diff options
Diffstat (limited to 'drivers')
29 files changed, 89 insertions, 1338 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 6efe2ac6902f..10e399f97189 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -56,23 +56,6 @@ config ACPI_PROCFS Say N to delete /proc/acpi/ files that have moved to /sys/ -config ACPI_PROCFS_POWER - bool "Deprecated power /proc/acpi directories" - depends on PROC_FS - help - For backwards compatibility, this option allows - deprecated power /proc/acpi/ directories to exist, even when - they have been replaced by functions in /sys. - The deprecated directories (and their replacements) include: - /proc/acpi/battery/* (/sys/class/power_supply/*) - /proc/acpi/ac_adapter/* (sys/class/power_supply/*) - This option has no effect on /proc/acpi/ directories - and functions, which do not yet exist in /sys - This option, together with the proc directories, will be - deleted in 2.6.39. - - Say N to delete power /proc/acpi/ directories that have moved to /sys/ - config ACPI_EC_DEBUGFS tristate "EC read/write access through /sys/kernel/debug/ec" default n diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile index cdaf68b58b00..a55fc06db4ae 100644 --- a/drivers/acpi/Makefile +++ b/drivers/acpi/Makefile @@ -47,7 +47,6 @@ acpi-y += sysfs.o acpi-$(CONFIG_X86) += acpi_cmos_rtc.o acpi-$(CONFIG_DEBUG_FS) += debugfs.o acpi-$(CONFIG_ACPI_NUMA) += numa.o -acpi-$(CONFIG_ACPI_PROCFS_POWER) += cm_sbs.o ifdef CONFIG_ACPI_VIDEO acpi-y += video_detect.o endif diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c index 999adb5499c7..c00a3a73409b 100644 --- a/drivers/acpi/acpi_memhotplug.c +++ b/drivers/acpi/acpi_memhotplug.c @@ -281,7 +281,7 @@ static void acpi_memory_remove_memory(struct acpi_memory_device *mem_device) if (!info->enabled) continue; - if (nid < 0) + if (nid == NUMA_NO_NODE) nid = memory_add_physaddr_to_nid(info->start_addr); acpi_unbind_memory_blocks(info, handle); diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c index f29e06efa479..357abdc1406a 100644 --- a/drivers/acpi/acpi_processor.c +++ b/drivers/acpi/acpi_processor.c @@ -219,6 +219,7 @@ static int acpi_processor_get_info(struct acpi_device *device) int cpu_index, device_declaration = 0; acpi_status status = AE_OK; static int cpu0_initialized; + unsigned long long value; if (num_online_cpus() > 1) errata.smp = TRUE; @@ -258,7 +259,6 @@ static int acpi_processor_get_info(struct acpi_device *device) * Declared with "Device" statement; match _UID. * Note that we don't handle string _UIDs yet. */ - unsigned long long value; status = acpi_evaluate_integer(pr->handle, METHOD_NAME__UID, NULL, &value); if (ACPI_FAILURE(status)) { @@ -332,9 +332,9 @@ static int acpi_processor_get_info(struct acpi_device *device) * ensure we get the right value in the "physical id" field * of /proc/cpuinfo */ - status = acpi_evaluate_object(pr->handle, "_SUN", NULL, &buffer); + status = acpi_evaluate_integer(pr->handle, "_SUN", NULL, &value); if (ACPI_SUCCESS(status)) - arch_fix_phys_package_id(pr->id, object.integer.value); + arch_fix_phys_package_id(pr->id, value); return 0; } diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index 2c9958cd7a43..fbf1aceda8b8 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -36,12 +36,6 @@ #include <linux/suspend.h> #include <asm/unaligned.h> -#ifdef CONFIG_ACPI_PROCFS_POWER -#include <linux/proc_fs.h> -#include <linux/seq_file.h> -#include <asm/uaccess.h> -#endif - #include <acpi/acpi_bus.h> #include <acpi/acpi_drivers.h> #include <linux/power_supply.h> @@ -72,19 +66,6 @@ static unsigned int cache_time = 1000; module_param(cache_time, uint, 0644); MODULE_PARM_DESC(cache_time, "cache time in milliseconds"); -#ifdef CONFIG_ACPI_PROCFS_POWER -extern struct proc_dir_entry *acpi_lock_battery_dir(void); -extern void *acpi_unlock_battery_dir(struct proc_dir_entry *acpi_battery_dir); - -enum acpi_battery_files { - info_tag = 0, - state_tag, - alarm_tag, - ACPI_BATTERY_NUMFILES, -}; - -#endif - static const struct acpi_device_id battery_device_ids[] = { {"PNP0C0A", 0}, {"", 0}, @@ -320,14 +301,6 @@ static enum power_supply_property energy_battery_props[] = { POWER_SUPPLY_PROP_SERIAL_NUMBER, }; -#ifdef CONFIG_ACPI_PROCFS_POWER -inline char *acpi_battery_units(struct acpi_battery *battery) -{ - return (battery->power_unit == ACPI_BATTERY_POWER_UNIT_MA) ? - "mA" : "mW"; -} -#endif - /* -------------------------------------------------------------------------- Battery Management -------------------------------------------------------------------------- */ @@ -741,279 +714,6 @@ static void acpi_battery_refresh(struct acpi_battery *battery) } /* -------------------------------------------------------------------------- - FS Interface (/proc) - -------------------------------------------------------------------------- */ - -#ifdef CONFIG_ACPI_PROCFS_POWER -static struct proc_dir_entry *acpi_battery_dir; - -static int acpi_battery_print_info(struct seq_file *seq, int result) -{ - struct acpi_battery *battery = seq->private; - - if (result) - goto end; - - seq_printf(seq, "present: %s\n", - acpi_battery_present(battery) ? "yes" : "no"); - if (!acpi_battery_present(battery)) - goto end; - if (battery->design_capacity == ACPI_BATTERY_VALUE_UNKNOWN) - seq_printf(seq, "design capacity: unknown\n"); - else - seq_printf(seq, "design capacity: %d %sh\n", - battery->design_capacity, - acpi_battery_units(battery)); - - if (battery->full_charge_capacity == ACPI_BATTERY_VALUE_UNKNOWN) - seq_printf(seq, "last full capacity: unknown\n"); - else - seq_printf(seq, "last full capacity: %d %sh\n", - battery->full_charge_capacity, - acpi_battery_units(battery)); - - seq_printf(seq, "battery technology: %srechargeable\n", - (!battery->technology)?"non-":""); - - if (battery->design_voltage == ACPI_BATTERY_VALUE_UNKNOWN) - seq_printf(seq, "design voltage: unknown\n"); - else - seq_printf(seq, "design voltage: %d mV\n", - battery->design_voltage); - seq_printf(seq, "design capacity warning: %d %sh\n", - battery->design_capacity_warning, - acpi_battery_units(battery)); - seq_printf(seq, "design capacity low: %d %sh\n", - battery->design_capacity_low, - acpi_battery_units(battery)); - seq_printf(seq, "cycle count: %i\n", battery->cycle_count); - seq_printf(seq, "capacity granularity 1: %d %sh\n", - battery->capacity_granularity_1, - acpi_battery_units(battery)); - seq_printf(seq, "capacity granularity 2: %d %sh\n", - battery->capacity_granularity_2, - acpi_battery_units(battery)); - seq_printf(seq, "model number: %s\n", battery->model_number); - seq_printf(seq, "serial number: %s\n", battery->serial_number); - seq_printf(seq, "battery type: %s\n", battery->type); - seq_printf(seq, "OEM info: %s\n", battery->oem_info); - end: - if (result) - seq_printf(seq, "ERROR: Unable to read battery info\n"); - return result; -} - -static int acpi_battery_print_state(struct seq_file *seq, int result) -{ - struct acpi_battery *battery = seq->private; - - if (result) - goto end; - - seq_printf(seq, "present: %s\n", - acpi_battery_present(battery) ? "yes" : "no"); - if (!acpi_battery_present(battery)) - goto end; - - seq_printf(seq, "capacity state: %s\n", - (battery->state & 0x04) ? "critical" : "ok"); - if ((battery->state & 0x01) && (battery->state & 0x02)) - seq_printf(seq, - "charging state: charging/discharging\n"); - else if (battery->state & 0x01) - seq_printf(seq, "charging state: discharging\n"); - else if (battery->state & 0x02) - seq_printf(seq, "charging state: charging\n"); - else - seq_printf(seq, "charging state: charged\n"); - - if (battery->rate_now == ACPI_BATTERY_VALUE_UNKNOWN) - seq_printf(seq, "present rate: unknown\n"); - else - seq_printf(seq, "present rate: %d %s\n", - battery->rate_now, acpi_battery_units(battery)); - - if (battery->capacity_now == ACPI_BATTERY_VALUE_UNKNOWN) - seq_printf(seq, "remaining capacity: unknown\n"); - else - seq_printf(seq, "remaining capacity: %d %sh\n", - battery->capacity_now, acpi_battery_units(battery)); - if (battery->voltage_now == ACPI_BATTERY_VALUE_UNKNOWN) - seq_printf(seq, "present voltage: unknown\n"); - else - seq_printf(seq, "present voltage: %d mV\n", - battery->voltage_now); - end: - if (result) - seq_printf(seq, "ERROR: Unable to read battery state\n"); - - return result; -} - -static int acpi_battery_print_alarm(struct seq_file *seq, int