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Date: Fri, 27 Jan 2023 11:11:46 +0100
From: Arnd Bergmann <arnd@...nel.org>
To: linux-gpio@...r.kernel.org
Cc: Arnd Bergmann <arnd@...db.de>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Bartosz Golaszewski <brgl@...ev.pl>,
Christophe Leroy <christophe.leroy@...roup.eu>,
Dmitry Torokhov <dmitry.torokhov@...il.com>,
Linus Walleij <linus.walleij@...aro.org>,
linux-kernel@...r.kernel.org
Subject: [PATCH v2 4/7] gpiolib: remove gpio_set_debounce
From: Arnd Bergmann <arnd@...db.de>
gpio_set_debounce() only has a single user, which is trivially
converted to gpiod_set_debounce().
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
Documentation/driver-api/gpio/legacy.rst | 2 --
.../zh_CN/driver-api/gpio/legacy.rst | 1 -
Documentation/translations/zh_TW/gpio.txt | 1 -
drivers/input/touchscreen/ads7846.c | 25 ++++++++++---------
include/linux/gpio.h | 10 --------
5 files changed, 13 insertions(+), 26 deletions(-)
diff --git a/Documentation/driver-api/gpio/legacy.rst b/Documentation/driver-api/gpio/legacy.rst
index a0559d93efd1..e0306e78e34b 100644
--- a/Documentation/driver-api/gpio/legacy.rst
+++ b/Documentation/driver-api/gpio/legacy.rst
@@ -238,8 +238,6 @@ setup or driver probe/teardown code, so this is an easy constraint.)::
## gpio_free_array()
gpio_free()
- gpio_set_debounce()
-
Claiming and Releasing GPIOs
diff --git a/Documentation/translations/zh_CN/driver-api/gpio/legacy.rst b/Documentation/translations/zh_CN/driver-api/gpio/legacy.rst
index 74fa473bb504..dee2a0517c1c 100644
--- a/Documentation/translations/zh_CN/driver-api/gpio/legacy.rst
+++ b/Documentation/translations/zh_CN/driver-api/gpio/legacy.rst
@@ -219,7 +219,6 @@ GPIO 值的命令需要等待其信息排到队首才发送命令，再获得其
## gpio_free_array()
gpio_free()
- gpio_set_debounce()
diff --git a/Documentation/translations/zh_TW/gpio.txt b/Documentation/translations/zh_TW/gpio.txt
index 1b986bbb0909..dc608358d90a 100644
--- a/Documentation/translations/zh_TW/gpio.txt
+++ b/Documentation/translations/zh_TW/gpio.txt
@@ -226,7 +226,6 @@ GPIO 值的命令需要等待其信息排到隊首才發送命令，再獲得其
## gpio_free_array()
gpio_free()
- gpio_set_debounce()
diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
index 4c3dd01902d0..da3c55d9cb98 100644
--- a/drivers/input/touchscreen/ads7846.c
+++ b/drivers/input/touchscreen/ads7846.c
@@ -25,8 +25,8 @@
#include <linux/slab.h>
#include <linux/pm.h>
#include <linux/of.h>
-#include <linux/of_gpio.h>
#include <linux/of_device.h>
+#include <linux/gpio/consumer.h>
#include <linux/gpio.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
@@ -139,7 +139,7 @@ struct ads7846 {
int (*filter)(void *data, int data_idx, int *val);
void *filter_data;
int (*get_pendown_state)(void);
- int gpio_pendown;
+ struct gpio_desc *gpio_pendown;
void (*wait_for_sync)(void);
};
@@ -222,7 +222,7 @@ static int get_pendown_state(struct ads7846 *ts)
if (ts->get_pendown_state)
return ts->get_pendown_state();
- return !gpio_get_value(ts->gpio_pendown);
+ return !gpiod_get_value(ts->gpio_pendown);
}
static void ads7846_report_pen_up(struct ads7846 *ts)
@@ -1005,7 +1005,6 @@ static int ads7846_setup_pendown(struct spi_device *spi,
if (pdata->get_pendown_state) {
ts->get_pendown_state = pdata->get_pendown_state;
} else if (gpio_is_valid(pdata->gpio_pendown)) {
-
err = devm_gpio_request_one(&spi->dev, pdata->gpio_pendown,
GPIOF_IN, "ads7846_pendown");
if (err) {
@@ -1015,15 +1014,17 @@ static int ads7846_setup_pendown(struct spi_device *spi,
return err;
}
- ts->gpio_pendown = pdata->gpio_pendown;
-
- if (pdata->gpio_pendown_debounce)
- gpio_set_debounce(pdata->gpio_pendown,
- pdata->gpio_pendown_debounce);
+ ts->gpio_pendown = gpio_to_desc(pdata->gpio_pendown);
} else {
- dev_err(&spi->dev, "no get_pendown_state nor gpio_pendown?\n");
- return -EINVAL;
+ ts->gpio_pendown = gpiod_get(&spi->dev, "pendown-gpio", GPIOD_IN);
+ if (IS_ERR(ts->gpio_pendown)) {
+ dev_err(&spi->dev, "no get_pendown_state nor gpio_pendown?\n");
+ return PTR_ERR(ts->gpio_pendown);
+ }
}
+ if (pdata->gpio_pendown_debounce)
+ gpiod_set_debounce(ts->gpio_pendown,
+ pdata->gpio_pendown_debounce);
return 0;
}
@@ -1192,7 +1193,7 @@ static const struct ads7846_platform_data *ads7846_probe_dt(struct device *dev)
pdata->wakeup = of_property_read_bool(node, "wakeup-source") ||
of_property_read_bool(node, "linux,wakeup");
- pdata->gpio_pendown = of_get_named_gpio(dev->of_node, "pendown-gpio", 0);
+ pdata->gpio_pendown = -1;
return pdata;
}
diff --git a/include/linux/gpio.h b/include/linux/gpio.h
index 6719a82eeec5..220e8656f2ab 100644
--- a/include/linux/gpio.h
+++ b/include/linux/gpio.h
@@ -100,11 +100,6 @@ static inline int gpio_direction_output(unsigned gpio, int value)
return gpiod_direction_output_raw(gpio_to_desc(gpio), value);
}
-static inline int gpio_set_debounce(unsigned gpio, unsigned debounce)
-{
- return gpiod_set_debounce(gpio_to_desc(gpio), debounce);
-}
-
static inline int gpio_get_value_cansleep(unsigned gpio)
{
return gpiod_get_raw_value_cansleep(gpio_to_desc(gpio));
@@ -215,11 +210,6 @@ static inline int gpio_direction_output(unsigned gpio, int value)
return -ENOSYS;
}
-static inline int gpio_set_debounce(unsigned gpio, unsigned debounce)
-{
- return -ENOSYS;
-}
-
static inline int gpio_get_value(unsigned gpio)
{
/* GPIO can never have been requested or set as {in,out}put */
--
2.39.0
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