[PATCH 7/9] ACPI: SBS: Add ACPI_PROCFS around procfs handling code.

Alexey Starikovskiy
2007-08-31T20:11:51Z

From: Alexey Starikovskiy <aystarik@gmail.com>

Make procfs support optional under ACPI_PROCFS

Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
---

drivers/acpi/sbs.c | 25 +++++++++++++++++++++++++
1 files changed, 25 insertions(+), 0 deletions(-)

diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c
index 74abfd3..21a65f9 100644
--- a/drivers/acpi/sbs.c
+++ b/drivers/acpi/sbs.c
@@ -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>
@@ -91,7 +93,9 @@ struct acpi_battery {
struct power_supply bat;
#endif
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];
@@ -125,7 +129,9 @@ 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;
@@ -389,6 +395,8 @@ 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,
@@ -425,6 +433,8 @@ 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;
@@ -441,6 +451,7 @@ 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,
@@ -714,6 +725,8 @@ static struct file_operations acpi_ac_state_fops = {
.owner = THIS_MODULE,
};

+#endif
+
/* --------------------------------------------------------------------------
Driver Interface
-------------------------------------------------------------------------- */
@@ -759,10 +772,12 @@ 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
#ifdef ENABLE_POWER_SUPPLY
battery->bat.name = battery->name;
battery->bat.type = POWER_SUPPLY_TYPE_BATTERY;
@@ -790,10 +805,12 @@ static void acpi_battery_remove(struct acpi_sbs *sbs, int id)
if (sbs->battery[id].bat.dev)
power_supply_unregister(&sbs->battery[id].bat);
#endif
+#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)
@@ -803,11 +820,13 @@ 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
#ifdef ENABLE_POWER_SUPPLY
sbs->charger.name = "sbs-charger";
sbs->charger.type = POWER_SUPPLY_TYPE_MAINS;
@@ -829,8 +848,10 @@ static void acpi_charger_remove(struct acpi_sbs *sbs)
if (sbs->charger.dev)
power_supply_unregister(&sbs->charger);
#endif
+#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)
@@ -933,6 +954,7 @@ 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;
@@ -941,6 +963,7 @@ 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)
@@ -970,6 +993,7 @@ 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;
@@ -978,6 +1002,7 @@ 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();