result) -{ - struct acpi_battery *battery = seq->private; - - if (result) - goto end; - - if (!acpi_battery_present(battery)) { - seq_printf(seq, "present: no\n"); - goto end; - } - seq_printf(seq, "alarm: "); - if (!battery->alarm) - seq_printf(seq, "unsupported\n"); - else - seq_printf(seq, "%u %sh\n", battery->alarm, - acpi_battery_units(battery)); - end: - if (result) - seq_printf(seq, "ERROR: Unable to read battery alarm\n"); - return result; -} - -static ssize_t acpi_battery_write_alarm(struct file *file, - const char __user * buffer, - size_t count, loff_t * ppos) -{ - int result = 0; - char alarm_string[12] = { '\0' }; - struct seq_file *m = file->private_data; - struct acpi_battery *battery = m->private; - - if (!battery || (count > sizeof(alarm_string) - 1)) - return -EINVAL; - if (!acpi_battery_present(battery)) { - result = -ENODEV; - goto end; - } - if (copy_from_user(alarm_string, buffer, count)) { - result = -EFAULT; - goto end; - } - alarm_string[count] = '\0'; - battery->alarm = simple_strtol(alarm_string, NULL, 0); - result = acpi_battery_set_alarm(battery); - end: - if (!result) - return count; - return result; -} - -typedef int(*print_func)(struct seq_file *seq, int result); - -static print_func acpi_print_funcs[ACPI_BATTERY_NUMFILES] = { - acpi_battery_print_info, - acpi_battery_print_state, - acpi_battery_print_alarm, -}; - -static int acpi_battery_read(int fid, struct seq_file *seq) -{ - struct acpi_battery *battery = seq->private; - int result = acpi_battery_update(battery); - return acpi_print_funcs[fid](seq, result); -} - -#define DECLARE_FILE_FUNCTIONS(_name) \ -static int acpi_battery_read_##_name(struct seq_file *seq, void *offset) \ -{ \ - return acpi_battery_read(_name##_tag, seq); \ -} \ -static int acpi_battery_##_name##_open_fs(struct inode *inode, struct file *file) \ -{ \ - return single_open(file, acpi_battery_read_##_name, PDE_DATA(inode)); \ -} - -DECLARE_FILE_FUNCTIONS(info); -DECLARE_FILE_FUNCTIONS(state); -DECLARE_FILE_FUNCTIONS(alarm); - -#undef DECLARE_FILE_FUNCTIONS - -#define FILE_DESCRIPTION_RO(_name) \ - { \ - .name = __stringify(_name), \ - .mode = S_IRUGO, \ - .ops = { \ - .open = acpi_battery_##_name##_open_fs, \ - .read = seq_read, \ - .llseek = seq_lseek, \ - .release = single_release, \ - .owner = THIS_MODULE, \ - }, \ - } - -#define FILE_DESCRIPTION_RW(_name) \ - { \ - .name = __stringify(_name), \ - .mode = S_IFREG | S_IRUGO | S_IWUSR, \ - .ops = { \ - .open = acpi_battery_##_name##_open_fs, \ - .read = seq_read, \ - .llseek = seq_lseek, \ - .write = acpi_battery_write_##_name, \ - .release = single_release, \ - .owner = THIS_MODULE, \ - }, \ - } - -static const struct battery_file { - struct file_operations ops; - umode_t mode; - const char *name; -} acpi_battery_file[] = { - FILE_DESCRIPTION_RO(info), - FILE_DESCRIPTION_RO(state), - FILE_DESCRIPTION_RW(alarm), -}; - -#undef FILE_DESCRIPTION_RO -#undef FILE_DESCRIPTION_RW - -static int acpi_battery_add_fs(struct acpi_device *device) -{ - struct proc_dir_entry *entry = NULL; - int i; - - printk(KERN_WARNING PREFIX "Deprecated procfs I/F for battery is loaded," - " please retry with CONFIG_ACPI_PROCFS_POWER cleared\n"); - if (!acpi_device_dir(device)) { - acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device), - acpi_battery_dir); - if (!acpi_device_dir(device)) - return -ENODEV; - } - - for (i = 0; i < ACPI_BATTERY_NUMFILES; ++i) { - entry = proc_create_data(acpi_battery_file[i].name, - acpi_battery_file[i].mode, - acpi_device_dir(device), - &acpi_battery_file[i].ops, - acpi_driver_data(device)); - if (!entry) - return -ENODEV; - } - return 0; -} - -static void acpi_battery_remove_fs(struct acpi_device *device) -{ - int i; - if (!acpi_device_dir(device)) - return; - for (i = 0; i < ACPI_BATTERY_NUMFILES; ++i) - remove_proc_entry(acpi_battery_file[i].name, - acpi_device_dir(device)); - - remove_proc_entry(acpi_device_bid(device), acpi_battery_dir); - acpi_device_dir(device) = NULL; -} - -#endif - -/* -------------------------------------------------------------------------- Driver Interface -------------------------------------------------------------------------- */ @@ -1075,15 +775,6 @@ static int acpi_battery_add(struct acpi_device *device) result = acpi_battery_update(battery); if (result) goto fail; -#ifdef CONFIG_ACPI_PROCFS_POWER - result = acpi_battery_add_fs(device); -#endif - if (result) { -#ifdef CONFIG_ACPI_PROCFS_POWER - acpi_battery_remove_fs(device); -#endif - goto fail; - } printk(KERN_INFO PREFIX "%s Slot [%s] (battery %s)\n", ACPI_BATTERY_DEVICE_NAME, acpi_device_bid(device), @@ -1110,9 +801,6 @@ static int acpi_battery_remove(struct acpi_device *device) return -EINVAL; battery = acpi_driver_data(device); unregister_pm_notifier(&battery->pm_nb); -#ifdef CONFIG_ACPI_PROCFS_POWER - acpi_battery_remove_fs(device); -#endif sysfs_remove_battery(battery); mutex_destroy(&battery->lock); mutex_destroy(&battery->sysfs_lock); @@ -1158,18 +846,7 @@ static void __init acpi_battery_init_async(void *unused, async_cookie_t cookie) { if (acpi_disabled) return; -#ifdef CONFIG_ACPI_PROCFS_POWER - acpi_battery_dir = acpi_lock_battery_dir(); - if (!acpi_battery_dir) - return; -#endif - if (acpi_bus_register_driver(&acpi_battery_driver) < 0) { -#ifdef CONFIG_ACPI_PROCFS_POWER - acpi_unlock_battery_dir(acpi_battery_dir); -#endif - return; - } - return; + acpi_bus_register_driver(&acpi_battery_driver); } static int __init acpi_battery_init(void) @@ -1181,9 +858,6 @@ static int __init acpi_battery_init(void) static void __exit acpi_battery_exit(void) { acpi_bus_unregister_driver(&acpi_battery_driver); -#ifdef CONFIG_ACPI_PROCFS_POWER - acpi_unlock_battery_dir(acpi_battery_dir); -#endif } module_init(acpi_battery_init); diff --git a/drivers/acpi/cm_sbs.c b/drivers/acpi/cm_sbs.c deleted file mode 100644 index 6c9ee68e46fb..000000000000 --- a/drivers/acpi/cm_sbs.c +++ /dev/null @@ -1,105 +0,0 @@ -/* - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - * - * 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/kernel.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/acpi.h> -#include <linux/types.h> -#include <linux/proc_fs.h> -#include <linux/seq_file.h> -#include <acpi/acpi_bus.h> -#include <acpi/acpi_drivers.h> - -#define PREFIX "ACPI: " - -ACPI_MODULE_NAME("cm_sbs"); -#define ACPI_AC_CLASS "ac_adapter" -#define ACPI_BATTERY_CLASS "battery" -#define _COMPONENT ACPI_SBS_COMPONENT -static struct proc_dir_entry *acpi_ac_dir; -static struct proc_dir_entry *acpi_battery_dir; - -static DEFINE_MUTEX(cm_sbs_mutex); - -static int lock_ac_dir_cnt; -static int lock_battery_dir_cnt; - -struct proc_dir_entry *acpi_lock_ac_dir(void) -{ - mutex_lock(&cm_sbs_mutex); - if (!acpi_ac_dir) - acpi_ac_dir = proc_mkdir(ACPI_AC_CLASS, acpi_root_dir); - if (acpi_ac_dir) { - lock_ac_dir_cnt++; - } else { - printk(KERN_ERR PREFIX - "Cannot create %s\n", ACPI_AC_CLASS); - } - mutex_unlock(&cm_sbs_mutex); - return acpi_ac_dir; -} -EXPORT_SYMBOL(acpi_lock_ac_dir); - -void acpi_unlock_ac_dir(struct proc_dir_entry *acpi_ac_dir_param) -{ - mutex_lock(&cm_sbs_mutex); - if (acpi_ac_dir_param) - lock_ac_dir_cnt--; - if (lock_ac_dir_cnt == 0 && acpi_ac_dir_param && acpi_ac_dir) { - remove_proc_entry(ACPI_AC_CLASS, acpi_root_dir); - acpi_ac_dir = NULL; - } - mutex_unlock(&cm_sbs_mutex); -} -EXPORT_SYMBOL(acpi_unlock_ac_dir); - -struct proc_dir_entry *acpi_lock_battery_dir(void) -{ - mutex_lock(&cm_sbs_mutex); - if (!acpi_battery_dir) { - acpi_battery_dir = - proc_mkdir(ACPI_BATTERY_CLASS, acpi_root_dir); - } - if (acpi_battery_dir) { - lock_battery_dir_cnt++; - } else { - printk(KERN_ERR PREFIX - "Cannot create %s\n", ACPI_BATTERY_CLASS); - } - mutex_unlock(&cm_sbs_mutex); - return acpi_battery_dir; -} -EXPORT_SYMBOL(acpi_lock_battery_dir); - -void acpi_unlock_battery_dir(struct proc_dir_entry *acpi_battery_dir_param) -{ - mutex_lock(&cm_sbs_mutex); - if (acpi_battery_dir_param) - lock_battery_dir_cnt--; - if (lock_battery_dir_cnt == 0 && acpi_battery_dir_param - && acpi_battery_dir) { - remove_proc_entry(ACPI_BATTERY_CLASS, acpi_root_dir); - acpi_battery_dir = NULL; - } - mutex_unlock(&cm_sbs_mutex); - return; -} -EXPORT_SYMBOL(acpi_unlock_battery_dir); diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c index 05ea4be01a83..ca86c1ce7c8a 100644 --- a/drivers/acpi/dock.c +++ b/drivers/acpi/dock.c @@ -441,7 +441,7 @@ static void handle_dock(struct dock_station *ds, int dock) acpi_status status; struct acpi_object_list arg_list; union acpi_object arg; - struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; + unsigned long long value; acpi_handle_info(ds->handle, "%s\n", dock ? "docking" : "undocking"); @@ -450,12 +450,10 @@ static void handle_dock(struct dock_station *ds, int dock) arg_list.pointer = &arg; arg.type = ACPI_TYPE_INTEGER; arg.integer.value = dock; - status = acpi_evaluate_object(ds->handle, "_DCK", &arg_list, &buffer); + status = acpi_evaluate_integer(ds->handle, "_DCK", &arg_list, &value); if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) acpi_handle_err(ds->handle, "Failed to execute _DCK (0x%x)\n", status); - - kfree(buffer.pointer); } static inline void dock(struct dock_station *ds) diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c index 41ade6570bc0..ba3da88cee45 100644 --- a/drivers/acpi/fan.c +++ b/drivers/acpi/fan.c @@ -168,7 +168,7 @@ static int acpi_fan_add(struct acpi_device *device) acpi_device_name(device), acpi_device_bid(device), !device->power.state ? "on" : "off"); - end: +end: return result; } diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c index 2e82e5d76930..a2343a1d9e0b 100644 --- a/drivers/acpi/numa.c +++ b/drivers/acpi/numa.c @@ -73,7 +73,7 @@ int acpi_map_pxm_to_node(int pxm) { int node = pxm_to_node_map[pxm]; - if (node < 0) { + if (node == NUMA_NO_NODE) { if (nodes_weight(nodes_found_map) >= MAX_NUMNODES) return NUMA_NO_NODE; node = first_unset_node(nodes_found_map); @@ -334,7 +334,7 @@ int acpi_get_pxm(acpi_handle h) int acpi_get_node(acpi_handle *handle) { - int pxm, node = -1; + int pxm, node = NUMA_NO_NODE; pxm = acpi_get_pxm(handle); if (pxm >= 0 && pxm < MAX_PXM_DOMAINS) diff --git a/drivers/acpi/proc.c b/drivers/acpi/proc.c index 04a13784dd20..6a5b152ad4d0 100644 --- a/drivers/acpi/proc.c +++ b/drivers/acpi/proc.c @@ -8,289 +8,17 @@ #include <acpi/acpi_bus.h> #include <acpi/acpi_drivers.h> -#ifdef CONFIG_X86 -#include <linux/mc146818rtc.h> -#endif - #include "sleep.h" #define _COMPONENT ACPI_SYSTEM_COMPONENT /* * this file provides support for: - * /proc/acpi/alarm * /proc/acpi/wakeup */ ACPI_MODULE_NAME("sleep") -#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 */ -#else -#define HAVE_ACPI_LEGACY_ALARM -#endif - -#ifdef HAVE_ACPI_LEGACY_ALARM - -static u32 cmos_bcd_read(int offset, int rtc_control); - -static int acpi_system_alarm_seq_show(struct seq_file *seq, void *offset) -{ - u32 sec, min, hr; - u32 day, mo, yr, cent = 0; - u32 today = 0; - unsigned char rtc_control = 0; - unsigned long flags; - - spin_lock_irqsave(&rtc_lock, flags); - - rtc_control = CMOS_READ(RTC_CONTROL); - sec = cmos_bcd_read(RTC_SECONDS_ALARM, rtc_control); - min = cmos_bcd_read(RTC_MINUTES_ALARM, rtc_control); - hr = cmos_bcd_read(RTC_HOURS_ALARM, rtc_control); - - /* If we ever get an FACP with proper values... */ - if (acpi_gbl_FADT.day_alarm) { - /* ACPI spec: only low 6 its should be cared */ - day = CMOS_READ(acpi_gbl_FADT.day_alarm) & 0x3F; - if (!(rtc_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD) - day = bcd2bin(day); - } else - day = cmos_bcd_read(RTC_DAY_OF_MONTH, rtc_control); - if (acpi_gbl_FADT.month_alarm) - mo = cmos_bcd_read(acpi_gbl_FADT.month_alarm, rtc_control); - else { - mo = cmos_bcd_read(RTC_MONTH, rtc_control); - today = cmos_bcd_read(RTC_DAY_OF_MONTH, rtc_control); - } - if (acpi_gbl_FADT.century) - cent = cmos_bcd_read(acpi_gbl_FADT.century, rtc_control); - - yr = cmos_bcd_read(RTC_YEAR, rtc_control); - - spin_unlock_irqrestore(&rtc_lock, flags); - - /* we're trusting the FADT (see above) */ - if (!acpi_gbl_FADT.century) - /* If we're not trusting the FADT, we should at least make it - * right for _this_ century... ehm, what is _this_ century? - * - * TBD: - * ASAP: find piece of code in the kernel, e.g. star tracker driver, - * which we can trust to determine the century correctly. Atom - * watch driver would be nice, too... - * - * if that has not happened, change for first release in 2050: - * if (yr<50) - * yr += 2100; - * else - * yr += 2000; // current line of code - * - * if that has not happened either, please do on 2099/12/31:23:59:59 - * s/2000/2100 - * - */ - yr += 2000; - else - yr += cent * 100; - - /* - * Show correct dates for alarms up to a month into the future. - * This solves issues for nearly all situations with the common - * 30-day alarm clocks in PC hardware. - */ - if (day < today) { - if (mo < 12) { - mo += 1; - } else { - mo = 1; - yr += 1; - } - } - - seq_printf(seq, "%4.4u-", yr); - (mo > 12) ? seq_puts(seq, "**-") : seq_printf(seq, "%2.2u-", mo); - (day > 31) ? seq_puts(seq, "** ") : seq_printf(seq, "%2.2u ", day); - (hr > 23) ? seq_puts(seq, "**:") : seq_printf(seq, "%2.2u:", hr); - (min > 59) ? seq_puts(seq, "**:") : seq_printf(seq, "%2.2u:", min); - (sec > 59) ? seq_puts(seq, "**\n") : seq_printf(seq, "%2.2u\n", sec); - - return 0; -} - -static int acpi_system_alarm_open_fs(struct inode *inode, struct file *file) -{ - return single_open(file, acpi_system_alarm_seq_show, PDE_DATA(inode)); -} - -static int get_date_field(char **p, u32 * value) -{ - char *next = NULL; - char *string_end = NULL; - int result = -EINVAL; - - /* - * Try to find delimeter, only to insert null. The end of the - * string won't have one, but is still valid. - */ - if (*p == NULL) - return result; - - next = strpbrk(*p, "- :"); - if (next) - *next++ = '\0'; - - *value = simple_strtoul(*p, &string_end, 10); - - /* Signal success if we got a good digit */ - if (string_end != *p) - result = 0; - - if (next) - *p = next; - else - *p = NULL; - - return result; -} - -/* Read a possibly BCD register, always return binary */ -static u32 cmos_bcd_read(int offset, int rtc_control) -{ - u32 val = CMOS_READ(offset); - if (!(rtc_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD) - val = bcd2bin(val); - return val; -} - -/* Write binary value into possibly BCD register */ -static void cmos_bcd_write(u32 val, int offset, int rtc_control) -{ - if (!(rtc_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD) - val = bin2bcd(val); - CMOS_WRITE(val, offset); -} - -static ssize_t -acpi_system_write_alarm(struct file *file, - const char __user * buffer, size_t count, loff_t * ppos) -{ - int result = 0; - char alarm_string[30] = { '\0' }; - char *p = alarm_string; - u32 sec, min, hr, day, mo, yr; - int adjust = 0; - unsigned char rtc_control = 0; - - if (count > sizeof(alarm_string) - 1) - return -EINVAL; - - if (copy_from_user(alarm_string, buffer, count)) - return -EFAULT; - - alarm_string[count] = '\0'; - - /* check for time adjustment */ - if (alarm_string[0] == '+') { - p++; - adjust = 1; - } - - if ((result = get_date_field(&p, &yr))) - goto end; - if ((result = get_date_field(&p, &mo))) - goto end; - if ((result = get_date_field(&p, &day))) - goto end; - if ((result = get_date_field(&p, &hr))) - goto end; - if ((result = get_date_field(&p, &min))) - goto end; - if ((result = get_date_field(&p, &sec))) - goto end; - - spin_lock_irq(&rtc_lock); - - rtc_control = CMOS_READ(RTC_CONTROL); - - if (adjust) { - yr += cmos_bcd_read(RTC_YEAR, rtc_control); - mo += cmos_bcd_read(RTC_MONTH, rtc_control); - day += cmos_bcd_read(RTC_DAY_OF_MONTH, rtc_control); - hr += cmos_bcd_read(RTC_HOURS, rtc_control); - min += cmos_bcd_read(RTC_MINUTES, rtc_control); - sec += cmos_bcd_read(RTC_SECONDS, rtc_control); - } - - spin_unlock_irq(&rtc_lock); - - if (sec > 59) { - min += sec/60; - sec = sec%60; - } - if (min > 59) { - hr += min/60; - min = min%60; - } - if (hr > 23) { - day += hr/24; - hr = hr%24; - } - if (day > 31) { - mo += day/32; - day = day%32; - } - if (mo > 12) { - yr += mo/13; - mo = mo%13; - } - - spin_lock_irq(&rtc_lock); - /* - * Disable alarm interrupt before setting alarm timer or else - * when ACPI_EVENT_RTC is enabled, a spurious ACPI interrupt occurs - */ - rtc_control &= ~RTC_AIE; - CMOS_WRITE(rtc_control, RTC_CONTROL); - CMOS_READ(RTC_INTR_FLAGS); - - /* write the fields the rtc knows about */ - cmos_bcd_write(hr, RTC_HOURS_ALARM, rtc_control); - cmos_bcd_write(min, RTC_MINUTES_ALARM, rtc_control); - cmos_bcd_write(sec, RTC_SECONDS_ALARM, rtc_control); - - /* - * If the system supports an enhanced alarm it will have non-zero - * offsets into the CMOS RAM here -- which for some reason are pointing - * to the RTC area of memory. - */ - if (acpi_gbl_FADT.day_alarm) - cmos_bcd_write(day, acpi_gbl_FADT.day_alarm, rtc_control); - if (acpi_gbl_FADT.month_alarm) - cmos_bcd_write(mo, acpi_gbl_FADT.month_alarm, rtc_control); - if (acpi_gbl_FADT.century) { - if (adjust) - yr += cmos_bcd_read(acpi_gbl_FADT.century, rtc_control) * 100; - cmos_bcd_write(yr / 100, acpi_gbl_FADT.century, rtc_control); - } - /* enable the rtc alarm interrupt */ - rtc_control |= RTC_AIE; - CMOS_WRITE(rtc_control, RTC_CONTROL); - CMOS_READ(RTC_INTR_FLAGS); - - spin_unlock_irq(&rtc_lock); - - acpi_clear_event(ACPI_EVENT_RTC); - acpi_enable_event(ACPI_EVENT_RTC, 0); - - *ppos += count; - - result = 0; - end: - return result ? result : count; -} -#endif /* HAVE_ACPI_LEGACY_ALARM */ - static int acpi_system_wakeup_device_seq_show(struct seq_file *seq, void *offset) { @@ -417,41 +145,8 @@ static const struct file_operations acpi_system_wakeup_device_fops = { .release = single_release, }; -#ifdef HAVE_ACPI_LEGACY_ALARM -static const struct file_operations acpi_system_alarm_fops = { - .owner = THIS_MODULE, - .open = acpi_system_alarm_open_fs, - .read = seq_read, - .write = acpi_system_write_alarm, - .llseek = seq_lseek, - .release = single_release, -}; - -static u32 rtc_handler(void *context) -{ - acpi_clear_event(ACPI_EVENT_RTC); - acpi_disable_event(ACPI_EVENT_RTC, 0); - - return ACPI_INTERRUPT_HANDLED; -} -#endif /* HAVE_ACPI_LEGACY_ALARM */ - int __init acpi_sleep_proc_init(void) { -#ifdef HAVE_ACPI_LEGACY_ALARM - /* 'alarm' [R/W] */ - proc_create("alarm", S_IFREG | S_IRUGO | S_IWUSR, - acpi_root_dir, &acpi_system_alarm_fops); - - acpi_install_fixed_event_handler(ACPI_EVENT_RTC, rtc_handler, NULL); - /* - * Disable the RTC event after installing RTC handler. - * Only when RTC alarm is set will it be enabled. - */ - acpi_clear_event(ACPI_EVENT_RTC); - acpi_disable_event(ACPI_EVENT_RTC, 0); -#endif /* HAVE_ACPI_LEGACY_ALARM */ - /* 'wakeup device' [R/W] */ proc_create("wakeup", S_IFREG | S_IRUGO | S_IWUSR, acpi_root_dir, &acpi_system_wakeup_device_fops); diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index f98dd00b51a9..35c8f2bbcc40 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -272,9 +272,6 @@ static void tsc_check_state(int state) { return; } static int acpi_processor_get_power_info_fadt(struct acpi_processor *pr) { - if (!pr) - return -EINVAL; - if (!pr->pblk) return -ENODEV; @@ -1076,12 +1073,8 @@ int acpi_processor_hotplug(struct acpi_processor *pr) if (disabled_by_idle_boot_param()) return 0; - if (!pr) - return -EINVAL; - - if (nocst) { + if (nocst) return -ENODEV; - } if (!pr->flags.power_setup_done) return -ENODEV; @@ -1108,9 +1101,6 @@ int acpi_processor_cst_has_changed(struct acpi_processor *pr) if (disabled_by_idle_boot_param()) return 0; - if (!pr) - return -EINVAL; - if (nocst) return -ENODEV; @@ -1183,9 +1173,6 @@ int acpi_processor_power_init(struct acpi_processor *pr) first_run++; } - if (!pr) - return -EINVAL; - if (acpi_gbl_FADT.cst_control && !nocst) { status = acpi_os_write_port(acpi_gbl_FADT.smi_command, acpi_gbl_FADT.cst_control, 8); diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c index aef7e1cd1e5d..d465ae6cdd00 100644 --- a/drivers/acpi/sbs.c +++ b/drivers/acpi/sbs.c @@ -30,12 +30,6 @@ #include <linux/moduleparam.h> #include <linux/kernel.h> -#ifdef CONFIG_ACPI_PROCFS_POWER -#include <linux/proc_fs.h> -#include <linux/seq_file.h> -#include <asm/uaccess.h> -#endif - #include <linux/acpi.h> #include <linux/timer.h> #include <linux/jiffies.h> @@ -67,11 +61,6 @@ static unsigned int cache_time = 1000; module_param(cache_time, uint, 0644); MODULE_PARM_DESC(cache_time, "cache time in milliseconds"); -extern struct proc_dir_entry *acpi_lock_ac_dir(void); -extern struct proc_dir_entry *acpi_lock_battery_dir(void); -extern void acpi_unlock_ac_dir(struct proc_dir_entry *acpi_ac_dir); -extern void acpi_unlock_battery_dir(struct proc_dir_entry *acpi_battery_dir); - #define MAX_SBS_BAT 4 #define ACPI_SBS_BLOCK_MAX 32 @@ -84,9 +73,6 @@ MODULE_DEVICE_TABLE(acpi, sbs_device_ids); struct acpi_battery { struct power_supply bat; struct acpi_sbs *sbs; -#ifdef CONFIG_ACPI_PROCFS_POWER - struct proc_dir_entry *proc_entry; -#endif unsigned long update_time; char name[8]; char manufacturer_name[ACPI_SBS_BLOCK_MAX]; @@ -119,9 +105,6 @@ struct acpi_sbs { struct acpi_device *device; struct acpi_smb_hc *hc; struct mutex lock; -#ifdef CONFIG_ACPI_PROCFS_POWER - struct proc_dir_entry *charger_entry; -#endif struct acpi_battery battery[MAX_SBS_BAT]; u8 batteries_supported:4; u8 manager_present:1; @@ -482,261 +465,6 @@ static struct device_attribute alarm_attr = { }; /* -------------------------------------------------------------------------- - FS Interface (/proc/acpi) - -------------------------------------------------------------------------- */ - -#ifdef CONFIG_ACPI_PROCFS_POWER -/* Generic Routines */ -static int -acpi_sbs_add_fs(struct proc_dir_entry **dir, - struct proc_dir_entry *parent_dir, - char *dir_name, - const struct file_operations *info_fops, - const struct file_operations *state_fops, - const struct file_operations *alarm_fops, void *data) -{ - printk(KERN_WARNING PREFIX "Deprecated procfs I/F for SBS is loaded," - " please retry with CONFIG_ACPI_PROCFS_POWER cleared\n"); - if (!*dir) { - *dir = proc_mkdir(dir_name, parent_dir); - if (!*dir) { - return -ENODEV; - } - } - - /* 'info' [R] */ - if (info_fops) - proc_create_data(ACPI_SBS_FILE_INFO, S_IRUGO, *dir, - info_fops, data); - - /* 'state' [R] */ - if (state_fops) - proc_create_data(ACPI_SBS_FILE_STATE, S_IRUGO, *dir, - state_fops, data); - - /* 'alarm' [R/W] */ - if (alarm_fops) - proc_create_data(ACPI_SBS_FILE_ALARM, S_IRUGO, *dir, - alarm_fops, data); - return 0; -} - -/* Smart Battery Interface */ -static struct proc_dir_entry *acpi_battery_dir = NULL; - -static inline char *acpi_battery_units(struct acpi_battery *battery) -{ - return acpi_battery_mode(battery) ? " mW" : " mA"; -} - - -static int acpi_battery_read_info(struct seq_file *seq, void *offset) -{ - struct acpi_battery *battery = seq->private; - struct acpi_sbs *sbs = battery->sbs; - int result = 0; - - mutex_lock(&sbs->lock); - - seq_printf(seq, "present: %s\n", - (battery->present) ? "yes" : "no"); - if (!battery->present) - goto end; - - seq_printf(seq, "design capacity: %i%sh\n", - battery->design_capacity * acpi_battery_scale(battery), - acpi_battery_units(battery)); - seq_printf(seq, "last full capacity: %i%sh\n", - battery->full_charge_capacity * acpi_battery_scale(battery), - acpi_battery_units(battery)); - seq_printf(seq, "battery technology: rechargeable\n"); - seq_printf(seq, "design voltage: %i mV\n", - battery->design_voltage * acpi_battery_vscale(battery)); - seq_printf(seq, "design capacity warning: unknown\n"); - seq_printf(seq, "design capacity low: unknown\n"); - seq_printf(seq, "cycle count: %i\n", battery->cycle_count); - seq_printf(seq, "capacity granularity 1: unknown\n"); - seq_printf(seq, "capacity granularity 2: unknown\n"); - seq_printf(seq, "model number: %s\n", battery->device_name); - seq_printf(seq, "serial number: %i\n", - battery->serial_number); - seq_printf(seq, "battery type: %s\n", - battery->device_chemistry); - seq_printf(seq, "OEM info: %s\n", - battery->manufacturer_name); - end: - mutex_unlock(&sbs->lock); - return result; -} - -static int acpi_battery_info_open_fs(struct inode *inode, struct file *file) -{ - return single_open(file, acpi_battery_read_info, PDE_DATA(inode)); -} - -static int acpi_battery_read_state(struct seq_file *seq, void *offset) -{ - struct acpi_battery *battery = seq->private; - struct acpi_sbs *sbs = battery->sbs; - int rate; - - mutex_lock(&sbs->lock); - seq_printf(seq, "present: %s\n", - (battery->present) ? "yes" : "no"); - if (!battery->present) - goto end; - - acpi_battery_get_state(battery); - seq_printf(seq, "capacity state: %s\n", - (battery->state & 0x0010) ? "critical" : "ok"); - seq_printf(seq, "charging state: %s\n", - (battery->rate_now < 0) ? "discharging" : - ((battery->rate_now > 0) ? "charging" : "charged")); - rate = abs(battery->rate_now) * acpi_battery_ipscale(battery); - rate *= (acpi_battery_mode(battery))?