Input: m68kspkr - register with driver core as a platfrom device

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

diff --git a/drivers/input/misc/m68kspkr.c b/drivers/input/misc/m68kspkr.c
index 04489ad7702a21c9c31baed48bc963a695217cc9..8d6c3837badb78a51f89f585d464d3cbdf043f84 100644 (file)
--- a/drivers/input/misc/m68kspkr.c
+++ b/drivers/input/misc/m68kspkr.c
@@ -17,6 +17,7 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/input.h>
+#include <linux/platform_device.h>
 #include <asm/machdep.h>
 #include <asm/io.h>
 
@@ -24,7 +25,7 @@ MODULE_AUTHOR("Richard Zidlicky <rz@linux-m68k.org>");
 MODULE_DESCRIPTION("m68k beeper driver");
 MODULE_LICENSE("GPL");
 
-static struct input_dev *m68kspkr_dev;
+static struct platform_device *m68kspkr_platform_device;
 
 static int m68kspkr_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
 {
@@ -47,36 +48,103 @@ static int m68kspkr_event(struct input_dev *dev, unsigned int type, unsigned int
        return 0;
 }
 
+static int __devinit m68kspkr_probe(struct platform_device *dev)
+{
+       struct input_dev *input_dev;
+       int err;
+
+       input_dev = input_allocate_device();
+       if (!input_dev)
+               return -ENOMEM;
+
+       input_dev->name = "m68k beeper";
+       input_dev->phys = "m68k/generic";
+       input_dev->id.bustype = BUS_HOST;
+       input_dev->id.vendor  = 0x001f;
+       input_dev->id.product = 0x0001;
+       input_dev->id.version = 0x0100;
+       input_dev->cdev.dev = &dev->dev;
+
+       input_dev->evbit[0] = BIT(EV_SND);
+       input_dev->sndbit[0] = BIT(SND_BELL) | BIT(SND_TONE);
+       input_dev->event = m68kspkr_event;
+
+       err = input_register_device(input_dev);
+       if (err) {
+               input_free_device(input_dev);
+               return err;
+       }
+
+       platform_set_drvdata(dev, input_dev);
+
+       return 0;
+}
+
+static int __devexit m68kspkr_remove(struct platform_device *dev)
+{
+       struct input_dev *input_dev = platform_get_drvdata(dev);
+
+       input_unregister_device(input_dev);
+       platform_set_drvdata(dev, NULL);
+       /* turn off the speaker */
+       m68kspkr_event(NULL, EV_SND, SND_BELL, 0);
+
+       return 0;
+}
+
+static void m68kspkr_shutdown(struct platform_device *dev)
+{
+       /* turn off the speaker */
+       m68kspkr_event(NULL, EV_SND, SND_BELL, 0);
+}
+
+static struct platform_driver m68kspkr_platform_driver = {
+       .driver         = {
+               .name   = "m68kspkr",
+               .owner  = THIS_MODULE,
+       },
+       .probe          = m68kspkr_probe,
+       .remove         = __devexit_p(m68kspkr_remove),
+       .shutdown       = m68kspkr_shutdown,
+};
+
 static int __init m68kspkr_init(void)
 {
-        if (!mach_beep) {
+       int err;
+
+       if (!mach_beep) {
                printk(KERN_INFO "m68kspkr: no lowlevel beep support\n");
                return -ENODEV;
         }
 
-       m68kspkr_dev = input_allocate_device();
-       if (!m68kspkr_dev)
-               return -ENOMEM;
-
-       m68kspkr_dev->name = "m68k beeper";
-       m68kspkr_dev->phys = "m68k/generic";
-       m68kspkr_dev->id.bustype = BUS_HOST;
-       m68kspkr_dev->id.vendor = 0x001f;
-       m68kspkr_dev->id.product = 0x0001;
-       m68kspkr_dev->id.version = 0x0100;
+       err = platform_driver_register(&m68kspkr_platform_driver);
+       if (err)
+               return err;
 
-       m68kspkr_dev->evbit[0] = BIT(EV_SND);
-       m68kspkr_dev->sndbit[0] = BIT(SND_BELL) | BIT(SND_TONE);
-       m68kspkr_dev->event = m68kspkr_event;
+       m68kspkr_platform_device = platform_device_alloc("m68kspkr", -1);
+       if (!m68kspkr_platform_device) {
+               err = -ENOMEM;
+               goto err_unregister_driver;
+       }
 
-       input_register_device(m68kspkr_dev);
+       err = platform_device_add(m68kspkr_platform_device);
+       if (err)
+               goto err_free_device;
 
        return 0;
+
+ err_free_device:
+       platform_device_put(m68kspkr_platform_device);
+ err_unregister_driver:
+       platform_driver_unregister(&m68kspkr_platform_driver);
+
+       return err;
 }
 
 static void __exit m68kspkr_exit(void)
 {
-        input_unregister_device(m68kspkr_dev);
+       platform_device_unregister(m68kspkr_platform_device);
+       platform_driver_unregister(&m68kspkr_platform_driver);
 }
 
 module_init(m68kspkr_init);