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power: supply: core: convert to fwnnode

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Replace any DT specific code with fwnode in the power-supply
core.

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Hans de Goede <hansg@kernel.org>
Link: https://lore.kernel.org/r/20250430-psy-core-convert-to-fwnode-v2-4-f9643b958677@collabora.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
This commit is contained in:
Sebastian Reichel 2025-06-08 22:40:06 +02:00
parent 570ba047a6
commit f368f87b22
3 changed files with 34 additions and 35 deletions
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2
drivers/power/supply/bq2415x_charger.c
View File

@ -1674,7 +1674,7 @@ static int bq2415x_probe(struct i2c_client *client)
/* Query for initial reported_mode and set it */
if (bq->nb.notifier_call) {
if (np) {
notify_psy = power_supply_get_by_phandle(np,
notify_psy = power_supply_get_by_phandle(of_fwnode_handle(np),
"ti,usb-charger-detection");
if (IS_ERR(notify_psy))
notify_psy = NULL;

65
drivers/power/supply/power_supply_core.c
View File

@ -18,7 +18,6 @@
#include <linux/device.h>
#include <linux/notifier.h>
#include <linux/err.h>
#include <linux/of.h>
#include <linux/power_supply.h>
#include <linux/property.h>
#include <linux/thermal.h>
@ -196,24 +195,24 @@ static int __power_supply_populate_supplied_from(struct power_supply *epsy,
void *data)
{
struct power_supply *psy = data;
struct device_node *np;
struct fwnode_handle *np;
int i = 0;
do {
np = of_parse_phandle(psy->dev.of_node, "power-supplies", i++);
if (!np)
np = fwnode_find_reference(psy->dev.fwnode, "power-supplies", i++);
if (IS_ERR(np))
break;
if (np == epsy->dev.of_node) {
if (np == epsy->dev.fwnode) {
dev_dbg(&psy->dev, "%s: Found supply : %s\n",
psy->desc->name, epsy->desc->name);
psy->supplied_from[i-1] = (char *)epsy->desc->name;
psy->num_supplies++;
of_node_put(np);
fwnode_handle_put(np);
break;
}
of_node_put(np);
} while (np);
fwnode_handle_put(np);
} while (!IS_ERR(np));
return 0;
}
@ -232,16 +231,16 @@ static int power_supply_populate_supplied_from(struct power_supply *psy)
static int __power_supply_find_supply_from_node(struct power_supply *epsy,
void *data)
{
struct device_node *np = data;
struct fwnode_handle *fwnode = data;
/* returning non-zero breaks out of power_supply_for_each_psy loop */
if (epsy->dev.of_node == np)
if (epsy->dev.fwnode == fwnode)
return 1;
return 0;
}
static int power_supply_find_supply_from_node(struct device_node *supply_node)
static int power_supply_find_supply_from_fwnode(struct fwnode_handle *supply_node)
{
int error;
@ -249,7 +248,7 @@ static int power_supply_find_supply_from_node(struct device_node *supply_node)
* 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)
* __power_supply_find_supply_from_fwnode() will return 0 (no match)
* or 1 (match).
*
* We return 0 if power_supply_for_each_psy() returned 1, -EPROBE_DEFER if
@ -262,7 +261,7 @@ static int power_supply_find_supply_from_node(struct device_node *supply_node)
static int power_supply_check_supplies(struct power_supply *psy)
{
struct device_node *np;
struct fwnode_handle *np;
int cnt = 0;
/* If there is already a list honor it */
@ -270,24 +269,24 @@ static int power_supply_check_supplies(struct power_supply *psy)
return 0;
/* No device node found, nothing to do */
if (!psy->dev.of_node)
if (!psy->dev.fwnode)
return 0;
do {
int ret;
np = of_parse_phandle(psy->dev.of_node, "power-supplies", cnt++);
if (!np)
np = fwnode_find_reference(psy->dev.fwnode, "power-supplies", cnt++);
if (IS_ERR(np))
break;
ret = power_supply_find_supply_from_node(np);
of_node_put(np);
ret = power_supply_find_supply_from_fwnode(np);
fwnode_handle_put(np);
if (ret) {
dev_dbg(&psy->dev, "Failed to find supply!\n");
return ret;
}
} while (np);
} while (!IS_ERR(np));
/* Missing valid "power-supplies" entries */
if (cnt == 1)
@ -498,14 +497,14 @@ void power_supply_put(struct power_supply *psy)
EXPORT_SYMBOL_GPL(power_supply_put);
#ifdef CONFIG_OF
static int power_supply_match_device_node(struct device *dev, const void *data)
static int power_supply_match_device_fwnode(struct device *dev, const void *data)
{
return dev->parent && dev->parent->of_node == data;
return dev->parent && dev_fwnode(dev->parent) == data;
}
/**
* power_supply_get_by_phandle() - Search for a power supply and returns its ref
* @np: Pointer to device node holding phandle property
* @fwnode: Pointer to fwnode holding phandle property
* @property: Name of property holding a power supply name
*
* If power supply was found, it increases reference count for the
@ -515,21 +514,21 @@ static int power_supply_match_device_node(struct device *dev, const void *data)
* Return: On success returns a reference to a power supply with
* matching name equals to value under @property, NULL or ERR_PTR otherwise.
*/
struct power_supply *power_supply_get_by_phandle(struct device_node *np,
const char *property)
struct power_supply *power_supply_get_by_phandle(struct fwnode_handle *fwnode,
const char *property)
{
struct device_node *power_supply_np;
struct fwnode_handle *power_supply_fwnode;
struct power_supply *psy = NULL;
struct device *dev;
power_supply_np = of_parse_phandle(np, property, 0);
if (!power_supply_np)
return ERR_PTR(-ENODEV);
power_supply_fwnode = fwnode_find_reference(fwnode, property, 0);
if (IS_ERR(power_supply_fwnode))
return ERR_CAST(power_supply_fwnode);
dev = class_find_device(&power_supply_class, NULL, power_supply_np,
power_supply_match_device_node);
dev = class_find_device(&power_supply_class, NULL, power_supply_fwnode,
power_supply_match_device_fwnode);
of_node_put(power_supply_np);
fwnode_handle_put(power_supply_fwnode);
if (dev) {
psy = dev_to_psy(dev);
@ -561,14 +560,14 @@ struct power_supply *devm_power_supply_get_by_phandle(struct device *dev,
{
struct power_supply **ptr, *psy;
if (!dev->of_node)
if (!dev_fwnode(dev))
return ERR_PTR(-ENODEV);
ptr = devres_alloc(devm_power_supply_put, sizeof(*ptr), GFP_KERNEL);
if (!ptr)
return ERR_PTR(-ENOMEM);
psy = power_supply_get_by_phandle(dev->of_node, property);
psy = power_supply_get_by_phandle(dev_fwnode(dev), property);
if (IS_ERR_OR_NULL(psy)) {
devres_free(ptr);
} else {

2
include/linux/power_supply.h
View File

@ -808,7 +808,7 @@ static inline struct power_supply *power_supply_get_by_name(const char *name)
{ return NULL; }
#endif
#ifdef CONFIG_OF
extern struct power_supply *power_supply_get_by_phandle(struct device_node *np,
extern struct power_supply *power_supply_get_by_phandle(struct fwnode_handle *fwnode,
const char *property);
extern struct power_supply *devm_power_supply_get_by_phandle(
struct device *dev, const char *property);