[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/stinger.c b/drivers/input/joystick/stinger.c
index 6f6e675..0a9ed1d 100644
--- a/drivers/input/joystick/stinger.c
+++ b/drivers/input/joystick/stinger.c
@@ -48,14 +48,12 @@
#define STINGER_MAX_LENGTH 8
-static char *stinger_name = "Gravis Stinger";
-
/*
* Per-Stinger data.
*/
struct stinger {
- struct input_dev dev;
+ struct input_dev *dev;
int idx;
unsigned char data[STINGER_MAX_LENGTH];
char phys[32];
@@ -68,7 +66,7 @@
static void stinger_process_packet(struct stinger *stinger, struct pt_regs *regs)
{
- struct input_dev *dev = &stinger->dev;
+ struct input_dev *dev = stinger->dev;
unsigned char *data = stinger->data;
if (!stinger->idx) return;
@@ -126,9 +124,9 @@
{
struct stinger *stinger = serio_get_drvdata(serio);
- input_unregister_device(&stinger->dev);
serio_close(serio);
serio_set_drvdata(serio, NULL);
+ input_unregister_device(stinger->dev);
kfree(stinger);
}
@@ -141,53 +139,46 @@
static int stinger_connect(struct serio *serio, struct serio_driver *drv)
{
struct stinger *stinger;
- int i;
- int err;
+ struct input_dev *input_dev;
+ int err = -ENOMEM;
- if (!(stinger = kmalloc(sizeof(struct stinger), GFP_KERNEL)))
- return -ENOMEM;
+ stinger = kmalloc(sizeof(struct stinger), GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!stinger || !input_dev)
+ goto fail;
- memset(stinger, 0, sizeof(struct stinger));
-
- stinger->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
- stinger->dev.keybit[LONG(BTN_A)] = BIT(BTN_A) | BIT(BTN_B) | BIT(BTN_C) | BIT(BTN_X) | \
- BIT(BTN_Y) | BIT(BTN_Z) | BIT(BTN_TL) | BIT(BTN_TR) | \
- BIT(BTN_START) | BIT(BTN_SELECT);
- stinger->dev.absbit[0] = BIT(ABS_X) | BIT(ABS_Y);
-
+ stinger->dev = input_dev;
sprintf(stinger->phys, "%s/serio0", serio->phys);
- init_input_dev(&stinger->dev);
- stinger->dev.name = stinger_name;
- stinger->dev.phys = stinger->phys;
- stinger->dev.id.bustype = BUS_RS232;
- stinger->dev.id.vendor = SERIO_STINGER;
- stinger->dev.id.product = 0x0001;
- stinger->dev.id.version = 0x0100;
- stinger->dev.dev = &serio->dev;
+ input_dev->name = "Gravis Stinger";
+ input_dev->phys = stinger->phys;
+ input_dev->id.bustype = BUS_RS232;
+ input_dev->id.vendor = SERIO_STINGER;
+ input_dev->id.product = 0x0001;
+ input_dev->id.version = 0x0100;
+ input_dev->cdev.dev = &serio->dev;
+ input_dev->private = stinger;
- for (i = 0; i < 2; i++) {
- stinger->dev.absmax[ABS_X+i] = 64;
- stinger->dev.absmin[ABS_X+i] = -64;
- stinger->dev.absflat[ABS_X+i] = 4;
- }
-
- stinger->dev.private = stinger;
+ input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+ input_dev->keybit[LONG(BTN_A)] = BIT(BTN_A) | BIT(BTN_B) | BIT(BTN_C) | BIT(BTN_X) |
+ BIT(BTN_Y) | BIT(BTN_Z) | BIT(BTN_TL) | BIT(BTN_TR) |
+ BIT(BTN_START) | BIT(BTN_SELECT);
+ input_set_abs_params(input_dev, ABS_X, -64, 64, 0, 4);
+ input_set_abs_params(input_dev, ABS_Y, -64, 64, 0, 4);
serio_set_drvdata(serio, stinger);
err = serio_open(serio, drv);
- if (err) {
- serio_set_drvdata(serio, NULL);
- kfree(stinger);
- return err;
- }
+ if (err)
+ goto fail;
- input_register_device(&stinger->dev);
-
- printk(KERN_INFO "input: %s on %s\n", stinger_name, serio->phys);
-
+ input_register_device(stinger->dev);
return 0;
+
+ fail: serio_set_drvdata(serio, NULL);
+ input_free_device(input_dev);
+ kfree(stinger);
+ return err;
}
/*