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gpiolib-of: Rename gpio_hog functions to be generic 

The gpio hogging functions are currently only used for gpio-hogging. But
these functions are widely generic ones which parse gpio device nodes in
the DT.

Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Markus Pargmann 2015-08-14 16:10:58 +02:00 committed by Linus Walleij
parent 1f93e4a96c
commit fd7337fdb9
1 changed files with 10 additions and 10 deletions
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20
drivers/gpio/gpiolib-of.c
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@ -119,20 +119,20 @@ int of_get_named_gpio_flags(struct device_node *np, const char *list_name,
EXPORT_SYMBOL(of_get_named_gpio_flags);
/**
* of_get_gpio_hog() - Get a GPIO hog descriptor, names and flags for GPIO API
* of_parse_own_gpio() - Get a GPIO hog descriptor, names and flags for GPIO API
* @np: device node to get GPIO from
* @name: GPIO line name
* @lflags: gpio_lookup_flags - returned from of_find_gpio() or
* of_get_gpio_hog()
* of_parse_own_gpio()
* @dflags: gpiod_flags - optional GPIO initialization flags
*
* Returns GPIO descriptor to use with Linux GPIO API, or one of the errno
* value on the error condition.
*/
static struct gpio_desc *of_get_gpio_hog(struct device_node *np,
const char **name,
enum gpio_lookup_flags *lflags,
enum gpiod_flags *dflags)
static struct gpio_desc *of_parse_own_gpio(struct device_node *np,
const char **name,
enum gpio_lookup_flags *lflags,
enum gpiod_flags *dflags)
{
struct device_node *chip_np;
enum of_gpio_flags xlate_flags;
@ -196,13 +196,13 @@ static struct gpio_desc *of_get_gpio_hog(struct device_node *np,
}
/**
* of_gpiochip_scan_hogs - Scan gpio-controller and apply GPIO hog as requested
* of_gpiochip_scan_gpios - Scan gpio-controller for gpio definitions
* @chip: gpio chip to act on
*
* This is only used by of_gpiochip_add to request/set GPIO initial
* configuration.
*/
static void of_gpiochip_scan_hogs(struct gpio_chip *chip)
static void of_gpiochip_scan_gpios(struct gpio_chip *chip)
{
struct gpio_desc *desc = NULL;
struct device_node *np;
@ -214,7 +214,7 @@ static void of_gpiochip_scan_hogs(struct gpio_chip *chip)
if (!of_property_read_bool(np, "gpio-hog"))
continue;
desc = of_get_gpio_hog(np, &name, &lflags, &dflags);
desc = of_parse_own_gpio(np, &name, &lflags, &dflags);
if (IS_ERR(desc))
continue;
@ -440,7 +440,7 @@ int of_gpiochip_add(struct gpio_chip *chip)
of_node_get(chip->of_node);
of_gpiochip_scan_hogs(chip);
of_gpiochip_scan_gpios(chip);
return 0;
}