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Message-Id: <20230207142952.51844-5-andriy.shevchenko@linux.intel.com>
Date:   Tue,  7 Feb 2023 16:29:44 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Arnd Bergmann <arnd@...db.de>,
        Bartosz Golaszewski <bartosz.golaszewski@...aro.org>,
        Tony Lindgren <tony@...mide.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Michael Ellerman <mpe@...erman.id.au>,
        Devarsh Thakkar <devarsht@...com>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Stefan Schmidt <stefan@...enfreihafen.org>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        linux-gpio@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        linux-doc-tw-discuss@...ts.sourceforge.net,
        linux-arm-kernel@...ts.infradead.org, linux-omap@...r.kernel.org,
        linux-samsung-soc@...r.kernel.org, linux-m68k@...ts.linux-m68k.org,
        linuxppc-dev@...ts.ozlabs.org, linux-sh@...r.kernel.org,
        linux-acpi@...r.kernel.org, linux-input@...r.kernel.org,
        linux-media@...r.kernel.org, linux-wpan@...r.kernel.org,
        netdev@...r.kernel.org, linux-wireless@...r.kernel.org,
        brcm80211-dev-list.pdl@...adcom.com,
        SHA-cyfmac-dev-list@...ineon.com, linux-arch@...r.kernel.org,
        devicetree@...r.kernel.org
Cc:     Bartosz Golaszewski <brgl@...ev.pl>,
        Jonathan Corbet <corbet@....net>, Alex Shi <alexs@...nel.org>,
        Yanteng Si <siyanteng@...ngson.cn>,
        Hu Haowen <src.res@...il.cn>,
        Russell King <linux@...linux.org.uk>,
        Aaro Koskinen <aaro.koskinen@....fi>,
        Janusz Krzysztofik <jmkrzyszt@...il.com>,
        Andrew Lunn <andrew@...n.ch>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        Gregory Clement <gregory.clement@...tlin.com>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Nicholas Piggin <npiggin@...il.com>,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Rich Felker <dalias@...c.org>,
        Mun Yew Tham <mun.yew.tham@...el.com>,
        Keerthy <j-keerthy@...com>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Alexander Aring <alex.aring@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Arend van Spriel <aspriel@...il.com>,
        Franky Lin <franky.lin@...adcom.com>,
        Hante Meuleman <hante.meuleman@...adcom.com>,
        Kalle Valo <kvalo@...nel.org>, Qiang Zhao <qiang.zhao@....com>,
        Li Yang <leoyang.li@....com>, Lee Jones <lee@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>
Subject: [PATCH v3 04/12] 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>
Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 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           | 24 ++++++++++++-------
 include/linux/gpio.h                          | 10 --------
 5 files changed, 15 insertions(+), 23 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 17f11bce8113..a9a4a7f7d315 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>
@@ -999,7 +999,6 @@ 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) {
@@ -1010,14 +1009,21 @@ static int ads7846_setup_pendown(struct spi_device *spi,
 		}
 
 		ts->gpio_pendown = pdata->gpio_pendown;
-
-		if (pdata->gpio_pendown_debounce)
-			gpio_set_debounce(pdata->gpio_pendown,
-					  pdata->gpio_pendown_debounce);
 	} else {
-		dev_err(&spi->dev, "no get_pendown_state nor gpio_pendown?\n");
-		return -EINVAL;
+		struct gpio_desc *desc;
+
+		desc = devm_gpiod_get(&spi->dev, "pendown", GPIOD_IN);
+		if (IS_ERR(desc)) {
+			dev_err(&spi->dev, "no get_pendown_state nor gpio_pendown?\n");
+			return PTR_ERR(desc);
+		}
+		gpiod_set_consumer_name(desc, "ads7846_pendown");
+
+		ts->gpio_pendown = desc_to_gpio(desc);
 	}
+	if (pdata->gpio_pendown_debounce)
+		gpiod_set_debounce(gpio_to_desc(ts->gpio_pendown),
+				   pdata->gpio_pendown_debounce);
 
 	return 0;
 }
@@ -1194,7 +1200,7 @@ 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 = -ENOENT;
 
 	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 */
-- 
2.39.1

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