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path: root/drivers/gpio/gpiolib.c
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Diffstat (limited to 'drivers/gpio/gpiolib.c')
-rw-r--r--drivers/gpio/gpiolib.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 0495bf1d480a..cb0ffe7fb27e 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -2565,8 +2565,20 @@ EXPORT_SYMBOL_GPL(gpiochip_free_own_desc);
static int gpio_set_config(struct gpio_chip *gc, unsigned offset,
enum pin_config_param mode)
{
- unsigned long config = { PIN_CONF_PACKED(mode, 0) };
+ unsigned long config;
+ unsigned arg;
+ switch (mode) {
+ case PIN_CONFIG_BIAS_PULL_DOWN:
+ case PIN_CONFIG_BIAS_PULL_UP:
+ arg = 1;
+ break;
+
+ default:
+ arg = 0;
+ }
+
+ config = PIN_CONF_PACKED(mode, arg);
return gc->set_config ? gc->set_config(gc, offset, config) : -ENOTSUPP;
}
@@ -4445,8 +4457,6 @@ int gpiod_hog(struct gpio_desc *desc, const char *name,
/**
* gpiochip_free_hogs - Scan gpio-controller chip and release GPIO hog
* @chip: gpio chip to act on
- *
- * This is only used by of_gpiochip_remove to free hogged gpios
*/
static void gpiochip_free_hogs(struct gpio_chip *chip)
{