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Diffstat (limited to 'arch/x86/mach-voyager/voyager_thread.c')
-rw-r--r--arch/x86/mach-voyager/voyager_thread.c52
1 files changed, 24 insertions, 28 deletions
diff --git a/arch/x86/mach-voyager/voyager_thread.c b/arch/x86/mach-voyager/voyager_thread.c
index 50f9366c411..c69c931818e 100644
--- a/arch/x86/mach-voyager/voyager_thread.c
+++ b/arch/x86/mach-voyager/voyager_thread.c
@@ -30,12 +30,10 @@
#include <asm/mtrr.h>
#include <asm/msr.h>
-
struct task_struct *voyager_thread;
static __u8 set_timeout;
-static int
-execute(const char *string)
+static int execute(const char *string)
{
int ret;
@@ -52,48 +50,48 @@ execute(const char *string)
NULL,
};
- if ((ret = call_usermodehelper(argv[0], argv, envp, UMH_WAIT_PROC)) != 0) {
- printk(KERN_ERR "Voyager failed to run \"%s\": %i\n",
- string, ret);
+ if ((ret =
+ call_usermodehelper(argv[0], argv, envp, UMH_WAIT_PROC)) != 0) {
+ printk(KERN_ERR "Voyager failed to run \"%s\": %i\n", string,
+ ret);
}
return ret;
}
-static void
-check_from_kernel(void)
+static void check_from_kernel(void)
{
- if(voyager_status.switch_off) {
-
+ if (voyager_status.switch_off) {
+
/* FIXME: This should be configurable via proc */
execute("umask 600; echo 0 > /etc/initrunlvl; kill -HUP 1");
- } else if(voyager_status.power_fail) {
+ } else if (voyager_status.power_fail) {
VDEBUG(("Voyager daemon detected AC power failure\n"));
-
+
/* FIXME: This should be configureable via proc */
execute("umask 600; echo F > /etc/powerstatus; kill -PWR 1");
set_timeout = 1;
}
}
-static void
-check_continuing_condition(void)
+static void check_continuing_condition(void)
{
- if(voyager_status.power_fail) {
+ if (voyager_status.power_fail) {
__u8 data;
- voyager_cat_psi(VOYAGER_PSI_SUBREAD,
+ voyager_cat_psi(VOYAGER_PSI_SUBREAD,
VOYAGER_PSI_AC_FAIL_REG, &data);
- if((data & 0x1f) == 0) {
+ if ((data & 0x1f) == 0) {
/* all power restored */
- printk(KERN_NOTICE "VOYAGER AC power restored, cancelling shutdown\n");
+ printk(KERN_NOTICE
+ "VOYAGER AC power restored, cancelling shutdown\n");
/* FIXME: should be user configureable */
- execute("umask 600; echo O > /etc/powerstatus; kill -PWR 1");
+ execute
+ ("umask 600; echo O > /etc/powerstatus; kill -PWR 1");
set_timeout = 0;
}
}
}
-static int
-thread(void *unused)
+static int thread(void *unused)
{
printk(KERN_NOTICE "Voyager starting monitor thread\n");
@@ -102,7 +100,7 @@ thread(void *unused)
schedule_timeout(set_timeout ? HZ : MAX_SCHEDULE_TIMEOUT);
VDEBUG(("Voyager Daemon awoken\n"));
- if(voyager_status.request_from_kernel == 0) {
+ if (voyager_status.request_from_kernel == 0) {
/* probably awoken from timeout */
check_continuing_condition();
} else {
@@ -112,20 +110,18 @@ thread(void *unused)
}
}
-static int __init
-voyager_thread_start(void)
+static int __init voyager_thread_start(void)
{
voyager_thread = kthread_run(thread, NULL, "kvoyagerd");
if (IS_ERR(voyager_thread)) {
- printk(KERN_ERR "Voyager: Failed to create system monitor thread.\n");
+ printk(KERN_ERR
+ "Voyager: Failed to create system monitor thread.\n");
return PTR_ERR(voyager_thread);
}
return 0;
}
-
-static void __exit
-voyager_thread_stop(void)
+static void __exit voyager_thread_stop(void)
{
kthread_stop(voyager_thread);
}