Input: gpio-keys - allow disabling individual buttons in DT

Add support to disable buttons from DT via status property if given button
is not supported on given platforms. This will help re-using existing dtsi
files across multiple platforms.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c
index 671cdc9..2909365 100644 (file)
--- a/drivers/input/keyboard/gpio_keys.c
+++ b/drivers/input/keyboard/gpio_keys.c
@@ -630,7 +630,7 @@ gpio_keys_get_devtree_pdata(struct device *dev)
        if (!node)
                return ERR_PTR(-ENODEV);
 
-       nbuttons = of_get_child_count(node);
+       nbuttons = of_get_available_child_count(node);
        if (nbuttons == 0)
                return ERR_PTR(-ENODEV);
 
@@ -648,7 +648,7 @@ gpio_keys_get_devtree_pdata(struct device *dev)
        of_property_read_string(node, "label", &pdata->name);
 
        i = 0;
-       for_each_child_of_node(node, pp) {
+       for_each_available_child_of_node(node, pp) {
                enum of_gpio_flags flags;
 
                button = &pdata->buttons[i++];