target/linux/lantiq/patches-3.0/540-dev-leds-gpio.patch

   1 --- /dev/null
   2 +++ b/arch/mips/include/asm/mach-lantiq/dev-leds-gpio.h
   3 @@ -0,0 +1,21 @@
   4 +/*
   5 + *  Lantiq GPIO LED device support
   6 + *
   7 + *  Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
   8 + *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
   9 + *
  10 + *  This program is free software; you can redistribute it and/or modify it
  11 + *  under the terms of the GNU General Public License version 2 as published
  12 + *  by the Free Software Foundation.
  13 + */
  14 +
  15 +#ifndef _LANTIQ_DEV_LEDS_GPIO_H
  16 +#define _LANTIQ_DEV_LEDS_GPIO_H
  17 +
  18 +#include <linux/leds.h>
  19 +
  20 +void ltq_add_device_leds_gpio(int id,
  21 +                                unsigned num_leds,
  22 +                                struct gpio_led *leds) __init;
  23 +
  24 +#endif /* _LANTIQ_DEV_LEDS_GPIO_H */
  25 --- /dev/null
  26 +++ b/arch/mips/lantiq/dev-leds-gpio.c
  27 @@ -0,0 +1,57 @@
  28 +/*
  29 + *  Lantiq GPIO LED device support
  30 + *
  31 + *  Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
  32 + *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
  33 + *
  34 + *  Parts of this file are based on Atheros' 2.6.15 BSP
  35 + *
  36 + *  This program is free software; you can redistribute it and/or modify it
  37 + *  under the terms of the GNU General Public License version 2 as published
  38 + *  by the Free Software Foundation.
  39 + */
  40 +
  41 +#include <linux/init.h>
  42 +#include <linux/slab.h>
  43 +#include <linux/platform_device.h>
  44 +
  45 +#include "dev-leds-gpio.h"
  46 +
  47 +void __init ltq_add_device_leds_gpio(int id, unsigned num_leds,
  48 +                                       struct gpio_led *leds)
  49 +{
  50 +       struct platform_device *pdev;
  51 +       struct gpio_led_platform_data pdata;
  52 +       struct gpio_led *p;
  53 +       int err;
  54 +
  55 +       p = kmalloc(num_leds * sizeof(*p), GFP_KERNEL);
  56 +       if (!p)
  57 +               return;
  58 +
  59 +       memcpy(p, leds, num_leds * sizeof(*p));
  60 +
  61 +       pdev = platform_device_alloc("leds-gpio", id);
  62 +       if (!pdev)
  63 +               goto err_free_leds;
  64 +
  65 +       memset(&pdata, 0, sizeof(pdata));
  66 +       pdata.num_leds = num_leds;
  67 +       pdata.leds = p;
  68 +
  69 +       err = platform_device_add_data(pdev, &pdata, sizeof(pdata));
  70 +       if (err)
  71 +               goto err_put_pdev;
  72 +
  73 +       err = platform_device_add(pdev);
  74 +       if (err)
  75 +               goto err_put_pdev;
  76 +
  77 +       return;
  78 +
  79 +err_put_pdev:
  80 +       platform_device_put(pdev);
  81 +
  82 +err_free_leds:
  83 +       kfree(p);
  84 +}
  85 --- a/arch/mips/lantiq/Makefile
  86 +++ b/arch/mips/lantiq/Makefile
  87 @@ -4,7 +4,7 @@
  88  # under the terms of the GNU General Public License version 2 as published
  89  # by the Free Software Foundation.
  90
  91 -obj-y := irq.o setup.o clk.o prom.o devices.o
  92 +obj-y := irq.o setup.o clk.o prom.o devices.o dev-leds-gpio.o
  93
  94  obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
  95