1 files changed, 109 insertions, 11 deletions

diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 40df3e1b4bd..5d7640e49dc 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1256,19 +1256,16 @@ static const struct hid_device_id hid_blacklist[] = {
         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
         { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
-        { HID_USB_DEVICE(USB_VENDOR_ID_BRIGHT, USB_DEVICE_ID_BRIGHT_ABNT2) },
         { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },
-        { HID_USB_DEVICE(USB_VENDOR_ID_DELL, USB_DEVICE_ID_DELL_W7658) },
-        { HID_USB_DEVICE(USB_VENDOR_ID_DELL, USB_DEVICE_ID_DELL_SK8115) },
         { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },
-        { HID_USB_DEVICE(USB_VENDOR_ID_GENERIC_13BA, USB_DEVICE_ID_GENERIC_13BA_KBD_MOUSE) },
         { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
         { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
         { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) },
+        { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) },
         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
         { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
@@ -1279,7 +1276,6 @@ static const struct hid_device_id hid_blacklist[] = {
         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) },
         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) },
         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) },
-        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_KBD) },
         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) },
         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) },
         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) },
@@ -1297,23 +1293,105 @@ static const struct hid_device_id hid_blacklist[] = {
         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
         { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
+        { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) },
         { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
         { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
         { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
+        { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
 
         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, 0x030c) },
         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
         { }
 };
 
+struct hid_dynid {
+        struct list_head list;
+        struct hid_device_id id;
+};
+
+/**
+ * store_new_id - add a new HID device ID to this driver and re-probe devices
+ * @driver: target device driver
+ * @buf: buffer for scanning device ID data
+ * @count: input size
+ *
+ * Adds a new dynamic hid device ID to this driver,
+ * and causes the driver to probe for all devices again.
+ */
+static ssize_t store_new_id(struct device_driver *drv, const char *buf,
+                size_t count)
+{
+        struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
+        struct hid_dynid *dynid;
+        __u32 bus, vendor, product;
+        unsigned long driver_data = 0;
+        int ret;
+
+        ret = sscanf(buf, "%x %x %x %lx",
+                        &bus, &vendor, &product, &driver_data);
+        if (ret < 3)
+                return -EINVAL;
+
+        dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
+        if (!dynid)
+                return -ENOMEM;
+
+        dynid->id.bus = bus;
+        dynid->id.vendor = vendor;
+        dynid->id.product = product;
+        dynid->id.driver_data = driver_data;
+
+        spin_lock(&hdrv->dyn_lock);
+        list_add_tail(&dynid->list, &hdrv->dyn_list);
+        spin_unlock(&hdrv->dyn_lock);
+
+        ret = 0;
+        if (get_driver(&hdrv->driver)) {
+                ret = driver_attach(&hdrv->driver);
+                put_driver(&hdrv->driver);
+        }
+
+        return ret ? : count;
+}
+static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id);
+
+static void hid_free_dynids(struct hid_driver *hdrv)
+{
+        struct hid_dynid *dynid, *n;
+
+        spin_lock(&hdrv->dyn_lock);
+        list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) {
+                list_del(&dynid->list);
+                kfree(dynid);
+        }
+        spin_unlock(&hdrv->dyn_lock);
+}
+
+static const struct hid_device_id *hid_match_device(struct hid_device *hdev,
+                struct hid_driver *hdrv)
+{
+        struct hid_dynid *dynid;
+
+        spin_lock(&hdrv->dyn_lock);
+        list_for_each_entry(dynid, &hdrv->dyn_list, list) {
+                if (hid_match_one_id(hdev, &dynid->id)) {
+                        spin_unlock(&hdrv->dyn_lock);
+                        return &dynid->id;
+                }
+        }
+        spin_unlock(&hdrv->dyn_lock);
+
+        return hid_match_id(hdev, hdrv->id_table);
+}
+
 static int hid_bus_match(struct device *dev, struct device_driver *drv)
 {
         struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
 
-        if (!hid_match_id(hdev, hdrv->id_table))
+        if (!hid_match_device(hdev, hdrv))
                 return 0;
 
         /* generic wants all non-blacklisted */
@@ -1332,7 +1410,7 @@ static int hid_device_probe(struct device *dev)
         int ret = 0;
 
         if (!hdev->driver) {
-                id = hid_match_id(hdev, hdrv->id_table);
+                id = hid_match_device(hdev, hdrv);
                 if (id == NULL)
                         return -ENODEV;
 
@@ -1420,6 +1498,7 @@ static const struct hid_device_id hid_ignore_list[] = {
         { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) },
         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) },
         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) },
+        { HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) },
         { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) },
         { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) },
         { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
@@ -1577,6 +1656,9 @@ static const struct hid_device_id hid_mouse_ignore_list[] = {
         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
+        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
+        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
+        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
         { }
@@ -1618,9 +1700,10 @@ int hid_add_device(struct hid_device *hdev)
         if (hid_ignore(hdev))
                 return -ENODEV;
 
-        /* XXX hack, any other cleaner solution < 20 bus_id bytes? */
-        sprintf(hdev->dev.bus_id, "%04X:%04X:%04X.%04X", hdev->bus,
-                        hdev->vendor, hdev->product, atomic_inc_return(&id));
+        /* XXX hack, any other cleaner solution after the driver core
+         * is converted to allow more than 20 bytes as the device name? */
+        dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
+                     hdev->vendor, hdev->product, atomic_inc_return(&id));
 
         ret = device_add(&hdev->dev);
         if (!ret)
@@ -1695,18 +1778,33 @@ EXPORT_SYMBOL_GPL(hid_destroy_device);
 int __hid_register_driver(struct hid_driver *hdrv, struct module *owner,
                 const char *mod_name)
 {
+        int ret;
+
         hdrv->driver.name = hdrv->name;
         hdrv->driver.bus = &hid_bus_type;
         hdrv->driver.owner = owner;
         hdrv->driver.mod_name = mod_name;
 
-        return driver_register(&hdrv->driver);
+        INIT_LIST_HEAD(&hdrv->dyn_list);
+        spin_lock_init(&hdrv->dyn_lock);
+
+        ret = driver_register(&hdrv->driver);
+        if (ret)
+                return ret;
+
+        ret = driver_create_file(&hdrv->driver, &driver_attr_new_id);
+        if (ret)
+                driver_unregister(&hdrv->driver);
+
+        return ret;
 }
 EXPORT_SYMBOL_GPL(__hid_register_driver);
 
 void hid_unregister_driver(struct hid_driver *hdrv)
 {
+        driver_remove_file(&hdrv->driver, &driver_attr_new_id);
         driver_unregister(&hdrv->driver);
+        hid_free_dynids(hdrv);
 }
 EXPORT_SYMBOL_GPL(hid_unregister_driver);