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Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6

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This commit is contained in:
Linus Torvalds 2005-08-09 16:02:15 -07:00
commit 68e681e87f
2 changed files with 20 additions and 64 deletions
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39
drivers/sbus/char/bbc_envctrl.c
View File

@ -7,6 +7,7 @@
#define __KERNEL_SYSCALLS__
#include <linux/kernel.h>
#include <linux/kthread.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/delay.h>
@ -459,10 +460,6 @@ static struct task_struct *kenvctrld_task;
static int kenvctrld(void *__unused)
{
daemonize("kenvctrld");
allow_signal(SIGKILL);
kenvctrld_task = current;
printk(KERN_INFO "bbc_envctrl: kenvctrld starting...\n");
last_warning_jiffies = jiffies - WARN_INTERVAL;
for (;;) {
@ -470,7 +467,7 @@ static int kenvctrld(void *__unused)
struct bbc_fan_control *fp;
msleep_interruptible(POLL_INTERVAL);
if (signal_pending(current))
if (kthread_should_stop())
break;
for (tp = all_bbc_temps; tp; tp = tp->next) {
@ -577,7 +574,6 @@ int bbc_envctrl_init(void)
int temp_index = 0;
int fan_index = 0;
int devidx = 0;
int err = 0;
while ((echild = bbc_i2c_getdev(devidx++)) != NULL) {
if (!strcmp(echild->prom_name, "temperature"))
@ -585,9 +581,13 @@ int bbc_envctrl_init(void)
if (!strcmp(echild->prom_name, "fan-control"))
attach_one_fan(echild, fan_index++);
}
if (temp_index != 0 && fan_index != 0)
err = kernel_thread(kenvctrld, NULL, CLONE_FS | CLONE_FILES);
return err;
if (temp_index != 0 && fan_index != 0) {
kenvctrld_task = kthread_run(kenvctrld, NULL, "kenvctrld");
if (IS_ERR(kenvctrld_task))
return PTR_ERR(kenvctrld_task);
}
return 0;
}
static void destroy_one_temp(struct bbc_cpu_temperature *tp)
@ -607,26 +607,7 @@ void bbc_envctrl_cleanup(void)
struct bbc_cpu_temperature *tp;
struct bbc_fan_control *fp;
if (kenvctrld_task != NULL) {
force_sig(SIGKILL, kenvctrld_task);
for (;;) {
struct task_struct *p;
int found = 0;
read_lock(&tasklist_lock);
for_each_process(p) {
if (p == kenvctrld_task) {
found = 1;
break;
}
}
read_unlock(&tasklist_lock);
if (!found)
break;
msleep(1000);
}
kenvctrld_task = NULL;
}
kthread_stop(kenvctrld_task);
tp = all_bbc_temps;
while (tp != NULL) {

45
drivers/sbus/char/envctrl.c
View File

@ -24,6 +24,7 @@
#include <linux/config.h>
#include <linux/module.h>
#include <linux/sched.h>
#include <linux/kthread.h>
#include <linux/errno.h>
#include <linux/delay.h>
#include <linux/ioport.h>
@ -1010,16 +1011,13 @@ static int kenvctrld(void *__unused)
poll_interval = 5000; /* TODO env_mon_interval */
daemonize("kenvctrld");
allow_signal(SIGKILL);
kenvctrld_task = current;
printk(KERN_INFO "envctrl: %s starting...\n", current->comm);
for (;;) {
if(msleep_interruptible(poll_interval))
break;
msleep_interruptible(poll_interval);
if (kthread_should_stop())
break;
for (whichcpu = 0; whichcpu < ENVCTRL_MAX_CPU; ++whichcpu) {
if (0 < envctrl_read_cpu_info(whichcpu, cputemp,
ENVCTRL_CPUTEMP_MON,
@ -1041,7 +1039,6 @@ static int kenvctrld(void *__unused)
static int __init envctrl_init(void)
{
#ifdef CONFIG_PCI
struct linux_ebus *ebus = NULL;
struct linux_ebus_device *edev = NULL;
struct linux_ebus_child *edev_child = NULL;
@ -1118,9 +1115,11 @@ done:
i2c_childlist[i].addr, (0 == i) ? ("\n") : (" "));
}
err = kernel_thread(kenvctrld, NULL, CLONE_FS | CLONE_FILES);
if (err < 0)
kenvctrld_task = kthread_run(kenvctrld, NULL, "kenvctrld");
if (IS_ERR(kenvctrld_task)) {
err = PTR_ERR(kenvctrld_task);
goto out_deregister;
}
return 0;
@ -1133,37 +1132,13 @@ out_iounmap:
kfree(i2c_childlist[i].tables);
}
return err;
#else
return -ENODEV;
#endif
}
static void __exit envctrl_cleanup(void)
{
int i;
if (NULL != kenvctrld_task) {
force_sig(SIGKILL, kenvctrld_task);
for (;;) {
struct task_struct *p;
int found = 0;
read_lock(&tasklist_lock);
for_each_process(p) {
if (p == kenvctrld_task) {
found = 1;
break;
}
}
read_unlock(&tasklist_lock);
if (!found)
break;
msleep(1000);
}
kenvctrld_task = NULL;
}
kthread_stop(kenvctrld_task);
iounmap(i2c);
misc_deregister(&envctrl_dev);