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gpiolib: export devprop_gpiochip_set_names()

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This function is needed in mcp23s08. That driver is a special snowflake
because it supports several hardware chips as a single "GPIO chip" under
Linux.

Signed-off-by: Jan Kundrát <jan.kundrat@cesnet.cz>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Phil Reid <preid@electromag.com.au>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Jan Kundrát 2019-03-07 14:30:13 +01:00 committed by Linus Walleij
parent 9e98c678c2
commit 64ebde5b0f
3 changed files with 5 additions and 3 deletions
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2
drivers/gpio/gpiolib-devprop.c
View File

@ -56,3 +56,5 @@ void devprop_gpiochip_set_names(struct gpio_chip *chip,
kfree(names);
}
EXPORT_SYMBOL_GPL(devprop_gpiochip_set_names)

3
drivers/gpio/gpiolib.h
View File

@ -243,9 +243,6 @@ static inline int gpio_chip_hwgpio(const struct gpio_desc *desc)
return desc - &desc->gdev->descs[0];
}
void devprop_gpiochip_set_names(struct gpio_chip *chip,
const struct fwnode_handle *fwnode);
/* With descriptor prefix */
#define gpiod_emerg(desc, fmt, ...) \

3
include/linux/gpio/driver.h
View File

@ -614,6 +614,9 @@ struct gpio_desc *gpiochip_request_own_desc(struct gpio_chip *chip, u16 hwnum,
enum gpiod_flags flags);
void gpiochip_free_own_desc(struct gpio_desc *desc);
void devprop_gpiochip_set_names(struct gpio_chip *chip,
const struct fwnode_handle *fwnode);
#else /* CONFIG_GPIOLIB */
static inline struct gpio_chip *gpiod_to_chip(const struct gpio_desc *desc)