(battery->voltage_now * - acpi_battery_vscale(battery)/1000):1; - seq_printf(seq, "present rate: %d%s\n", rate, - acpi_battery_units(battery)); - seq_printf(seq, "remaining capacity: %i%sh\n", - battery->capacity_now * acpi_battery_scale(battery), - acpi_battery_units(battery)); - seq_printf(seq, "present voltage: %i mV\n", - battery->voltage_now * acpi_battery_vscale(battery)); - - end: - mutex_unlock(&sbs->lock); - return 0; -} - -static int acpi_battery_state_open_fs(struct inode *inode, struct file *file) -{ - return single_open(file, acpi_battery_read_state, PDE_DATA(inode)); -} - -static int acpi_battery_read_alarm(struct seq_file *seq, void *offset) -{ - struct acpi_battery *battery = seq->private; - struct acpi_sbs *sbs = battery->sbs; - int result = 0; - - mutex_lock(&sbs->lock); - - if (!battery->present) { - seq_printf(seq, "present: no\n"); - goto end; - } - - acpi_battery_get_alarm(battery); - seq_printf(seq, "alarm: "); - if (battery->alarm_capacity) - seq_printf(seq, "%i%sh\n", - battery->alarm_capacity * - acpi_battery_scale(battery), - acpi_battery_units(battery)); - else - seq_printf(seq, "disabled\n"); - end: - mutex_unlock(&sbs->lock); - return result; -} - -static ssize_t -acpi_battery_write_alarm(struct file *file, const char __user * buffer, - size_t count, loff_t * ppos) -{ - struct seq_file *seq = file->private_data; - struct acpi_battery *battery = seq->private; - struct acpi_sbs *sbs = battery->sbs; - char alarm_string[12] = { '\0' }; - int result = 0; - mutex_lock(&sbs->lock); - if (!battery->present) { - result = -ENODEV; - goto end; - } - if (count > sizeof(alarm_string) - 1) { - result = -EINVAL; - goto end; - } - if (copy_from_user(alarm_string, buffer, count)) { - result = -EFAULT; - goto end; - } - alarm_string[count] = 0; - battery->alarm_capacity = simple_strtoul(alarm_string, NULL, 0) / - acpi_battery_scale(battery); - acpi_battery_set_alarm(battery); - end: - mutex_unlock(&sbs->lock); - if (result) - return result; - return count; -} - -static int acpi_battery_alarm_open_fs(struct inode *inode, struct file *file) -{ - return single_open(file, acpi_battery_read_alarm, PDE_DATA(inode)); -} - -static const struct file_operations acpi_battery_info_fops = { - .open = acpi_battery_info_open_fs, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, - .owner = THIS_MODULE, -}; - -static const struct file_operations acpi_battery_state_fops = { - .open = acpi_battery_state_open_fs, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, - .owner = THIS_MODULE, -}; - -static const struct file_operations acpi_battery_alarm_fops = { - .open = acpi_battery_alarm_open_fs, - .read = seq_read, - .write = acpi_battery_write_alarm, - .llseek = seq_lseek, - .release = single_release, - .owner = THIS_MODULE, -}; - -/* Legacy AC Adapter Interface */ - -static struct proc_dir_entry *acpi_ac_dir = NULL; - -static int acpi_ac_read_state(struct seq_file *seq, void *offset) -{ - - struct acpi_sbs *sbs = seq->private; - - mutex_lock(&sbs->lock); - - seq_printf(seq, "state: %s\n", - sbs->charger_present ? "on-line" : "off-line"); - - mutex_unlock(&sbs->lock); - return 0; -} - -static int acpi_ac_state_open_fs(struct inode *inode, struct file *file) -{ - return single_open(file, acpi_ac_read_state, PDE_DATA(inode)); -} - -static const struct file_operations acpi_ac_state_fops = { - .open = acpi_ac_state_open_fs, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, - .owner = THIS_MODULE, -}; - -#endif - -/* -------------------------------------------------------------------------- Driver Interface -------------------------------------------------------------------------- */ static int acpi_battery_read(struct acpi_battery *battery) @@ -781,12 +509,6 @@ static int acpi_battery_add(struct acpi_sbs *sbs, int id) return result; sprintf(battery->name, ACPI_BATTERY_DIR_NAME, id); -#ifdef CONFIG_ACPI_PROCFS_POWER - acpi_sbs_add_fs(&battery->proc_entry, acpi_battery_dir, - battery->name, &acpi_battery_info_fops, - &acpi_battery_state_fops, &acpi_battery_alarm_fops, - battery); -#endif battery->bat.name = battery->name; battery->bat.type = POWER_SUPPLY_TYPE_BATTERY; if (!acpi_battery_mode(battery)) { @@ -822,10 +544,6 @@ static void acpi_battery_remove(struct acpi_sbs *sbs, int id) device_remove_file(battery->bat.dev, &alarm_attr); power_supply_unregister(&battery->bat); } -#ifdef CONFIG_ACPI_PROCFS_POWER - proc_remove(battery->proc_entry); - battery->proc_entry = NULL; -#endif } static int acpi_charger_add(struct acpi_sbs *sbs) @@ -835,13 +553,7 @@ static int acpi_charger_add(struct acpi_sbs *sbs) result = acpi_ac_get_present(sbs); if (result) goto end; -#ifdef CONFIG_ACPI_PROCFS_POWER - result = acpi_sbs_add_fs(&sbs->charger_entry, acpi_ac_dir, - ACPI_AC_DIR_NAME, NULL, - &acpi_ac_state_fops, NULL, sbs); - if (result) - goto end; -#endif + sbs->charger.name = "sbs-charger"; sbs->charger.type = POWER_SUPPLY_TYPE_MAINS; sbs->charger.properties = sbs_ac_props; @@ -859,10 +571,6 @@ static void acpi_charger_remove(struct acpi_sbs *sbs) { if (sbs->charger.dev) power_supply_unregister(&sbs->charger); -#ifdef CONFIG_ACPI_PROCFS_POWER - proc_remove(sbs->charger_entry); - sbs->charger_entry = NULL; -#endif } static void acpi_sbs_callback(void *context) @@ -950,20 +658,6 @@ static int acpi_sbs_remove(struct acpi_device *device) return 0; } -static void acpi_sbs_rmdirs(void) -{ -#ifdef CONFIG_ACPI_PROCFS_POWER - if (acpi_ac_dir) { - acpi_unlock_ac_dir(acpi_ac_dir); - acpi_ac_dir = NULL; - } - if (acpi_battery_dir) { - acpi_unlock_battery_dir(acpi_battery_dir); - acpi_battery_dir = NULL; - } -#endif -} - #ifdef CONFIG_PM_SLEEP static int acpi_sbs_resume(struct device *dev) { @@ -995,28 +689,17 @@ static int __init acpi_sbs_init(void) if (acpi_disabled) return -ENODEV; -#ifdef CONFIG_ACPI_PROCFS_POWER - acpi_ac_dir = acpi_lock_ac_dir(); - if (!acpi_ac_dir) - return -ENODEV; - acpi_battery_dir = acpi_lock_battery_dir(); - if (!acpi_battery_dir) { - acpi_sbs_rmdirs(); - return -ENODEV; - } -#endif + result = acpi_bus_register_driver(&acpi_sbs_driver); - if (result < 0) { - acpi_sbs_rmdirs(); + if (result < 0) return -ENODEV; - } + return 0; } static void __exit acpi_sbs_exit(void) { acpi_bus_unregister_driver(&acpi_sbs_driver); - acpi_sbs_rmdirs(); return; } diff --git a/drivers/cpufreq/pcc-cpufreq.c b/drivers/cpufreq/pcc-cpufreq.c index d81c4e5ea0ad..70438de5c0e4 100644 --- a/drivers/cpufreq/pcc-cpufreq.c +++ b/drivers/cpufreq/pcc-cpufreq.c @@ -396,15 +396,14 @@ static int __init pcc_cpufreq_probe(void) struct pcc_memory_resource *mem_resource; struct pcc_register_resource *reg_resource; union acpi_object *out_obj, *member; - acpi_handle handle, osc_handle, pcch_handle; + acpi_handle handle, osc_handle; int ret = 0; status = acpi_get_handle(NULL, "\\_SB", &handle); if (ACPI_FAILURE(status)) return -ENODEV; - status = acpi_get_handle(handle, "PCCH", &pcch_handle); - if (ACPI_FAILURE(status)) + if (!acpi_has_method(handle, "PCCH")) return -ENODEV; status = acpi_get_handle(handle, "_OSC", &osc_handle); diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c index 5c1ef2b3ef18..f2beb728ed8f 100644 --- a/drivers/gpio/gpiolib-acpi.c +++ b/drivers/gpio/gpiolib-acpi.c @@ -73,15 +73,8 @@ static irqreturn_t acpi_gpio_irq_handler(int irq, void *data) static irqreturn_t acpi_gpio_irq_handler_evt(int irq, void *data) { struct acpi_gpio_evt_pin *evt_pin = data; - struct acpi_object_list args; - union acpi_object arg; - arg.type = ACPI_TYPE_INTEGER; - arg.integer.value = evt_pin->pin; - args.count = 1; - args.pointer = &arg; - - acpi_evaluate_object(evt_pin->evt_handle, NULL, &args, NULL); + acpi_execute_simple_method(evt_pin->evt_handle, NULL, evt_pin->pin); return IRQ_HANDLED; } diff --git a/drivers/gpu/drm/i915/intel_acpi.c b/drivers/gpu/drm/i915/intel_acpi.c index 57fe1ae32a0d..43959edd4291 100644 --- a/drivers/gpu/drm/i915/intel_acpi.c +++ b/drivers/gpu/drm/i915/intel_acpi.c @@ -193,16 +193,14 @@ out: static bool intel_dsm_pci_probe(struct pci_dev *pdev) { - acpi_handle dhandle, intel_handle; - acpi_status status; + acpi_handle dhandle; int ret; dhandle = DEVICE_ACPI_HANDLE(&pdev->dev); if (!dhandle) return false; - status = acpi_get_handle(dhandle, "_DSM", &intel_handle); - if (ACPI_FAILURE(status)) { + if (!acpi_has_method(dhandle, "_DSM")) { DRM_DEBUG_KMS("no _DSM method for intel device\n"); return false; } diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.c b/drivers/gpu/drm/nouveau/nouveau_acpi.c