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Diffstat (limited to 'drivers/gpio/gpiolib.h')
-rw-r--r--drivers/gpio/gpiolib.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpio/gpiolib.h b/drivers/gpio/gpiolib.h
index 9c32d4ace572..30bc3f80f83e 100644
--- a/drivers/gpio/gpiolib.h
+++ b/drivers/gpio/gpiolib.h
@@ -131,6 +131,8 @@ struct gpio_desc {
#endif
};
+#define gpiod_not_found(desc) (IS_ERR(desc) && PTR_ERR(desc) == -ENOENT)
+
int gpiod_request(struct gpio_desc *desc, const char *label);
void gpiod_free(struct gpio_desc *desc);
int gpiod_configure_flags(struct gpio_desc *desc, const char *con_id,