[PATCH 4/5] ACPI: battery: Allow for passing data to battery hooks.
From: Armin Wolf
Date: Mon Sep 12 2022 - 08:54:25 EST
Since a driver may register multiple instances of a
battery hook, passing data to each instance is
convenient.
Signed-off-by: Armin Wolf <W_Armin@xxxxxx>
---
drivers/acpi/battery.c | 11 ++++++-----
drivers/platform/x86/asus-wmi.c | 7 ++++---
drivers/platform/x86/huawei-wmi.c | 6 +++---
drivers/platform/x86/lg-laptop.c | 6 +++---
drivers/platform/x86/system76_acpi.c | 6 +++---
drivers/platform/x86/thinkpad_acpi.c | 6 +++---
include/acpi/battery.h | 7 ++++---
7 files changed, 26 insertions(+), 23 deletions(-)
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 15bb5d868a56..396a7324216c 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -696,7 +696,7 @@ void battery_hook_unregister(struct acpi_battery_hook *hook)
mutex_lock(&hook_mutex);
list_for_each_entry(battery, &acpi_battery_list, list) {
- hook->ops->remove_battery(battery->bat);
+ hook->ops->remove_battery(hook->data, battery->bat);
}
list_del(&hook->list);
@@ -706,7 +706,7 @@ void battery_hook_unregister(struct acpi_battery_hook *hook)
}
EXPORT_SYMBOL_GPL(battery_hook_unregister);
-struct acpi_battery_hook *battery_hook_register(const char *name,
+struct acpi_battery_hook *battery_hook_register(const char *name, void *data,
const struct acpi_battery_hook_ops *ops)
{
struct acpi_battery_hook *hook = kzalloc(sizeof(*hook), GFP_KERNEL);
@@ -716,6 +716,7 @@ struct acpi_battery_hook *battery_hook_register(const char *name,
return ERR_PTR(-ENOMEM);
hook->name = name;
+ hook->data = data;
hook->ops = ops;
mutex_lock(&hook_mutex);
@@ -728,7 +729,7 @@ struct acpi_battery_hook *battery_hook_register(const char *name,
* its attributes.
*/
list_for_each_entry(battery, &acpi_battery_list, list) {
- hook->ops->add_battery(battery->bat);
+ hook->ops->add_battery(hook->data, battery->bat);
}
pr_info("new extension: %s\n", hook->name);
@@ -758,7 +759,7 @@ static void battery_hook_add_battery(struct acpi_battery *battery)
* during the battery module initialization.
*/
list_for_each_entry_safe(hook_node, tmp, &battery_hook_list, list) {
- hook_node->ops->add_battery(battery->bat);
+ hook_node->ops->add_battery(hook_node->data, battery->bat);
}
mutex_unlock(&hook_mutex);
}
@@ -773,7 +774,7 @@ static void battery_hook_remove_battery(struct acpi_battery *battery)
* custom attributes from the battery.
*/
list_for_each_entry(hook, &battery_hook_list, list) {
- hook->ops->remove_battery(battery->bat);
+ hook->ops->remove_battery(hook->data, battery->bat);
}
/* Then, just remove the battery from the list */
list_del(&battery->list);
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index 37d8649418f4..18afcf38931f 100644
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -882,7 +882,7 @@ static ssize_t charge_control_end_threshold_show(struct device *device,
static DEVICE_ATTR_RW(charge_control_end_threshold);
-static int asus_wmi_battery_add(struct power_supply *battery)
+static int asus_wmi_battery_add(void *data, struct power_supply *battery)
{
/* The WMI method does not provide a way to specific a battery, so we
* just assume it is the first battery.
@@ -909,7 +909,7 @@ static int asus_wmi_battery_add(struct power_supply *battery)
return 0;
}
-static int asus_wmi_battery_remove(struct power_supply *battery)
+static int asus_wmi_battery_remove(void *data, struct power_supply *battery)
{
device_remove_file(&battery->dev,
&dev_attr_charge_control_end_threshold);
@@ -924,7 +924,8 @@ static const struct acpi_battery_hook_ops battery_hook_ops = {
static void asus_wmi_battery_init(struct asus_wmi *asus)
{
if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_RSOC)) {
- asus->hook = battery_hook_register("ASUS Battery Extension", &battery_hook_ops);
+ asus->hook = battery_hook_register("ASUS Battery Extension", NULL,
+ &battery_hook_ops);
}
}
diff --git a/drivers/platform/x86/huawei-wmi.c b/drivers/platform/x86/huawei-wmi.c
index 6fd02b25a97b..f23806299c1a 100644
--- a/drivers/platform/x86/huawei-wmi.c
+++ b/drivers/platform/x86/huawei-wmi.c
@@ -469,7 +469,7 @@ static DEVICE_ATTR_RW(charge_control_start_threshold);
static DEVICE_ATTR_RW(charge_control_end_threshold);
static DEVICE_ATTR_RW(charge_control_thresholds);
-static int huawei_wmi_battery_add(struct power_supply *battery)
+static int huawei_wmi_battery_add(void *data, struct power_supply *battery)
{
int err = 0;
@@ -484,7 +484,7 @@ static int huawei_wmi_battery_add(struct power_supply *battery)
return err;
}
-static int huawei_wmi_battery_remove(struct power_supply *battery)
+static int huawei_wmi_battery_remove(void *data, struct power_supply *battery)
{
device_remove_file(&battery->dev, &dev_attr_charge_control_start_threshold);
