Input: samsung-keypad - use of_get_child_count() helper
Use of_get_child_count() instead of custom implementation.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
diff --git a/drivers/input/keyboard/samsung-keypad.c b/drivers/input/keyboard/samsung-keypad.c
index e2f31c8..277e26d 100644
--- a/drivers/input/keyboard/samsung-keypad.c
+++ b/drivers/input/keyboard/samsung-keypad.c
@@ -256,7 +256,7 @@
struct matrix_keymap_data *keymap_data;
uint32_t *keymap, num_rows = 0, num_cols = 0;
struct device_node *np = dev->of_node, *key_np;
- unsigned int key_count = 0;
+ unsigned int key_count;
pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
if (!pdata) {
@@ -280,9 +280,7 @@
}
pdata->keymap_data = keymap_data;
- for_each_child_of_node(np, key_np)
- key_count++;
-
+ key_count = of_get_child_count(np);
keymap_data->keymap_size = key_count;
keymap = devm_kzalloc(dev, sizeof(uint32_t) * key_count, GFP_KERNEL);
if (!keymap) {