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openwrt-xburst/target/linux/etrax/patches-2.6.30/610-create-the-gpio-devices.patch
claudio ac209c67b4 [etrax] Implement sysfs interface for some specific cris driver
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17805 3c298f89-4303-0410-b956-a3cf2f4a3e73
2009-10-01 15:44:28 +00:00

51 lines
1.3 KiB
Diff

--- a/arch/cris/arch-v10/drivers/gpio.c
+++ b/arch/cris/arch-v10/drivers/gpio.c
@@ -21,6 +21,7 @@
#include <linux/poll.h>
#include <linux/init.h>
#include <linux/interrupt.h>
+#include <linux/device.h>
#include <asm/etraxgpio.h>
#include <arch/svinto.h>
@@ -771,6 +772,8 @@ static void ioif_watcher(const unsigned
/* main driver initialization routine, called from mem.c */
+static struct class *gp_class;
+
static int __init gpio_init(void)
{
int res;
@@ -784,6 +787,8 @@ static int __init gpio_init(void)
return res;
}
+ gp_class = class_create(THIS_MODULE, "gpio_etrax");
+
/* Clear all leds */
#if defined (CONFIG_ETRAX_CSP0_LEDS) || defined (CONFIG_ETRAX_PA_LEDS) || defined (CONFIG_ETRAX_PB_LEDS)
CRIS_LED_NETWORK_SET(0);
@@ -796,6 +801,8 @@ static int __init gpio_init(void)
CRIS_LED_BIT_SET(i);
#endif
+ device_create(gp_class, NULL,
+ MKDEV(GPIO_MAJOR, 2), NULL, "leds");
#endif
/* The I/O interface allocation watcher will be called when
* registering it. */
@@ -822,6 +829,12 @@ static int __init gpio_init(void)
if (res)
printk(KERN_CRIT "err: PA irq for gpio\n");
+ device_create(gp_class, NULL,
+ MKDEV(GPIO_MAJOR, 0), NULL, "gpioa");
+ device_create(gp_class, NULL,
+ MKDEV(GPIO_MAJOR, 1), NULL, "gpiob");
+ device_create(gp_class, NULL,
+ MKDEV(GPIO_MAJOR, 3), NULL, "gpiog");
return res;
}