[PATCH 2/2] input: keyboard: gpio-keys-polled: skip oftree code when CONFIG_OF disabled

[Enrico Weigelt, metux IT consult]

we don't need to build in oftree probing stuff when oftree isn't
enabled at all.

changes v2: use of_match_ptr() macro instead of ifdef's

Signed-off-by: Enrico Weigelt, metux IT consult <i...@metux.net>
---
 drivers/input/keyboard/gpio_keys_polled.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/input/keyboard/gpio_keys_polled.c 
b/drivers/input/keyboard/gpio_keys_polled.c
index 91754de..d8123ad 100644
--- a/drivers/input/keyboard/gpio_keys_polled.c
+++ b/drivers/input/keyboard/gpio_keys_polled.c
@@ -144,6 +144,7 @@ static void gpio_keys_polled_close(struct input_polled_dev 
*dev)
 static struct gpio_keys_platform_data *
 gpio_keys_polled_get_devtree_pdata(struct device *dev)
 {
+#ifdef CONFIG_OF
        struct gpio_keys_platform_data *pdata;
        struct gpio_keys_button *button;
        struct fwnode_handle *child;
@@ -199,6 +200,9 @@ static void gpio_keys_polled_close(struct input_polled_dev 
*dev)
        }
 
        return pdata;
+#else /* CONFIG_OF */
+       return ERR_PTR(-ENOENT);
+#endif /* CONFIG_OF */
 }
 
 static void gpio_keys_polled_set_abs_params(struct input_dev *input,
@@ -221,11 +225,13 @@ static void gpio_keys_polled_set_abs_params(struct 
input_dev *input,
        input_set_abs_params(input, code, min, max, 0, 0);
 }
 
+#ifdef CONFIG_OF
 static const struct of_device_id gpio_keys_polled_of_match[] = {
        { .compatible = "gpio-keys-polled", },
        { },
 };
 MODULE_DEVICE_TABLE(of, gpio_keys_polled_of_match);
+#endif /* CONFIG_OF */
 
 static struct gpio_desc *gpio_keys_polled_get_gpiod_fwnode(
        struct device *dev,
@@ -448,7 +454,7 @@ static int gpio_keys_polled_probe(struct platform_device 
*pdev)
        .probe  = gpio_keys_polled_probe,
        .driver = {
                .name   = DRV_NAME,
-               .of_match_table = gpio_keys_polled_of_match,
+               .of_match_table = of_match_ptr(gpio_keys_polled_of_match),
        },
 };
 module_platform_driver(gpio_keys_polled_driver);
-- 
1.9.1