OMAP3: DMA: Enable idlemodes for DMA OCP

[safe/jmp/linux-2.6] / drivers / input / joydev.c

diff --git a/drivers/input/joydev.c b/drivers/input/joydev.c
index f306c97..0e12f89 100644 (file)
--- a/drivers/input/joydev.c
+++ b/drivers/input/joydev.c
@@ -39,7 +39,6 @@ struct joydev {
        int exist;
        int open;
        int minor;
-       char name[16];
        struct input_handle handle;
        wait_queue_head_t wait;
        struct list_head client_list;
@@ -149,26 +148,26 @@ static void joydev_event(struct input_handle *handle,
 
        event.time = jiffies_to_msecs(jiffies);
 
+       rcu_read_lock();
        list_for_each_entry_rcu(client, &joydev->client_list, node)
                joydev_pass_event(client, &event);
+       rcu_read_unlock();
 
        wake_up_interruptible(&joydev->wait);
 }
 
 static int joydev_fasync(int fd, struct file *file, int on)
 {
-       int retval;
        struct joydev_client *client = file->private_data;
 
-       retval = fasync_helper(fd, file, on, &client->fasync);
-
-       return retval < 0 ? retval : 0;
+       return fasync_helper(fd, file, on, &client->fasync);
 }
 
 static void joydev_free(struct device *dev)
 {
        struct joydev *joydev = container_of(dev, struct joydev, dev);
 
+       input_put_device(joydev->handle.dev);
        kfree(joydev);
 }
 
@@ -178,12 +177,7 @@ static void joydev_attach_client(struct joydev *joydev,
        spin_lock(&joydev->client_lock);
        list_add_tail_rcu(&client->node, &joydev->client_list);
        spin_unlock(&joydev->client_lock);
-       /*
-        * We don't use synchronize_rcu() here because read-side
-        * critical section is protected by a spinlock (dev->event_lock)
-        * instead of rcu_read_lock().
-        */
-       synchronize_sched();
+       synchronize_rcu();
 }
 
 static void joydev_detach_client(struct joydev *joydev,
@@ -192,7 +186,7 @@ static void joydev_detach_client(struct joydev *joydev,
        spin_lock(&joydev->client_lock);
        list_del_rcu(&client->node);
        spin_unlock(&joydev->client_lock);
-       synchronize_sched();
+       synchronize_rcu();
 }
 
 static int joydev_open_device(struct joydev *joydev)
@@ -246,7 +240,6 @@ static int joydev_release(struct inode *inode, struct file *file)
        struct joydev_client *client = file->private_data;
        struct joydev *joydev = client->joydev;
 
-       joydev_fasync(-1, file, 0);
        joydev_detach_client(joydev, client);
        kfree(client);
 
@@ -543,12 +536,14 @@ static int joydev_ioctl_common(struct joydev *joydev,
        default:
                if ((cmd & ~IOCSIZE_MASK) == JSIOCGNAME(0)) {
                        int len;
-                       if (!dev->name)
+                       const char *name = dev_name(&dev->dev);
+
+                       if (!name)
                                return 0;
-                       len = strlen(dev->name) + 1;
+                       len = strlen(name) + 1;
                        if (len > _IOC_SIZE(cmd))
                                len = _IOC_SIZE(cmd);
-                       if (copy_to_user(argp, dev->name, len))
+                       if (copy_to_user(argp, name, len))
                                return -EFAULT;
                        return len;
                }
@@ -748,13 +743,13 @@ static int joydev_connect(struct input_handler *handler, struct input_dev *dev,
        mutex_init(&joydev->mutex);
        init_waitqueue_head(&joydev->wait);
 
-       snprintf(joydev->name, sizeof(joydev->name), "js%d", minor);
+       dev_set_name(&joydev->dev, "js%d", minor);
        joydev->exist = 1;
        joydev->minor = minor;
 
        joydev->exist = 1;
-       joydev->handle.dev = dev;
-       joydev->handle.name = joydev->name;
+       joydev->handle.dev = input_get_device(dev);
+       joydev->handle.name = dev_name(&joydev->dev);
        joydev->handle.handler = handler;
        joydev->handle.private = joydev;
 
@@ -803,7 +798,6 @@ static int joydev_connect(struct input_handler *handler, struct input_dev *dev,
                }
        }
 
-       strlcpy(joydev->dev.bus_id, joydev->name, sizeof(joydev->dev.bus_id));
        joydev->dev.devt = MKDEV(INPUT_MAJOR, JOYDEV_MINOR_BASE + minor);
        joydev->dev.class = &input_class;
        joydev->dev.parent = &dev->dev;
@@ -847,9 +841,15 @@ static const struct input_device_id joydev_blacklist[] = {
        {
                .flags = INPUT_DEVICE_ID_MATCH_EVBIT |
                                INPUT_DEVICE_ID_MATCH_KEYBIT,
-               .evbit = { BIT(EV_KEY) },
-               .keybit = { [LONG(BTN_TOUCH)] = BIT(BTN_TOUCH) },
-       },      /* Avoid itouchpads, touchscreens and tablets */
+               .evbit = { BIT_MASK(EV_KEY) },
+               .keybit = { [BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH) },
+       },      /* Avoid itouchpads and touchscreens */
+       {
+               .flags = INPUT_DEVICE_ID_MATCH_EVBIT |
+                               INPUT_DEVICE_ID_MATCH_KEYBIT,
+               .evbit = { BIT_MASK(EV_KEY) },
+               .keybit = { [BIT_WORD(BTN_DIGI)] = BIT_MASK(BTN_DIGI) },
+       },      /* Avoid tablets, digitisers and similar devices */
        { }     /* Terminating entry */
 };
 
@@ -857,20 +857,20 @@ static const struct input_device_id joydev_ids[] = {
        {
                .flags = INPUT_DEVICE_ID_MATCH_EVBIT |
                                INPUT_DEVICE_ID_MATCH_ABSBIT,
-               .evbit = { BIT(EV_ABS) },
-               .absbit = { BIT(ABS_X) },
+               .evbit = { BIT_MASK(EV_ABS) },
+               .absbit = { BIT_MASK(ABS_X) },
        },
        {
                .flags = INPUT_DEVICE_ID_MATCH_EVBIT |
                                INPUT_DEVICE_ID_MATCH_ABSBIT,
-               .evbit = { BIT(EV_ABS) },
-               .absbit = { BIT(ABS_WHEEL) },
+               .evbit = { BIT_MASK(EV_ABS) },
+               .absbit = { BIT_MASK(ABS_WHEEL) },
        },
        {
                .flags = INPUT_DEVICE_ID_MATCH_EVBIT |
                                INPUT_DEVICE_ID_MATCH_ABSBIT,
-               .evbit = { BIT(EV_ABS) },
-               .absbit = { BIT(ABS_THROTTLE) },
+               .evbit = { BIT_MASK(EV_ABS) },
+               .absbit = { BIT_MASK(ABS_THROTTLE) },
        },
        { }     /* Terminating entry */
 };