index dd7d2e182719..cfbeee607b3a 100644 --- a/drivers/gpu/drm/nouveau/nouveau_acpi.c +++ b/drivers/gpu/drm/nouveau/nouveau_acpi.c @@ -253,18 +253,15 @@ static struct vga_switcheroo_handler nouveau_dsm_handler = { static int nouveau_dsm_pci_probe(struct pci_dev *pdev) { - acpi_handle dhandle, nvidia_handle; - acpi_status status; + acpi_handle dhandle; int retval = 0; dhandle = DEVICE_ACPI_HANDLE(&pdev->dev); if (!dhandle) return false; - status = acpi_get_handle(dhandle, "_DSM", &nvidia_handle); - if (ACPI_FAILURE(status)) { + if (!acpi_has_method(dhandle, "_DSM")) return false; - } if (nouveau_test_dsm(dhandle, nouveau_dsm, NOUVEAU_DSM_POWER)) retval |= NOUVEAU_DSM_HAS_MUX; diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid.c index c1336193b04b..fd7ce374f812 100644 --- a/drivers/hid/i2c-hid/i2c-hid.c +++ b/drivers/hid/i2c-hid/i2c-hid.c @@ -854,10 +854,10 @@ static int i2c_hid_acpi_pdata(struct i2c_client *client, 0xF7, 0xF6, 0xDF, 0x3C, 0x67, 0x42, 0x55, 0x45, 0xAD, 0x05, 0xB3, 0x0A, 0x3D, 0x89, 0x38, 0xDE, }; - struct acpi_buffer buf = { ACPI_ALLOCATE_BUFFER, NULL }; - union acpi_object params[4], *obj; + union acpi_object params[4]; struct acpi_object_list input; struct acpi_device *adev; + unsigned long long value; acpi_handle handle; handle = ACPI_HANDLE(&client->dev); @@ -878,22 +878,14 @@ static int i2c_hid_acpi_pdata(struct i2c_client *client, params[3].package.count = 0; params[3].package.elements = NULL; - if (ACPI_FAILURE(acpi_evaluate_object(handle, "_DSM", &input, &buf))) { + if (ACPI_FAILURE(acpi_evaluate_integer(handle, "_DSM", &input, + &value))) { dev_err(&client->dev, "device _DSM execution failed\n"); return -ENODEV; } - obj = (union acpi_object *)buf.pointer; - if (obj->type != ACPI_TYPE_INTEGER) { - dev_err(&client->dev, "device _DSM returned invalid type: %d\n", - obj->type); - kfree(buf.pointer); - return -EINVAL; - } - - pdata->hid_descriptor_address = obj->integer.value; + pdata->hid_descriptor_address = value; - kfree(buf.pointer); return 0; } diff --git a/drivers/pci/hotplug/acpi_pcihp.c b/drivers/pci/hotplug/acpi_pcihp.c index 2a47e82821da..5440131cd4ee 100644 --- a/drivers/pci/hotplug/acpi_pcihp.c +++ b/drivers/pci/hotplug/acpi_pcihp.c @@ -411,13 +411,10 @@ EXPORT_SYMBOL(acpi_get_hp_hw_control_from_firmware); static int pcihp_is_ejectable(acpi_handle handle) { acpi_status status; - acpi_handle tmp; unsigned long long removable; - status = acpi_get_handle(handle, "_ADR", &tmp); - if (ACPI_FAILURE(status)) + if (!acpi_has_method(handle, "_ADR")) return 0; - status = acpi_get_handle(handle, "_EJ0", &tmp); - if (ACPI_SUCCESS(status)) + if (acpi_has_method(handle, "_EJ0")) return 1; status = acpi_evaluate_integer(handle, "_RMV", NULL, &removable); if (ACPI_SUCCESS(status) && removable) diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c index b0299e6d9a3f..dfd1f59de729 100644 --- a/drivers/pci/pci-acpi.c +++ b/drivers/pci/pci-acpi.c @@ -181,7 +181,6 @@ static bool acpi_pci_power_manageable(struct pci_dev *dev) static int acpi_pci_set_power_state(struct pci_dev *dev, pci_power_t state) { acpi_handle handle = DEVICE_ACPI_HANDLE(&dev->dev); - acpi_handle tmp; static const u8 state_conv[] = { [PCI_D0] = ACPI_STATE_D0, [PCI_D1] = ACPI_STATE_D1, @@ -192,7 +191,7 @@ static int acpi_pci_set_power_state(struct pci_dev *dev, pci_power_t state) int error = -EINVAL; /* If the ACPI device has _EJ0, ignore the device */ - if (!handle || ACPI_SUCCESS(acpi_get_handle(handle, "_EJ0", &tmp))) + if (!handle || acpi_has_method(handle, "_EJ0")) return -ENODEV; switch (state) { diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c index a6afd4108beb..aefcc32e5634 100644 --- a/drivers/platform/x86/eeepc-laptop.c +++ b/drivers/platform/x86/eeepc-laptop.c @@ -190,16 +190,10 @@ struct eeepc_laptop { */ static int write_acpi_int(acpi_handle handle, const char *method, int val) { - struct acpi_object_list params; - union acpi_object in_obj; acpi_status status; - params.count = 1; - params.pointer = &in_obj; - in_obj.type = ACPI_TYPE_INTEGER; - in_obj.integer.value = val; + status = acpi_execute_simple_method(handle, (char *)method, val); - status = acpi_evaluate_object(handle, (char *)method, ¶ms, NULL); return (status == AE_OK ? 0 : -1); } diff --git a/drivers/platform/x86/fujitsu-laptop.c b/drivers/platform/x86/fujitsu-laptop.c index 52b8a97efde1..9d30d69aa78f 100644 --- a/drivers/platform/x86/fujitsu-laptop.c +++ b/drivers/platform/x86/fujitsu-laptop.c @@ -219,8 +219,7 @@ static int call_fext_func(int cmd, int arg0, int arg1, int arg2) { .type = ACPI_TYPE_INTEGER } }; struct acpi_object_list arg_list = { 4, ¶ms[0] }; - struct acpi_buffer output; - union acpi_object out_obj; + unsigned long long value; acpi_handle handle = NULL; status = acpi_get_handle(fujitsu_hotkey->acpi_handle, "FUNC", &handle); @@ -235,10 +234,7 @@ static int call_fext_func(int cmd, int arg0, int arg1, int arg2) params[2].integer.value = arg1; params[3].integer.value = arg2; - output.length = sizeof(out_obj); - output.pointer = &out_obj; - - status = acpi_evaluate_object(handle, NULL, &arg_list, &output); + status = acpi_evaluate_integer(handle, NULL, &arg_list, &value); if (ACPI_FAILURE(status)) { vdbg_printk(FUJLAPTOP_DBG_WARN, "FUNC 0x%x (args 0x%x, 0x%x, 0x%x) call failed\n", @@ -246,18 +242,10 @@ static int call_fext_func(int cmd, int arg0, int arg1, int arg2) return -ENODEV; } - if (out_obj.type != ACPI_TYPE_INTEGER) { - vdbg_printk(FUJLAPTOP_DBG_WARN, - "FUNC 0x%x (args 0x%x, 0x%x, 0x%x) did not " - "return an integer\n", - cmd, arg0, arg1, arg2); - return -ENODEV; - } - vdbg_printk(FUJLAPTOP_DBG_TRACE, "FUNC 0x%x (args 0x%x, 0x%x, 0x%x) returned 0x%x\n", - cmd, arg0, arg1, arg2, (int)out_obj.integer.value); - return out_obj.integer.value; + cmd, arg0, arg1, arg2, (int)value); + return value; } #if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE) @@ -317,8 +305,6 @@ static enum led_brightness kblamps_get(struct led_classdev *cdev) static int set_lcd_level(int level) { acpi_status status = AE_OK; - union acpi_object arg0 = { ACPI_TYPE_INTEGER }; - struct acpi_object_list arg_list = { 1, &arg0 }; acpi_handle handle = NULL; vdbg_printk(FUJLAPTOP_DBG_TRACE, "set lcd level via SBLL [%d]\n", @@ -333,9 +319,8 @@ static int set_lcd_level(int level) return -ENODEV; } - arg0.integer.value = level; - status = acpi_evaluate_object(handle, NULL, &arg_list, NULL); + status = acpi_execute_simple_method(handle, NULL, level); if (ACPI_FAILURE(status)) return -ENODEV; @@ -345,8 +330,6 @@ static int set_lcd_level(int level) static int set_lcd_level_alt(int level) { acpi_status status = AE_OK; - union acpi_object arg0 = { ACPI_TYPE_INTEGER }; - struct acpi_object_list arg_list = { 1, &arg0 }; acpi_handle handle = NULL; vdbg_printk(FUJLAPTOP_DBG_TRACE, "set lcd level via SBL2 [%d]\n", @@ -361,9 +344,7 @@ static int set_lcd_level_alt(int level) return -ENODEV; } - arg0.integer.value = level; - - status = acpi_evaluate_object(handle, NULL, &arg_list, NULL); + status = acpi_execute_simple_method(handle, NULL, level); if (ACPI_FAILURE(status)) return -ENODEV; @@ -586,11 +567,10 @@ static struct platform_driver fujitsupf_driver = { static void dmi_check_cb_common(const struct dmi_system_id *id) { - acpi_handle handle; pr_info("Identified laptop model '%s'\n", id->ident); if (use_alt_lcd_levels == -1) { - if (ACPI_SUCCESS(acpi_get_handle(NULL, - "\\_SB.PCI0.LPCB.FJEX.SBL2", &handle))) + if (acpi_has_method(NULL, + "\\_SB.PCI0.LPCB.FJEX.SBL2")) use_alt_lcd_levels = 1; else use_alt_lcd_levels = 0; @@ -653,7 +633,6 @@ static struct dmi_system_id fujitsu_dmi_table[] = { static int acpi_fujitsu_add(struct acpi_device *device) { - acpi_handle handle; int result = 0; int state = 0; struct input_dev *input; @@ -702,8 +681,7 @@ static int acpi_fujitsu_add(struct acpi_device *device) fujitsu->dev = device; - if (ACPI_SUCCESS - (acpi_get_handle(device->handle, METHOD_NAME__INI, &handle))) { + if (acpi_has_method(device->handle, METHOD_NAME__INI)) { vdbg_printk(FUJLAPTOP_DBG_INFO, "Invoking _INI\n"); if (ACPI_FAILURE (acpi_evaluate_object @@ -803,7 +781,6 @@ static void acpi_fujitsu_notify(struct acpi_device *device, u32 event) static int acpi_fujitsu_hotkey_add(struct acpi_device *device) { - acpi_handle handle; int result = 0; int state = 0; struct input_dev *input; @@ -866,8 +843,7 @@ static int