/*
- * linux/drivers/char/ar7_gpio.c
- *
- * Copyright (C) 2007 OpenWrt.org
- *
+ * Copyright (C) 2007 Nicolas Thill <nico@openwrt.org>
+ *
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
+ *
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
- *
+ *
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
-#include <asm/uaccess.h>
-#include <asm/io.h>
-
+#include <linux/uaccess.h>
+#include <linux/io.h>
#include <linux/types.h>
#include <linux/cdev.h>
#include <gpio.h>
MODULE_DESCRIPTION(LONGNAME);
MODULE_LICENSE("GPL");
-static int ar7_gpio_major = 0;
+static int ar7_gpio_major;
static ssize_t ar7_gpio_write(struct file *file, const char __user *buf,
size_t len, loff_t *ppos)
case 'o':
case 'O':
case '>':
- gpio_direction_output(pin);
+ gpio_direction_output(pin, 0);
break;
default:
return -EINVAL;
return len;
}
-static ssize_t ar7_gpio_read(struct file *file, char __user * buf,
- size_t len, loff_t * ppos)
+static ssize_t ar7_gpio_read(struct file *file, char __user *buf,
+ size_t len, loff_t *ppos)
{
int pin = iminor(file->f_dentry->d_inode);
int value;
{
int m = iminor(inode);
- if (m >= AR7_GPIO_MAX)
+ if (m >= (ar7_is_titan() ? TITAN_GPIO_MAX : AR7_GPIO_MAX))
return -EINVAL;
return nonseekable_open(inode, file);
static struct platform_device *ar7_gpio_device;
-static int __init ar7_gpio_init(void)
+static int __init ar7_gpio_char_init(void)
{
int rc;
return rc;
}
-static void __exit ar7_gpio_exit(void)
+static void __exit ar7_gpio_char_exit(void)
{
unregister_chrdev(ar7_gpio_major, DRVNAME);
platform_device_unregister(ar7_gpio_device);
}
-module_init(ar7_gpio_init);
-module_exit(ar7_gpio_exit);
+module_init(ar7_gpio_char_init);
+module_exit(ar7_gpio_char_exit);