From ac209c67b4033914ba7fc83cbbe84526a2131eb2 Mon Sep 17 00:00:00 2001
From: claudio <claudio@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Thu, 1 Oct 2009 15:44:28 +0000
Subject: [etrax] Implement sysfs interface for some specific cris driver

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17805 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 .../610-create-the-gpio-devices.patch              | 50 ++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 target/linux/etrax/patches-2.6.30/610-create-the-gpio-devices.patch

(limited to 'target/linux/etrax/patches-2.6.30/610-create-the-gpio-devices.patch')

diff --git a/target/linux/etrax/patches-2.6.30/610-create-the-gpio-devices.patch b/target/linux/etrax/patches-2.6.30/610-create-the-gpio-devices.patch
new file mode 100644
index 000000000..27e13c2ba
--- /dev/null
+++ b/target/linux/etrax/patches-2.6.30/610-create-the-gpio-devices.patch
@@ -0,0 +1,50 @@
+--- 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;
+ }
+ 
-- 
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