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authorRicardo Ribalda Delgado <ricardo.ribalda@gmail.com>2014-12-17 16:51:11 +0100
committerLinus Walleij <linus.walleij@linaro.org>2015-01-15 17:23:15 +0100
commit4ae798fae200f1d26c820c6e508a6bcd3c5aa8f2 (patch)
treea6c7f07dd2dbd5d9ea82bf2eb24191de7b3b6700 /drivers/gpio/gpio-xilinx.c
parentc54c58bad6e64649dfe51c2e8d9e5a1524d673e8 (diff)
downloadlinux-4ae798fae200f1d26c820c6e508a6bcd3c5aa8f2.tar.bz2
gpio/xilinx: Fix kernel-doc
Some documentation were not following the kernel-doc format. Backporting patch from Xilinx git repository. Suggested-by: Michal Simek <michal.simek@xilinx.com> Acked-by: Michal Simek <michal.simek@xilinx.com> Acked-by: Alexandre Courbot <acourbot@nvidia.com> Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpio-xilinx.c')
-rw-r--r--drivers/gpio/gpio-xilinx.c37
1 files changed, 21 insertions, 16 deletions
diff --git a/drivers/gpio/gpio-xilinx.c b/drivers/gpio/gpio-xilinx.c
index 554060a9fb48..9cf445732675 100644
--- a/drivers/gpio/gpio-xilinx.c
+++ b/drivers/gpio/gpio-xilinx.c
@@ -40,11 +40,11 @@
/**
* struct xgpio_instance - Stores information about GPIO device
- * struct of_mm_gpio_chip mmchip: OF GPIO chip for memory mapped banks
- * gpio_state: GPIO state shadow register
- * gpio_dir: GPIO direction shadow register
- * gpio_lock: Lock used for synchronization
- * inited: True if the port has been inited
+ * @mmchip: OF GPIO chip for memory mapped banks
+ * @gpio_state: GPIO state shadow register
+ * @gpio_dir: GPIO direction shadow register
+ * @gpio_lock: Lock used for synchronization
+ * @inited: True if the port has been inited
*/
struct xgpio_instance {
struct of_mm_gpio_chip mmchip;
@@ -63,8 +63,11 @@ struct xgpio {
* @gc: Pointer to gpio_chip device structure.
* @gpio: GPIO signal number.
*
- * This function reads the specified signal of the GPIO device. It returns 0 if
- * the signal clear, 1 if signal is set or negative value on error.
+ * This function reads the specified signal of the GPIO device.
+ *
+ * Return:
+ * 0 if direction of GPIO signals is set as input otherwise it
+ * returns negative error value.
*/
static int xgpio_get(struct gpio_chip *gc, unsigned int gpio)
{
@@ -107,9 +110,9 @@ static void xgpio_set(struct gpio_chip *gc, unsigned int gpio, int val)
* @gc: Pointer to gpio_chip device structure.
* @gpio: GPIO signal number.
*
- * This function sets the direction of specified GPIO signal as input.
- * It returns 0 if direction of GPIO signals is set as input otherwise it
- * returns negative error value.
+ * Return:
+ * 0 - if direction of GPIO signals is set as input
+ * otherwise it returns negative error value.
*/
static int xgpio_dir_in(struct gpio_chip *gc, unsigned int gpio)
{
@@ -135,8 +138,10 @@ static int xgpio_dir_in(struct gpio_chip *gc, unsigned int gpio)
* @gpio: GPIO signal number.
* @val: Value to be written to specified signal.
*
- * This function sets the direction of specified GPIO signal as output. If all
- * GPIO signals of GPIO chip is configured as input then it returns
+ * This function sets the direction of specified GPIO signal as output.
+ *
+ * Return:
+ * If all GPIO signals of GPIO chip is configured as input then it returns
* error otherwise it returns 0.
*/
static int xgpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val)
@@ -166,7 +171,7 @@ static int xgpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val)
/**
* xgpio_save_regs - Set initial values of GPIO pins
- * @mm_gc: pointer to memory mapped GPIO chip structure
+ * @mm_gc: Pointer to memory mapped GPIO chip structure
*/
static void xgpio_save_regs(struct of_mm_gpio_chip *mm_gc)
{
@@ -207,9 +212,9 @@ static int xgpio_remove(struct platform_device *pdev)
* xgpio_of_probe - Probe method for the GPIO device.
* @pdev: pointer to the platform device
*
- * This function probes the GPIO device in the device tree. It initializes the
- * driver data structure. It returns 0, if the driver is bound to the GPIO
- * device, or a negative value if there is an error.
+ * Return:
+ * It returns 0, if the driver is bound to the GPIO device, or
+ * a negative value if there is an error.
*/
static int xgpio_probe(struct platform_device *pdev)
{