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ACPI: remove deprecated ACPI procfs I/F

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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>
This commit is contained in:
Zhang Rui 2010-07-15 10:46:33 +08:00 committed by Len Brown
parent 1c8fce27e2
commit 47f5c892b0
7 changed files with 1 additions and 484 deletions
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6
drivers/acpi/Kconfig
View file

@ -54,12 +54,6 @@ config ACPI_PROCFS
they have been replaced by functions in /sys.
The deprecated files (and their replacements) include:
/proc/acpi/sleep (/sys/power/state)
/proc/acpi/info (/sys/module/acpi/parameters/acpica_version)
/proc/acpi/dsdt (/sys/firmware/acpi/tables/DSDT)
/proc/acpi/fadt (/sys/firmware/acpi/tables/FACP)
/proc/acpi/debug_layer (/sys/module/acpi/parameters/debug_layer)
/proc/acpi/debug_level (/sys/module/acpi/parameters/debug_level)
/proc/acpi/processor/*/power (/sys/devices/system/cpu/*/cpuidle/*)
/proc/acpi/processor/*/performance (/sys/devices/system/cpu/*/
cpufreq/*)

3
drivers/acpi/Makefile
View file

@ -37,9 +37,8 @@ acpi-y += ec.o
acpi-$(CONFIG_ACPI_DOCK) += dock.o
acpi-y += pci_root.o pci_link.o pci_irq.o pci_bind.o
acpi-y += power.o
acpi-y += system.o event.o
acpi-y += event.o
acpi-y += sysfs.o
acpi-$(CONFIG_ACPI_DEBUG) += debug.o
acpi-$(CONFIG_DEBUG_FS) += debugfs.o
acpi-$(CONFIG_ACPI_NUMA) += numa.o
acpi-$(CONFIG_ACPI_PROCFS_POWER) += cm_sbs.o

2
drivers/acpi/bus.c
View file

@ -1034,8 +1034,6 @@ static int __init acpi_init(void)
acpi_scan_init();
acpi_ec_init();
acpi_power_init();
acpi_system_init();
acpi_debug_init();
acpi_sysfs_init();
acpi_debugfs_init();
acpi_sleep_proc_init();

