|  | /* | 
|  | *  Atheros AR71XX/AR724X/AR913X common GPIO LEDs support | 
|  | * | 
|  | *  Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org> | 
|  | *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> | 
|  | * | 
|  | *  This program is free software; you can redistribute it and/or modify it | 
|  | *  under the terms of the GNU General Public License version 2 as published | 
|  | *  by the Free Software Foundation. | 
|  | */ | 
|  |  | 
|  | #include <linux/init.h> | 
|  | #include <linux/slab.h> | 
|  | #include <linux/platform_device.h> | 
|  |  | 
|  | #include "dev-leds-gpio.h" | 
|  |  | 
|  | void __init ath79_register_leds_gpio(int id, | 
|  | unsigned num_leds, | 
|  | struct gpio_led *leds) | 
|  | { | 
|  | struct platform_device *pdev; | 
|  | struct gpio_led_platform_data pdata; | 
|  | struct gpio_led *p; | 
|  | int err; | 
|  |  | 
|  | p = kmemdup(leds, num_leds * sizeof(*p), GFP_KERNEL); | 
|  | if (!p) | 
|  | return; | 
|  |  | 
|  | pdev = platform_device_alloc("leds-gpio", id); | 
|  | if (!pdev) | 
|  | goto err_free_leds; | 
|  |  | 
|  | memset(&pdata, 0, sizeof(pdata)); | 
|  | pdata.num_leds = num_leds; | 
|  | pdata.leds = p; | 
|  |  | 
|  | err = platform_device_add_data(pdev, &pdata, sizeof(pdata)); | 
|  | if (err) | 
|  | goto err_put_pdev; | 
|  |  | 
|  | err = platform_device_add(pdev); | 
|  | if (err) | 
|  | goto err_put_pdev; | 
|  |  | 
|  | return; | 
|  |  | 
|  | err_put_pdev: | 
|  | platform_device_put(pdev); | 
|  |  | 
|  | err_free_leds: | 
|  | kfree(p); | 
|  | } |