[RFCv2 PATCH 3/4] gpiolib: remove gpiochip_(un)lock_as_irq

[Hans Verkuil <hverkuil@xxxxxxxxx>]

From: Hans Verkuil <hans.verkuil@xxxxxxxxx>

Now that these functions are no longer called we can remove them
from gpiolib.

Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
---
 drivers/gpio/gpiolib.c      | 15 ---------------
 include/linux/gpio.h        | 13 -------------
 include/linux/gpio/driver.h |  4 +---
 3 files changed, 1 insertion(+), 31 deletions(-)

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 0efa9ec4fec4..b48857ade55c 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -3391,21 +3391,6 @@ static void gpiochip_irq_unlock(struct gpio_chip *chip, unsigned int offset)
 		desc_set_label(desc, NULL);
 }
 
-/*
- * Keep these two temporary stubs until all drivers stop calling these
- * functions.
- */
-int gpiochip_lock_as_irq(struct gpio_chip *chip, unsigned int offset)
-{
-	return 0;
-}
-EXPORT_SYMBOL_GPL(gpiochip_lock_as_irq);
-
-void gpiochip_unlock_as_irq(struct gpio_chip *chip, unsigned int offset)
-{
-}
-EXPORT_SYMBOL_GPL(gpiochip_unlock_as_irq);
-
 bool gpiochip_line_is_irq(struct gpio_chip *chip, unsigned int offset)
 {
 	if (offset >= chip->ngpio)
diff --git a/include/linux/gpio.h b/include/linux/gpio.h
index 39745b8bdd65..4c8e984db29c 100644
--- a/include/linux/gpio.h
+++ b/include/linux/gpio.h
@@ -220,19 +220,6 @@ static inline int gpio_to_irq(unsigned gpio)
 	return -EINVAL;
 }
 
-static inline int gpiochip_lock_as_irq(struct gpio_chip *chip,
-				       unsigned int offset)
-{
-	WARN_ON(1);
-	return -EINVAL;
-}
-
-static inline void gpiochip_unlock_as_irq(struct gpio_chip *chip,
-					  unsigned int offset)
-{
-	WARN_ON(1);
-}
-
 static inline int irq_to_gpio(unsigned irq)
 {
 	/* irq can never have been returned from gpio_to_irq() */
diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h
index 0485bd339178..70367b056062 100644
--- a/include/linux/gpio/driver.h
+++ b/include/linux/gpio/driver.h
@@ -398,9 +398,7 @@ extern void devm_gpiochip_remove(struct device *dev, struct gpio_chip *chip);
 extern struct gpio_chip *gpiochip_find(void *data,
 			      int (*match)(struct gpio_chip *chip, void *data));
 
-/* lock/unlock as IRQ */
-int gpiochip_lock_as_irq(struct gpio_chip *chip, unsigned int offset);
-void gpiochip_unlock_as_irq(struct gpio_chip *chip, unsigned int offset);
+/* line is configure as IRQ */
 bool gpiochip_line_is_irq(struct gpio_chip *chip, unsigned int offset);
 
 /* Line status inquiry for drivers */
-- 
2.18.0