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Message-Id: <20241208-power-supply-dev_to_psy-v1-3-f95de9117558@weissschuh.net>
Date: Sun, 08 Dec 2024 14:02:35 +0100
From: Thomas Weißschuh <linux@...ssschuh.net>
To: Sebastian Reichel <sre@...nel.org>,
Linus Walleij <linus.walleij@...aro.org>,
Maximilian Luz <luzmaximilian@...il.com>,
Pali Rohár <pali@...nel.org>,
Konrad Dybcio <konradybcio@...nel.org>
Cc: linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
platform-driver-x86@...r.kernel.org,
Thomas Weißschuh <linux@...ssschuh.net>
Subject: [PATCH 03/14] power: supply: core: use power_supply_for_each_psy()
Simplify the callbacks by removing the need to convert a 'struct device'
into a 'struct power_supply'.
Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
---
drivers/power/supply/power_supply_core.c | 36 +++++++++++++-------------------
1 file changed, 15 insertions(+), 21 deletions(-)
diff --git a/drivers/power/supply/power_supply_core.c b/drivers/power/supply/power_supply_core.c
index 48bc968ff6c54d4b196c3faf450ef6464cdb305d..9adea87c69124f7025a06fe7550892392e28cd65 100644
--- a/drivers/power/supply/power_supply_core.c
+++ b/drivers/power/supply/power_supply_core.c
@@ -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)
--
2.47.1
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