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>
This commit is contained in:
Zhang Rui
Len Brown
parent
1c8fce27e2
commit
47f5c892b0
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@ -54,12 +54,6 @@ config ACPI_PROCFS
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they have been replaced by functions in /sys.
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The deprecated files (and their replacements) include:
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/proc/acpi/sleep (/sys/power/state)
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/proc/acpi/info (/sys/module/acpi/parameters/acpica_version)
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/proc/acpi/dsdt (/sys/firmware/acpi/tables/DSDT)
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/proc/acpi/fadt (/sys/firmware/acpi/tables/FACP)
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/proc/acpi/debug_layer (/sys/module/acpi/parameters/debug_layer)
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/proc/acpi/debug_level (/sys/module/acpi/parameters/debug_level)
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/proc/acpi/processor/*/power (/sys/devices/system/cpu/*/cpuidle/*)
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/proc/acpi/processor/*/performance (/sys/devices/system/cpu/*/
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cpufreq/*)
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@ -37,9 +37,8 @@ acpi-y += ec.o
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acpi-$(CONFIG_ACPI_DOCK) += dock.o
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acpi-y += pci_root.o pci_link.o pci_irq.o pci_bind.o
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acpi-y += power.o
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acpi-y += system.o event.o
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acpi-y += event.o
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acpi-y += sysfs.o
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acpi-$(CONFIG_ACPI_DEBUG) += debug.o
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acpi-$(CONFIG_DEBUG_FS) += debugfs.o
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acpi-$(CONFIG_ACPI_NUMA) += numa.o
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acpi-$(CONFIG_ACPI_PROCFS_POWER) += cm_sbs.o
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@ -1034,8 +1034,6 @@ static int __init acpi_init(void)
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acpi_scan_init();
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acpi_ec_init();
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acpi_power_init();
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acpi_system_init();
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acpi_debug_init();
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acpi_sysfs_init();
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acpi_debugfs_init();
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acpi_sleep_proc_init();
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@ -1,227 +0,0 @@
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/*
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* debug.c - ACPI debug interface to userspace.
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*/
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#include <linux/proc_fs.h>
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#include <linux/seq_file.h>
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/moduleparam.h>
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#include <linux/debugfs.h>
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#include <linux/slab.h>
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#include <asm/uaccess.h>
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#include <acpi/acpi_drivers.h>
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#define _COMPONENT ACPI_SYSTEM_COMPONENT
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ACPI_MODULE_NAME("debug");
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struct acpi_dlayer {
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const char *name;
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unsigned long value;
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};
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struct acpi_dlevel {
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const char *name;
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unsigned long value;
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};
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#define ACPI_DEBUG_INIT(v) { .name = #v, .value = v }
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static const struct acpi_dlayer acpi_debug_layers[] = {
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ACPI_DEBUG_INIT(ACPI_UTILITIES),
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ACPI_DEBUG_INIT(ACPI_HARDWARE),
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ACPI_DEBUG_INIT(ACPI_EVENTS),
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ACPI_DEBUG_INIT(ACPI_TABLES),
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ACPI_DEBUG_INIT(ACPI_NAMESPACE),
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ACPI_DEBUG_INIT(ACPI_PARSER),
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ACPI_DEBUG_INIT(ACPI_DISPATCHER),
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ACPI_DEBUG_INIT(ACPI_EXECUTER),
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ACPI_DEBUG_INIT(ACPI_RESOURCES),
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ACPI_DEBUG_INIT(ACPI_CA_DEBUGGER),
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ACPI_DEBUG_INIT(ACPI_OS_SERVICES),
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ACPI_DEBUG_INIT(ACPI_CA_DISASSEMBLER),
