[kernel] modules/gpio_dev: move to drivers/char/ on older kernels as well, and create a package for it

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@12133 3c298f89-4303-0410-b956-a3cf2f4a3e73

3 files changed, 0 insertions, 217 deletions

diff --git a/target/linux/generic-2.6/files/drivers/gpio/Kconfig b/target/linux/generic-2.6/files/drivers/gpio/Kconfig
deleted file mode 100644
index d97fc1b4f..000000000
--- a/target/linux/generic-2.6/files/drivers/gpio/Kconfig
+++ /dev/null
@@ -1,15 +0,0 @@
-menuconfig NEW_GPIO
-	bool "GPIO Support"
-	depends on GENERIC_GPIO
-	help
-	  Say Y to enable Linux GPIO device support.  This allows control of 
-	  GPIO pins using a character device 
-
-if NEW_GPIO
-
-config GPIO_DEVICE
-	tristate "GPIO device support"
-	help
-	  This option enables the gpio character device 
-
-endif # NEW_GPIO
diff --git a/target/linux/generic-2.6/files/drivers/gpio/Makefile b/target/linux/generic-2.6/files/drivers/gpio/Makefile
deleted file mode 100644
index 166c5c743..000000000
--- a/target/linux/generic-2.6/files/drivers/gpio/Makefile
+++ /dev/null
@@ -1 +0,0 @@
-obj-$(CONFIG_GPIO_DEVICE)	+= gpio_dev.o
diff --git a/target/linux/generic-2.6/files/drivers/gpio/gpio_dev.c b/target/linux/generic-2.6/files/drivers/gpio/gpio_dev.c
deleted file mode 100644
index 48ef76f8a..000000000
--- a/target/linux/generic-2.6/files/drivers/gpio/gpio_dev.c
+++ /dev/null
@@ -1,201 +0,0 @@
-/*
- * character device wrapper for generic gpio layer
- *
- * 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., 59 Temple Place, Suite 330, Boston, MA02111-1307USA
- *
- * Feedback, Bugs...  blogic@openwrt.org
- *
- */
-
-#include <linux/module.h>
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <asm/uaccess.h>
-#include <asm/io.h>
-#include <asm/gpio.h>
-#include <asm/atomic.h>
-#include <linux/init.h>
-#include <linux/genhd.h>
-#include <linux/device.h>
-#include <linux/platform_device.h>
-#include <linux/gpio_dev.h>
-
-#define DRVNAME		"gpiodev"
-#define DEVNAME		"gpio"
-
-static int dev_major;
-static unsigned int gpio_access_mask;
-static struct class *gpio_class;
-
-/* Counter is 1, if the device is not opened and zero (or less) if opened. */
-static atomic_t gpio_open_cnt = ATOMIC_INIT(1);
-
-static int
-gpio_ioctl(struct inode * inode, struct file * file, unsigned int cmd, unsigned long arg)
-{
-	int retval = 0;
-
-	if (((1 << arg) & gpio_access_mask) != (1 << arg))
-	{
-		retval = -EINVAL;
-		goto out;
-	}
-
-	switch (cmd)
-	{
-	case GPIO_GET:
-		retval = gpio_get_value(arg);
-		break;
-
-	case GPIO_SET:
-		gpio_set_value(arg, 1);
-		break;
-
-	case GPIO_CLEAR:
-		gpio_set_value(arg, 0);
-		break;
-
-	case GPIO_DIR_IN:
-		gpio_direction_input(arg);
-		break;
-
-	case GPIO_DIR_OUT:
-		gpio_direction_output(arg, 0);
-		break;
-
-	default:
-		retval = -EINVAL;
-		break;
-	}
-
-out:
-	return retval;
-}
-
-static int
-gpio_open(struct inode *inode, struct file *file)
-{
-	int result = 0;
-	unsigned int dev_minor = MINOR(inode->i_rdev);
-
-	if (dev_minor != 0)
-	{
-		printk(KERN_ERR DRVNAME ": trying to access unknown minor device -> %d\n", dev_minor);
-		result = -ENODEV;
-		goto out;
-	}
-
-	/* FIXME: We should really allow multiple applications to open the device
-	 *        at the same time, as long as the apps access different IO pins.
-	 *        The generic gpio-registration functions can be used for that.
-	 *        Two new IOCTLs have to be introduced for that. Need to check userspace
-	 *        compatibility first. --mb */
-	if (!atomic_dec_and_test(&gpio_open_cnt)) {
-		atomic_inc(&gpio_open_cnt);
-		printk(KERN_ERR DRVNAME ": Device with minor ID %d already in use\n", dev_minor);
-		result = -EBUSY;
-		goto out;
-	}
-
-out:
-	return result;
-}
-
-static int
-gpio_close(struct inode * inode, struct file * file)
-{
-	smp_mb__before_atomic_inc();
-	atomic_inc(&gpio_open_cnt);
-
-	return 0;
-}
-
-struct file_operations gpio_fops = {
-	ioctl:		gpio_ioctl,
-	open:		gpio_open,
-	release:	gpio_close
-};
-
-static int
-gpio_probe(struct platform_device *dev)
-{
-	int result = 0;
-
-	dev_major = register_chrdev(0, DEVNAME, &gpio_fops);
-	if (!dev_major)
-	{
-		printk(KERN_ERR DRVNAME ": Error whilst opening %s \n", DEVNAME);
-		result = -ENODEV;
-		goto out;
-	}
-
-	gpio_class = class_create(THIS_MODULE, DEVNAME);
-	class_device_create(gpio_class, NULL, MKDEV(dev_major, 0), NULL, DEVNAME);
-
-	printk(KERN_INFO DRVNAME ": gpio device registered with major %d\n", dev_major);
-
-	if (dev->num_resources != 1)
-	{
-		printk(KERN_ERR DRVNAME ": device may only have 1 resource\n");
-		result = -ENODEV;
-		goto out;
-	}
-
-	gpio_access_mask = dev->resource[0].start;
-
-	printk(KERN_INFO DRVNAME ": gpio platform device registered with access mask %08X\n", gpio_access_mask);
-out:
-	return result;
-}
-
-static int
-gpio_remove(struct platform_device *dev)
-{
-	unregister_chrdev(dev_major, DEVNAME);
-	return 0;
-}
-
-static struct
-platform_driver gpio_driver = {
-	.probe = gpio_probe,
-	.remove = gpio_remove,
-	.driver = {
-		.name = "GPIODEV",
-		.owner = THIS_MODULE,
-	},
-};
-
-static int __init
-gpio_mod_init(void)
-{
-	int ret = platform_driver_register(&gpio_driver);
-	if (ret)
-		printk(KERN_INFO DRVNAME ": Error registering platfom driver!");
-
-	return ret;
-}
-
-static void __exit
-gpio_mod_exit(void)
-{
-	platform_driver_unregister(&gpio_driver);
-}
-
-module_init (gpio_mod_init);
-module_exit (gpio_mod_exit);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("John Crispin / OpenWrt");
-MODULE_DESCRIPTION("Character device for for generic gpio api");