platform driver: fix incorrect use of 'platform_bus_type' with 'struct device_driver'

[safe/jmp/linux-2.6] / arch / mips / basler / excite / excite_iodev.c

diff --git a/arch/mips/basler/excite/excite_iodev.c b/arch/mips/basler/excite/excite_iodev.c
index 6af0b21..dfbfd7e 100644 (file)
--- a/arch/mips/basler/excite/excite_iodev.c
+++ b/arch/mips/basler/excite/excite_iodev.c
@@ -26,14 +26,15 @@
 #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 *);
@@ -48,7 +49,7 @@ static DECLARE_WAIT_QUEUE_HEAD(wq);
 
 
 
-static struct file_operations fops =
+static const struct file_operations fops =
 {
        .owner          = THIS_MODULE,
        .open           = iodev_open,
@@ -64,13 +65,13 @@ static struct miscdevice miscdev =
        .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),
 };
 
 
@@ -88,11 +89,10 @@ iodev_get_resource(struct platform_device *pdv, const char *name,
 
 
 /* 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;
@@ -103,15 +103,21 @@ static int __init iodev_probe(struct device *dev)
 
 
 
-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)
@@ -153,14 +159,14 @@ static irqreturn_t iodev_irqhdl(int irq, void *ctxt)
 
 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);