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path: root/target/linux/etrax/patches-2.6.30/610-create-the-gpio-devices.patch
blob: 27e13c2baf67b56eec16fd2fa7ed028c5bf99b6b (plain)
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--- 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;
 }