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power: supply: core: use power_supply_for_each_psy()

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Simplify the callbacks by removing the need to convert a 'struct device'
into a 'struct power_supply'.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20241210-power-supply-dev_to_psy-v2-3-9d8c9d24cfe4@weissschuh.net
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
This commit is contained in:
Thomas Weißschuh
2024-12-10 22:55:50 +01:00
committed by Sebastian Reichel
parent 9029409d1a
commit 68abaf7323
1 changed files with 15 additions and 21 deletions
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36
drivers/power/supply/power_supply_core.c
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@@ -66,10 +66,9 @@ static bool __power_supply_is_supplied_by(struct power_supply *supplier,
return false;
}
static int __power_supply_changed_work(struct device *dev, void *data)
static int __power_supply_changed_work(struct power_supply *pst, void *data)
{
struct power_supply *psy = data;
struct power_supply *pst = dev_get_drvdata(dev);
if (__power_supply_is_supplied_by(psy, pst)) {
if (pst->desc->external_power_changed)
@@ -98,7 +97,7 @@ static void power_supply_changed_work(struct work_struct *work)
if (likely(psy->changed)) {
psy->changed = false;
spin_unlock_irqrestore(&psy->changed_lock, flags);
power_supply_for_each_device(psy, __power_supply_changed_work);
power_supply_for_each_psy(psy, __power_supply_changed_work);
power_supply_update_leds(psy);
blocking_notifier_call_chain(&power_supply_notifier,
PSY_EVENT_PROP_CHANGED, psy);
@@ -190,11 +189,10 @@ static void power_supply_deferred_register_work(struct work_struct *work)
}
#ifdef CONFIG_OF
static int __power_supply_populate_supplied_from(struct device *dev,
static int __power_supply_populate_supplied_from(struct power_supply *epsy,
void *data)
{
struct power_supply *psy = data;
struct power_supply *epsy = dev_get_drvdata(dev);
struct device_node *np;
int i = 0;
@@ -221,20 +219,19 @@ static int power_supply_populate_supplied_from(struct power_supply *psy)
{
int error;
error = power_supply_for_each_device(psy, __power_supply_populate_supplied_from);
error = power_supply_for_each_psy(psy, __power_supply_populate_supplied_from);
dev_dbg(&psy->dev, "%s %d\n", __func__, error);
return error;
}
static int __power_supply_find_supply_from_node(struct device *dev,
static int __power_supply_find_supply_from_node(struct power_supply *epsy,
void *data)
{
struct device_node *np = data;
struct power_supply *epsy = dev_get_drvdata(dev);
/* returning non-zero breaks out of power_supply_for_each_device loop */
/* returning non-zero breaks out of power_supply_for_each_psy loop */
if (epsy->of_node == np)
return 1;
@@ -246,16 +243,16 @@ static int power_supply_find_supply_from_node(struct device_node *supply_node)
int error;
/*
* power_supply_for_each_device() either returns its own errors or values
* power_supply_for_each_psy() either returns its own errors or values
* returned by __power_supply_find_supply_from_node().
*
* __power_supply_find_supply_from_node() will return 0 (no match)
* or 1 (match).
*
* We return 0 if power_supply_for_each_device() returned 1, -EPROBE_DEFER if
* We return 0 if power_supply_for_each_psy() returned 1, -EPROBE_DEFER if
* it returned 0, or error as returned by it.
*/
error = power_supply_for_each_device(supply_node, __power_supply_find_supply_from_node);
error = power_supply_for_each_psy(supply_node, __power_supply_find_supply_from_node);
return error ? (error == 1 ? 0 : error) : -EPROBE_DEFER;
}
@@ -340,10 +337,9 @@ struct psy_am_i_supplied_data {
unsigned int count;
};
static int __power_supply_am_i_supplied(struct device *dev, void *_data)
static int __power_supply_am_i_supplied(struct power_supply *epsy, void *_data)
{
union power_supply_propval ret = {0,};
struct power_supply *epsy = dev_get_drvdata(dev);
struct psy_am_i_supplied_data *data = _data;
if (__power_supply_is_supplied_by(epsy, data->psy)) {
@@ -361,7 +357,7 @@ int power_supply_am_i_supplied(struct power_supply *psy)
struct psy_am_i_supplied_data data = { psy, 0 };
int error;
error = power_supply_for_each_device(&data, __power_supply_am_i_supplied);
error = power_supply_for_each_psy(&data, __power_supply_am_i_supplied);
dev_dbg(&psy->dev, "%s count %u err %d\n", __func__, data.count, error);
@@ -372,10 +368,9 @@ int power_supply_am_i_supplied(struct power_supply *psy)
}
EXPORT_SYMBOL_GPL(power_supply_am_i_supplied);
static int __power_supply_is_system_supplied(struct device *dev, void *data)
static int __power_supply_is_system_supplied(struct power_supply *psy, void *data)
{
union power_supply_propval ret = {0,};
struct power_supply *psy = dev_get_drvdata(dev);
unsigned int *count = data;
if (!psy->desc->get_property(psy, POWER_SUPPLY_PROP_SCOPE, &ret))
@@ -396,7 +391,7 @@ int power_supply_is_system_supplied(void)
int error;
unsigned int count = 0;
error = power_supply_for_each_device(&count, __power_supply_is_system_supplied);
error = power_supply_for_each_psy(&count, __power_supply_is_system_supplied);
/*
* If no system scope power class device was found at all, most probably we
@@ -415,9 +410,8 @@ struct psy_get_supplier_prop_data {
union power_supply_propval *val;
};
static int __power_supply_get_supplier_property(struct device *dev, void *_data)
static int __power_supply_get_supplier_property(struct power_supply *epsy, void *_data)
{
struct power_supply *epsy = dev_get_drvdata(dev);
struct psy_get_supplier_prop_data *data = _data;
if (__power_supply_is_supplied_by(epsy, data->psy))
@@ -442,7 +436,7 @@ int power_supply_get_property_from_supplier(struct power_supply *psy,
* This function is not intended for use with a supply with multiple
* suppliers, we simply pick the first supply to report the psp.
*/
ret = power_supply_for_each_device(&data, __power_supply_get_supplier_property);
ret = power_supply_for_each_psy(&data, __power_supply_get_supplier_property);
if (ret < 0)
return ret;
if (ret == 0)