[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/grip.c b/drivers/input/joystick/grip.c
index 9d3f910..e206bb5 100644
--- a/drivers/input/joystick/grip.c
+++ b/drivers/input/joystick/grip.c
@@ -55,7 +55,7 @@
struct grip {
struct gameport *gameport;
- struct input_dev dev[2];
+ struct input_dev *dev[2];
unsigned char mode[2];
int reads;
int bads;
@@ -190,7 +190,7 @@
for (i = 0; i < 2; i++) {
- dev = grip->dev + i;
+ dev = grip->dev[i];
grip->reads++;
switch (grip->mode[i]) {
@@ -297,6 +297,7 @@
static int grip_connect(struct gameport *gameport, struct gameport_driver *drv)
{
struct grip *grip;
+ struct input_dev *input_dev;
unsigned int data[GRIP_LENGTH_XT];
int i, j, t;
int err;
@@ -339,48 +340,56 @@
gameport_set_poll_handler(gameport, grip_poll);
gameport_set_poll_interval(gameport, 20);
- for (i = 0; i < 2; i++)
- if (grip->mode[i]) {
+ for (i = 0; i < 2; i++) {
+ if (!grip->mode[i])
+ continue;
- sprintf(grip->phys[i], "%s/input%d", gameport->phys, i);
-
- grip->dev[i].private = grip;
-
- grip->dev[i].open = grip_open;
- grip->dev[i].close = grip_close;
-
- grip->dev[i].name = grip_name[grip->mode[i]];
- grip->dev[i].phys = grip->phys[i];
- grip->dev[i].id.bustype = BUS_GAMEPORT;
- grip->dev[i].id.vendor = GAMEPORT_ID_VENDOR_GRAVIS;
- grip->dev[i].id.product = grip->mode[i];
- grip->dev[i].id.version = 0x0100;
-
- grip->dev[i].evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
-
- for (j = 0; (t = grip_abs[grip->mode[i]][j]) >= 0; j++) {
-
- if (j < grip_cen[grip->mode[i]])
- input_set_abs_params(&grip->dev[i], t, 14, 52, 1, 2);
- else if (j < grip_anx[grip->mode[i]])
- input_set_abs_params(&grip->dev[i], t, 3, 57, 1, 0);
- else
- input_set_abs_params(&grip->dev[i], t, -1, 1, 0, 0);
- }
-
- for (j = 0; (t = grip_btn[grip->mode[i]][j]) >= 0; j++)
- if (t > 0)
- set_bit(t, grip->dev[i].keybit);
-
- printk(KERN_INFO "input: %s on %s\n",
- grip_name[grip->mode[i]], gameport->phys);
- input_register_device(grip->dev + i);
+ grip->dev[i] = input_dev = input_allocate_device();
+ if (!input_dev) {
+ err = -ENOMEM;
+ goto fail3;
}
+ sprintf(grip->phys[i], "%s/input%d", gameport->phys, i);
+
+ input_dev->name = grip_name[grip->mode[i]];
+ input_dev->phys = grip->phys[i];
+ input_dev->id.bustype = BUS_GAMEPORT;
+ input_dev->id.vendor = GAMEPORT_ID_VENDOR_GRAVIS;
+ input_dev->id.product = grip->mode[i];
+ input_dev->id.version = 0x0100;
+ input_dev->cdev.dev = &gameport->dev;
+ input_dev->private = grip;
+
+ input_dev->open = grip_open;
+ input_dev->close = grip_close;
+
+ input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+
+ for (j = 0; (t = grip_abs[grip->mode[i]][j]) >= 0; j++) {
+
+ if (j < grip_cen[grip->mode[i]])
+ input_set_abs_params(input_dev, t, 14, 52, 1, 2);
+ else if (j < grip_anx[grip->mode[i]])
+ input_set_abs_params(input_dev, t, 3, 57, 1, 0);
+ else
+ input_set_abs_params(input_dev, t, -1, 1, 0, 0);
+ }
+
+ for (j = 0; (t = grip_btn[grip->mode[i]][j]) >= 0; j++)
+ if (t > 0)
+ set_bit(t, input_dev->keybit);
+
+ input_register_device(grip->dev[i]);
+ }
+
return 0;
-fail2: gameport_close(gameport);
-fail1: gameport_set_drvdata(gameport, NULL);
+ fail3: for (i = 0; i < 2; i++)
+ if (grip->dev[i])
+ input_unregister_device(grip->dev[i]);
+ fail2: gameport_close(gameport);
+ fail1: gameport_set_drvdata(gameport, NULL);
kfree(grip);
return err;
}
@@ -391,8 +400,8 @@
int i;
for (i = 0; i < 2; i++)
- if (grip->mode[i])
- input_unregister_device(grip->dev + i);
+ if (grip->dev[i])
+ input_unregister_device(grip->dev[i]);
gameport_close(gameport);
gameport_set_drvdata(gameport, NULL);
kfree(grip);