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leds: lt3593: Make use of device properties

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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>
This commit is contained in:
Andy Shevchenko 2021-05-10 12:50:42 +03:00 committed by Pavel Machek
parent f1e1d532da
commit d33e98a1f3
2 changed files with 3 additions and 6 deletions
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1
drivers/leds/Kconfig
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@ -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

8
drivers/leds/leds-lt3593.c
View File

@ -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,
},
};