linux-kernel - [PATCH v3 2/5] gpiolib: remove debounce_period_us from struct gpio

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Message-Id: <20231215023805.63289-3-warthog618@gmail.com>
Date: Fri, 15 Dec 2023 10:38:02 +0800
From: Kent Gibson <warthog618@...il.com>
To: linux-kernel@...r.kernel.org,
	linux-gpio@...r.kernel.org,
	brgl@...ev.pl,
	linus.walleij@...aro.org,
	andy@...nel.org
Cc: Kent Gibson <warthog618@...il.com>
Subject: [PATCH v3 2/5] gpiolib: remove debounce_period_us from struct gpio_desc

cdev is the only user of the debounce_period_us field in
struct gpio_desc, and it no longer uses it, so remove it.

Signed-off-by: Kent Gibson <warthog618@...il.com>
---
 drivers/gpio/gpiolib.c | 3 ---
 drivers/gpio/gpiolib.h | 5 -----
 2 files changed, 8 deletions(-)

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 4e190be75dc2..ca2216621619 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -2344,9 +2344,6 @@ static bool gpiod_free_commit(struct gpio_desc *desc)
 		clear_bit(FLAG_IS_HOGGED, &desc->flags);
 #ifdef CONFIG_OF_DYNAMIC
 		desc->hog = NULL;
-#endif
-#ifdef CONFIG_GPIO_CDEV
-		WRITE_ONCE(desc->debounce_period_us, 0);
 #endif
 		ret = true;
 	}
diff --git a/drivers/gpio/gpiolib.h b/drivers/gpio/gpiolib.h
index 3ccacf3c1288..a4a2520b5f31 100644
--- a/drivers/gpio/gpiolib.h
+++ b/drivers/gpio/gpiolib.h
@@ -147,7 +147,6 @@ void gpiod_line_state_notify(struct gpio_desc *desc, unsigned long action);
  * @label:		Name of the consumer
  * @name:		Line name
  * @hog:		Pointer to the device node that hogs this line (if any)
- * @debounce_period_us:	Debounce period in microseconds
  *
  * These are obtained using gpiod_get() and are preferable to the old
  * integer-based handles.
@@ -185,10 +184,6 @@ struct gpio_desc {
 #ifdef CONFIG_OF_DYNAMIC
 	struct device_node	*hog;
 #endif
-#ifdef CONFIG_GPIO_CDEV
-	/* debounce period in microseconds */
-	unsigned int		debounce_period_us;
-#endif
 };
 
 #define gpiod_not_found(desc)		(IS_ERR(desc) && PTR_ERR(desc) == -ENOENT)
-- 
2.39.2