[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, 38 insertions, 42 deletions

diff --git a/drivers/input/keyboard/xtkbd.c b/drivers/input/keyboard/xtkbd.c
index 19eaec7789d1..4135e3e16c51 100644
--- a/drivers/input/keyboard/xtkbd.c
+++ b/drivers/input/keyboard/xtkbd.c
@@ -56,11 +56,9 @@ static unsigned char xtkbd_keycode[256] = {
         106
 };
 
-static char *xtkbd_name = "XT Keyboard";
-
 struct xtkbd {
         unsigned char keycode[256];
-        struct input_dev dev;
+        struct input_dev *dev;
         struct serio *serio;
         char phys[32];
 };
@@ -77,9 +75,9 @@ static irqreturn_t xtkbd_interrupt(struct serio *serio,
                 default:
 
                         if (xtkbd->keycode[data & XTKBD_KEY]) {
-                                input_regs(&xtkbd->dev, regs);
-                                input_report_key(&xtkbd->dev, xtkbd->keycode[data & XTKBD_KEY], !(data & XTKBD_RELEASE));
-                                input_sync(&xtkbd->dev);
+                                input_regs(xtkbd->dev, regs);
+                                input_report_key(xtkbd->dev, xtkbd->keycode[data & XTKBD_KEY], !(data & XTKBD_RELEASE));
+                                input_sync(xtkbd->dev);
                         } else {
                                 printk(KERN_WARNING "xtkbd.c: Unknown key (scancode %#x) %s.\n",
                                         data & XTKBD_KEY, data & XTKBD_RELEASE ? "released" : "pressed");
@@ -91,62 +89,60 @@ static irqreturn_t xtkbd_interrupt(struct serio *serio,
 static int xtkbd_connect(struct serio *serio, struct serio_driver *drv)
 {
         struct xtkbd *xtkbd;
+        struct input_dev *input_dev;
+        int err = -ENOMEM;
         int i;
-        int err;
-
-        if (!(xtkbd = kmalloc(sizeof(struct xtkbd), GFP_KERNEL)))
-                return -ENOMEM;
-
-        memset(xtkbd, 0, sizeof(struct xtkbd));
 
-        xtkbd->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_REP);
+        xtkbd = kmalloc(sizeof(struct xtkbd), GFP_KERNEL);
+        input_dev = input_allocate_device();
+        if (!xtkbd || !input_dev)
+                goto fail;
 
         xtkbd->serio = serio;
+        xtkbd->dev = input_dev;
+        sprintf(xtkbd->phys, "%s/input0", serio->phys);
+        memcpy(xtkbd->keycode, xtkbd_keycode, sizeof(xtkbd->keycode));
 
-        init_input_dev(&xtkbd->dev);
-        xtkbd->dev.keycode = xtkbd->keycode;
-        xtkbd->dev.keycodesize = sizeof(unsigned char);
-        xtkbd->dev.keycodemax = ARRAY_SIZE(xtkbd_keycode);
-        xtkbd->dev.private = xtkbd;
-
-        serio_set_drvdata(serio, xtkbd);
+        input_dev->name = "XT Keyboard";
+        input_dev->phys = xtkbd->phys;
+        input_dev->id.bustype = BUS_XTKBD;
+        input_dev->id.vendor  = 0x0001;
+        input_dev->id.product = 0x0001;
+        input_dev->id.version = 0x0100;
+        input_dev->cdev.dev = &serio->dev;
+        input_dev->private = xtkbd;
 
-        err = serio_open(serio, drv);
-        if (err) {
-                serio_set_drvdata(serio, NULL);
-                kfree(xtkbd);
-                return err;
-        }
+        input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP);
+        input_dev->keycode = xtkbd->keycode;
+        input_dev->keycodesize = sizeof(unsigned char);
+        input_dev->keycodemax = ARRAY_SIZE(xtkbd_keycode);
 
-        memcpy(xtkbd->keycode, xtkbd_keycode, sizeof(xtkbd->keycode));
         for (i = 0; i < 255; i++)
-                set_bit(xtkbd->keycode[i], xtkbd->dev.keybit);
-        clear_bit(0, xtkbd->dev.keybit);
-
-        sprintf(xtkbd->phys, "%s/input0", serio->phys);
-
-        xtkbd->dev.name = xtkbd_name;
-        xtkbd->dev.phys = xtkbd->phys;
-        xtkbd->dev.id.bustype = BUS_XTKBD;
-        xtkbd->dev.id.vendor = 0x0001;
-        xtkbd->dev.id.product = 0x0001;
-        xtkbd->dev.id.version = 0x0100;
-        xtkbd->dev.dev = &serio->dev;
+                set_bit(xtkbd->keycode[i], input_dev->keybit);
+        clear_bit(0, input_dev->keybit);
 
-        input_register_device(&xtkbd->dev);
+        serio_set_drvdata(serio, xtkbd);
 
-        printk(KERN_INFO "input: %s on %s\n", xtkbd_name, serio->phys);
+        err = serio_open(serio, drv);
+        if (err)
+                goto fail;
 
+        input_register_device(xtkbd->dev);
         return 0;
+
+ fail:  serio_set_drvdata(serio, NULL);
+        input_free_device(input_dev);
+        kfree(xtkbd);
+        return err;
 }
 
 static void xtkbd_disconnect(struct serio *serio)
 {
         struct xtkbd *xtkbd = serio_get_drvdata(serio);
 
-        input_unregister_device(&xtkbd->dev);
         serio_close(serio);
         serio_set_drvdata(serio, NULL);
+        input_unregister_device(xtkbd->dev);
         kfree(xtkbd);
 }