X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Finput%2Finput.c;h=556539d617a43295a8e4db43a3df6230da19aac5;hb=e454cea20bdcff10ee698d11b8882662a0153a47;hp=913392f63f767b62763197687fe63ff559a2b60e;hpb=fa88661224946145819a904cef2ec7dd5c9c78bc;p=safe%2Fjmp%2Flinux-2.6

diff --git a/drivers/input/input.c b/drivers/input/input.c
index 913392f..556539d 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -29,6 +29,24 @@ MODULE_LICENSE("GPL");
 
 #define INPUT_DEVICES	256
 
+/*
+ * EV_ABS events which should not be cached are listed here.
+ */
+static unsigned int input_abs_bypass_init_data[] __initdata = {
+	ABS_MT_TOUCH_MAJOR,
+	ABS_MT_TOUCH_MINOR,
+	ABS_MT_WIDTH_MAJOR,
+	ABS_MT_WIDTH_MINOR,
+	ABS_MT_ORIENTATION,
+	ABS_MT_POSITION_X,
+	ABS_MT_POSITION_Y,
+	ABS_MT_TOOL_TYPE,
+	ABS_MT_BLOB_ID,
+	ABS_MT_TRACKING_ID,
+	0
+};
+static unsigned long input_abs_bypass[BITS_TO_LONGS(ABS_CNT)];
+
 static LIST_HEAD(input_dev_list);
 static LIST_HEAD(input_handler_list);
 
@@ -161,6 +179,10 @@ static void input_handle_event(struct input_dev *dev,
 				disposition = INPUT_PASS_TO_HANDLERS;
 			}
 			break;
+		case SYN_MT_REPORT:
+			dev->sync = 0;
+			disposition = INPUT_PASS_TO_HANDLERS;
+			break;
 		}
 		break;
 
@@ -192,6 +214,11 @@ static void input_handle_event(struct input_dev *dev,
 	case EV_ABS:
 		if (is_event_supported(code, dev->absbit, ABS_MAX)) {
 
+			if (test_bit(code, input_abs_bypass)) {
+				disposition = INPUT_PASS_TO_HANDLERS;
+				break;
+			}
+
 			value = input_defuzz_abs_event(value,
 					dev->abs[code], dev->absfuzz[code]);
 
@@ -910,8 +937,6 @@ static int __init input_proc_init(void)
 	if (!proc_bus_input_dir)
 		return -ENOMEM;
 
-	proc_bus_input_dir->owner = THIS_MODULE;
-
 	entry = proc_create("devices", 0, proc_bus_input_dir,
 			    &input_devices_fileops);
 	if (!entry)
@@ -1119,7 +1144,7 @@ static struct attribute_group input_dev_caps_attr_group = {
 	.attrs	= input_dev_caps_attrs,
 };
 
-static struct attribute_group *input_dev_attr_groups[] = {
+static const struct attribute_group *input_dev_attr_groups[] = {
 	&input_dev_attr_group,
 	&input_dev_id_attr_group,
 	&input_dev_caps_attr_group,
@@ -1240,8 +1265,14 @@ static struct device_type input_dev_type = {
 	.uevent		= input_dev_uevent,
 };
 
+static char *input_devnode(struct device *dev, mode_t *mode)
+{
+	return kasprintf(GFP_KERNEL, "input/%s", dev_name(dev));
+}
+
 struct class input_class = {
 	.name		= "input",
+	.devnode	= input_devnode,
 };
 EXPORT_SYMBOL_GPL(input_class);
 
@@ -1551,7 +1582,6 @@ int input_register_handle(struct input_handle *handle)
 		return error;
 	list_add_tail_rcu(&handle->d_node, &dev->h_list);
 	mutex_unlock(&dev->mutex);
-	synchronize_rcu();
 
 	/*
 	 * Since we are supposed to be called from ->connect()
@@ -1637,10 +1667,20 @@ static const struct file_operations input_fops = {
 	.open = input_open_file,
 };
 
+static void __init input_init_abs_bypass(void)
+{
+	const unsigned int *p;
+
+	for (p = input_abs_bypass_init_data; *p; p++)
+		input_abs_bypass[BIT_WORD(*p)] |= BIT_MASK(*p);
+}
+
 static int __init input_init(void)
 {
 	int err;
 
+	input_init_abs_bypass();
+
 	err = class_register(&input_class);
 	if (err) {
 		printk(KERN_ERR "input: unable to register input_dev class\n");