[PATCH] drivers/input/keyboard: convert to dynamic input_dev allocation

Input: convert drivers/input/keyboard 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, 39 insertions, 44 deletions

diff --git a/drivers/input/keyboard/newtonkbd.c b/drivers/input/keyboard/newtonkbd.c
index 2e8ce1613eec..d10983c521e6 100644
--- a/drivers/input/keyboard/newtonkbd.c
+++ b/drivers/input/keyboard/newtonkbd.c
@@ -57,11 +57,9 @@ static unsigned char nkbd_keycode[128] = {
         KEY_LEFT, KEY_RIGHT, KEY_DOWN, KEY_UP, 0
 };
 
-static char *nkbd_name = "Newton Keyboard";
-
 struct nkbd {
         unsigned char keycode[128];
-        struct input_dev dev;
+        struct input_dev *dev;
         struct serio *serio;
         char phys[32];
 };
@@ -73,13 +71,13 @@ static irqreturn_t nkbd_interrupt(struct serio *serio,
 
         /* invalid scan codes are probably the init sequence, so we ignore them */
         if (nkbd->keycode[data & NKBD_KEY]) {
-                input_regs(&nkbd->dev, regs);
-                input_report_key(&nkbd->dev, nkbd->keycode[data & NKBD_KEY], data & NKBD_PRESS);
-                input_sync(&nkbd->dev);
+                input_regs(nkbd->dev, regs);
+                input_report_key(nkbd->dev, nkbd->keycode[data & NKBD_KEY], data & NKBD_PRESS);
+                input_sync(nkbd->dev);
         }
 
         else if (data == 0xe7) /* end of init sequence */
-                printk(KERN_INFO "input: %s on %s\n", nkbd_name, serio->phys);
+                printk(KERN_INFO "input: %s on %s\n", nkbd->dev->name, serio->phys);
         return IRQ_HANDLED;
 
 }
@@ -87,62 +85,59 @@ static irqreturn_t nkbd_interrupt(struct serio *serio,
 static int nkbd_connect(struct serio *serio, struct serio_driver *drv)
 {
         struct nkbd *nkbd;
+        struct input_dev *input_dev;
+        int err = -ENOMEM;
         int i;
-        int err;
-
-        if (!(nkbd = kmalloc(sizeof(struct nkbd), GFP_KERNEL)))
-                return -ENOMEM;
-
-        memset(nkbd, 0, sizeof(struct nkbd));
 
-        nkbd->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_REP);
+        nkbd = kzalloc(sizeof(struct nkbd), GFP_KERNEL);
+        input_dev = input_allocate_device();
+        if (!nkbd || !input_dev)
+                goto fail;
 
         nkbd->serio = serio;
+        nkbd->dev = input_dev;
+        sprintf(nkbd->phys, "%s/input0", serio->phys);
+        memcpy(nkbd->keycode, nkbd_keycode, sizeof(nkbd->keycode));
 
-        init_input_dev(&nkbd->dev);
-        nkbd->dev.keycode = nkbd->keycode;
-        nkbd->dev.keycodesize = sizeof(unsigned char);
-        nkbd->dev.keycodemax = ARRAY_SIZE(nkbd_keycode);
-        nkbd->dev.private = nkbd;
+        input_dev->name = "Newton Keyboard";
+        input_dev->phys = nkbd->phys;
+        input_dev->id.bustype = BUS_RS232;
+        input_dev->id.vendor = SERIO_NEWTON;
+        input_dev->id.product = 0x0001;
+        input_dev->id.version = 0x0100;
+        input_dev->cdev.dev = &serio->dev;
+        input_dev->private = nkbd;
+
+        input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP);
+        input_dev->keycode = nkbd->keycode;
+        input_dev->keycodesize = sizeof(unsigned char);
+        input_dev->keycodemax = ARRAY_SIZE(nkbd_keycode);
+        for (i = 0; i < 128; i++)
+                set_bit(nkbd->keycode[i], input_dev->keybit);
+        clear_bit(0, input_dev->keybit);
 
         serio_set_drvdata(serio, nkbd);
 
         err = serio_open(serio, drv);
-        if (err) {
-                serio_set_drvdata(serio, NULL);
-                kfree(nkbd);
-                return err;
-        }
-
-        memcpy(nkbd->keycode, nkbd_keycode, sizeof(nkbd->keycode));
-        for (i = 0; i < 128; i++)
-                set_bit(nkbd->keycode[i], nkbd->dev.keybit);
-        clear_bit(0, nkbd->dev.keybit);
-
-        sprintf(nkbd->phys, "%s/input0", serio->phys);
-
-        nkbd->dev.name = nkbd_name;
-        nkbd->dev.phys = nkbd->phys;
-        nkbd->dev.id.bustype = BUS_RS232;
-        nkbd->dev.id.vendor = SERIO_NEWTON;
-        nkbd->dev.id.product = 0x0001;
-        nkbd->dev.id.version = 0x0100;
-        nkbd->dev.dev = &serio->dev;
-
-        input_register_device(&nkbd->dev);
-
-        printk(KERN_INFO "input: %s on %s\n", nkbd_name, serio->phys);
+        if (err)
+                goto fail;
 
+        input_register_device(nkbd->dev);
         return 0;
+
+ fail:  serio_set_drvdata(serio, NULL);
+        input_free_device(input_dev);
+        kfree(nkbd);
+        return err;
 }
 
 static void nkbd_disconnect(struct serio *serio)
 {
         struct nkbd *nkbd = serio_get_drvdata(serio);
 
-        input_unregister_device(&nkbd->dev);
         serio_close(serio);
         serio_set_drvdata(serio, NULL);
+        input_unregister_device(nkbd->dev);
         kfree(nkbd);
 }