[PATCH] drivers/input/joystick: convert to dynamic input_dev allocation

Input: convert drivers/input/joystick 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, 28 insertions, 23 deletions

diff --git a/drivers/input/joystick/guillemot.c b/drivers/input/joystick/guillemot.c
index 6a70ec429f06..c528473c09d8 100644
--- a/drivers/input/joystick/guillemot.c
+++ b/drivers/input/joystick/guillemot.c
@@ -67,7 +67,7 @@ struct guillemot_type {
 
 struct guillemot {
         struct gameport *gameport;
-        struct input_dev dev;
+        struct input_dev *dev;
         int bads;
         int reads;
         struct guillemot_type *type;
@@ -123,7 +123,7 @@ static int guillemot_read_packet(struct gameport *gameport, u8 *data)
 static void guillemot_poll(struct gameport *gameport)
 {
         struct guillemot *guillemot = gameport_get_drvdata(gameport);
-        struct input_dev *dev = &guillemot->dev;
+        struct input_dev *dev = guillemot->dev;
         u8 data[GUILLEMOT_MAX_LENGTH];
         int i;
 
@@ -179,14 +179,20 @@ static void guillemot_close(struct input_dev *dev)
 static int guillemot_connect(struct gameport *gameport, struct gameport_driver *drv)
 {
         struct guillemot *guillemot;
+        struct input_dev *input_dev;
         u8 data[GUILLEMOT_MAX_LENGTH];
         int i, t;
         int err;
 
-        if (!(guillemot = kzalloc(sizeof(struct guillemot), GFP_KERNEL)))
-                return -ENOMEM;
+        guillemot = kzalloc(sizeof(struct guillemot), GFP_KERNEL);
+        input_dev = input_allocate_device();
+        if (!guillemot || !input_dev) {
+                err = -ENOMEM;
+                goto fail1;
+        }
 
         guillemot->gameport = gameport;
+        guillemot->dev = input_dev;
 
         gameport_set_drvdata(gameport, guillemot);
 
@@ -216,41 +222,40 @@ static int guillemot_connect(struct gameport *gameport, struct gameport_driver *
         gameport_set_poll_interval(gameport, 20);
 
         sprintf(guillemot->phys, "%s/input0", gameport->phys);
-
         guillemot->type = guillemot_type + i;
 
-        guillemot->dev.private = guillemot;
-        guillemot->dev.open = guillemot_open;
-        guillemot->dev.close = guillemot_close;
+        input_dev->name = guillemot_type[i].name;
+        input_dev->phys = guillemot->phys;
+        input_dev->id.bustype = BUS_GAMEPORT;
+        input_dev->id.vendor = GAMEPORT_ID_VENDOR_GUILLEMOT;
+        input_dev->id.product = guillemot_type[i].id;
+        input_dev->id.version = (int)data[14] << 8 | data[15];
+        input_dev->cdev.dev = &gameport->dev;
+        input_dev->private = guillemot;
 
-        guillemot->dev.name = guillemot_type[i].name;
-        guillemot->dev.phys = guillemot->phys;
-        guillemot->dev.id.bustype = BUS_GAMEPORT;
-        guillemot->dev.id.vendor = GAMEPORT_ID_VENDOR_GUILLEMOT;
-        guillemot->dev.id.product = guillemot_type[i].id;
-        guillemot->dev.id.version = (int)data[14] << 8 | data[15];
+        input_dev->open = guillemot_open;
+        input_dev->close = guillemot_close;
 
-        guillemot->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+        input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
 
         for (i = 0; (t = guillemot->type->abs[i]) >= 0; i++)
-                input_set_abs_params(&guillemot->dev, t, 0, 255, 0, 0);
+                input_set_abs_params(input_dev, t, 0, 255, 0, 0);
 
         if (guillemot->type->hat) {
-                input_set_abs_params(&guillemot->dev, ABS_HAT0X, -1, 1, 0, 0);
-                input_set_abs_params(&guillemot->dev, ABS_HAT0Y, -1, 1, 0, 0);
+                input_set_abs_params(input_dev, ABS_HAT0X, -1, 1, 0, 0);
+                input_set_abs_params(input_dev, ABS_HAT0Y, -1, 1, 0, 0);
         }
 
         for (i = 0; (t = guillemot->type->btn[i]) >= 0; i++)
-                set_bit(t, guillemot->dev.keybit);
+                set_bit(t, input_dev->keybit);
 
-        input_register_device(&guillemot->dev);
-        printk(KERN_INFO "input: %s ver %d.%02d on %s\n",
-                guillemot->type->name, data[14], data[15], gameport->phys);
+        input_register_device(guillemot->dev);
 
         return 0;
 
 fail2:  gameport_close(gameport);
 fail1:  gameport_set_drvdata(gameport, NULL);
+        input_free_device(input_dev);
         kfree(guillemot);
         return err;
 }
@@ -260,7 +265,7 @@ static void guillemot_disconnect(struct gameport *gameport)
         struct guillemot *guillemot = gameport_get_drvdata(gameport);
 
         printk(KERN_INFO "guillemot.c: Failed %d reads out of %d on %s\n", guillemot->reads, guillemot->bads, guillemot->phys);
-        input_unregister_device(&guillemot->dev);
+        input_unregister_device(guillemot->dev);
         gameport_close(gameport);
         kfree(guillemot);
 }