[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/spaceorb.c b/drivers/input/joystick/spaceorb.c
index 01fd2e4..7c123a0 100644
--- a/drivers/input/joystick/spaceorb.c
+++ b/drivers/input/joystick/spaceorb.c
@@ -52,15 +52,13 @@
static int spaceorb_buttons[] = { BTN_TL, BTN_TR, BTN_Y, BTN_X, BTN_B, BTN_A };
static int spaceorb_axes[] = { ABS_X, ABS_Y, ABS_Z, ABS_RX, ABS_RY, ABS_RZ };
-static char *spaceorb_name = "SpaceTec SpaceOrb 360 / Avenger";
/*
* Per-Orb data.
*/
struct spaceorb {
- struct input_dev dev;
- struct serio *serio;
+ struct input_dev *dev;
int idx;
unsigned char data[SPACEORB_MAX_LENGTH];
char phys[32];
@@ -78,7 +76,7 @@
static void spaceorb_process_packet(struct spaceorb *spaceorb, struct pt_regs *regs)
{
- struct input_dev *dev = &spaceorb->dev;
+ struct input_dev *dev = spaceorb->dev;
unsigned char *data = spaceorb->data;
unsigned char c = 0;
int axes[6];
@@ -95,8 +93,8 @@
case 'R': /* Reset packet */
spaceorb->data[spaceorb->idx - 1] = 0;
for (i = 1; i < spaceorb->idx && spaceorb->data[i] == ' '; i++);
- printk(KERN_INFO "input: %s [%s] on %s\n",
- spaceorb_name, spaceorb->data + i, spaceorb->serio->phys);
+ printk(KERN_INFO "input: %s [%s] is %s\n",
+ dev->name, spaceorb->data + i, spaceorb->phys);
break;
case 'D': /* Ball + button data */
@@ -123,7 +121,7 @@
case 'E': /* Error packet */
if (spaceorb->idx != 4) return;
- printk(KERN_ERR "joy-spaceorb: Device error. [ ");
+ printk(KERN_ERR "spaceorb: Device error. [ ");
for (i = 0; i < 7; i++) if (data[1] & (1 << i)) printk("%s ", spaceorb_errors[i]);
printk("]\n");
break;
@@ -154,9 +152,9 @@
{
struct spaceorb* spaceorb = serio_get_drvdata(serio);
- input_unregister_device(&spaceorb->dev);
serio_close(serio);
serio_set_drvdata(serio, NULL);
+ input_unregister_device(spaceorb->dev);
kfree(spaceorb);
}
@@ -169,52 +167,48 @@
static int spaceorb_connect(struct serio *serio, struct serio_driver *drv)
{
struct spaceorb *spaceorb;
- int i, t;
- int err;
+ struct input_dev *input_dev;
+ int err = -ENOMEM;
+ int i;
- if (!(spaceorb = kmalloc(sizeof(struct spaceorb), GFP_KERNEL)))
- return -ENOMEM;
+ spaceorb = kzalloc(sizeof(struct spaceorb), GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!spaceorb || !input_dev)
+ goto fail;
- memset(spaceorb, 0, sizeof(struct spaceorb));
-
- spaceorb->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
-
- for (i = 0; i < 6; i++)
- set_bit(spaceorb_buttons[i], spaceorb->dev.keybit);
-
- for (i = 0; i < 6; i++) {
- t = spaceorb_axes[i];
- set_bit(t, spaceorb->dev.absbit);
- spaceorb->dev.absmin[t] = -508;
- spaceorb->dev.absmax[t] = 508;
- }
-
- spaceorb->serio = serio;
- spaceorb->dev.private = spaceorb;
-
+ spaceorb->dev = input_dev;
sprintf(spaceorb->phys, "%s/input0", serio->phys);
- init_input_dev(&spaceorb->dev);
- spaceorb->dev.name = spaceorb_name;
- spaceorb->dev.phys = spaceorb->phys;
- spaceorb->dev.id.bustype = BUS_RS232;
- spaceorb->dev.id.vendor = SERIO_SPACEORB;
- spaceorb->dev.id.product = 0x0001;
- spaceorb->dev.id.version = 0x0100;
- spaceorb->dev.dev = &serio->dev;
+ input_dev->name = "SpaceTec SpaceOrb 360 / Avenger";
+ input_dev->phys = spaceorb->phys;
+ input_dev->id.bustype = BUS_RS232;
+ input_dev->id.vendor = SERIO_SPACEORB;
+ input_dev->id.product = 0x0001;
+ input_dev->id.version = 0x0100;
+ input_dev->cdev.dev = &serio->dev;
+ input_dev->private = spaceorb;
+
+ input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+
+ for (i = 0; i < 6; i++)
+ set_bit(spaceorb_buttons[i], input_dev->keybit);
+
+ for (i = 0; i < 6; i++)
+ input_set_abs_params(input_dev, spaceorb_axes[i], -508, 508, 0, 0);
serio_set_drvdata(serio, spaceorb);
err = serio_open(serio, drv);
- if (err) {
- serio_set_drvdata(serio, NULL);
- kfree(spaceorb);
- return err;
- }
+ if (err)
+ goto fail;
- input_register_device(&spaceorb->dev);
-
+ input_register_device(spaceorb->dev);
return 0;
+
+ fail: serio_set_drvdata(serio, NULL);
+ input_free_device(input_dev);
+ kfree(spaceorb);
+ return err;
}
/*