[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>
diff --git a/drivers/input/joystick/magellan.c b/drivers/input/joystick/magellan.c
index 1ba5036..ca3cc23 100644
--- a/drivers/input/joystick/magellan.c
+++ b/drivers/input/joystick/magellan.c
@@ -49,14 +49,13 @@
static int magellan_buttons[] = { BTN_0, BTN_1, BTN_2, BTN_3, BTN_4, BTN_5, BTN_6, BTN_7, BTN_8 };
static int magellan_axes[] = { ABS_X, ABS_Y, ABS_Z, ABS_RX, ABS_RY, ABS_RZ };
-static char *magellan_name = "LogiCad3D Magellan / SpaceMouse";
/*
* Per-Magellan data.
*/
struct magellan {
- struct input_dev dev;
+ struct input_dev *dev;
int idx;
unsigned char data[MAGELLAN_MAX_LENGTH];
char phys[32];
@@ -85,7 +84,7 @@
static void magellan_process_packet(struct magellan* magellan, struct pt_regs *regs)
{
- struct input_dev *dev = &magellan->dev;
+ struct input_dev *dev = magellan->dev;
unsigned char *data = magellan->data;
int i, t;
@@ -138,9 +137,9 @@
{
struct magellan* magellan = serio_get_drvdata(serio);
- input_unregister_device(&magellan->dev);
serio_close(serio);
serio_set_drvdata(serio, NULL);
+ input_unregister_device(magellan->dev);
kfree(magellan);
}
@@ -153,52 +152,48 @@
static int magellan_connect(struct serio *serio, struct serio_driver *drv)
{
struct magellan *magellan;
- int i, t;
- int err;
+ struct input_dev *input_dev;
+ int err = -ENOMEM;
+ int i;
- if (!(magellan = kmalloc(sizeof(struct magellan), GFP_KERNEL)))
- return -ENOMEM;
+ magellan = kzalloc(sizeof(struct magellan), GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!magellan || !input_dev)
+ goto fail;
- memset(magellan, 0, sizeof(struct magellan));
-
- magellan->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
-
- for (i = 0; i < 9; i++)
- set_bit(magellan_buttons[i], magellan->dev.keybit);
-
- for (i = 0; i < 6; i++) {
- t = magellan_axes[i];
- set_bit(t, magellan->dev.absbit);
- magellan->dev.absmin[t] = -360;
- magellan->dev.absmax[t] = 360;
- }
-
+ magellan->dev = input_dev;
sprintf(magellan->phys, "%s/input0", serio->phys);
- init_input_dev(&magellan->dev);
- magellan->dev.private = magellan;
- magellan->dev.name = magellan_name;
- magellan->dev.phys = magellan->phys;
- magellan->dev.id.bustype = BUS_RS232;
- magellan->dev.id.vendor = SERIO_MAGELLAN;
- magellan->dev.id.product = 0x0001;
- magellan->dev.id.version = 0x0100;
- magellan->dev.dev = &serio->dev;
+ input_dev->name = "LogiCad3D Magellan / SpaceMouse";
+ input_dev->phys = magellan->phys;
+ input_dev->id.bustype = BUS_RS232;
+ input_dev->id.vendor = SERIO_MAGELLAN;
+ input_dev->id.product = 0x0001;
+ input_dev->id.version = 0x0100;
+ input_dev->cdev.dev = &serio->dev;
+ input_dev->private = magellan;
+
+ input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+
+ for (i = 0; i < 9; i++)
+ set_bit(magellan_buttons[i], input_dev->keybit);
+
+ for (i = 0; i < 6; i++)
+ input_set_abs_params(input_dev, magellan_axes[i], -360, 360, 0, 0);
serio_set_drvdata(serio, magellan);
err = serio_open(serio, drv);
- if (err) {
- serio_set_drvdata(serio, NULL);
- kfree(magellan);
- return err;
- }
+ if (err)
+ goto fail;
- input_register_device(&magellan->dev);
-
- printk(KERN_INFO "input: %s on %s\n", magellan_name, serio->phys);
-
+ input_register_device(magellan->dev);
return 0;
+
+ fail: serio_set_drvdata(serio, NULL);
+ input_free_device(input_dev);
+ kfree(magellan);
+ return err;
}
/*