Input: maceps2 - convert to the new platform device interface

Do not use platform_device_register_simple() as it is going away,
implement ->probe() and ->remove() functions so manual binding and
unbinding will work with this driver.

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

1 files changed, 52 insertions, 16 deletions

diff --git a/drivers/input/serio/maceps2.c b/drivers/input/serio/maceps2.c
index d857f7081adb..f08a5d0cd5fa 100644
--- a/drivers/input/serio/maceps2.c
+++ b/drivers/input/serio/maceps2.c
@@ -118,13 +118,12 @@ static void maceps2_close(struct serio *dev)
 }
 
 
-static struct serio * __init maceps2_allocate_port(int idx)
+static struct serio * __devinit maceps2_allocate_port(int idx)
 {
         struct serio *serio;
 
-        serio = kmalloc(sizeof(struct serio), GFP_KERNEL);
+        serio = kzalloc(sizeof(struct serio), GFP_KERNEL);
         if (serio) {
-                memset(serio, 0, sizeof(struct serio));
                 serio->id.type          = SERIO_8042;
                 serio->write            = maceps2_write;
                 serio->open             = maceps2_open;
@@ -138,24 +137,13 @@ static struct serio * __init maceps2_allocate_port(int idx)
         return serio;
 }
 
-
-static int __init maceps2_init(void)
+static int __devinit maceps2_probe(struct platform_device *dev)
 {
-        maceps2_device = platform_device_register_simple("maceps2", -1, NULL, 0);
-        if (IS_ERR(maceps2_device))
-                return PTR_ERR(maceps2_device);
-
-        port_data[0].port = &mace->perif.ps2.keyb;
-        port_data[0].irq  = MACEISA_KEYB_IRQ;
-        port_data[1].port = &mace->perif.ps2.mouse;
-        port_data[1].irq  = MACEISA_MOUSE_IRQ;
-
         maceps2_port[0] = maceps2_allocate_port(0);
         maceps2_port[1] = maceps2_allocate_port(1);
         if (!maceps2_port[0] || !maceps2_port[1]) {
                 kfree(maceps2_port[0]);
                 kfree(maceps2_port[1]);
-                platform_device_unregister(maceps2_device);
                 return -ENOMEM;
         }
 
@@ -165,11 +153,59 @@ static int __init maceps2_init(void)
         return 0;
 }
 
-static void __exit maceps2_exit(void)
+static int __devexit maceps2_remove(struct platform_device *dev)
 {
         serio_unregister_port(maceps2_port[0]);
         serio_unregister_port(maceps2_port[1]);
+
+        return 0;
+}
+
+static struct platform_driver maceps2_driver = {
+        .driver         = {
+                .name   = "maceps2",
+                .owner  = THIS_MODULE,
+        },
+        .probe          = maceps2_probe,
+        .remove         = __devexit_p(maceps2_remove),
+};
+
+static int __init maceps2_init(void)
+{
+        int error;
+
+        error = platform_driver_register(&maceps2_driver);
+        if (error)
+                return error;
+
+        maceps2_device = platform_device_alloc("maceps2", -1);
+        if (!maceps2_device) {
+                error = -ENOMEM;
+                goto err_unregister_driver;
+        }
+
+        port_data[0].port = &mace->perif.ps2.keyb;
+        port_data[0].irq  = MACEISA_KEYB_IRQ;
+        port_data[1].port = &mace->perif.ps2.mouse;
+        port_data[1].irq  = MACEISA_MOUSE_IRQ;
+
+        error = platform_device_add(maceps2_device);
+        if (error)
+                goto err_free_device;
+
+        return 0;
+
+ err_free_device:
+        platform_device_put(maceps2_device);
+ err_unregister_driver:
+        platform_driver_unregister(&maceps2_driver);
+        return error;
+}
+
+static void __exit maceps2_exit(void)
+{
         platform_device_unregister(maceps2_device);
+        platform_driver_unregister(&maceps2_driver);
 }
 
 module_init(maceps2_init);