v4.19.13 snapshot.
diff --git a/drivers/hid/hid-generic.c b/drivers/hid/hid-generic.c
new file mode 100644
index 0000000..3b6eccb
--- /dev/null
+++ b/drivers/hid/hid-generic.c
@@ -0,0 +1,89 @@
+/*
+ * HID support for Linux
+ *
+ * Copyright (c) 1999 Andreas Gal
+ * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
+ * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
+ * Copyright (c) 2007-2008 Oliver Neukum
+ * Copyright (c) 2006-2012 Jiri Kosina
+ * Copyright (c) 2012 Henrik Rydberg
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ */
+
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/kernel.h>
+#include <asm/unaligned.h>
+#include <asm/byteorder.h>
+
+#include <linux/hid.h>
+
+static struct hid_driver hid_generic;
+
+static int __check_hid_generic(struct device_driver *drv, void *data)
+{
+ struct hid_driver *hdrv = to_hid_driver(drv);
+ struct hid_device *hdev = data;
+
+ if (hdrv == &hid_generic)
+ return 0;
+
+ return hid_match_device(hdev, hdrv) != NULL;
+}
+
+static bool hid_generic_match(struct hid_device *hdev,
+ bool ignore_special_driver)
+{
+ if (ignore_special_driver)
+ return true;
+
+ if (hdev->quirks & HID_QUIRK_HAVE_SPECIAL_DRIVER)
+ return false;
+
+ /*
+ * If any other driver wants the device, leave the device to this other
+ * driver.
+ */
+ if (bus_for_each_drv(&hid_bus_type, NULL, hdev, __check_hid_generic))
+ return false;
+
+ return true;
+}
+
+static int hid_generic_probe(struct hid_device *hdev,
+ const struct hid_device_id *id)
+{
+ int ret;
+
+ hdev->quirks |= HID_QUIRK_INPUT_PER_APP;
+
+ ret = hid_parse(hdev);
+ if (ret)
+ return ret;
+
+ return hid_hw_start(hdev, HID_CONNECT_DEFAULT);
+}
+
+static const struct hid_device_id hid_table[] = {
+ { HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY, HID_ANY_ID, HID_ANY_ID) },
+ { }
+};
+MODULE_DEVICE_TABLE(hid, hid_table);
+
+static struct hid_driver hid_generic = {
+ .name = "hid-generic",
+ .id_table = hid_table,
+ .match = hid_generic_match,
+ .probe = hid_generic_probe,
+};
+module_hid_driver(hid_generic);
+
+MODULE_AUTHOR("Henrik Rydberg");
+MODULE_DESCRIPTION("HID generic driver");
+MODULE_LICENSE("GPL");