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author | Thomas Gleixner <tglx@mtd.linutronix.de> | 2005-11-06 15:36:37 +0100 |
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committer | Thomas Gleixner <tglx@mtd.linutronix.de> | 2005-11-06 15:36:37 +0100 |
commit | 2fc2991175bf77395e6b15fe6b2304d3bf72da40 (patch) | |
tree | b0ff38c09240e7c00e1577d447ebe89143d752dc /drivers/sbus/char/envctrl.c | |
parent | [MTD] mtdchar: Return EINVAL for bad seeks instead of fixing up to valid byte (diff) | |
parent | [PATCH] nvidiafb: Geforce 7800 series support added (diff) | |
download | linux-dev-2fc2991175bf77395e6b15fe6b2304d3bf72da40.tar.xz linux-dev-2fc2991175bf77395e6b15fe6b2304d3bf72da40.zip |
Merge branch 'master' of /home/tglx/work/mtd/git/linux-2.6.git/
Diffstat (limited to 'drivers/sbus/char/envctrl.c')
-rw-r--r-- | drivers/sbus/char/envctrl.c | 49 |
1 files changed, 11 insertions, 38 deletions
diff --git a/drivers/sbus/char/envctrl.c b/drivers/sbus/char/envctrl.c index 9a8c572554f5..b0cc3c2588fd 100644 --- a/drivers/sbus/char/envctrl.c +++ b/drivers/sbus/char/envctrl.c @@ -20,10 +20,12 @@ */ #define __KERNEL_SYSCALLS__ +static int errno; #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> @@ -37,9 +39,6 @@ #include <asm/uaccess.h> #include <asm/envctrl.h> -static int errno; -#include <asm/unistd.h> - #define ENVCTRL_MINOR 162 #define PCF8584_ADDRESS 0x55 @@ -1010,16 +1009,13 @@ 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 +1037,6 @@ 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 +1113,11 @@ 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 +1130,13 @@ 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); |