[PATCH] Input: convert drivers/macintosh to dynamic input_dev allocation

Input: convert drivers/macntosh to dynamic input_dev allocation

This is required for input_dev sysfs integration

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 22 insertions, 18 deletions

diff --git a/drivers/macintosh/mac_hid.c b/drivers/macintosh/mac_hid.c
index 5ad3a5a9eb7f..a66636116f0b 100644
--- a/drivers/macintosh/mac_hid.c
+++ b/drivers/macintosh/mac_hid.c
@@ -16,8 +16,8 @@
 #include <linux/module.h>
 
 
-static struct input_dev emumousebtn;
-static void emumousebtn_input_register(void);
+static struct input_dev *emumousebtn;
+static int emumousebtn_input_register(void);
 static int mouse_emulate_buttons = 0;
 static int mouse_button2_keycode = KEY_RIGHTCTRL;       /* right control key */
 static int mouse_button3_keycode = KEY_RIGHTALT;        /* right option key */
@@ -90,10 +90,10 @@ int mac_hid_mouse_emulate_buttons(int caller, unsigned int keycode, int down)
                     && (keycode == mouse_button2_keycode
                         || keycode == mouse_button3_keycode)) {
                         if (mouse_emulate_buttons == 1) {
-                                input_report_key(&emumousebtn,
+                                input_report_key(emumousebtn,
                                                  keycode == mouse_button2_keycode ? BTN_MIDDLE : BTN_RIGHT,
                                                  down);
-                                input_sync(&emumousebtn);
+                                input_sync(emumousebtn);
                                 return 1;
                         }
                         mouse_last_keycode = down ? keycode : 0;
@@ -105,30 +105,34 @@ int mac_hid_mouse_emulate_buttons(int caller, unsigned int keycode, int down)
 
 EXPORT_SYMBOL(mac_hid_mouse_emulate_buttons);
 
-static void emumousebtn_input_register(void)
+static int emumousebtn_input_register(void)
 {
-        emumousebtn.name = "Macintosh mouse button emulation";
+        emumousebtn = input_allocate_device();
+        if (!emumousebtn)
+                return -ENOMEM;
 
-        init_input_dev(&emumousebtn);
+        emumousebtn->name = "Macintosh mouse button emulation";
+        emumousebtn->id.bustype = BUS_ADB;
+        emumousebtn->id.vendor = 0x0001;
+        emumousebtn->id.product = 0x0001;
+        emumousebtn->id.version = 0x0100;
 
-        emumousebtn.evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
-        emumousebtn.keybit[LONG(BTN_MOUSE)] = BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT);
-        emumousebtn.relbit[0] = BIT(REL_X) | BIT(REL_Y);
+        emumousebtn->evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
+        emumousebtn->keybit[LONG(BTN_MOUSE)] = BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT);
+        emumousebtn->relbit[0] = BIT(REL_X) | BIT(REL_Y);
 
-        emumousebtn.id.bustype = BUS_ADB;
-        emumousebtn.id.vendor = 0x0001;
-        emumousebtn.id.product = 0x0001;
-        emumousebtn.id.version = 0x0100;
+        input_register_device(emumousebtn);
 
-        input_register_device(&emumousebtn);
-
-        printk(KERN_INFO "input: Macintosh mouse button emulation\n");
+        return 0;
 }
 
 int __init mac_hid_init(void)
 {
+        int err;
 
-        emumousebtn_input_register();
+        err = emumousebtn_input_register();
+        if (err)
+                return err;
 
 #if defined(CONFIG_SYSCTL)
         mac_hid_sysctl_header = register_sysctl_table(mac_hid_root_dir, 1);