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ACPI_DEBUG_INIT(ACPI_COMPILER),
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ACPI_DEBUG_INIT(ACPI_TOOLS),
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ACPI_DEBUG_INIT(ACPI_BUS_COMPONENT),
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ACPI_DEBUG_INIT(ACPI_AC_COMPONENT),
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ACPI_DEBUG_INIT(ACPI_BATTERY_COMPONENT),
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ACPI_DEBUG_INIT(ACPI_BUTTON_COMPONENT),
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ACPI_DEBUG_INIT(ACPI_SBS_COMPONENT),
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ACPI_DEBUG_INIT(ACPI_FAN_COMPONENT),
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ACPI_DEBUG_INIT(ACPI_PCI_COMPONENT),
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ACPI_DEBUG_INIT(ACPI_POWER_COMPONENT),
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ACPI_DEBUG_INIT(ACPI_CONTAINER_COMPONENT),
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ACPI_DEBUG_INIT(ACPI_SYSTEM_COMPONENT),
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ACPI_DEBUG_INIT(ACPI_THERMAL_COMPONENT),
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ACPI_DEBUG_INIT(ACPI_MEMORY_DEVICE_COMPONENT),
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ACPI_DEBUG_INIT(ACPI_VIDEO_COMPONENT),
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ACPI_DEBUG_INIT(ACPI_PROCESSOR_COMPONENT),
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};
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static const struct acpi_dlevel acpi_debug_levels[] = {
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ACPI_DEBUG_INIT(ACPI_LV_INIT),
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ACPI_DEBUG_INIT(ACPI_LV_DEBUG_OBJECT),
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ACPI_DEBUG_INIT(ACPI_LV_INFO),
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ACPI_DEBUG_INIT(ACPI_LV_INIT_NAMES),
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ACPI_DEBUG_INIT(ACPI_LV_PARSE),
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ACPI_DEBUG_INIT(ACPI_LV_LOAD),
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ACPI_DEBUG_INIT(ACPI_LV_DISPATCH),
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ACPI_DEBUG_INIT(ACPI_LV_EXEC),
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ACPI_DEBUG_INIT(ACPI_LV_NAMES),
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ACPI_DEBUG_INIT(ACPI_LV_OPREGION),
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ACPI_DEBUG_INIT(ACPI_LV_BFIELD),
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ACPI_DEBUG_INIT(ACPI_LV_TABLES),
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ACPI_DEBUG_INIT(ACPI_LV_VALUES),
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ACPI_DEBUG_INIT(ACPI_LV_OBJECTS),
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ACPI_DEBUG_INIT(ACPI_LV_RESOURCES),
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ACPI_DEBUG_INIT(ACPI_LV_USER_REQUESTS),
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ACPI_DEBUG_INIT(ACPI_LV_PACKAGE),
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ACPI_DEBUG_INIT(ACPI_LV_ALLOCATIONS),
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ACPI_DEBUG_INIT(ACPI_LV_FUNCTIONS),
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ACPI_DEBUG_INIT(ACPI_LV_OPTIMIZATIONS),
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ACPI_DEBUG_INIT(ACPI_LV_MUTEX),
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ACPI_DEBUG_INIT(ACPI_LV_THREADS),
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ACPI_DEBUG_INIT(ACPI_LV_IO),
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ACPI_DEBUG_INIT(ACPI_LV_INTERRUPTS),
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ACPI_DEBUG_INIT(ACPI_LV_AML_DISASSEMBLE),
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ACPI_DEBUG_INIT(ACPI_LV_VERBOSE_INFO),
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ACPI_DEBUG_INIT(ACPI_LV_FULL_TABLES),
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ACPI_DEBUG_INIT(ACPI_LV_EVENTS),
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};
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/* --------------------------------------------------------------------------
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FS Interface (/proc)
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-------------------------------------------------------------------------- */
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#ifdef CONFIG_ACPI_PROCFS
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#define ACPI_SYSTEM_FILE_DEBUG_LAYER "debug_layer"
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#define ACPI_SYSTEM_FILE_DEBUG_LEVEL "debug_level"
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static int acpi_system_debug_proc_show(struct seq_file *m, void *v)
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{
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unsigned int i;
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seq_printf(m, "%-25s\tHex SET\n", "Description");
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switch ((unsigned long)m->private) {
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case 0:
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for (i = 0; i < ARRAY_SIZE(acpi_debug_layers); i++) {
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seq_printf(m, "%-25s\t0x%08lX [%c]\n",
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acpi_debug_layers[i].name,
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acpi_debug_layers[i].value,
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(acpi_dbg_layer & acpi_debug_layers[i].
