diff options
Diffstat (limited to 'drivers/sbus/char')
| -rw-r--r-- | drivers/sbus/char/Kconfig | 39 | ||||
| -rw-r--r-- | drivers/sbus/char/aurora.c | 3 | ||||
| -rw-r--r-- | drivers/sbus/char/bbc_envctrl.c | 42 | ||||
| -rw-r--r-- | drivers/sbus/char/bpp.c | 3 | ||||
| -rw-r--r-- | drivers/sbus/char/display7seg.c | 2 | ||||
| -rw-r--r-- | drivers/sbus/char/envctrl.c | 49 | ||||
| -rw-r--r-- | drivers/sbus/char/vfc.h | 2 | ||||
| -rw-r--r-- | drivers/sbus/char/vfc_dev.c | 1 | ||||
| -rw-r--r-- | drivers/sbus/char/vfc_i2c.c | 18 |
9 files changed, 60 insertions, 99 deletions
diff --git a/drivers/sbus/char/Kconfig b/drivers/sbus/char/Kconfig index a41778a490d6..3a8152906bf6 100644 --- a/drivers/sbus/char/Kconfig +++ b/drivers/sbus/char/Kconfig @@ -69,11 +69,40 @@ config SUN_JSFLASH If you say Y here, you will be able to boot from your JavaStation's Flash memory. -# XXX Why don't we do "source drivers/char/Config.in" somewhere? -# no shit -config RTC - tristate "PC-style Real Time Clock Support" - depends on PCI && EXPERIMENTAL && SPARC32 +config BBC_I2C + tristate "UltraSPARC-III bootbus i2c controller driver" + depends on PCI && SPARC64 + help + The BBC devices on the UltraSPARC III have two I2C controllers. The + first I2C controller connects mainly to configuration PROMs (NVRAM, + CPU configuration, DIMM types, etc.). The second I2C controller + connects to environmental control devices such as fans and + temperature sensors. The second controller also connects to the + smartcard reader, if present. Say Y to enable support for these. + +config ENVCTRL + tristate "SUNW, envctrl support" + depends on PCI && SPARC64 + help + Kernel support for temperature and fan monitoring on Sun SME + machines. + + To compile this driver as a module, choose M here: the + module will be called envctrl. + +config DISPLAY7SEG + tristate "7-Segment Display support" + depends on PCI && SPARC64 + ---help--- + This is the driver for the 7-segment display and LED present on + Sun Microsystems CompactPCI models CP1400 and CP1500. + + To compile this driver as a module, choose M here: the + module will be called display7seg. + + If you do not have a CompactPCI model CP1400 or CP1500, or + another UltraSPARC-IIi-cEngine boardset with a 7-segment display, + you should say N to this option. endmenu diff --git a/drivers/sbus/char/aurora.c b/drivers/sbus/char/aurora.c index d96cc47de566..672f9f2b2163 100644 --- a/drivers/sbus/char/aurora.c +++ b/drivers/sbus/char/aurora.c @@ -871,8 +871,7 @@ static irqreturn_t aurora_interrupt(int irq, void * dev_id, struct pt_regs * reg #ifdef AURORA_INT_DEBUG static void aurora_timer (unsigned long ignored); -static struct timer_list aurora_poll_timer = - TIMER_INITIALIZER(aurora_timer, 0, 0); +static DEFINE_TIMER(aurora_poll_timer, aurora_timer, 0, 0); static void aurora_timer (unsigned long ignored) diff --git a/drivers/sbus/char/bbc_envctrl.c b/drivers/sbus/char/bbc_envctrl.c index b8a2c7353b0a..d89f83f769f5 100644 --- a/drivers/sbus/char/bbc_envctrl.c +++ b/drivers/sbus/char/bbc_envctrl.c @@ -5,15 +5,15 @@ */ #define __KERNEL_SYSCALLS__ +static int errno; #include <linux/kernel.h> +#include <linux/kthread.h> #include <linux/sched.h> #include <linux/slab.h> #include <linux/delay.h> #include <asm/oplib.h> #include <asm/ebus.h> -static int