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ACPI: SBS: Add ACPI_PROCFS around procfs handling code.

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Make procfs support optional under ACPI_PROCFS

Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Alexey Starikovskiy 2007-09-26 19:43:54 +04:00 committed by Len Brown
parent 94f6c08601
commit 66e4b72bfa
1 changed files with 25 additions and 0 deletions
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25
drivers/acpi/sbs.c
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@ -29,9 +29,11 @@
#include <linux/moduleparam.h>
#include <linux/kernel.h>
#ifdef CONFIG_ACPI_PROCFS
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <asm/uaccess.h>
#endif
#include <linux/acpi.h>
#include <linux/timer.h>
@ -86,7 +88,9 @@ MODULE_DEVICE_TABLE(acpi, sbs_device_ids);
struct acpi_battery {
struct power_supply bat;
struct acpi_sbs *sbs;
#ifdef CONFIG_ACPI_PROCFS
struct proc_dir_entry *proc_entry;
#endif
unsigned long update_time;
char name[8];
char manufacturer_name[ACPI_SBS_BLOCK_MAX];
@ -118,7 +122,9 @@ struct acpi_sbs {
struct acpi_device *device;
struct acpi_smb_hc *hc;
struct mutex lock;
#ifdef CONFIG_ACPI_PROCFS
struct proc_dir_entry *charger_entry;
#endif
struct acpi_battery battery[MAX_SBS_BAT];
u8 batteries_supported:4;
u8 manager_present:1;
@ -380,6 +386,8 @@ static int acpi_battery_get_state(struct acpi_battery *battery)
return result;
}
#ifdef CONFIG_ACPI_PROCFS
static int acpi_battery_get_alarm(struct acpi_battery *battery)
{
return acpi_smbus_read(battery->sbs->hc, SMBUS_READ_WORD,
@ -416,6 +424,8 @@ static int acpi_battery_set_alarm(struct acpi_battery *battery)
return ret;
}
#endif
static int acpi_ac_get_present(struct acpi_sbs *sbs)
{
int result;
@ -432,6 +442,7 @@ static int acpi_ac_get_present(struct acpi_sbs *sbs)
FS Interface (/proc/acpi)
-------------------------------------------------------------------------- */
#ifdef CONFIG_ACPI_PROCFS
/* Generic Routines */
static int
acpi_sbs_add_fs(struct proc_dir_entry **dir,
@ -705,6 +716,8 @@ static struct file_operations acpi_ac_state_fops = {
.owner = THIS_MODULE,
};
#endif
/* --------------------------------------------------------------------------
Driver Interface
-------------------------------------------------------------------------- */
@ -750,10 +763,12 @@ 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
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)) {
@ -777,10 +792,12 @@ static void acpi_battery_remove(struct acpi_sbs *sbs, int id)
{
if (sbs->battery[id].bat.dev)
power_supply_unregister(&sbs->battery[id].bat);
#ifdef CONFIG_ACPI_PROCFS
if (sbs->battery[id].proc_entry) {
acpi_sbs_remove_fs(&(sbs->battery[id].proc_entry),
acpi_battery_dir);
}
#endif
}
static int acpi_charger_add(struct acpi_sbs *sbs)
@ -790,11 +807,13 @@ static int acpi_charger_add(struct acpi_sbs *sbs)
result = acpi_ac_get_present(sbs);
if (result)
goto end;
#ifdef CONFIG_ACPI_PROCFS
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;
@ -812,8 +831,10 @@ static void acpi_charger_remove(struct acpi_sbs *sbs)
{
if (sbs->charger.dev)
power_supply_unregister(&sbs->charger);
#ifdef CONFIG_ACPI_PROCFS
if (sbs->charger_entry)
acpi_sbs_remove_fs(&sbs->charger_entry, acpi_ac_dir);
#endif
}
void acpi_sbs_callback(void *context)
@ -916,6 +937,7 @@ static int acpi_sbs_remove(struct acpi_device *device, int type)
static void acpi_sbs_rmdirs(void)
{
#ifdef CONFIG_ACPI_PROCFS
if (acpi_ac_dir) {
acpi_unlock_ac_dir(acpi_ac_dir);
acpi_ac_dir = NULL;
@ -924,6 +946,7 @@ static void acpi_sbs_rmdirs(void)
acpi_unlock_battery_dir(acpi_battery_dir);
acpi_battery_dir = NULL;
}
#endif
}
static int acpi_sbs_resume(struct acpi_device *device)
@ -953,6 +976,7 @@ static int __init acpi_sbs_init(void)
if (acpi_disabled)
return -ENODEV;
#ifdef CONFIG_ACPI_PROCFS
acpi_ac_dir = acpi_lock_ac_dir();
if (!acpi_ac_dir)
return -ENODEV;
@ -961,6 +985,7 @@ static int __init acpi_sbs_init(void)
acpi_sbs_rmdirs();
return -ENODEV;
}
#endif
result = acpi_bus_register_driver(&acpi_sbs_driver);
if (result < 0) {
acpi_sbs_rmdirs();