 0x%lx\n", physical_bios_base);
+ pr_debug("CRU Offset Address: 0x%lx\n", physical_bios_offset);
+ pr_debug("CRU Length: 0x%lx\n", cru_length);
+ pr_debug("CRU Mapped Address: %p\n", &cru_rom_addr);
}
iounmap(bios32_map);
return retval;
@@ -457,16 +455,13 @@ static void hpwdt_ping(void)
static int hpwdt_change_timer(int new_margin)
{
if (new_margin < 1 || new_margin > HPWDT_MAX_TIMER) {
- printk(KERN_WARNING
- "hpwdt: New value passed in is invalid: %d seconds.\n",
+ pr_warn("New value passed in is invalid: %d seconds\n",
new_margin);
return -EINVAL;
}
soft_margin = new_margin;
- printk(KERN_DEBUG
- "hpwdt: New timer passed in is %d seconds.\n",
- new_margin);
+ pr_debug("New timer passed in is %d seconds\n", new_margin);
reload = SECS_TO_TICKS(soft_margin);
return 0;
@@ -534,8 +529,7 @@ static int hpwdt_release(struct inode *inode, struct file *file)
if (expect_release == 42) {
hpwdt_stop();
} else {
- printk(KERN_CRIT
- "hpwdt: Unexpected close, not stopping watchdog!\n");
+ pr_crit("Unexpected close, not stopping watchdog!\n");
hpwdt_ping();
}
@@ -880,7 +874,7 @@ MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
module_param(soft_margin, int, 0);
MODULE_PARM_DESC(soft_margin, "Watchdog timeout in seconds");
-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) ")");