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Message-Id: <20190911075215.78047-8-dmitry.torokhov@gmail.com>
Date: Wed, 11 Sep 2019 00:52:11 -0700
From: Dmitry Torokhov <dmitry.torokhov@...il.com>
To: Linus Walleij <linus.walleij@...aro.org>
Cc: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Mika Westerberg <mika.westerberg@...ux.intel.com>,
linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org,
Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: [PATCH 07/11] gpliolib: make fwnode_get_named_gpiod() static
Now that there are no external users of fwnode_get_named_gpiod() we can
make it static.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
---
drivers/gpio/gpiolib.c | 108 ++++++++++++++--------------------
include/linux/gpio/consumer.h | 13 ----
2 files changed, 43 insertions(+), 78 deletions(-)
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index f15e3880aae5..54db2c42e9a0 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -4314,6 +4314,49 @@ static int platform_gpio_count(struct device *dev, const char *con_id)
return count;
}
+static struct gpio_desc *fwnode_get_named_gpiod(struct fwnode_handle *fwnode,
+ const char *propname, int index,
+ enum gpiod_flags dflags,
+ const char *label)
+{
+ unsigned long lflags = GPIO_LOOKUP_FLAGS_DEFAULT;
+ struct gpio_desc *desc = ERR_PTR(-ENODEV);
+ int ret;
+
+ if (!fwnode)
+ return ERR_PTR(-EINVAL);
+
+ if (is_of_node(fwnode)) {
+ desc = gpiod_get_from_of_node(to_of_node(fwnode),
+ propname, index,
+ dflags,
+ label);
+ return desc;
+ } else if (is_acpi_node(fwnode)) {
+ struct acpi_gpio_info info;
+
+ desc = acpi_node_get_gpiod(fwnode, propname, index, &info);
+ if (IS_ERR(desc))
+ return desc;
+
+ acpi_gpio_update_gpiod_flags(&dflags, &info);
+ acpi_gpio_update_gpiod_lookup_flags(&lflags, &info);
+ }
+
+ /* Currently only ACPI takes this path */
+ ret = gpiod_request(desc, label);
+ if (ret)
+ return ERR_PTR(ret);
+
+ ret = gpiod_configure_flags(desc, propname, lflags, dflags);
+ if (ret < 0) {
+ gpiod_put(desc);
+ return ERR_PTR(ret);
+ }
+
+ return desc;
+}
+
/**
* fwnode_gpiod_get_index - obtain a GPIO from firmware node
* @fwnode: handle of the firmware node
@@ -4574,71 +4617,6 @@ struct gpio_desc *__must_check gpiod_get_index(struct device *dev,
}
EXPORT_SYMBOL_GPL(gpiod_get_index);
-/**
- * fwnode_get_named_gpiod - obtain a GPIO from firmware node
- * @fwnode: handle of the firmware node
- * @propname: name of the firmware property representing the GPIO
- * @index: index of the GPIO to obtain for the consumer
- * @dflags: GPIO initialization flags
- * @label: label to attach to the requested GPIO
- *
- * This function can be used for drivers that get their configuration
- * from opaque firmware.
- *
- * The function properly finds the corresponding GPIO using whatever is the
- * underlying firmware interface and then makes sure that the GPIO
- * descriptor is requested before it is returned to the caller.
- *
- * Returns:
- * On successful request the GPIO pin is configured in accordance with
- * provided @dflags.
- *
- * In case of error an ERR_PTR() is returned.
- */
-struct gpio_desc *fwnode_get_named_gpiod(struct fwnode_handle *fwnode,
- const char *propname, int index,
- enum gpiod_flags dflags,
- const char *label)
-{
- unsigned long lflags = GPIO_LOOKUP_FLAGS_DEFAULT;
- struct gpio_desc *desc = ERR_PTR(-ENODEV);
- int ret;
-
- if (!fwnode)
- return ERR_PTR(-EINVAL);
-
- if (is_of_node(fwnode)) {
- desc = gpiod_get_from_of_node(to_of_node(fwnode),
- propname, index,
- dflags,
- label);
- return desc;
- } else if (is_acpi_node(fwnode)) {
- struct acpi_gpio_info info;
-
- desc = acpi_node_get_gpiod(fwnode, propname, index, &info);
- if (IS_ERR(desc))
- return desc;
-
- acpi_gpio_update_gpiod_flags(&dflags, &info);
- acpi_gpio_update_gpiod_lookup_flags(&lflags, &info);
- }
-
- /* Currently only ACPI takes this path */
- ret = gpiod_request(desc, label);
- if (ret)
- return ERR_PTR(ret);
-
- ret = gpiod_configure_flags(desc, propname, lflags, dflags);
- if (ret < 0) {
- gpiod_put(desc);
- return ERR_PTR(ret);
- }
-
- return desc;
-}
-EXPORT_SYMBOL_GPL(fwnode_get_named_gpiod);
-
/**
* gpiod_get_index_optional - obtain an optional GPIO from a multi-index GPIO
* function
diff --git a/include/linux/gpio/consumer.h b/include/linux/gpio/consumer.h
index 5215fdba6b9a..2f5e825f4601 100644
--- a/include/linux/gpio/consumer.h
+++ b/include/linux/gpio/consumer.h
@@ -172,10 +172,6 @@ int desc_to_gpio(const struct gpio_desc *desc);
/* Child properties interface */
struct fwnode_handle;
-struct gpio_desc *fwnode_get_named_gpiod(struct fwnode_handle *fwnode,
- const char *propname, int index,
- enum gpiod_flags dflags,
- const char *label);
struct gpio_desc *fwnode_gpiod_get_index(struct fwnode_handle *fwnode,
const char *con_id, int index,
enum gpiod_flags flags,
@@ -526,15 +522,6 @@ static inline int desc_to_gpio(const struct gpio_desc *desc)
/* Child properties interface */
struct fwnode_handle;
-static inline
-struct gpio_desc *fwnode_get_named_gpiod(struct fwnode_handle *fwnode,
- const char *propname, int index,
- enum gpiod_flags dflags,
- const char *label)
-{
- return ERR_PTR(-ENOSYS);
-}
-
static inline
struct gpio_desc *fwnode_gpiod_get_index(struct fwnode_handle *fwnode,
const char *con_id, int index,
--
2.23.0.162.g0b9fbb3734-goog
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