#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <linux/miscdevice.h>
+#include <linux/smp_lock.h>
#include "excite_iodev.h"
static const struct resource *iodev_get_resource(struct platform_device *, const char *, unsigned int);
-static int __init iodev_probe(struct device *);
-static int __exit iodev_remove(struct device *);
+static int __init iodev_probe(struct platform_device *);
+static int __exit iodev_remove(struct platform_device *);
static int iodev_open(struct inode *, struct file *);
static int iodev_release(struct inode *, struct file *);
static ssize_t iodev_read(struct file *, char __user *, size_t s, loff_t *);
.fops = &fops
};
-static struct device_driver iodev_driver =
-{
- .name = (char *) iodev_name,
- .bus = &platform_bus_type,
- .owner = THIS_MODULE,
+static struct platform_driver iodev_driver = {
+ .driver = {
+ .name = iodev_name,
+ .owner = THIS_MODULE,
+ },
.probe = iodev_probe,
- .remove = __exit_p(iodev_remove)
+ .remove = __devexit_p(iodev_remove),
};
/* No hotplugging on the platform bus - use __init */
-static int __init iodev_probe(struct device *dev)
+static int __init iodev_probe(struct platform_device *dev)
{
- struct platform_device * const pdv = to_platform_device(dev);
const struct resource * const ri =
- iodev_get_resource(pdv, IODEV_RESOURCE_IRQ, IORESOURCE_IRQ);
+ iodev_get_resource(dev, IODEV_RESOURCE_IRQ, IORESOURCE_IRQ);
if (unlikely(!ri))
return -ENXIO;
-static int __exit iodev_remove(struct device *dev)
+static int __exit iodev_remove(struct platform_device *dev)
{
return misc_deregister(&miscdev);
}
static int iodev_open(struct inode *i, struct file *f)
{
- return request_irq(iodev_irq, iodev_irqhdl, IRQF_DISABLED,
+ int ret;
+
+ lock_kernel();
+ ret = request_irq(iodev_irq, iodev_irqhdl, IRQF_DISABLED,
iodev_name, &miscdev);
+ unlock_kernel();
+
+ return ret;
}
static int iodev_release(struct inode *i, struct file *f)
static int __init iodev_init_module(void)
{
- return driver_register(&iodev_driver);
+ return platform_driver_register(&iodev_driver);
}
static void __exit iodev_cleanup_module(void)
{
- driver_unregister(&iodev_driver);
+ platform_driver_unregister(&iodev_driver);
}
module_init(iodev_init_module);