227
drivers/acpi/debug.c
View file

@ -1,227 +0,0 @@
/*
* debug.c - ACPI debug interface to userspace.
*/
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/moduleparam.h>
#include <linux/debugfs.h>
#include <linux/slab.h>
#include <asm/uaccess.h>
#include <acpi/acpi_drivers.h>
#define _COMPONENT ACPI_SYSTEM_COMPONENT
ACPI_MODULE_NAME("debug");
struct acpi_dlayer {
const char *name;
unsigned long value;
};
struct acpi_dlevel {
const char *name;
unsigned long value;
};
#define ACPI_DEBUG_INIT(v) { .name = #v, .value = v }
static const struct acpi_dlayer acpi_debug_layers[] = {
ACPI_DEBUG_INIT(ACPI_UTILITIES),
ACPI_DEBUG_INIT(ACPI_HARDWARE),
ACPI_DEBUG_INIT(ACPI_EVENTS),
ACPI_DEBUG_INIT(ACPI_TABLES),
ACPI_DEBUG_INIT(ACPI_NAMESPACE),
ACPI_DEBUG_INIT(ACPI_PARSER),
ACPI_DEBUG_INIT(ACPI_DISPATCHER),
ACPI_DEBUG_INIT(ACPI_EXECUTER),
ACPI_DEBUG_INIT(ACPI_RESOURCES),
ACPI_DEBUG_INIT(ACPI_CA_DEBUGGER),
ACPI_DEBUG_INIT(ACPI_OS_SERVICES),
ACPI_DEBUG_INIT(ACPI_CA_DISASSEMBLER),
ACPI_DEBUG_INIT(ACPI_COMPILER),
ACPI_DEBUG_INIT(ACPI_TOOLS),
ACPI_DEBUG_INIT(ACPI_BUS_COMPONENT),
ACPI_DEBUG_INIT(ACPI_AC_COMPONENT),
ACPI_DEBUG_INIT(ACPI_BATTERY_COMPONENT),
ACPI_DEBUG_INIT(ACPI_BUTTON_COMPONENT),
ACPI_DEBUG_INIT(ACPI_SBS_COMPONENT),
ACPI_DEBUG_INIT(ACPI_FAN_COMPONENT),
ACPI_DEBUG_INIT(ACPI_PCI_COMPONENT),
ACPI_DEBUG_INIT(ACPI_POWER_COMPONENT),
ACPI_DEBUG_INIT(ACPI_CONTAINER_COMPONENT),
ACPI_DEBUG_INIT(ACPI_SYSTEM_COMPONENT),
ACPI_DEBUG_INIT(ACPI_THERMAL_COMPONENT),
ACPI_DEBUG_INIT(ACPI_MEMORY_DEVICE_COMPONENT),
ACPI_DEBUG_INIT(ACPI_VIDEO_COMPONENT),
ACPI_DEBUG_INIT(ACPI_PROCESSOR_COMPONENT),
};
static const struct acpi_dlevel acpi_debug_levels[] = {
ACPI_DEBUG_INIT(ACPI_LV_INIT),
ACPI_DEBUG_INIT(ACPI_LV_DEBUG_OBJECT),
ACPI_DEBUG_INIT(ACPI_LV_INFO),
ACPI_DEBUG_INIT(ACPI_LV_INIT_NAMES),
ACPI_DEBUG_INIT(ACPI_LV_PARSE),
ACPI_DEBUG_INIT(ACPI_LV_LOAD),
ACPI_DEBUG_INIT(ACPI_LV_DISPATCH),
ACPI_DEBUG_INIT(ACPI_LV_EXEC),
ACPI_DEBUG_INIT(ACPI_LV_NAMES),
ACPI_DEBUG_INIT(ACPI_LV_OPREGION),
ACPI_DEBUG_INIT(ACPI_LV_BFIELD),
ACPI_DEBUG_INIT(ACPI_LV_TABLES),
ACPI_DEBUG_INIT(ACPI_LV_VALUES),
ACPI_DEBUG_INIT(ACPI_LV_OBJECTS),
ACPI_DEBUG_INIT(ACPI_LV_RESOURCES),
ACPI_DEBUG_INIT(ACPI_LV_USER_REQUESTS),
ACPI_DEBUG_INIT(ACPI_LV_PACKAGE),
ACPI_DEBUG_INIT(ACPI_LV_ALLOCATIONS),
ACPI_DEBUG_INIT(ACPI_LV_FUNCTIONS),
ACPI_DEBUG_INIT(ACPI_LV_OPTIMIZATIONS),
ACPI_DEBUG_INIT(ACPI_LV_MUTEX),
ACPI_DEBUG_INIT(ACPI_LV_THREADS),
ACPI_DEBUG_INIT(ACPI_LV_IO),
ACPI_DEBUG_INIT(ACPI_LV_INTERRUPTS),
ACPI_DEBUG_INIT(ACPI_LV_AML_DISASSEMBLE),
ACPI_DEBUG_INIT(ACPI_LV_VERBOSE_INFO),
ACPI_DEBUG_INIT(ACPI_LV_FULL_TABLES),
ACPI_DEBUG_INIT(ACPI_LV_EVENTS),
};
/* --------------------------------------------------------------------------
FS Interface (/proc)
-------------------------------------------------------------------------- */
