Input: a3d - convert to dynamic input_dev allocation

Also set .owner in driver structure so we'll have a link between
module and driver in sysfs.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 46 insertions, 42 deletions

diff --git a/drivers/input/joystick/a3d.c b/drivers/input/joystick/a3d.c
index 4571ea3a4b92..4612d13ea756 100644
--- a/drivers/input/joystick/a3d.c
+++ b/drivers/input/joystick/a3d.c
@@ -57,7 +57,7 @@ static char *a3d_names[] = { NULL, "FP-Gaming Assassin 3D", "MadCatz Panther", "
 struct a3d {
         struct gameport *gameport;
         struct gameport *adc;
-        struct input_dev dev;
+        struct input_dev *dev;
         int axes[4];
         int buttons;
         int mode;
@@ -115,7 +115,7 @@ static int a3d_csum(char *data, int count)
 
 static void a3d_read(struct a3d *a3d, unsigned char *data)
 {
-        struct input_dev *dev = &a3d->dev;
+        struct input_dev *dev = a3d->dev;
 
         switch (a3d->mode) {
 
@@ -265,14 +265,20 @@ static void a3d_close(struct input_dev *dev)
 static int a3d_connect(struct gameport *gameport, struct gameport_driver *drv)
 {
         struct a3d *a3d;
+        struct input_dev *input_dev;
         struct gameport *adc;
         unsigned char data[A3D_MAX_LENGTH];
         int i;
         int err;
 
-        if (!(a3d = kzalloc(sizeof(struct a3d), GFP_KERNEL)))
-                return -ENOMEM;
+        a3d = kzalloc(sizeof(struct a3d), GFP_KERNEL);
+        input_dev = input_allocate_device();
+        if (!a3d || !input_dev) {
+                err = -ENOMEM;
+                goto fail1;
+        }
 
+        a3d->dev = input_dev;
         a3d->gameport = gameport;
 
         gameport_set_drvdata(gameport, a3d);
@@ -302,42 +308,48 @@ static int a3d_connect(struct gameport *gameport, struct gameport_driver *drv)
 
         sprintf(a3d->phys, "%s/input0", gameport->phys);
 
+        input_dev->name = a3d_names[a3d->mode];
+        input_dev->phys = a3d->phys;
+        input_dev->id.bustype = BUS_GAMEPORT;
+        input_dev->id.vendor = GAMEPORT_ID_VENDOR_MADCATZ;
+        input_dev->id.product = a3d->mode;
+        input_dev->id.version = 0x0100;
+        input_dev->cdev.dev = &gameport->dev;
+        input_dev->private = a3d;
+        input_dev->open = a3d_open;
+        input_dev->close = a3d_close;
+
         if (a3d->mode == A3D_MODE_PXL) {
 
                 int axes[] = { ABS_X, ABS_Y, ABS_THROTTLE, ABS_RUDDER };
 
                 a3d->length = 33;
 
-                init_input_dev(&a3d->dev);
-
-                a3d->dev.evbit[0] |= BIT(EV_ABS) | BIT(EV_KEY) | BIT(EV_REL);
-                a3d->dev.relbit[0] |= BIT(REL_X) | BIT(REL_Y);
-                a3d->dev.absbit[0] |= BIT(ABS_X) | BIT(ABS_Y) | BIT(ABS_THROTTLE) | BIT(ABS_RUDDER)
-                                   | BIT(ABS_HAT0X) | BIT(ABS_HAT0Y) | BIT(ABS_HAT1X) | BIT(ABS_HAT1Y);
-
-                a3d->dev.keybit[LONG(BTN_MOUSE)] |= BIT(BTN_RIGHT) | BIT(BTN_LEFT) | BIT(BTN_MIDDLE)
-                                                 | BIT(BTN_SIDE) | BIT(BTN_EXTRA);
-
-                a3d->dev.keybit[LONG(BTN_JOYSTICK)] |= BIT(BTN_TRIGGER) | BIT(BTN_THUMB) | BIT(BTN_TOP) | BIT(BTN_PINKIE);
+                input_dev->evbit[0] |= BIT(EV_ABS) | BIT(EV_KEY) | BIT(EV_REL);
+                input_dev->relbit[0] |= BIT(REL_X) | BIT(REL_Y);
+                input_dev->absbit[0] |= BIT(ABS_X) | BIT(ABS_Y) | BIT(ABS_THROTTLE) | BIT(ABS_RUDDER)
+                                        | BIT(ABS_HAT0X) | BIT(ABS_HAT0Y) | BIT(ABS_HAT1X) | BIT(ABS_HAT1Y);
+                input_dev->keybit[LONG(BTN_MOUSE)] |= BIT(BTN_RIGHT) | BIT(BTN_LEFT) | BIT(BTN_MIDDLE)
+                                                        | BIT(BTN_SIDE) | BIT(BTN_EXTRA);
+                input_dev->keybit[LONG(BTN_JOYSTICK)] |= BIT(BTN_TRIGGER) | BIT(BTN_THUMB) | BIT(BTN_TOP)
+                                                        | BIT(BTN_PINKIE);
 
