summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorThomas Weißschuh <linux@weissschuh.net>2024-10-05 12:04:17 +0200
committerSebastian Reichel <sebastian.reichel@collabora.com>2024-10-15 22:14:11 +0200
commit58797abed49d6b78c7af99b03b037f20c7ffb203 (patch)
tree30a73e50452eab4e9bb46fc155f396eac67cafe5
parent9852d85ec9d492ebef56dc5f229416c925758edc (diff)
power: supply: core: constify power_supply_battery_info::resist_table
The power supply core never modifies the resist 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-v1-1-c1f721927048@weissschuh.net Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
-rw-r--r--drivers/power/supply/power_supply_core.c4
-rw-r--r--include/linux/power_supply.h4
2 files changed, 4 insertions, 4 deletions
diff --git a/drivers/power/supply/power_supply_core.c b/drivers/power/supply/power_supply_core.c
index 49534458a9f7..a01703fa83c0 100644
--- a/drivers/power/supply/power_supply_core.c
+++ b/drivers/power/supply/power_supply_core.c
@@ -798,7 +798,7 @@ int power_supply_get_battery_info(struct power_supply *psy,
goto out_ret_pointer;
info->resist_table_size = len / (2 * sizeof(__be32));
- resist_table = info->resist_table = devm_kcalloc(&psy->dev,
+ info->resist_table = resist_table = devm_kcalloc(&psy->dev,
info->resist_table_size,
sizeof(*resist_table),
GFP_KERNEL);
@@ -982,7 +982,7 @@ EXPORT_SYMBOL_GPL(power_supply_battery_info_get_prop);
*
* Return: the battery internal resistance percent
*/
-int power_supply_temp2resist_simple(struct power_supply_resistance_temp_table *table,
+int power_supply_temp2resist_simple(const struct power_supply_resistance_temp_table *table,
int table_len, int temp)
{
int i, high, low;
diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
index 910d407ebe63..9253411c105f 100644
--- a/include/linux/power_supply.h
+++ b/include/linux/power_supply.h
@@ -752,7 +752,7 @@ struct power_supply_battery_info {
int temp_max;
struct power_supply_battery_ocv_table *ocv_table[POWER_SUPPLY_OCV_TEMP_MAX];
int ocv_table_size[POWER_SUPPLY_OCV_TEMP_MAX];
- struct power_supply_resistance_temp_table *resist_table;
+ const struct power_supply_resistance_temp_table *resist_table;
int resist_table_size;
const struct power_supply_vbat_ri_table *vbat2ri_discharging;
int vbat2ri_discharging_size;
@@ -805,7 +805,7 @@ power_supply_find_ocv2cap_table(struct power_supply_battery_info *info,
extern int power_supply_batinfo_ocv2cap(struct power_supply_battery_info *info,
int ocv, int temp);
extern int
-power_supply_temp2resist_simple(struct power_supply_resistance_temp_table *table,
+power_supply_temp2resist_simple(const struct power_supply_resistance_temp_table *table,
int table_len, int temp);
extern int power_supply_vbat2ri(struct power_supply_battery_info *info,
int vbat_uv, bool charging);