acpi_fujitsu_hotkey_add(struct acpi_device *device) fujitsu_hotkey->dev = device; - if (ACPI_SUCCESS - (acpi_get_handle(device->handle, METHOD_NAME__INI, &handle))) { + if (acpi_has_method(device->handle, METHOD_NAME__INI)) { vdbg_printk(FUJLAPTOP_DBG_INFO, "Invoking _INI\n"); if (ACPI_FAILURE (acpi_evaluate_object diff --git a/drivers/platform/x86/intel-rst.c b/drivers/platform/x86/intel-rst.c index 41b740cb28bc..a2083a9e5662 100644 --- a/drivers/platform/x86/intel-rst.c +++ b/drivers/platform/x86/intel-rst.c @@ -29,24 +29,16 @@ static ssize_t irst_show_wakeup_events(struct device *dev, char *buf) { struct acpi_device *acpi; - struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; - union acpi_object *result; + unsigned long long value; acpi_status status; acpi = to_acpi_device(dev); - status = acpi_evaluate_object(acpi->handle, "GFFS", NULL, &output); + status = acpi_evaluate_integer(acpi->handle, "GFFS", NULL, &value); if (!ACPI_SUCCESS(status)) return -EINVAL; - result = output.pointer; - - if (result->type != ACPI_TYPE_INTEGER) { - kfree(result); - return -EINVAL; - } - - return sprintf(buf, "%lld\n", result->integer.value); + return sprintf(buf, "%lld\n", value); } static ssize_t irst_store_wakeup_events(struct device *dev, @@ -54,8 +46,6 @@ static ssize_t irst_store_wakeup_events(struct device *dev, const char *buf, size_t count) { struct acpi_device *acpi; - struct acpi_object_list input; - union acpi_object param; acpi_status status; unsigned long value; int error; @@ -67,13 +57,7 @@ static ssize_t irst_store_wakeup_events(struct device *dev, if (error) return error; - param.type = ACPI_TYPE_INTEGER; - param.integer.value = value; - - input.count = 1; - input.pointer = ¶m; - - status = acpi_evaluate_object(acpi->handle, "SFFS", &input, NULL); + status = acpi_execute_simple_method(acpi->handle, "SFFS", value); if (!ACPI_SUCCESS(status)) return -EINVAL; @@ -91,24 +75,16 @@ static ssize_t irst_show_wakeup_time(struct device *dev, struct device_attribute *attr, char *buf) { struct acpi_device *acpi; - struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; - union acpi_object *result; + unsigned long long value; acpi_status status; acpi = to_acpi_device(dev); - status = acpi_evaluate_object(acpi->handle, "GFTV", NULL, &output); + status = acpi_evaluate_integer(acpi->handle, "GFTV", NULL, &value); if (!ACPI_SUCCESS(status)) return -EINVAL; - result = output.pointer; - - if (result->type != ACPI_TYPE_INTEGER) { - kfree(result); - return -EINVAL; - } - - return sprintf(buf, "%lld\n", result->integer.value); + return sprintf(buf, "%lld\n", value); } static ssize_t irst_store_wakeup_time(struct device *dev, @@ -116,8 +92,6 @@ static ssize_t irst_store_wakeup_time(struct device *dev, const char *buf, size_t count) { struct acpi_device *acpi; - struct acpi_object_list input; - union acpi_object param; acpi_status status; unsigned long value; int error; @@ -129,13 +103,7 @@ static ssize_t irst_store_wakeup_time(struct device *dev, if (error) return error; - param.type = ACPI_TYPE_INTEGER; - param.integer.value = value; - - input.count = 1; - input.pointer = ¶m; - - status = acpi_evaluate_object(acpi->handle, "SFTV", &input, NULL); + status = acpi_execute_simple_method(acpi->handle, "SFTV", value); if (!ACPI_SUCCESS(status)) return -EINVAL; diff --git a/drivers/platform/x86/intel-smartconnect.c b/drivers/platform/x86/intel-smartconnect.c index 52259dcabecb..1838400dc036 100644 --- a/drivers/platform/x86/intel-smartconnect.c +++ b/drivers/platform/x86/intel-smartconnect.c @@ -25,37 +25,18 @@ MODULE_LICENSE("GPL"); static int smartconnect_acpi_init(struct acpi_device *acpi) { - struct acpi_object_list input; - struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; - union acpi_object *result; - union acpi_object param; + unsigned long long value; acpi_status status; - status = acpi_evaluate_object(acpi->handle, "GAOS", NULL, &output); + status = acpi_evaluate_integer(acpi->handle, "GAOS", NULL, &value); if (!ACPI_SUCCESS(status)) return -EINVAL; - result = output.pointer; - - if (result->type != ACPI_TYPE_INTEGER) { - kfree(result); - return -EINVAL; - } - - if (result->integer.value & 0x1) { - param.type = ACPI_TYPE_INTEGER; - param.integer.value = 0; - - input.count = 1; - input.pointer = ¶m; - + if (value & 0x1) { dev_info(&acpi->dev, "Disabling Intel Smart Connect\n"); - status = acpi_evaluate_object(acpi->handle, "SAOS", &input, - NULL); + status = acpi_execute_simple_method(acpi->handle, "SAOS", 0); } - kfree(result); - return 0; } diff --git a/drivers/platform/x86/intel_menlow.c b/drivers/platform/x86/intel_menlow.c index d6cfc1558c2f..11244f8703c4 100644 --- a/drivers/platform/x86/intel_menlow.c +++ b/drivers/platform/x86/intel_menlow.c @@ -156,19 +156,15 @@ static struct thermal_cooling_device_ops memory_cooling_ops = { static int intel_menlow_memory_add(struct acpi_device *device) { int result = -ENODEV; - acpi_status status = AE_OK; - acpi_handle dummy; struct thermal_cooling_device *cdev; if (!device) return -EINVAL; - status = acpi_get_handle(device->handle, MEMORY_GET_BANDWIDTH, &dummy); - if (ACPI_FAILURE(status)) + if (!acpi_has_method(device->handle, MEMORY_GET_BANDWIDTH)) goto end; - status = acpi_get_handle(device->handle, MEMORY_SET_BANDWIDTH, &dummy); - if (ACPI_FAILURE(status)) + if (!acpi_has_method(device->handle, MEMORY_SET_BANDWIDTH)) goto end; cdev = thermal_cooling_device_register("Memory controller", device, diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c index 13ec195f0ca6..47caab0ea7a1 100644 --- a/drivers/platform/x86/sony-laptop.c +++ b/drivers/platform/x86/sony-laptop.c @@ -1508,7 +1508,6 @@ static void sony_nc_function_resume(void) static int sony_nc_resume(struct device *dev) { struct sony_nc_value *item; - acpi_handle handle; for (item = sony_nc_values; item->name; item++) { int ret; @@ -1523,15 +1522,13 @@ static int sony_nc_resume(struct device *dev) } } - if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON", - &handle))) { + if (acpi_has_method(sony_nc_acpi_handle, "ECON")) { int arg = 1; if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL)) dprintk("ECON Method failed\n"); } - if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00", - &handle))) + if (acpi_has_method(sony_nc_acpi_handle, "SN00")) sony_nc_function_resume(); return 0; @@ -2682,7 +2679,6 @@ static void sony_nc_backlight_ng_read_limits(int handle, static void sony_nc_backlight_setup(void) { - acpi_handle unused; int max_brightness = 0; const struct backlight_ops *ops = NULL; struct backlight_properties props; @@ -2717,8 +2713,7 @@ static void sony_nc_backlight_setup(void) sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props); max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; - } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT", - &unused))) { + } else if (acpi_has_method(sony_nc_acpi_handle, "GBRT")) { ops = &sony_backlight_ops; max_brightness = SONY_MAX_BRIGHTNESS - 1; @@ -2750,7 +2745,6 @@ static int sony_nc_add(struct acpi_device *device) { acpi_status status; int result = 0; - acpi_handle handle; struct sony_nc_value *item; pr_info("%s v%s\n", SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION); @@ -2790,15 +2784,13 @@ static int sony_nc_add(struct acpi_device *device) goto outplatform; } - if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON", - &handle))) { + if (acpi_has_method(sony_nc_acpi_handle, "ECON")) { int arg = 1; if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL)) dprintk("ECON Method failed\n"); } - if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00", - &handle))) { + if (acpi_has_method(sony_nc_acpi_handle, "SN00")) { dprintk("Doing SNC setup\n"); /* retrieve the available handles */ result = sony_nc_handles_setup(sony_pf_device); @@ -2821,9 +2813,8 @@ static int sony_nc_add(struct acpi_device *device) /* find the available acpiget as described in the DSDT */ for (; item->acpiget && *item->acpiget; ++item->acpiget) { - if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, - *item->acpiget, - &handle))) { + if (acpi_has_method(sony_nc_acpi_handle, + *item->acpiget)) { dprintk("Found %s getter: %s\n", item->name, *item->acpiget); item->devattr.attr.mode |= S_IRUGO; @@ -2833,9 +2824,8 @@ static int sony_nc_add(struct acpi_device *device) /* find the available acpiset as described in the DSDT */ for (; item->acpiset && *item->acpiset; ++item->acpiset) { - if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, - *item->acpiset, - &handle))) { + if (acpi_has_method(sony_nc_acpi_handle, + *item->acpiset)) { dprintk("Found %s setter: %s\n", item->name, *item->acpiset); item->devattr.attr.mode |= S_IWUSR; diff --git a/drivers/platform/x86/topstar-laptop.c b/drivers/platform/x86/topstar-laptop.c index 4ab618c63b45..67897c8740ba 100644 --- a/drivers/platform/x86/topstar-laptop.c +++ b/drivers/platform/x86/topstar-laptop.c @@ -80,13 +80,9 @@ static void acpi_topstar_notify(struct acpi_device *device, u32 event) static int acpi_topstar_fncx_switch(struct acpi_device *device, bool state) { acpi_status status; - union acpi_object fncx_params[1] = { - { .type = ACPI_TYPE_INTEGER } - }; - struct acpi_object_list fncx_arg_list = { 1, &fncx_params[0] }; - fncx_params[0].integer.value = state ? 