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Message-Id: <20230207142952.51844-4-andriy.shevchenko@linux.intel.com>
Date: Tue, 7 Feb 2023 16:29:43 +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 03/12] gpiolib: remove asm-generic/gpio.h
From: Arnd Bergmann <arnd@...db.de>
The asm-generic/gpio.h file is now always included when
using gpiolib, so just move its contents into linux/gpio.h
with a few minor simplifications.
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>
---
MAINTAINERS | 1 -
arch/m68k/include/asm/mcfgpio.h | 2 +-
drivers/gpio/gpio-davinci.c | 2 -
drivers/pinctrl/core.c | 1 -
include/asm-generic/gpio.h | 147 --------------------------------
include/linux/gpio.h | 93 ++++++++++++++++++--
6 files changed, 85 insertions(+), 161 deletions(-)
delete mode 100644 include/asm-generic/gpio.h
diff --git a/MAINTAINERS b/MAINTAINERS
index 4d6aa8076868..0469de4e5000 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -8730,7 +8730,6 @@ F: Documentation/admin-guide/gpio/
F: Documentation/devicetree/bindings/gpio/
F: Documentation/driver-api/gpio/
F: drivers/gpio/
-F: include/asm-generic/gpio.h
F: include/dt-bindings/gpio/
F: include/linux/gpio.h
F: include/linux/gpio/
diff --git a/arch/m68k/include/asm/mcfgpio.h b/arch/m68k/include/asm/mcfgpio.h
index 27f32cc81da6..2cefe8445980 100644
--- a/arch/m68k/include/asm/mcfgpio.h
+++ b/arch/m68k/include/asm/mcfgpio.h
@@ -9,7 +9,7 @@
#define mcfgpio_h
#ifdef CONFIG_GPIOLIB
-#include <asm-generic/gpio.h>
+#include <linux/gpio.h>
#else
int __mcfgpio_get_value(unsigned gpio);
diff --git a/drivers/gpio/gpio-davinci.c b/drivers/gpio/gpio-davinci.c
index 26b1f7465e09..7fc83057990a 100644
--- a/drivers/gpio/gpio-davinci.c
+++ b/drivers/gpio/gpio-davinci.c
@@ -24,8 +24,6 @@
#include <linux/spinlock.h>
#include <linux/pm_runtime.h>
-#include <asm-generic/gpio.h>
-
#define MAX_REGS_BANKS 5
#define MAX_INT_PER_BANK 32
diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c
index d6e6c751255f..401886c81344 100644
--- a/drivers/pinctrl/core.c
+++ b/drivers/pinctrl/core.c
@@ -30,7 +30,6 @@
#ifdef CONFIG_GPIOLIB
#include "../gpio/gpiolib.h"
-#include <asm-generic/gpio.h>
#endif
#include "core.h"
diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h
deleted file mode 100644
index 22cb8c9efc1d..000000000000
--- a/include/asm-generic/gpio.h
+++ /dev/null
@@ -1,147 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _ASM_GENERIC_GPIO_H
-#define _ASM_GENERIC_GPIO_H
-
-#include <linux/types.h>
-#include <linux/errno.h>
-
-#ifdef CONFIG_GPIOLIB
-
-#include <linux/compiler.h>
-#include <linux/gpio/driver.h>
-#include <linux/gpio/consumer.h>
-
-/*
- * Platforms may implement their GPIO interface with library code,
- * at a small performance cost for non-inlined operations and some
- * extra memory (for code and for per-GPIO table entries).
- */
-
-/*
- * At the end we want all GPIOs to be dynamically allocated from 0.
- * However, some legacy drivers still perform fixed allocation.
- * Until they are all fixed, leave 0-512 space for them.
- */
-#define GPIO_DYNAMIC_BASE 512
-
-struct device;
-struct gpio;
-struct seq_file;
-struct module;
-struct device_node;
-struct gpio_desc;
-
-/* Always use the library code for GPIO management calls,
- * or when sleeping may be involved.
- */
-extern int gpio_request(unsigned gpio, const char *label);
-extern void gpio_free(unsigned gpio);
-
-static inline int gpio_direction_input(unsigned gpio)
-{
- return gpiod_direction_input(gpio_to_desc(gpio));
-}
-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));
-}
-static inline void gpio_set_value_cansleep(unsigned gpio, int value)
-{
- return gpiod_set_raw_value_cansleep(gpio_to_desc(gpio), value);
-}
-
-
-/* A platform's <asm/gpio.h> code may want to inline the I/O calls when
- * the GPIO is constant and refers to some always-present controller,
- * giving direct access to chip registers and tight bitbanging loops.
- */
-static inline int __gpio_get_value(unsigned gpio)
-{
- return gpiod_get_raw_value(gpio_to_desc(gpio));
-}
-static inline void __gpio_set_value(unsigned gpio, int value)
-{
- return gpiod_set_raw_value(gpio_to_desc(gpio), value);
-}
-
-static inline int __gpio_cansleep(unsigned gpio)
-{
- return gpiod_cansleep(gpio_to_desc(gpio));
-}
-
-static inline int __gpio_to_irq(unsigned gpio)
-{
- return gpiod_to_irq(gpio_to_desc(gpio));
-}
-
-extern int gpio_request_one(unsigned gpio, unsigned long flags, const char *label);
-extern int gpio_request_array(const struct gpio *array, size_t num);
-extern void gpio_free_array(const struct gpio *array, size_t num);
-
-/*
- * A sysfs interface can be exported by individual drivers if they want,
- * but more typically is configured entirely from userspace.
