linux-kernel - [PATCH 2/4] gpio: of: Make of_gpio_simple

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Message-Id: <20190906084539.21838-3-geert+renesas@glider.be>
Date:   Fri,  6 Sep 2019 10:45:37 +0200
From:   Geert Uytterhoeven <geert+renesas@...der.be>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Geert Uytterhoeven <geert+renesas@...der.be>
Subject: [PATCH 2/4] gpio: of: Make of_gpio_simple_xlate() private

Since commit 9a95e8d25a140ba9 ("gpio: remove etraxfs driver"), there are
no more users of of_gpio_simple_xlate() outside gpiolib-of.c.
All GPIO drivers that need it now rely on of_gpiochip_add() setting it
up as the default translate function.

Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
---
 drivers/gpio/gpiolib-of.c |  6 +++---
 include/linux/of_gpio.h   | 11 -----------
 2 files changed, 3 insertions(+), 14 deletions(-)

diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c
index 4c6b366cb7bd5cd0..fad3aad667558325 100644
--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -637,8 +637,9 @@ static int of_gpiochip_scan_gpios(struct gpio_chip *chip)
  * GPIO chips. This function performs only one sanity check: whether GPIO
  * is less than ngpios (that is specified in the gpio_chip).
  */
-int of_gpio_simple_xlate(struct gpio_chip *gc,
-			 const struct of_phandle_args *gpiospec, u32 *flags)
+static int of_gpio_simple_xlate(struct gpio_chip *gc,
+				const struct of_phandle_args *gpiospec,
+				u32 *flags)
 {
 	/*
 	 * We're discouraging gpio_cells < 2, since that way you'll have to
@@ -662,7 +663,6 @@ int of_gpio_simple_xlate(struct gpio_chip *gc,
 
 	return gpiospec->args[0];
 }
-EXPORT_SYMBOL(of_gpio_simple_xlate);
 
 /**
  * of_mm_gpiochip_add_data - Add memory mapped GPIO chip (bank)
diff --git a/include/linux/of_gpio.h b/include/linux/of_gpio.h
index f9737dea9d1f945a..16967390a3fe3b12 100644
--- a/include/linux/of_gpio.h
+++ b/include/linux/of_gpio.h
@@ -61,10 +61,6 @@ static inline int of_mm_gpiochip_add(struct device_node *np,
 }
 extern void of_mm_gpiochip_remove(struct of_mm_gpio_chip *mm_gc);
 
-extern int of_gpio_simple_xlate(struct gpio_chip *gc,
-				const struct of_phandle_args *gpiospec,
-				u32 *flags);
-
 #else /* CONFIG_OF_GPIO */
 
 /* Drivers may not strictly depend on the GPIO support, so let them link. */
@@ -77,13 +73,6 @@ static inline int of_get_named_gpio_flags(struct device_node *np,
 	return -ENOSYS;
 }
 
-static inline int of_gpio_simple_xlate(struct gpio_chip *gc,
-				       const struct of_phandle_args *gpiospec,
-				       u32 *flags)
-{
-	return -ENOSYS;
-}
-
 #endif /* CONFIG_OF_GPIO */
 
 /**
-- 
2.17.1