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power: supply: core: remove opencoded string_lower()

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string_lower from string_helpers.h can be used to modify the string
in-place. Use it to get rid of the custom str_to_lower().

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20230929-power_supply-string_lower-v1-1-3141a2634d53@weissschuh.net
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
This commit is contained in:
Thomas Weißschuh 2023-09-29 19:39:00 +02:00 committed by Sebastian Reichel
parent 15a4e422f3
commit 0ce51459c8
1 changed files with 3 additions and 9 deletions
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12
drivers/power/supply/power_supply_sysfs.c
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@ -15,6 +15,7 @@
#include <linux/power_supply.h>
#include <linux/slab.h>
#include <linux/stat.h>
#include <linux/string_helpers.h>
#include "power_supply.h"
@ -398,14 +399,6 @@ static const struct attribute_group *power_supply_attr_groups[] = {
NULL,
};
static void str_to_lower(char *str)
{
while (*str) {
*str = tolower(*str);
str++;
}
}
void power_supply_init_attrs(struct device_type *dev_type)
{
int i;
@ -420,7 +413,8 @@ void power_supply_init_attrs(struct device_type *dev_type)
__func__, i);
sprintf(power_supply_attrs[i].attr_name, "_err_%d", i);
} else {
str_to_lower(power_supply_attrs[i].attr_name);
string_lower(power_supply_attrs[i].attr_name,
power_supply_attrs[i].attr_name);
}
attr = &power_supply_attrs[i].dev_attr;