[PATCH] gpiolib: make gpiochip_find_by_name to be common function

From: Jianqun Xu
Date: Mon Sep 19 2022 - 21:09:50 EST


Move find_chip_by_name from gpiolib to the gpio/driver.h, also rename to
gpiochip_find_by_name, make it to be a common function.

Signed-off-by: Jianqun Xu <jay.xu@xxxxxxxxxxxxxx>
---
drivers/gpio/gpiolib.c | 12 ------------
include/linux/gpio/driver.h | 12 ++++++++++++
2 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index cc9c0a12259e..60259e76d361 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -935,18 +935,6 @@ struct gpio_chip *gpiochip_find(void *data,
}
EXPORT_SYMBOL_GPL(gpiochip_find);

-static int gpiochip_match_name(struct gpio_chip *gc, void *data)
-{
- const char *name = data;
-
- return !strcmp(gc->label, name);
-}
-
-static struct gpio_chip *find_chip_by_name(const char *name)
-{
- return gpiochip_find((void *)name, gpiochip_match_name);
-}
-
#ifdef CONFIG_GPIOLIB_IRQCHIP

/*
diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h
index 6aeea1071b1b..4ed26a7d98ff 100644
--- a/include/linux/gpio/driver.h
+++ b/include/linux/gpio/driver.h
@@ -618,6 +618,18 @@ extern int devm_gpiochip_add_data_with_key(struct device *dev, struct gpio_chip
extern struct gpio_chip *gpiochip_find(void *data,
int (*match)(struct gpio_chip *gc, void *data));

+static int gpiochip_match_name(struct gpio_chip *gc, void *data)
+{
+ const char *name = data;
+
+ return !strcmp(gc->label, name);
+}
+
+static inline struct gpio_chip *gpiochip_find_by_name(const char *name)
+{
+ return gpiochip_find((void *)name, gpiochip_match_name);
+}
+
bool gpiochip_line_is_irq(struct gpio_chip *gc, unsigned int offset);
int gpiochip_reqres_irq(struct gpio_chip *gc, unsigned int offset);
void gpiochip_relres_irq(struct gpio_chip *gc, unsigned int offset);
--
2.25.1