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path: root/drivers/acpi/event.c
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Diffstat (limited to 'drivers/acpi/event.c')
-rw-r--r--drivers/acpi/event.c106
1 files changed, 0 insertions, 106 deletions
diff --git a/drivers/acpi/event.c b/drivers/acpi/event.c
index 1442737cede..8247fcdde07 100644
--- a/drivers/acpi/event.c
+++ b/drivers/acpi/event.c
@@ -21,100 +21,6 @@
#define _COMPONENT ACPI_SYSTEM_COMPONENT
ACPI_MODULE_NAME("event");
-#ifdef CONFIG_ACPI_PROC_EVENT
-/* Global vars for handling event proc entry */
-static DEFINE_SPINLOCK(acpi_system_event_lock);
-int event_is_open = 0;
-extern struct list_head acpi_bus_event_list;
-extern wait_queue_head_t acpi_bus_event_queue;
-
-static int acpi_system_open_event(struct inode *inode, struct file *file)
-{
- spin_lock_irq(&acpi_system_event_lock);
-
- if (event_is_open)
- goto out_busy;
-
- event_is_open = 1;
-
- spin_unlock_irq(&acpi_system_event_lock);
- return 0;
-
- out_busy:
- spin_unlock_irq(&acpi_system_event_lock);
- return -EBUSY;
-}
-
-static ssize_t
-acpi_system_read_event(struct file *file, char __user * buffer, size_t count,
- loff_t * ppos)
-{
- int result = 0;
- struct acpi_bus_event event;
- static char str[ACPI_MAX_STRING];
- static int chars_remaining = 0;
- static char *ptr;
-
- if (!chars_remaining) {
- memset(&event, 0, sizeof(struct acpi_bus_event));
-
- if ((file->f_flags & O_NONBLOCK)
- && (list_empty(&acpi_bus_event_list)))
- return -EAGAIN;
-
- result = acpi_bus_receive_event(&event);
- if (result)
- return result;
-
- chars_remaining = sprintf(str, "%s %s %08x %08x\n",
- event.device_class ? event.
- device_class : "<unknown>",
- event.bus_id ? event.
- bus_id : "<unknown>", event.type,
- event.data);
- ptr = str;
- }
-
- if (chars_remaining < count) {
- count = chars_remaining;
- }
-
- if (copy_to_user(buffer, ptr, count))
- return -EFAULT;
-
- *ppos += count;
- chars_remaining -= count;
- ptr += count;
-
- return count;
-}
-
-static int acpi_system_close_event(struct inode *inode, struct file *file)
-{
- spin_lock_irq(&acpi_system_event_lock);
- event_is_open = 0;
- spin_unlock_irq(&acpi_system_event_lock);
- return 0;
-}
-
-static unsigned int acpi_system_poll_event(struct file *file, poll_table * wait)
-{
- poll_wait(file, &acpi_bus_event_queue, wait);
- if (!list_empty(&acpi_bus_event_list))
- return POLLIN | POLLRDNORM;
- return 0;
-}
-
-static const struct file_operations acpi_system_event_ops = {
- .owner = THIS_MODULE,
- .open = acpi_system_open_event,
- .read = acpi_system_read_event,
- .release = acpi_system_close_event,
- .poll = acpi_system_poll_event,
- .llseek = default_llseek,
-};
-#endif /* CONFIG_ACPI_PROC_EVENT */
-
/* ACPI notifier chain */
static BLOCKING_NOTIFIER_HEAD(acpi_chain_head);
@@ -280,9 +186,6 @@ static int acpi_event_genetlink_init(void)
static int __init acpi_event_init(void)
{
-#ifdef CONFIG_ACPI_PROC_EVENT
- struct proc_dir_entry *entry;
-#endif
int error = 0;
if (acpi_disabled)
@@ -293,15 +196,6 @@ static int __init acpi_event_init(void)
if (error)
printk(KERN_WARNING PREFIX
"Failed to create genetlink family for ACPI event\n");
-
-#ifdef CONFIG_ACPI_PROC_EVENT
- /* 'event' [R] */
- entry = proc_create("event", S_IRUSR, acpi_root_dir,
- &acpi_system_event_ops);
- if (!entry)
- return -ENODEV;
-#endif
-
return 0;
}