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value) ? '*' : ' ');
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}
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seq_printf(m, "%-25s\t0x%08X [%c]\n", "ACPI_ALL_DRIVERS",
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ACPI_ALL_DRIVERS,
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(acpi_dbg_layer & ACPI_ALL_DRIVERS) ==
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ACPI_ALL_DRIVERS ? '*' : (acpi_dbg_layer &
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ACPI_ALL_DRIVERS) ==
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0 ? ' ' : '-');
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seq_printf(m,
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"--\ndebug_layer = 0x%08X (* = enabled, - = partial)\n",
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acpi_dbg_layer);
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break;
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case 1:
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for (i = 0; i < ARRAY_SIZE(acpi_debug_levels); i++) {
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seq_printf(m, "%-25s\t0x%08lX [%c]\n",
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acpi_debug_levels[i].name,
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acpi_debug_levels[i].value,
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(acpi_dbg_level & acpi_debug_levels[i].
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value) ? '*' : ' ');
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}
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seq_printf(m, "--\ndebug_level = 0x%08X (* = enabled)\n",
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acpi_dbg_level);
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break;
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}
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return 0;
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}
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static int acpi_system_debug_proc_open(struct inode *inode, struct file *file)
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{
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return single_open(file, acpi_system_debug_proc_show, PDE(inode)->data);
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}
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static ssize_t acpi_system_debug_proc_write(struct file *file,
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const char __user * buffer,
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size_t count, loff_t *pos)
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{
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char debug_string[12] = { '\0' };
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if (count > sizeof(debug_string) - 1)
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return -EINVAL;
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if (copy_from_user(debug_string, buffer, count))
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return -EFAULT;
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debug_string[count] = '\0';
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switch ((unsigned long)PDE(file->f_path.dentry->d_inode)->data) {
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case 0:
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acpi_dbg_layer = simple_strtoul(debug_string, NULL, 0);
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break;
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case 1:
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acpi_dbg_level = simple_strtoul(debug_string, NULL, 0);
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break;
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default:
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return -EINVAL;
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}
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return count;
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}
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static const struct file_operations acpi_system_debug_proc_fops = {
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.owner = THIS_MODULE,
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.open = acpi_system_debug_proc_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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.write = acpi_system_debug_proc_write,
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};
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#endif
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int __init acpi_procfs_init(void)
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{
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#ifdef CONFIG_ACPI_PROCFS
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struct proc_dir_entry *entry;
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int error = 0;
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char *name;
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/* 'debug_layer' [R/W] */
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name = ACPI_SYSTEM_FILE_DEBUG_LAYER;
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entry = proc_create_data(name, S_IFREG | S_IRUGO | S_IWUSR,
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acpi_root_dir, &acpi_system_debug_proc_fops,
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(void *)0);
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if (!entry)
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goto Error;
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/* 'debug_level' [R/W] */
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name = ACPI_SYSTEM_FILE_DEBUG_LEVEL;
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entry = proc_create_data(name, S_IFREG | S_IRUGO | S_IWUSR,
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acpi_root_dir, &acpi_system_debug_proc_fops,
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(void *)1);
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if (!entry)
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goto Error;
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Done:
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return error;
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Error:
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remove_proc_entry(ACPI_SYSTEM_FILE_DEBUG_LEVEL, acpi_root_dir);
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remove_proc_entry(ACPI_SYSTEM_FILE_DEBUG_LAYER, acpi_root_dir);
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error = -ENODEV;
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goto Done;
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#else
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return 0;
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#endif
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}
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int __init acpi_debug_init(void)
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{
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acpi_procfs_init();
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return 0;
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}
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@ -22,15 +22,8 @@
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int init_acpi_device_notify(void);
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int acpi_scan_init(void);
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int acpi_system_init(void);
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int acpi_sysfs_init(void);
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#ifdef CONFIG_ACPI_DEBUG
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int acpi_debug_init(void);
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#else
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static inline int acpi_debug_init(void) { return 0; }
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#endif
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#ifdef CONFIG_DEBUG_FS
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int acpi_debugfs_init(void);
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#else
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@ -17,64 +17,11 @@
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/*
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* this file provides support for:
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* /proc/acpi/sleep
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* /proc/acpi/alarm
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* /proc/acpi/wakeup
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*/
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ACPI_MODULE_NAME("sleep")
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#ifdef CONFIG_ACPI_PROCFS