                 a3d_read(a3d, data);
 
                 for (i = 0; i < 4; i++) {
                         if (i < 2)
-                                input_set_abs_params(&a3d->dev, axes[i], 48, a3d->dev.abs[axes[i]] * 2 - 48, 0, 8);
+                                input_set_abs_params(input_dev, axes[i], 48, input_dev->abs[axes[i]] * 2 - 48, 0, 8);
                         else
-                                input_set_abs_params(&a3d->dev, axes[i], 2, 253, 0, 0);
-                        input_set_abs_params(&a3d->dev, ABS_HAT0X + i, -1, 1, 0, 0);
+                                input_set_abs_params(input_dev, axes[i], 2, 253, 0, 0);
+                        input_set_abs_params(input_dev, ABS_HAT0X + i, -1, 1, 0, 0);
                 }
 
         } else {
                 a3d->length = 29;
 
-                init_input_dev(&a3d->dev);
-
-                a3d->dev.evbit[0] |= BIT(EV_KEY) | BIT(EV_REL);
-                a3d->dev.relbit[0] |= BIT(REL_X) | BIT(REL_Y);
-                a3d->dev.keybit[LONG(BTN_MOUSE)] |= BIT(BTN_RIGHT) | BIT(BTN_LEFT) | BIT(BTN_MIDDLE);
+                input_dev->evbit[0] |= BIT(EV_KEY) | BIT(EV_REL);
+                input_dev->relbit[0] |= BIT(REL_X) | BIT(REL_Y);
+                input_dev->keybit[LONG(BTN_MOUSE)] |= BIT(BTN_RIGHT) | BIT(BTN_LEFT) | BIT(BTN_MIDDLE);
 
                 a3d_read(a3d, data);
 
@@ -358,24 +370,17 @@ static int a3d_connect(struct gameport *gameport, struct gameport_driver *drv)
                 }
         }
 
-        a3d->dev.private = a3d;
-        a3d->dev.open = a3d_open;
-        a3d->dev.close = a3d_close;
-
-        a3d->dev.name = a3d_names[a3d->mode];
-        a3d->dev.phys = a3d->phys;
-        a3d->dev.id.bustype = BUS_GAMEPORT;
-        a3d->dev.id.vendor = GAMEPORT_ID_VENDOR_MADCATZ;
-        a3d->dev.id.product = a3d->mode;
-        a3d->dev.id.version = 0x0100;
-
-        input_register_device(&a3d->dev);
-        printk(KERN_INFO "input: %s on %s\n", a3d_names[a3d->mode], a3d->phys);
+        err = input_register_device(a3d->dev);
+        if (err)
+                goto fail3;
 
         return 0;
 
-fail2:  gameport_close(gameport);
-fail1:  gameport_set_drvdata(gameport, NULL);
+ fail3: if (a3d->adc)
+                gameport_unregister_port(a3d->adc);
+ fail2: gameport_close(gameport);
+ fail1: gameport_set_drvdata(gameport, NULL);
+        input_free_device(input_dev);
         kfree(a3d);
         return err;
 }
@@ -384,11 +389,9 @@ static void a3d_disconnect(struct gameport *gameport)
 {
         struct a3d *a3d = gameport_get_drvdata(gameport);
 
-        input_unregister_device(&a3d->dev);
-        if (a3d->adc) {
+        input_unregister_device(a3d->dev);
+        if (a3d->adc)
                 gameport_unregister_port(a3d->adc);
-                a3d->adc = NULL;
-        }
         gameport_close(gameport);
         gameport_set_drvdata(gameport, NULL);
         kfree(a3d);
@@ -397,6 +400,7 @@ static void a3d_disconnect(struct gameport *gameport)
 static struct gameport_driver a3d_drv = {
         .driver         = {
                 .name   = "adc",
+                .owner  = THIS_MODULE,
         },
         .description    = DRIVER_DESC,
         .connect        = a3d_connect,