Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/bluetooth/btsdio.c b/drivers/bluetooth/btsdio.c
index 20142bc..fd9571d 100644
--- a/drivers/bluetooth/btsdio.c
+++ b/drivers/bluetooth/btsdio.c
@@ -1,25 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *
  *  Generic Bluetooth SDIO driver
  *
  *  Copyright (C) 2007  Cambridge Silicon Radio Ltd.
  *  Copyright (C) 2007  Marcel Holtmann <marcel@holtmann.org>
- *
- *
- *  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.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- *
  */
 
 #include <linux/kernel.h>
@@ -293,13 +278,18 @@
 		tuple = tuple->next;
 	}
 
-	/* BCM43341 devices soldered onto the PCB (non-removable) use an
-	 * uart connection for bluetooth, ignore the BT SDIO interface.
+	/* Broadcom devices soldered onto the PCB (non-removable) use an
+	 * UART connection for Bluetooth, ignore the BT SDIO interface.
 	 */
 	if (func->vendor == SDIO_VENDOR_ID_BROADCOM &&
-	    func->device == SDIO_DEVICE_ID_BROADCOM_43341 &&
-	    !mmc_card_is_removable(func->card->host))
-		return -ENODEV;
+	    !mmc_card_is_removable(func->card->host)) {
+		switch (func->device) {
+		case SDIO_DEVICE_ID_BROADCOM_43341:
+		case SDIO_DEVICE_ID_BROADCOM_43430:
+		case SDIO_DEVICE_ID_BROADCOM_4356:
+			return -ENODEV;
+		}
+	}
 
 	data = devm_kzalloc(&func->dev, sizeof(*data), GFP_KERNEL);
 	if (!data)
@@ -372,20 +362,7 @@
 	.id_table	= btsdio_table,
 };
 
-static int __init btsdio_init(void)
-{
-	BT_INFO("Generic Bluetooth SDIO driver ver %s", VERSION);
-
-	return sdio_register_driver(&btsdio_driver);
-}
-
-static void __exit btsdio_exit(void)
-{
-	sdio_unregister_driver(&btsdio_driver);
-}
-
-module_init(btsdio_init);
-module_exit(btsdio_exit);
+module_sdio_driver(btsdio_driver);
 
 MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
 MODULE_DESCRIPTION("Generic Bluetooth SDIO driver ver " VERSION);