#ifdef CONFIG_ACPI_PROCFS
#define ACPI_SYSTEM_FILE_DEBUG_LAYER "debug_layer"
#define ACPI_SYSTEM_FILE_DEBUG_LEVEL "debug_level"
static int acpi_system_debug_proc_show(struct seq_file *m, void *v)
{
unsigned int i;
seq_printf(m, "%-25s\tHex SET\n", "Description");
switch ((unsigned long)m->private) {
case 0:
for (i = 0; i < ARRAY_SIZE(acpi_debug_layers); i++) {
seq_printf(m, "%-25s\t0x%08lX [%c]\n",
acpi_debug_layers[i].name,
acpi_debug_layers[i].value,
(acpi_dbg_layer & acpi_debug_layers[i].
value) ? '*' : ' ');
}
seq_printf(m, "%-25s\t0x%08X [%c]\n", "ACPI_ALL_DRIVERS",
ACPI_ALL_DRIVERS,
(acpi_dbg_layer & ACPI_ALL_DRIVERS) ==
ACPI_ALL_DRIVERS ? '*' : (acpi_dbg_layer &
ACPI_ALL_DRIVERS) ==
0 ? ' ' : '-');
seq_printf(m,
"--\ndebug_layer = 0x%08X (* = enabled, - = partial)\n",
acpi_dbg_layer);
break;
case 1:
for (i = 0; i < ARRAY_SIZE(acpi_debug_levels); i++) {
seq_printf(m, "%-25s\t0x%08lX [%c]\n",
acpi_debug_levels[i].name,
acpi_debug_levels[i].value,
(acpi_dbg_level & acpi_debug_levels[i].
value) ? '*' : ' ');
}
seq_printf(m, "--\ndebug_level = 0x%08X (* = enabled)\n",
acpi_dbg_level);
break;
}
return 0;
}
static int acpi_system_debug_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, acpi_system_debug_proc_show, PDE(inode)->data);
}
static ssize_t acpi_system_debug_proc_write(struct file *file,
const char __user * buffer,
size_t count, loff_t *pos)
{
char debug_string[12] = { '\0' };
if (count > sizeof(debug_string) - 1)
return -EINVAL;
if (copy_from_user(debug_string, buffer, count))
return -EFAULT;
debug_string[count] = '\0';
switch ((unsigned long)PDE(file->f_path.dentry->d_inode)->data) {
case 0:
acpi_dbg_layer = simple_strtoul(debug_string, NULL, 0);
break;
case 1:
acpi_dbg_level = simple_strtoul(debug_string, NULL, 0);
break;
default:
return -EINVAL;
}
return count;
}
static const struct file_operations acpi_system_debug_proc_fops = {
.owner = THIS_MODULE,
.open = acpi_system_debug_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
.write = acpi_system_debug_proc_write,
};
#endif
int __init acpi_procfs_init(void)
{
#ifdef CONFIG_ACPI_PROCFS
struct proc_dir_entry *entry;
int error = 0;
char *name;
/* 'debug_layer' [R/W] */
name = ACPI_SYSTEM_FILE_DEBUG_LAYER;
entry = proc_create_data(name, S_IFREG | S_IRUGO | S_IWUSR,
acpi_root_dir, &acpi_system_debug_proc_fops,
(void *)0);
if (!entry)
goto Error;
/* 'debug_level' [R/W] */
name = ACPI_SYSTEM_FILE_DEBUG_LEVEL;
entry = proc_create_data(name, S_IFREG | S_IRUGO | S_IWUSR,
acpi_root_dir, &acpi_system_debug_proc_fops,
(void *)1);
if (!entry)
goto Error;
Done:
return error;
Error:
remove_proc_entry(ACPI_SYSTEM_FILE_DEBUG_LEVEL, acpi_root_dir);
remove_proc_entry(ACPI_SYSTEM_FILE_DEBUG_LAYER, acpi_root_dir);
error = -ENODEV;
goto Done;
#else
return 0;
#endif
}
int __init acpi_debug_init(void)
{
acpi_procfs_init();
return 0;
}

