[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>

1 files changed, 36 insertions, 42 deletions

diff --git a/drivers/input/joystick/spaceorb.c b/drivers/input/joystick/spaceorb.c
index 01fd2e4791ae..7c123a01c58e 100644
--- a/drivers/input/joystick/spaceorb.c
+++ b/drivers/input/joystick/spaceorb.c
@@ -52,15 +52,13 @@ MODULE_LICENSE("GPL");
 
 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 unsigned char *spaceorb_errors[] = { "EEPROM storing 0 failed", "Receive
 
 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 @@ static void spaceorb_process_packet(struct spaceorb *spaceorb, struct pt_regs *r
                 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 @@ static void spaceorb_process_packet(struct spaceorb *spaceorb, struct pt_regs *r
 
                 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 @@ static void spaceorb_disconnect(struct serio *serio)
 {
         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 void spaceorb_disconnect(struct serio *serio)
 static int spaceorb_connect(struct serio *serio, struct serio_driver *drv)
 {
         struct spaceorb *spaceorb;
-        int i, t;
-        int err;
-
-        if (!(spaceorb = kmalloc(sizeof(struct spaceorb), GFP_KERNEL)))
-                return -ENOMEM;
-
-        memset(spaceorb, 0, sizeof(struct spaceorb));
+        struct input_dev *input_dev;
+        int err = -ENOMEM;
+        int i;
 
-        spaceorb->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+        spaceorb = kzalloc(sizeof(struct spaceorb), GFP_KERNEL);
+        input_dev = input_allocate_device();
+        if (!spaceorb || !input_dev)
+                goto fail;
 
-        for (i = 0; i < 6; i++)
-                set_bit(spaceorb_buttons[i], spaceorb->dev.keybit);
+        spaceorb->dev = input_dev;
+        sprintf(spaceorb->phys, "%s/input0", serio->phys);
 
-        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;
-        }
+        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;
 
-        spaceorb->serio = serio;
-        spaceorb->dev.private = spaceorb;
+        input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
 
-        sprintf(spaceorb->phys, "%s/input0", serio->phys);
+        for (i = 0; i < 6; i++)
+                set_bit(spaceorb_buttons[i], input_dev->keybit);
 
-        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;
+        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;
-        }
-
-        input_register_device(&spaceorb->dev);
+        if (err)
+                goto fail;
 
+        input_register_device(spaceorb->dev);
         return 0;
+
+ fail:  serio_set_drvdata(serio, NULL);
+        input_free_device(input_dev);
+        kfree(spaceorb);
+        return err;
 }
 
 /*