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d8fec1fc GJ |
1 | /* |
2 | * Atheros AR71XX/AR724X/AR913X common GPIO LEDs support | |
3 | * | |
4 | * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org> | |
5 | * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify it | |
8 | * under the terms of the GNU General Public License version 2 as published | |
9 | * by the Free Software Foundation. | |
10 | */ | |
11 | ||
12 | #include <linux/init.h> | |
13 | #include <linux/slab.h> | |
14 | #include <linux/platform_device.h> | |
15 | ||
16 | #include "dev-leds-gpio.h" | |
17 | ||
18 | void __init ath79_register_leds_gpio(int id, | |
19 | unsigned num_leds, | |
20 | struct gpio_led *leds) | |
21 | { | |
22 | struct platform_device *pdev; | |
23 | struct gpio_led_platform_data pdata; | |
24 | struct gpio_led *p; | |
25 | int err; | |
26 | ||
97bf7a19 | 27 | p = kmemdup(leds, num_leds * sizeof(*p), GFP_KERNEL); |
d8fec1fc GJ |
28 | if (!p) |
29 | return; | |
30 | ||
d8fec1fc GJ |
31 | pdev = platform_device_alloc("leds-gpio", id); |
32 | if (!pdev) | |
33 | goto err_free_leds; | |
34 | ||
35 | memset(&pdata, 0, sizeof(pdata)); | |
36 | pdata.num_leds = num_leds; | |
37 | pdata.leds = p; | |
38 | ||
39 | err = platform_device_add_data(pdev, &pdata, sizeof(pdata)); | |
40 | if (err) | |
41 | goto err_put_pdev; | |
42 | ||
43 | err = platform_device_add(pdev); | |
44 | if (err) | |
45 | goto err_put_pdev; | |
46 | ||
47 | return; | |
48 | ||
49 | err_put_pdev: | |
50 | platform_device_put(pdev); | |
51 | ||
52 | err_free_leds: | |
53 | kfree(p); | |
54 | } |