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authorZhang Rui <rui.zhang@intel.com>2010-07-15 04:46:33 +0200
committerLen Brown <len.brown@intel.com>2010-08-15 06:27:51 +0200
commit47f5c892b06797336a34f1096b4b617623aa1960 (patch)
tree31613e2031b8b5ac40b48dc5f8d673c8dbe5ead6 /drivers/acpi/proc.c
parentACPI: introduce drivers/acpi/sysfs.c (diff)
downloadlinux-47f5c892b06797336a34f1096b4b617623aa1960.tar.xz
linux-47f5c892b06797336a34f1096b4b617623aa1960.zip
ACPI: remove deprecated ACPI procfs I/F
Rmove deprecated ACPI procfs I/F, including /proc/acpi/debug_layer /proc/acpi/debug_level /proc/acpi/info /proc/acpi/dsdt /proc/acpi/fadt /proc/acpi/sleep because the sysfs I/F is already available and has been working well for years. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/proc.c')
-rw-r--r--drivers/acpi/proc.c70
1 files changed, 0 insertions, 70 deletions
diff --git a/drivers/acpi/proc.c b/drivers/acpi/proc.c
index 1ac678d2c51c..afad67769db6 100644
--- a/drivers/acpi/proc.c
+++ b/drivers/acpi/proc.c
@@ -17,64 +17,11 @@
/*
* this file provides support for:
- * /proc/acpi/sleep
* /proc/acpi/alarm
* /proc/acpi/wakeup
*/
ACPI_MODULE_NAME("sleep")
-#ifdef CONFIG_ACPI_PROCFS
-static int acpi_system_sleep_seq_show(struct seq_file *seq, void *offset)
-{
- int i;
-
- for (i = 0; i <= ACPI_STATE_S5; i++) {
- if (sleep_states[i]) {
- seq_printf(seq, "S%d ", i);
- }
- }
-
- seq_puts(seq, "\n");
-
- return 0;
-}
-
-static int acpi_system_sleep_open_fs(struct inode *inode, struct file *file)
-{
- return single_open(file, acpi_system_sleep_seq_show, PDE(inode)->data);
-}
-
-static ssize_t
-acpi_system_write_sleep(struct file *file,
- const char __user * buffer, size_t count, loff_t * ppos)
-{
- char str[12];
- u32 state = 0;
- int error = 0;
-
- if (count > sizeof(str) - 1)
- goto Done;
- memset(str, 0, sizeof(str));
- if (copy_from_user(str, buffer, count))
- return -EFAULT;
-
- /* Check for S4 bios request */
- if (!strcmp(str, "4b")) {
- error = acpi_suspend(4);
- goto Done;
- }
- state = simple_strtoul(str, NULL, 0);
-#ifdef CONFIG_HIBERNATION
- if (state == 4) {
- error = hibernate();
- goto Done;
- }
-#endif
- error = acpi_suspend(state);
- Done:
- return error ? error : count;
-}
-#endif /* CONFIG_ACPI_PROCFS */
#if defined(CONFIG_RTC_DRV_CMOS) || defined(CONFIG_RTC_DRV_CMOS_MODULE) || !defined(CONFIG_X86)
/* use /sys/class/rtc/rtcX/wakealarm instead; it's not ACPI-specific */
@@ -463,17 +410,6 @@ static const struct file_operations acpi_system_wakeup_device_fops = {
.release = single_release,
};
-#ifdef CONFIG_ACPI_PROCFS
-static const struct file_operations acpi_system_sleep_fops = {
- .owner = THIS_MODULE,
- .open = acpi_system_sleep_open_fs,
- .read = seq_read,
- .write = acpi_system_write_sleep,
- .llseek = seq_lseek,
- .release = single_release,
-};
-#endif /* CONFIG_ACPI_PROCFS */
-
#ifdef HAVE_ACPI_LEGACY_ALARM
static const struct file_operations acpi_system_alarm_fops = {
.owner = THIS_MODULE,
@@ -495,12 +431,6 @@ static u32 rtc_handler(void *context)
int __init acpi_sleep_proc_init(void)
{
-#ifdef CONFIG_ACPI_PROCFS
- /* 'sleep' [R/W] */
- proc_create("sleep", S_IFREG | S_IRUGO | S_IWUSR,
- acpi_root_dir, &acpi_system_sleep_fops);
-#endif /* CONFIG_ACPI_PROCFS */
-
#ifdef HAVE_ACPI_LEGACY_ALARM
/* 'alarm' [R/W] */
proc_create("alarm", S_IFREG | S_IRUGO | S_IWUSR,