target/linux/etrax/patches-2.6.30/610-create-the-gpio-devices.patch

   1 --- a/arch/cris/arch-v10/drivers/gpio.c
   2 +++ b/arch/cris/arch-v10/drivers/gpio.c
   3 @@ -21,6 +21,7 @@
   4  #include <linux/poll.h>
   5  #include <linux/init.h>
   6  #include <linux/interrupt.h>
   7 +#include <linux/device.h>
   8
   9  #include <asm/etraxgpio.h>
  10  #include <arch/svinto.h>
  11 @@ -771,6 +772,8 @@ static void ioif_watcher(const unsigned
  12
  13  /* main driver initialization routine, called from mem.c */
  14
  15 +static struct class *gp_class;
  16 +
  17  static int __init gpio_init(void)
  18  {
  19         int res;
  20 @@ -784,6 +787,8 @@ static int __init gpio_init(void)
  21                 return res;
  22         }
  23
  24 +       gp_class = class_create(THIS_MODULE, "gpio_etrax");
  25 +
  26         /* Clear all leds */
  27  #if defined (CONFIG_ETRAX_CSP0_LEDS) ||  defined (CONFIG_ETRAX_PA_LEDS) || defined (CONFIG_ETRAX_PB_LEDS)
  28         CRIS_LED_NETWORK_SET(0);
  29 @@ -796,6 +801,8 @@ static int __init gpio_init(void)
  30                 CRIS_LED_BIT_SET(i);
  31  #endif
  32
  33 +       device_create(gp_class, NULL,
  34 +               MKDEV(GPIO_MAJOR, 2), NULL, "leds");
  35  #endif
  36         /* The I/O interface allocation watcher will be called when
  37          * registering it. */
  38 @@ -822,6 +829,12 @@ static int __init gpio_init(void)
  39         if (res)
  40                 printk(KERN_CRIT "err: PA irq for gpio\n");
  41
  42 +       device_create(gp_class, NULL,
  43 +               MKDEV(GPIO_MAJOR, 0), NULL, "gpioa");
  44 +       device_create(gp_class, NULL,
  45 +               MKDEV(GPIO_MAJOR, 1), NULL, "gpiob");
  46 +       device_create(gp_class, NULL,
  47 +               MKDEV(GPIO_MAJOR, 3), NULL, "gpiog");
  48         return res;
  49  }
  50