HID: document difference between hid_blacklist and hid_ignore_list

Many people get it wrong and add device IDs into hid_blacklist instead
of hid_ignore_list. Let's put a little comment in place.

Signed-off-by: Jiri Kosina <jkosina@suse.cz>

diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 7001c31c3f2ea4ac93e123b19d057fa6dab69fd8..6cad69ed21c558c908b68fb9751a381a92cf0eae 100644 (file)
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1218,6 +1218,7 @@ int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
 }
 EXPORT_SYMBOL_GPL(hid_connect);
 
+/* a list of devices for which there is a specialized driver on HID bus */
 static const struct hid_device_id hid_blacklist[] = {
        { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
        { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) },
@@ -1476,6 +1477,7 @@ static struct bus_type hid_bus_type = {
        .uevent         = hid_uevent,
 };
 
+/* a list of devices that shouldn't be handled by HID core at all */
 static const struct hid_device_id hid_ignore_list[] = {
        { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) },
        { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) },