From: Patrick Delaunay <patrick.delaunay@st.com>
Date: Mon, 13 Jan 2020 10:35:02 +0000 (+0100)
Subject: gpio: add function _gpio_get_value
X-Git-Tag: v2020.07-rc1~31^2~24
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=8a9140cd38c5571fc23d1e7b293ca22325d41afc;p=oweals%2Fu-boot.git

gpio: add function _gpio_get_value

Introduce the function _gpio_get_value to get the GPIO value
without check if it is reserved.
This patch prepare new ops introduction.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
---

diff --git a/drivers/gpio/gpio-uclass.c b/drivers/gpio/gpio-uclass.c
index 32fdc5bfe5..5c82a4a7db 100644
--- a/drivers/gpio/gpio-uclass.c
+++ b/drivers/gpio/gpio-uclass.c
@@ -476,18 +476,24 @@ int gpio_direction_output(unsigned gpio, int value)
 							desc.offset, value);
 }
 
-int dm_gpio_get_value(const struct gpio_desc *desc)
+static int _gpio_get_value(const struct gpio_desc *desc)
 {
 	int value;
+
+	value = gpio_get_ops(desc->dev)->get_value(desc->dev, desc->offset);
+
+	return desc->flags & GPIOD_ACTIVE_LOW ? !value : value;
+}
+
+int dm_gpio_get_value(const struct gpio_desc *desc)
+{
 	int ret;
 
 	ret = check_reserved(desc, "get_value");
 	if (ret)
 		return ret;
 
-	value = gpio_get_ops(desc->dev)->get_value(desc->dev, desc->offset);
-
-	return desc->flags & GPIOD_ACTIVE_LOW ? !value : value;
+	return _gpio_get_value(desc);
 }
 
 int dm_gpio_set_value(const struct gpio_desc *desc, int value)