linux-kernel - [PATCH v1 2/2] gpiolib: legacy: Kill GPIOF_DIR

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Message-ID: <20240828142554.2424189-3-andriy.shevchenko@linux.intel.com>
Date: Wed, 28 Aug 2024 17:23:58 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Linus Walleij <linus.walleij@...aro.org>,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	linux-mips@...r.kernel.org,
	linux-gpio@...r.kernel.org
Cc: Hartley Sweeten <hsweeten@...ionengravers.com>,
	Alexander Sverdlin <alexander.sverdlin@...il.com>,
	Russell King <linux@...linux.org.uk>,
	Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
	Bartosz Golaszewski <brgl@...ev.pl>
Subject: [PATCH v1 2/2] gpiolib: legacy: Kill GPIOF_DIR_* definitions

Besides the fact that (old) drivers use wrong definitions, e.g.,
GPIOF_DIR_IN instead of GPIOF_IN, shrink the legacy definitions
by killing those GPIOF_DIR_* completely.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 arch/arm/mach-ep93xx/vision_ep9307.c | 3 +--
 drivers/gpio/gpiolib-legacy.c        | 2 +-
 include/linux/gpio.h                 | 9 +++------
 3 files changed, 5 insertions(+), 9 deletions(-)

diff --git a/arch/arm/mach-ep93xx/vision_ep9307.c b/arch/arm/mach-ep93xx/vision_ep9307.c
index 02c5a4724192..85f0dd7255a9 100644
--- a/arch/arm/mach-ep93xx/vision_ep9307.c
+++ b/arch/arm/mach-ep93xx/vision_ep9307.c
@@ -292,8 +292,7 @@ static void __init vision_init_machine(void)
 	 * Request the gpio expander's interrupt gpio line now to prevent
 	 * the kernel from doing a WARN in gpiolib:gpio_ensure_requested().
 	 */
-	if (gpio_request_one(EP93XX_GPIO_LINE_F(7), GPIOF_DIR_IN,
-				"pca9539:74"))
+	if (gpio_request_one(EP93XX_GPIO_LINE_F(7), GPIOF_IN, "pca9539:74"))
 		pr_warn("cannot request interrupt gpio for pca9539:74\n");
 
 	vision_i2c_info[1].irq = gpio_to_irq(EP93XX_GPIO_LINE_F(7));
diff --git a/drivers/gpio/gpiolib-legacy.c b/drivers/gpio/gpiolib-legacy.c
index 51d5fe203111..087fe3227e35 100644
--- a/drivers/gpio/gpiolib-legacy.c
+++ b/drivers/gpio/gpiolib-legacy.c
@@ -43,7 +43,7 @@ int gpio_request_one(unsigned gpio, unsigned long flags, const char *label)
 	if (flags & GPIOF_ACTIVE_LOW)
 		set_bit(FLAG_ACTIVE_LOW, &desc->flags);
 
-	if (flags & GPIOF_DIR_IN)
+	if (flags & GPIOF_IN)
 		err = gpiod_direction_input(desc);
 	else
 		err = gpiod_direction_output_raw(desc, !!(flags & GPIOF_OUT_INIT_HIGH));
diff --git a/include/linux/gpio.h b/include/linux/gpio.h
index 4af8ad114557..2d105be7bbc3 100644
--- a/include/linux/gpio.h
+++ b/include/linux/gpio.h
@@ -17,12 +17,9 @@
 struct device;
 
 /* make these flag values available regardless of GPIO kconfig options */
-#define GPIOF_DIR_OUT	(0 << 0)
-#define GPIOF_DIR_IN	(1 << 0)
-
-#define GPIOF_IN		(GPIOF_DIR_IN)
-#define GPIOF_OUT_INIT_LOW	(GPIOF_DIR_OUT | (0 << 1))
-#define GPIOF_OUT_INIT_HIGH	(GPIOF_DIR_OUT | (1 << 1))
+#define GPIOF_IN		((1 << 0))
+#define GPIOF_OUT_INIT_LOW	((0 << 0) | (0 << 1))
+#define GPIOF_OUT_INIT_HIGH	((0 << 0) | (1 << 1))
 
 /* Gpio pin is active-low */
 #define GPIOF_ACTIVE_LOW        (1 << 2)
-- 
2.43.0.rc1.1336.g36b5255a03ac