ACPI: SBS: Add ACPI_PROCFS around procfs handling code.
Make procfs support optional under ACPI_PROCFS Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
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94f6c08601
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66e4b72bfa
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@ -29,9 +29,11 @@
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#include <linux/moduleparam.h>
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#include <linux/kernel.h>
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#ifdef CONFIG_ACPI_PROCFS
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#include <linux/proc_fs.h>
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#include <linux/seq_file.h>
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#include <asm/uaccess.h>
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#endif
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#include <linux/acpi.h>
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#include <linux/timer.h>
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@ -86,7 +88,9 @@ MODULE_DEVICE_TABLE(acpi, sbs_device_ids);
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struct acpi_battery {
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struct power_supply bat;
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struct acpi_sbs *sbs;
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#ifdef CONFIG_ACPI_PROCFS
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struct proc_dir_entry *proc_entry;
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#endif
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unsigned long update_time;
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char name[8];
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char manufacturer_name[ACPI_SBS_BLOCK_MAX];
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@ -118,7 +122,9 @@ struct acpi_sbs {
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struct acpi_device *device;
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struct acpi_smb_hc *hc;
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struct mutex lock;
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#ifdef CONFIG_ACPI_PROCFS
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struct proc_dir_entry *charger_entry;
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#endif
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struct acpi_battery battery[MAX_SBS_BAT];
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u8 batteries_supported:4;
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u8 manager_present:1;
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@ -380,6 +386,8 @@ static int acpi_battery_get_state(struct acpi_battery *battery)
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return result;
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}
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#ifdef CONFIG_ACPI_PROCFS
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static int acpi_battery_get_alarm(struct acpi_battery *battery)
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{
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return acpi_smbus_read(battery->sbs->hc, SMBUS_READ_WORD,
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@ -416,6 +424,8 @@ static int acpi_battery_set_alarm(struct acpi_battery *battery)
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return ret;
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}
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#endif
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static int acpi_ac_get_present(struct acpi_sbs *sbs)
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{
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int result;
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@ -432,6 +442,7 @@ static int acpi_ac_get_present(struct acpi_sbs *sbs)
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FS Interface (/proc/acpi)
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-------------------------------------------------------------------------- */
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#ifdef CONFIG_ACPI_PROCFS
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/* Generic Routines */
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static int
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acpi_sbs_add_fs(struct proc_dir_entry **dir,
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@ -705,6 +716,8 @@ static struct file_operations acpi_ac_state_fops = {
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.owner = THIS_MODULE,
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};
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#endif
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/* --------------------------------------------------------------------------
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Driver Interface
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-------------------------------------------------------------------------- */
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@ -750,10 +763,12 @@ static int acpi_battery_add(struct acpi_sbs *sbs, int id)
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return result;
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sprintf(battery->name, ACPI_BATTERY_DIR_NAME, id);
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#ifdef CONFIG_ACPI_PROCFS
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acpi_sbs_add_fs(&battery->proc_entry, acpi_battery_dir,
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battery->name, &acpi_battery_info_fops,
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&acpi_battery_state_fops, &acpi_battery_alarm_fops,
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battery);
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#endif
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battery->bat.name = battery->name;
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battery->bat.type = POWER_SUPPLY_TYPE_BATTERY;
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if (!acpi_battery_mode(battery)) {
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@ -777,10 +792,12 @@ static void acpi_battery_remove(struct acpi_sbs *sbs, int id)
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{
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if (sbs->battery[id].bat.dev)
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power_supply_unregister(&sbs->battery[id].bat);
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#ifdef CONFIG_ACPI_PROCFS
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if (sbs->battery[id].proc_entry) {
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acpi_sbs_remove_fs(&(sbs->battery[id].proc_entry),
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acpi_battery_dir);
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}
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#endif
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}
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static int acpi_charger_add(struct acpi_sbs *sbs)
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@ -790,11 +807,13 @@ static int acpi_charger_add(struct acpi_sbs *sbs)
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result = acpi_ac_get_present(sbs);
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if (result)
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goto end;
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#ifdef CONFIG_ACPI_PROCFS
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result = acpi_sbs_add_fs(&sbs->charger_entry, acpi_ac_dir,
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ACPI_AC_DIR_NAME, NULL,
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&acpi_ac_state_fops, NULL, sbs);
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if (result)
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goto end;
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#endif
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sbs->charger.name = "sbs-charger";
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sbs->charger.type = POWER_SUPPLY_TYPE_MAINS;
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sbs->charger.properties = sbs_ac_props;
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@ -812,8 +831,10 @@ static void acpi_charger_remove(struct acpi_sbs *sbs)
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{
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if (sbs->charger.dev)
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power_supply_unregister(&sbs->charger);
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#ifdef CONFIG_ACPI_PROCFS
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if (sbs->charger_entry)
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acpi_sbs_remove_fs(&sbs->charger_entry, acpi_ac_dir);
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#endif
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}
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void acpi_sbs_callback(void *context)
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@ -916,6 +937,7 @@ static int acpi_sbs_remove(struct acpi_device *device, int type)
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static void acpi_sbs_rmdirs(void)
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{
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#ifdef CONFIG_ACPI_PROCFS
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if (acpi_ac_dir) {
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acpi_unlock_ac_dir(acpi_ac_dir);
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acpi_ac_dir = NULL;
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@ -924,6 +946,7 @@ static void acpi_sbs_rmdirs(void)
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acpi_unlock_battery_dir(acpi_battery_dir);
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acpi_battery_dir = NULL;
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}
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#endif
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}
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static int acpi_sbs_resume(struct acpi_device *device)
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@ -953,6 +976,7 @@ static int __init acpi_sbs_init(void)
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if (acpi_disabled)
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return -ENODEV;
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#ifdef CONFIG_ACPI_PROCFS
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acpi_ac_dir = acpi_lock_ac_dir();
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if (!acpi_ac_dir)
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return -ENODEV;
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@ -961,6 +985,7 @@ static int __init acpi_sbs_init(void)
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acpi_sbs_rmdirs();
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return -ENODEV;
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}
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#endif
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result = acpi_bus_register_driver(&acpi_sbs_driver);
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if (result < 0) {
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acpi_sbs_rmdirs();
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