- */
-static inline int gpio_export(unsigned gpio, bool direction_may_change)
-{
- return gpiod_export(gpio_to_desc(gpio), direction_may_change);
-}
-
-static inline void gpio_unexport(unsigned gpio)
-{
- gpiod_unexport(gpio_to_desc(gpio));
-}
-
-#else /* !CONFIG_GPIOLIB */
-
-#include <linux/kernel.h>
-
-/* platforms that don't directly support access to GPIOs through I2C, SPI,
- * or other blocking infrastructure can use these wrappers.
- */
-
-static inline int gpio_cansleep(unsigned gpio)
-{
- return 0;
-}
-
-static inline int gpio_get_value_cansleep(unsigned gpio)
-{
- might_sleep();
- return __gpio_get_value(gpio);
-}
-
-static inline void gpio_set_value_cansleep(unsigned gpio, int value)
-{
- might_sleep();
- __gpio_set_value(gpio, value);
-}
-
-#endif /* !CONFIG_GPIOLIB */
-
-/*
- * "valid" GPIO numbers are nonnegative and may be passed to
- * setup routines like gpio_request(). only some valid numbers
- * can successfully be requested and used.
- *
- * Invalid GPIO numbers are useful for indicating no-such-GPIO in
- * platform data and other tables.
- */
-
-static inline bool gpio_is_valid(int number)
-{
- /* only non-negative numbers are valid */
- return number >= 0;
-}
-
-#endif /* _ASM_GENERIC_GPIO_H */
diff --git a/include/linux/gpio.h b/include/linux/gpio.h
index 2b75017b3aad..6719a82eeec5 100644
--- a/include/linux/gpio.h
+++ b/include/linux/gpio.h
@@ -54,26 +54,101 @@ struct gpio {
};
#ifdef CONFIG_GPIOLIB
-#include <asm-generic/gpio.h>
+#include <linux/compiler.h>
+#include <linux/gpio/consumer.h>
+#include <linux/gpio/driver.h>
-static inline int gpio_get_value(unsigned int gpio)
+/*
+ * "valid" GPIO numbers are nonnegative and may be passed to
+ * setup routines like gpio_request(). Only some valid numbers
+ * can successfully be requested and used.
+ *
+ * Invalid GPIO numbers are useful for indicating no-such-GPIO in
+ * platform data and other tables.
+ */
+static inline bool gpio_is_valid(int number)
+{
+ /* only non-negative numbers are valid */
+ return number >= 0;
+}
+
+/*
+ * Platforms may implement their GPIO interface with library code,
+ * at a small performance cost for non-inlined operations and some
+ * extra memory (for code and for per-GPIO table entries).
+ */
+
+/*
+ * At the end we want all GPIOs to be dynamically allocated from 0.
+ * However, some legacy drivers still perform fixed allocation.
+ * Until they are all fixed, leave 0-512 space for them.
+ */
+#define GPIO_DYNAMIC_BASE 512
+
+/* Always use the library code for GPIO management calls,
+ * or when sleeping may be involved.
+ */
+int gpio_request(unsigned gpio, const char *label);
+void gpio_free(unsigned gpio);
+
+static inline int gpio_direction_input(unsigned gpio)
+{
+ return gpiod_direction_input(gpio_to_desc(gpio));
+}
+static inline int gpio_direction_output(unsigned gpio, int value)
{
- return __gpio_get_value(gpio);
+ return gpiod_direction_output_raw(gpio_to_desc(gpio), value);
}
-static inline void gpio_set_value(unsigned int gpio, int value)
+static inline int gpio_set_debounce(unsigned gpio, unsigned debounce)
{
- __gpio_set_value(gpio, value);
+ return gpiod_set_debounce(gpio_to_desc(gpio), debounce);
}
-static inline int gpio_cansleep(unsigned int gpio)
+static inline int gpio_get_value_cansleep(unsigned gpio)
+{
+ return gpiod_get_raw_value_cansleep(gpio_to_desc(gpio));
+}
+static inline void gpio_set_value_cansleep(unsigned gpio, int value)
{
- return __gpio_cansleep(gpio);
+ return gpiod_set_raw_value_cansleep(gpio_to_desc(gpio), value);
}
-static inline int gpio_to_irq(unsigned int gpio)
+static inline int gpio_get_value(unsigned gpio)
+{
+ return gpiod_get_raw_value(gpio_to_desc(gpio));
+}
+static inline void gpio_set_value(unsigned gpio, int value)
+{
+ return gpiod_set_raw_value(gpio_to_desc(gpio), value);
+}
+
+static inline int gpio_cansleep(unsigned gpio)
+{
+ return gpiod_cansleep(gpio_to_desc(gpio));
+}
+
+static inline int gpio_to_irq(unsigned gpio)
+{
+ return gpiod_to_irq(gpio_to_desc(gpio));
+}
+
+int gpio_request_one(unsigned gpio, unsigned long flags, const char *label);
+int gpio_request_array(const struct gpio *array, size_t num);
+void gpio_free_array(const struct gpio *array, size_t num);
+
+/*
+ * A sysfs interface can be exported by individual drivers if they want,
+ * but more typically is configured entirely from userspace.
+ */
+static inline int gpio_export(unsigned gpio, bool direction_may_change)
+{
+ return gpiod_export(gpio_to_desc(gpio), direction_may_change);
+}
+
+static inline void gpio_unexport(unsigned gpio)
{
- return __gpio_to_irq(gpio);
+ gpiod_unexport(gpio_to_desc(gpio));
}
/* CONFIG_GPIOLIB: bindings for managed devices that want to request gpios */
--
2.39.1
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