7
drivers/acpi/internal.h
View file

@ -22,15 +22,8 @@
int init_acpi_device_notify(void);
int acpi_scan_init(void);
int acpi_system_init(void);
int acpi_sysfs_init(void);
#ifdef CONFIG_ACPI_DEBUG
int acpi_debug_init(void);
#else
static inline int acpi_debug_init(void) { return 0; }
#endif
#ifdef CONFIG_DEBUG_FS
int acpi_debugfs_init(void);
#else

70
drivers/acpi/proc.c
View file

@ -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,

170
drivers/acpi/system.c
View file

@ -1,170 +0,0 @@
/*
* acpi_system.c - ACPI System Driver ($Revision: 63 $)
*
* Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com>
* Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/string.h>
#include <asm/uaccess.h>
#include <acpi/acpi_drivers.h>
#define PREFIX "ACPI: "
#define _COMPONENT ACPI_SYSTEM_COMPONENT
ACPI_MODULE_NAME("system");
#define ACPI_SYSTEM_CLASS "system"
#define ACPI_SYSTEM_DEVICE_NAME "System"
/* --------------------------------------------------------------------------
FS Interface (/proc)
-------------------------------------------------------------------------- */
#ifdef CONFIG_ACPI_PROCFS
#define ACPI_SYSTEM_FILE_INFO "info"
#define ACPI_SYSTEM_FILE_EVENT "event"
#define ACPI_SYSTEM_FILE_DSDT "dsdt"
#define ACPI_SYSTEM_FILE_FADT "fadt"
static int acpi_system_read_info(struct seq_file *seq, void *offset)
{
seq_printf(seq, "version: %x\n", ACPI_CA_VERSION);
return 0;
}
static int acpi_system_info_open_fs(struct inode *inode, struct file *file)
{
return single_open(file, acpi_system_read_info, PDE(inode)->data);
}
static const struct file_operations acpi_system_info_ops = {
.owner = THIS_MODULE,
.open = acpi_system_info_open_fs,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static ssize_t acpi_system_read_dsdt(struct file *, char __user *, size_t,
loff_t *);
static const struct file_operations acpi_system_dsdt_ops = {
.owner = THIS_MODULE,
.read = acpi_system_read_dsdt,
};
static ssize_t
acpi_system_read_dsdt(struct file *file,
char __user * buffer, size_t count, loff_t * ppos)
{
acpi_status status = AE_OK;
struct acpi_table_header *dsdt = NULL;
ssize_t res;
status = acpi_get_table(ACPI_SIG_DSDT, 1, &dsdt);
if (ACPI_FAILURE(status))
return -ENODEV;
res = simple_read_from_buffer(buffer, count, ppos, dsdt, dsdt->length);
return res;
}
static ssize_t acpi_system_read_fadt(struct file *, char __user *, size_t,
loff_t *);
static const struct file_operations acpi_system_fadt_ops = {
.owner = THIS_MODULE,
.read = acpi_system_read_fadt,
};
static ssize_t
acpi_system_read_fadt(struct file *file,
char __user * buffer, size_t count, loff_t * ppos)
{
acpi_status status = AE_OK;
struct acpi_table_header *fadt = NULL;
ssize_t res;
status = acpi_get_table(ACPI_SIG_FADT, 1, &fadt);
if (ACPI_FAILURE(status))
return -ENODEV;
res = simple_read_from_buffer(buffer, count, ppos, fadt, fadt->length);
return res;
}
static int acpi_system_procfs_init(void)
{
struct proc_dir_entry *entry;
int error = 0;
/* 'info' [R] */
entry = proc_create(ACPI_SYSTEM_FILE_INFO, S_IRUGO, acpi_root_dir,
&acpi_system_info_ops);
if (!entry)
goto Error;
/* 'dsdt' [R] */
entry = proc_create(ACPI_SYSTEM_FILE_DSDT, S_IRUSR, acpi_root_dir,
&acpi_system_dsdt_ops);
if (!entry)
goto Error;
/* 'fadt' [R] */
entry = proc_create(ACPI_SYSTEM_FILE_FADT, S_IRUSR, acpi_root_dir,
&acpi_system_fadt_ops);
if (!entry)
goto Error;
Done:
return error;
Error:
remove_proc_entry(ACPI_SYSTEM_FILE_FADT, acpi_root_dir);
remove_proc_entry(ACPI_SYSTEM_FILE_DSDT, acpi_root_dir);
remove_proc_entry(ACPI_SYSTEM_FILE_INFO, acpi_root_dir);
error = -EFAULT;
goto Done;
}
#else
static int acpi_system_procfs_init(void)
{
return 0;
}
#endif
int __init acpi_system_init(void)
{
int result;
result = acpi_system_procfs_init();
return result;
}