errno; -#include <asm/unistd.h> #include "bbc_i2c.h" #include "max1617.h" @@ -459,10 +459,6 @@ 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 +466,7 @@ 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 +573,6 @@ 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 +580,13 @@ 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 +606,7 @@ 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) { diff --git a/drivers/sbus/char/bpp.c b/drivers/sbus/char/bpp.c index 87302fb14885..ccb20a6f5f36 100644 --- a/drivers/sbus/char/bpp.c +++ b/drivers/sbus/char/bpp.c @@ -295,8 +295,7 @@ static unsigned short get_pins(unsigned minor) static void snooze(unsigned long snooze_time, unsigned minor) { - set_current_state(TASK_UNINTERRUPTIBLE); - schedule_timeout(snooze_time + 1); + schedule_timeout_uninterruptible(snooze_time + 1); } static int wait_for(unsigned short set, unsigned short clr, diff --git a/drivers/sbus/char/display7seg.c b/drivers/sbus/char/display7seg.c index dbad7f35eb0a..24ed5893b4f0 100644 --- a/drivers/sbus/char/display7seg.c +++ b/drivers/sbus/char/display7seg.c @@ -14,7 +14,7 @@ #include <linux/major.h> #include <linux/init.h> #include <linux/miscdevice.h> -#include <linux/ioport.h> /* request_region, check_region */ +#include <linux/ioport.h> /* request_region */ #include <asm/atomic.h> #include <asm/ebus.h> /* EBus device */ #include <asm/oplib.h> /* OpenProm Library */ 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); diff --git a/drivers/sbus/char/vfc.h b/drivers/sbus/char/vfc.h index e56a43af0f62..a7782e7da42e 100644 --- a/drivers/sbus/char/vfc.h +++ b/drivers/sbus/char/vfc.h @@ -129,8 +129,6 @@ struct vfc_dev { struct vfc_regs *phys_regs; unsigned int control_reg; struct semaphore device_lock_sem; - struct timer_list poll_timer; - wait_queue_head_t poll_wait; int instance; int busy; unsigned long which_io; diff --git a/drivers/sbus/char/vfc_dev.c b/drivers/sbus/char/vfc_dev.c index 86ce54130954..7a103698fa3c 100644 --- a/drivers/sbus/char/vfc_dev.c +++ b/drivers/sbus/char/vfc_dev.c @@ -137,7 +137,6 @@ int init_vfc_devstruct(struct vfc_dev *dev, int instance) dev->instance=instance; init_MUTEX(&dev->device_lock_sem); dev->control_reg=0; - init_waitqueue_head(&dev->poll_wait); dev->busy=0; return 0; } diff --git a/drivers/sbus/char/vfc_i2c.c b/drivers/sbus/char/vfc_i2c.c index 1faf1e75f71f..ceec30648f4f 100644 --- a/drivers/sbus/char/vfc_i2c.c +++ b/drivers/sbus/char/vfc_i2c.c @@ -79,25 +79,9 @@ int vfc_pcf8584_init(struct vfc_dev *dev) return 0; } -void vfc_i2c_delay_wakeup(struct vfc_dev *dev) -{ - /* Used to profile code and eliminate too many delays */ - VFC_I2C_DEBUG_PRINTK(("vfc%d: Delaying\n", dev->instance)); - wake_up(&dev->poll_wait); -} - void vfc_i2c_delay_no_busy(struct vfc_dev *dev, unsigned long usecs) { - DEFINE_WAIT(wait); - init_timer(&dev->poll_timer); - dev->poll_timer.expires = jiffies + usecs_to_jiffies(usecs); - dev->poll_timer.data=(unsigned long)dev; - dev->poll_timer.function=(void *)(unsigned long)vfc_i2c_delay_wakeup; - add_timer(&dev->poll_timer); - prepare_to_wait(&dev->poll_wait, &wait, TASK_UNINTERRUPTIBLE); - schedule(); - del_timer(&dev->poll_timer); - finish_wait(&dev->poll_wait, &wait); + schedule_timeout_uninterruptible(usecs_to_jiffies(usecs)); } void inline vfc_i2c_delay(struct vfc_dev *dev) |