gpio: reintroduce devm_get_gpiod_from_child()
We need to keep this API around for the merge window to avoid
nasty build problems in the merges.
Cc: Lee Jones <lee.jones@linaro.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/include/linux/gpio/consumer.h b/include/linux/gpio/consumer.h
index ea9b01d..2484b2f 100644
--- a/include/linux/gpio/consumer.h
+++ b/include/linux/gpio/consumer.h
@@ -143,6 +143,16 @@
struct fwnode_handle *child,
enum gpiod_flags flags,
const char *label);
+/* FIXME: delete this helper when users are switched over */
+static inline struct gpio_desc *devm_get_gpiod_from_child(struct device *dev,
+ const char *con_id, struct fwnode_handle *child)
+{
+ return devm_fwnode_get_index_gpiod_from_child(dev, con_id,
+ 0, child,
+ GPIOD_ASIS,
+ "?");
+}
+
#else /* CONFIG_GPIOLIB */
static inline int gpiod_count(struct device *dev, const char *con_id)
@@ -434,6 +444,13 @@
return ERR_PTR(-ENOSYS);
}
+/* FIXME: delete this when all users are switched over */
+static inline struct gpio_desc *devm_get_gpiod_from_child(struct device *dev,
+ const char *con_id, struct fwnode_handle *child)
+{
+ return ERR_PTR(-ENOSYS);
+}
+
#endif /* CONFIG_GPIOLIB */
static inline