device_remove_file(&battery->dev, &dev_attr_charge_control_end_threshold);
@@ -507,7 +507,7 @@ static void huawei_wmi_battery_setup(struct device *dev)
return;
}
- huawei->hook = battery_hook_register("Huawei Battery Extension",
+ huawei->hook = battery_hook_register("Huawei Battery Extension", NULL,
&huawei_wmi_battery_hook_ops);
device_create_file(dev, &dev_attr_charge_control_thresholds);
}
diff --git a/drivers/platform/x86/lg-laptop.c b/drivers/platform/x86/lg-laptop.c
index d8a61a07313e..f1abb1924150 100644
--- a/drivers/platform/x86/lg-laptop.c
+++ b/drivers/platform/x86/lg-laptop.c
@@ -547,7 +547,7 @@ static DEVICE_ATTR_RW(fn_lock);
static DEVICE_ATTR_RW(charge_control_end_threshold);
static DEVICE_ATTR_RW(battery_care_limit);
-static int lg_battery_add(struct power_supply *battery)
+static int lg_battery_add(void *data, struct power_supply *battery)
{
if (device_create_file(&battery->dev,
&dev_attr_charge_control_end_threshold))
@@ -556,7 +556,7 @@ static int lg_battery_add(struct power_supply *battery)
return 0;
}
-static int lg_battery_remove(struct power_supply *battery)
+static int lg_battery_remove(void *data, struct power_supply *battery)
{
device_remove_file(&battery->dev,
&dev_attr_charge_control_end_threshold);
@@ -750,7 +750,7 @@ static int acpi_add(struct acpi_device *device)
led_classdev_register(&pf_device->dev, &tpad_led);
wmi_input_setup();
- hook = battery_hook_register("LG Battery Extension", &battery_hook_ops);
+ hook = battery_hook_register("LG Battery Extension", NULL, &battery_hook_ops);
return 0;
diff --git a/drivers/platform/x86/system76_acpi.c b/drivers/platform/x86/system76_acpi.c
index 1ec22db32bd0..9414b9491806 100644
--- a/drivers/platform/x86/system76_acpi.c
+++ b/drivers/platform/x86/system76_acpi.c
@@ -255,7 +255,7 @@ static struct attribute *system76_battery_attrs[] = {
ATTRIBUTE_GROUPS(system76_battery);
-static int system76_battery_add(struct power_supply *battery)
+static int system76_battery_add(void *data, struct power_supply *battery)
{
// System76 EC only supports 1 battery
if (strcmp(battery->desc->name, "BAT0") != 0)
@@ -267,7 +267,7 @@ static int system76_battery_add(struct power_supply *battery)
return 0;
}
-static int system76_battery_remove(struct power_supply *battery)
+static int system76_battery_remove(void *data, struct power_supply *battery)
{
device_remove_groups(&battery->dev, system76_battery_groups);
return 0;
@@ -280,7 +280,7 @@ static const struct acpi_battery_hook_ops system76_battery_hook_ops = {
static void system76_battery_init(struct system76_data *data)
{
- data->hook = battery_hook_register("System76 Battery Extension",
+ data->hook = battery_hook_register("System76 Battery Extension", NULL,
&system76_battery_hook_ops);
}
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 8adafc3c31fa..6008d88e0727 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -9898,7 +9898,7 @@ ATTRIBUTE_GROUPS(tpacpi_battery);
/* ACPI battery hooking */
-static int tpacpi_battery_add(struct power_supply *battery)
+static int tpacpi_battery_add(void *data, struct power_supply *battery)
{
int batteryid = tpacpi_battery_get_id(battery->desc->name);
@@ -9909,7 +9909,7 @@ static int tpacpi_battery_add(struct power_supply *battery)
return 0;
}
-static int tpacpi_battery_remove(struct power_supply *battery)
+static int tpacpi_battery_remove(void *data, struct power_supply *battery)
{
device_remove_groups(&battery->dev, tpacpi_battery_groups);
return 0;
@@ -9943,7 +9943,7 @@ static int __init tpacpi_battery_init(struct ibm_init_struct *ibm)
battery_quirk_table,
ARRAY_SIZE(battery_quirk_table));
- battery_info.hook = battery_hook_register("ThinkPad Battery Extension",
+ battery_info.hook = battery_hook_register("ThinkPad Battery Extension", NULL,
&battery_hook_ops);
return 0;
diff --git a/include/acpi/battery.h b/include/acpi/battery.h
index b3c81abada1e..cca401b793b2 100644
--- a/include/acpi/battery.h
+++ b/include/acpi/battery.h
@@ -11,17 +11,18 @@
#define ACPI_BATTERY_NOTIFY_THRESHOLD 0x82
struct acpi_battery_hook_ops {
- int (*add_battery)(struct power_supply *battery);
- int (*remove_battery)(struct power_supply *battery);
+ int (*add_battery)(void *data, struct power_supply *battery);
+ int (*remove_battery)(void *data, struct power_supply *battery);
};
struct acpi_battery_hook {
const char *name;
const struct acpi_battery_hook_ops *ops;
+ void *data;
struct list_head list;
};
-struct acpi_battery_hook *battery_hook_register(const char *name,
+struct acpi_battery_hook *battery_hook_register(const char *name, void *data,
const struct acpi_battery_hook_ops *hook);
void battery_hook_unregister(struct acpi_battery_hook *hook);
--
2.30.2