0x86 : 0x87; - status = acpi_evaluate_object(device->handle, "FNCX", &fncx_arg_list, NULL); + status = acpi_execute_simple_method(device->handle, "FNCX", + state ? 0x86 : 0x87); if (ACPI_FAILURE(status)) { pr_err("Unable to switch FNCX notifications\n"); return -ENODEV; diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c index eb3467ea6d86..0cfadb65f7c6 100644 --- a/drivers/platform/x86/toshiba_acpi.c +++ b/drivers/platform/x86/toshiba_acpi.c @@ -191,16 +191,9 @@ static __inline__ void _set_bit(u32 * word, u32 mask, int value) static int write_acpi_int(const char *methodName, int val) { - struct acpi_object_list params; - union acpi_object in_objs[1]; acpi_status status; - params.count = ARRAY_SIZE(in_objs); - params.pointer = in_objs; - in_objs[0].type = ACPI_TYPE_INTEGER; - in_objs[0].integer.value = val; - - status = acpi_evaluate_object(NULL, (char *)methodName, ¶ms, NULL); + status = acpi_execute_simple_method(NULL, (char *)methodName, val); return (status == AE_OK) ? 0 : -EIO; } @@ -947,21 +940,17 @@ static void toshiba_acpi_hotkey_work(struct work_struct *work) */ static int toshiba_acpi_query_hotkey(struct toshiba_acpi_dev *dev) { - struct acpi_buffer buf; - union acpi_object out_obj; + unsigned long long value; acpi_status status; - buf.pointer = &out_obj; - buf.length = sizeof(out_obj); - - status = acpi_evaluate_object(dev->acpi_dev->handle, "INFO", - NULL, &buf); - if (ACPI_FAILURE(status) || out_obj.type != ACPI_TYPE_INTEGER) { + status = acpi_evaluate_integer(dev->acpi_dev->handle, "INFO", + NULL, &value); + if (ACPI_FAILURE(status)) { pr_err("ACPI INFO method execution failed\n"); return -EIO; } - return out_obj.integer.value; + return value; } static void toshiba_acpi_report_hotkey(struct toshiba_acpi_dev *dev, @@ -981,7 +970,7 @@ static void toshiba_acpi_report_hotkey(struct toshiba_acpi_dev *dev, static int toshiba_acpi_setup_keyboard(struct toshiba_acpi_dev *dev) { acpi_status status; - acpi_handle ec_handle, handle; + acpi_handle ec_handle; int error; u32 hci_result; @@ -1008,10 +997,7 @@ static int toshiba_acpi_setup_keyboard(struct toshiba_acpi_dev *dev) */ status = AE_ERROR; ec_handle = ec_get_handle(); - if (ec_handle) - status = acpi_get_handle(ec_handle, "NTFY", &handle); - - if (ACPI_SUCCESS(status)) { + if (ec_handle && acpi_has_method(ec_handle, "NTFY")) { INIT_WORK(&dev->hotkey_work, toshiba_acpi_hotkey_work); error = i8042_install_filter(toshiba_acpi_i8042_filter); @@ -1027,10 +1013,9 @@ static int toshiba_acpi_setup_keyboard(struct toshiba_acpi_dev *dev) * Determine hotkey query interface. Prefer using the INFO * method when it is available. */ - status = acpi_get_handle(dev->acpi_dev->handle, "INFO", &handle); - if (ACPI_SUCCESS(status)) { + if (acpi_has_method(dev->acpi_dev->handle, "INFO")) dev->info_supported = 1; - } else { + else { hci_write1(dev, HCI_SYSTEM_EVENT, 1, &hci_result); if (hci_result == HCI_SUCCESS) dev->system_event_supported = 1; @@ -1155,15 +1140,10 @@ static int toshiba_acpi_remove(struct acpi_device *acpi_dev) static const char *find_hci_method(acpi_handle handle) { - acpi_status status; - acpi_handle hci_handle; - - status = acpi_get_handle(handle, "GHCI", &hci_handle); - if (ACPI_SUCCESS(status)) + if (acpi_has_method(handle, "GHCI")) return "GHCI"; - status = acpi_get_handle(handle, "SPFC", &hci_handle); - if (ACPI_SUCCESS(status)) + if (acpi_has_method(handle, "SPFC")) return "SPFC"; return NULL; diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c index 601ea9512242..62e8c221d01e 100644 --- a/drivers/platform/x86/wmi.c +++ b/drivers/platform/x86/wmi.c @@ -252,8 +252,6 @@ static acpi_status wmi_method_enable(struct wmi_block *wblock, int enable) { struct guid_block *block = NULL; char method[5]; - struct acpi_object_list input; - union acpi_object params[1]; acpi_status status; acpi_handle handle; @@ -263,13 +261,9 @@ static acpi_status wmi_method_enable(struct wmi_block *wblock, int enable) if (!block) return AE_NOT_EXIST; - input.count = 1; - input.pointer = params; - params[0].type = ACPI_TYPE_INTEGER; - params[0].integer.value = enable; snprintf(method, 5, "WE%02X", block->notify_id); - status = acpi_evaluate_object(handle, method, &input, NULL); + status = acpi_execute_simple_method(handle, method, enable); if (status != AE_OK && status != AE_NOT_FOUND) return status; @@ -353,10 +347,10 @@ struct acpi_buffer *out) { struct guid_block *block = NULL; struct wmi_block *wblock = NULL; - acpi_handle handle, wc_handle; + acpi_handle handle; acpi_status status, wc_status = AE_ERROR; - struct acpi_object_list input, wc_input; - union acpi_object wc_params[1], wq_params[1]; + struct acpi_object_list input; + union acpi_object wq_params[1]; char method[5]; char wc_method[5] = "WC"; @@ -386,11 +380,6 @@ struct acpi_buffer *out) * enable collection. */ if (block->flags & ACPI_WMI_EXPENSIVE) { - wc_input.count = 1; - wc_input.pointer = wc_params; - wc_params[0].type = ACPI_TYPE_INTEGER; - wc_params[0].integer.value = 1; - strncat(wc_method, block->object_id, 2); /* @@ -398,10 +387,9 @@ struct acpi_buffer *out) * expensive, but have no corresponding WCxx method. So we * should not fail if this happens. */ - wc_status = acpi_get_handle(handle, wc_method, &wc_handle); - if (ACPI_SUCCESS(wc_status)) - wc_status = acpi_evaluate_object(handle, wc_method, - &wc_input, NULL); + if (acpi_has_method(handle, wc_method)) + wc_status = acpi_execute_simple_method(handle, + wc_method, 1); } strcpy(method, "WQ"); @@ -414,9 +402,7 @@ struct acpi_buffer *out) * the WQxx method failed - we should disable collection anyway. */ if ((block->flags & ACPI_WMI_EXPENSIVE) && ACPI_SUCCESS(wc_status)) { - wc_params[0].integer.value = 0; - status = acpi_evaluate_object(handle, - wc_method, &wc_input, NULL); + status = acpi_execute_simple_method(handle, wc_method, 0); } return status; diff --git a/drivers/pnp/pnpacpi/core.c b/drivers/pnp/pnpacpi/core.c index 34049b0b4c73..747826d99059 100644 --- a/drivers/pnp/pnpacpi/core.c +++ b/drivers/pnp/pnpacpi/core.c @@ -239,8 +239,6 @@ static char *__init pnpacpi_get_id(struct acpi_device *device) static int __init pnpacpi_add_device(struct acpi_device *device) { - acpi_handle temp = NULL; - acpi_status status; struct pnp_dev *dev; char *pnpid; struct acpi_hardware_id *id; @@ -253,8 +251,7 @@ static int __init pnpacpi_add_device(struct acpi_device *device) * If a PnPacpi device is not present , the device * driver should not be loaded. */ - status = acpi_get_handle(device->handle, "_CRS", &temp); - if (ACPI_FAILURE(status)) + if (!acpi_has_method(device->handle, "_CRS")) return 0; pnpid = pnpacpi_get_id(device); @@ -271,16 +268,14 @@ static int __init pnpacpi_add_device(struct acpi_device *device) dev->data = device; /* .enabled means the device can decode the resources */ dev->active = device->status.enabled; - status = acpi_get_handle(device->handle, "_SRS", &temp); - if (ACPI_SUCCESS(status)) + if (acpi_has_method(device->handle, "_SRS")) dev->capabilities |= PNP_CONFIGURABLE; dev->capabilities |= PNP_READ; if (device->flags.dynamic_status && (dev->capabilities & PNP_CONFIGURABLE)) dev->capabilities |= PNP_WRITE; if (device->flags.removable) dev->capabilities |= PNP_REMOVABLE; - status = acpi_get_handle(device->handle, "_DIS", &temp); - if (ACPI_SUCCESS(status)) + if (acpi_has_method(device->handle, "_DIS")) dev->capabilities |= PNP_DISABLE; if (strlen(acpi_device_name(device))) |