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

Input: convert drivers/input/touchscreen 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, 33 insertions, 33 deletions

diff --git a/drivers/input/touchscreen/gunze.c b/drivers/input/touchscreen/gunze.c
index 53a27e43dd23..466da190ceec 100644
--- a/drivers/input/touchscreen/gunze.c
+++ b/drivers/input/touchscreen/gunze.c
@@ -48,14 +48,12 @@ MODULE_LICENSE("GPL");
 
 #define GUNZE_MAX_LENGTH        10
 
-static char *gunze_name = "Gunze AHL-51S TouchScreen";
-
 /*
  * Per-touchscreen data.
  */
 
 struct gunze {
-        struct input_dev dev;
+        struct input_dev *dev;
         struct serio *serio;
         int idx;
         unsigned char data[GUNZE_MAX_LENGTH];
@@ -64,7 +62,7 @@ struct gunze {
 
 static void gunze_process_packet(struct gunze* gunze, struct pt_regs *regs)
 {
-        struct input_dev *dev = &gunze->dev;
+        struct input_dev *dev = gunze->dev;
 
         if (gunze->idx != GUNZE_MAX_LENGTH || gunze->data[5] != ',' ||
                 (gunze->data[0] != 'T' && gunze->data[0] != 'R')) {
@@ -100,11 +98,13 @@ static irqreturn_t gunze_interrupt(struct serio *serio,
 
 static void gunze_disconnect(struct serio *serio)
 {
-        struct gunze* gunze = serio_get_drvdata(serio);
+        struct gunze *gunze = serio_get_drvdata(serio);
 
-        input_unregister_device(&gunze->dev);
+        input_get_device(gunze->dev);
+        input_unregister_device(gunze->dev);
         serio_close(serio);
         serio_set_drvdata(serio, NULL);
+        input_put_device(gunze->dev);
         kfree(gunze);
 }
 
@@ -117,45 +117,45 @@ static void gunze_disconnect(struct serio *serio)
 static int gunze_connect(struct serio *serio, struct serio_driver *drv)
 {
         struct gunze *gunze;
+        struct input_dev *input_dev;
         int err;
 
-        if (!(gunze = kmalloc(sizeof(struct gunze), GFP_KERNEL)))
-                return -ENOMEM;
-
-        memset(gunze, 0, sizeof(struct gunze));
-
-        init_input_dev(&gunze->dev);
-        gunze->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
-        gunze->dev.keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
-        input_set_abs_params(&gunze->dev, ABS_X, 24, 1000, 0, 0);
-        input_set_abs_params(&gunze->dev, ABS_Y, 24, 1000, 0, 0);
+        gunze = kzalloc(sizeof(struct gunze), GFP_KERNEL);
+        input_dev = input_allocate_device();
+        if (!gunze || !input_dev) {
+                err = -ENOMEM;
+                goto fail;
+        }
 
         gunze->serio = serio;
-
+        gunze->dev = input_dev;
         sprintf(gunze->phys, "%s/input0", serio->phys);
 
-        gunze->dev.private = gunze;
-        gunze->dev.name = gunze_name;
-        gunze->dev.phys = gunze->phys;
-        gunze->dev.id.bustype = BUS_RS232;
-        gunze->dev.id.vendor = SERIO_GUNZE;
-        gunze->dev.id.product = 0x0051;
-        gunze->dev.id.version = 0x0100;
+        input_dev->private = gunze;
+        input_dev->name = "Gunze AHL-51S TouchScreen";
+        input_dev->phys = gunze->phys;
+        input_dev->id.bustype = BUS_RS232;
+        input_dev->id.vendor = SERIO_GUNZE;
+        input_dev->id.product = 0x0051;
+        input_dev->id.version = 0x0100;
+        input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+        input_dev->keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
+        input_set_abs_params(input_dev, ABS_X, 24, 1000, 0, 0);
+        input_set_abs_params(input_dev, ABS_Y, 24, 1000, 0, 0);
 
         serio_set_drvdata(serio, gunze);
 
         err = serio_open(serio, drv);
-        if (err) {
-                serio_set_drvdata(serio, NULL);
-                kfree(gunze);
-                return err;
-        }
-
-        input_register_device(&gunze->dev);
-
-        printk(KERN_INFO "input: %s on %s\n", gunze_name, serio->phys);
+        if (err)
+                goto fail;
 
+        input_register_device(gunze->dev);
         return 0;
+
+ fail:  serio_set_drvdata(serio, NULL);
+        input_free_device(input_dev);
+        kfree(gunze);
+        return err;
 }
 
 /*