1 files changed, 6 insertions, 5 deletions

diff --git a/drivers/input/keyboard/lpc32xx-keys.c b/drivers/input/keyboard/lpc32xx-keys.c
index 1b8add6cfb9d..42181435fe67 100644
--- a/drivers/input/keyboard/lpc32xx-keys.c
+++ b/drivers/input/keyboard/lpc32xx-keys.c
@@ -144,12 +144,13 @@ static int lpc32xx_parse_dt(struct device *dev,
 {
         struct device_node *np = dev->of_node;
         u32 rows = 0, columns = 0;
+        int err;
 
-        of_property_read_u32(np, "keypad,num-rows", &rows);
-        of_property_read_u32(np, "keypad,num-columns", &columns);
-        if (!rows || rows != columns) {
-                dev_err(dev,
-                        "rows and columns must be specified and be equal!\n");
+        err = matrix_keypad_parse_of_params(dev, &rows, &columns);
+        if (err)
+                return err;
+        if (rows != columns) {
+                dev_err(dev, "rows and columns must be equal!\n");
                 return -EINVAL;
         }