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static int acpi_system_sleep_seq_show(struct seq_file *seq, void *offset)
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{
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int i;
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for (i = 0; i <= ACPI_STATE_S5; i++) {
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if (sleep_states[i]) {
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seq_printf(seq, "S%d ", i);
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}
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}
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seq_puts(seq, "\n");
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return 0;
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}
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static int acpi_system_sleep_open_fs(struct inode *inode, struct file *file)
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{
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return single_open(file, acpi_system_sleep_seq_show, PDE(inode)->data);
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}
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static ssize_t
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acpi_system_write_sleep(struct file *file,
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const char __user * buffer, size_t count, loff_t * ppos)
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{
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char str[12];
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u32 state = 0;
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int error = 0;
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if (count > sizeof(str) - 1)
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goto Done;
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memset(str, 0, sizeof(str));
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if (copy_from_user(str, buffer, count))
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return -EFAULT;
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/* Check for S4 bios request */
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if (!strcmp(str, "4b")) {
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error = acpi_suspend(4);
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goto Done;
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}
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state = simple_strtoul(str, NULL, 0);
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#ifdef CONFIG_HIBERNATION
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if (state == 4) {
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error = hibernate();
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goto Done;
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}
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#endif
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error = acpi_suspend(state);
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Done:
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return error ? error : count;
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}
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#endif /* CONFIG_ACPI_PROCFS */
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#if defined(CONFIG_RTC_DRV_CMOS) || defined(CONFIG_RTC_DRV_CMOS_MODULE) || !defined(CONFIG_X86)
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/* use /sys/class/rtc/rtcX/wakealarm instead; it's not ACPI-specific */
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@ -463,17 +410,6 @@ static const struct file_operations acpi_system_wakeup_device_fops = {
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.release = single_release,
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};
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#ifdef CONFIG_ACPI_PROCFS
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static const struct file_operations acpi_system_sleep_fops = {
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.owner = THIS_MODULE,
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.open = acpi_system_sleep_open_fs,
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.read = seq_read,
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.write = acpi_system_write_sleep,
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.llseek = seq_lseek,
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.release = single_release,
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};
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#endif /* CONFIG_ACPI_PROCFS */
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#ifdef HAVE_ACPI_LEGACY_ALARM
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static const struct file_operations acpi_system_alarm_fops = {
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.owner = THIS_MODULE,
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@ -495,12 +431,6 @@ static u32 rtc_handler(void *context)
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int __init acpi_sleep_proc_init(void)
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{
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#ifdef CONFIG_ACPI_PROCFS
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/* 'sleep' [R/W] */
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proc_create("sleep", S_IFREG | S_IRUGO | S_IWUSR,
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acpi_root_dir, &acpi_system_sleep_fops);
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#endif /* CONFIG_ACPI_PROCFS */
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#ifdef HAVE_ACPI_LEGACY_ALARM
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/* 'alarm' [R/W] */
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proc_create("alarm", S_IFREG | S_IRUGO | S_IWUSR,
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@ -1,170 +0,0 @@
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/*
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* acpi_system.c - ACPI System Driver ($Revision: 63 $)
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*
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* Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com>
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* Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
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*
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* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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*
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* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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*/
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#include <linux/proc_fs.h>
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#include <linux/seq_file.h>
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#include <linux/slab.h>
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#include <linux/init.h>
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#include <linux/string.h>
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#include <asm/uaccess.h>
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#include <acpi/acpi_drivers.h>
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#define PREFIX "ACPI: "
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#define _COMPONENT ACPI_SYSTEM_COMPONENT
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ACPI_MODULE_NAME("system");
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#define ACPI_SYSTEM_CLASS "system"
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#define ACPI_SYSTEM_DEVICE_NAME "System"
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/* --------------------------------------------------------------------------
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FS Interface (/proc)
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-------------------------------------------------------------------------- */
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#ifdef CONFIG_ACPI_PROCFS
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#define ACPI_SYSTEM_FILE_INFO "info"
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#define ACPI_SYSTEM_FILE_EVENT "event"
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#define ACPI_SYSTEM_FILE_DSDT "dsdt"
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#define ACPI_SYSTEM_FILE_FADT "fadt"
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static int acpi_system_read_info(struct seq_file *seq, void *offset)
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{
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seq_printf(seq, "version: %x\n", ACPI_CA_VERSION);
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return 0;
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}
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|
||||
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;
|
||||
}
|
||||
Loading…
Reference in New Issue