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power: supply: core: constify power_supply_battery_info::ocv_table

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The power supply core never modifies the ocv table.
Reflect this in the API, so drivers can mark their static tables as
const.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20241005-power-supply-battery-const-v1-5-c1f721927048@weissschuh.net
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
This commit is contained in:
Thomas Weißschuh 2024-10-05 12:04:21 +02:00 committed by Sebastian Reichel
parent 840683c341
commit ce20d5b9e3
2 changed files with 7 additions and 7 deletions
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8
drivers/power/supply/power_supply_core.c
View File

@ -777,7 +777,7 @@ int power_supply_get_battery_info(struct power_supply *psy,
tab_len = size / (2 * sizeof(__be32));
info->ocv_table_size[index] = tab_len;
table = info->ocv_table[index] =
info->ocv_table[index] = table =
devm_kcalloc(&psy->dev, tab_len, sizeof(*table), GFP_KERNEL);
if (!info->ocv_table[index]) {
power_supply_put_battery_info(psy, info);
@ -1093,7 +1093,7 @@ EXPORT_SYMBOL_GPL(power_supply_get_maintenance_charging_setting);
*
* Return: the battery capacity.
*/
int power_supply_ocv2cap_simple(struct power_supply_battery_ocv_table *table,
int power_supply_ocv2cap_simple(const struct power_supply_battery_ocv_table *table,
int table_len, int ocv)
{
int i, high, low;
@ -1118,7 +1118,7 @@ int power_supply_ocv2cap_simple(struct power_supply_battery_ocv_table *table,
}
EXPORT_SYMBOL_GPL(power_supply_ocv2cap_simple);
struct power_supply_battery_ocv_table *
const struct power_supply_battery_ocv_table *
power_supply_find_ocv2cap_table(struct power_supply_battery_info *info,
int temp, int *table_len)
{
@ -1149,7 +1149,7 @@ EXPORT_SYMBOL_GPL(power_supply_find_ocv2cap_table);
int power_supply_batinfo_ocv2cap(struct power_supply_battery_info *info,
int ocv, int temp)
{
struct power_supply_battery_ocv_table *table;
const struct power_supply_battery_ocv_table *table;
int table_len;
table = power_supply_find_ocv2cap_table(info, temp, &table_len);

6
include/linux/power_supply.h
View File

@ -750,7 +750,7 @@ struct power_supply_battery_info {
int temp_alert_max;
int temp_min;
int temp_max;
struct power_supply_battery_ocv_table *ocv_table[POWER_SUPPLY_OCV_TEMP_MAX];
const struct power_supply_battery_ocv_table *ocv_table[POWER_SUPPLY_OCV_TEMP_MAX];
int ocv_table_size[POWER_SUPPLY_OCV_TEMP_MAX];
const struct power_supply_resistance_temp_table *resist_table;
int resist_table_size;
@ -797,9 +797,9 @@ extern bool power_supply_battery_info_has_prop(struct power_supply_battery_info
extern int power_supply_battery_info_get_prop(struct power_supply_battery_info *info,
enum power_supply_property psp,
union power_supply_propval *val);
extern int power_supply_ocv2cap_simple(struct power_supply_battery_ocv_table *table,
extern int power_supply_ocv2cap_simple(const struct power_supply_battery_ocv_table *table,
int table_len, int ocv);
extern struct power_supply_battery_ocv_table *
extern const struct power_supply_battery_ocv_table *
power_supply_find_ocv2cap_table(struct power_supply_battery_info *info,
int temp, int *table_len);
extern int power_supply_batinfo_ocv2cap(struct power_supply_battery_info *info,