leds: lt3593: Make use of device properties

Device property API allows to gather device resources from different sources,
such as ACPI. Convert the driver to unleash the power of device property API.

Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>

diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index c81b1e6..bdf1618 100644 (file)
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -617,7 +617,6 @@ config LEDS_LT3593
        tristate "LED driver for LT3593 controllers"
        depends on LEDS_CLASS
        depends on GPIOLIB || COMPILE_TEST
-       depends on OF
        help
          This option enables support for LEDs driven by a Linear Technology
          LT3593 controller. This controller uses a special one-wire pulse

diff --git a/drivers/leds/leds-lt3593.c b/drivers/leds/leds-lt3593.c
index 68e0643..3bb52d3 100644 (file)
--- a/drivers/leds/leds-lt3593.c
+++ b/drivers/leds/leds-lt3593.c
@@ -7,8 +7,9 @@
 #include <linux/delay.h>
 #include <linux/gpio/consumer.h>
 #include <linux/slab.h>
+#include <linux/mod_devicetable.h>
 #include <linux/module.h>
-#include <linux/of.h>
+#include <linux/property.h>
 
 #define LED_LT3593_NAME "lt3593"
 
@@ -68,9 +69,6 @@ static int lt3593_led_probe(struct platform_device *pdev)
        struct led_init_data init_data = {};
        const char *tmp;
 
-       if (!dev_of_node(dev))
-               return -ENODEV;
-
        led_data = devm_kzalloc(dev, sizeof(*led_data), GFP_KERNEL);
        if (!led_data)
                return -ENOMEM;
@@ -119,7 +117,7 @@ static struct platform_driver lt3593_led_driver = {
        .probe          = lt3593_led_probe,
        .driver         = {
                .name   = "leds-lt3593",
-               .of_match_table = of_match_ptr(of_lt3593_leds_match),
+               .of_match_table = of_lt3593_leds_match,
        },
 };