Cleanup package and add LTS version

6 files changed, 28 insertions, 4580 deletions

diff --git a/.SRCINFO b/.SRCINFO
index 2c68f978e934..393349164a54 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -6,7 +6,6 @@ pkgbase = btusb-csr-0x8891
 	arch = i686
 	arch = x86_64
 	license = GPL
-	makedepends = linux-headers
 	depends = dkms
 	source = Makefile
 	source = btusb.patch
@@ -15,6 +14,10 @@ pkgbase = btusb-csr-0x8891
 	source = btbcm.h::https://raw.githubusercontent.com/zen-kernel/zen-kernel/v5.7.6-zen1/drivers/bluetooth/btbcm.h
 	source = btrtl.h::https://raw.githubusercontent.com/zen-kernel/zen-kernel/v5.7.6-zen1/drivers/bluetooth/btrtl.h
 	source = dkms.conf
+	source = btusb-lts.c::https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/plain/drivers/bluetooth/btusb.c?h=v5.4.80
+	source = btintel-lts.h::https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/plain/drivers/bluetooth/btintel.h?h=v5.4.80
+	source = btbcm-lts.h::https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/plain/drivers/bluetooth/btbcm.h?h=v5.4.80
+	source = btrtl-lts.h::https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/plain/drivers/bluetooth/btrtl.h?h=v5.4.80
 	sha512sums = 263480d12c234c4e42bf5c8e518af8b6000a8d2307d4cf0a740d22887c1574a36a9105272d0b739a04257fceb66f794d230d901f70ffd8076fdd294bc503216d
 	sha512sums = dd33fb45c6ba132925ee0f1e1e1743708e578cae0857c1704e8a0caa50c27438d78d9e1c80f2a8acc0f47fd902dde62dc8670ed2dafbe7d044a26a1c50edee1e
 	sha512sums = d781e417dce6bbfc098a01cdbc4935c75711e4384eb56f9875c05de046a182930d38602a2b159edfeb43523d75be09158ae806bb1da167b160b86d2efb28102b
@@ -22,6 +25,10 @@ pkgbase = btusb-csr-0x8891
 	sha512sums = b526d42413a1621bbd6360ada6e0623c74c7cb31c0e82d1ac6690b782ea2c9b496bb6e650fe4a66fa16bb405ecb3f14233f7c3e68093f9939a21f61c2f082ea0
 	sha512sums = 0230ffe3981bc4b99fd7b961d0a8181920dd7ad231ed4ed89824872d4e9ba3305cf18cfe88f954eca9dd000fd10abbefbdddf89bef11aac91fec07c0425bf701
 	sha512sums = 2bde0461ab2bb84bb5bb2a5dce5ae8e6919cf5649f72bd2dc3b505c359b80713d8573409d11101789e1455b5090bbdd9305adfbabb78d5cbc56598abedc24c18
+	sha512sums = d0d8ce26aae0a7be84120e9d43cf16a60d70d044cdbc36949395cb6fdc18382bf36134c3e81b3a9bcf4dd29155ba310c4953a0241abf99bda305c27fca50e315
+	sha512sums = 2ab0f32cbf79b178a2db4376758d9c5efe1a37e1ce597d1a6365fc920b6b83c23211a772b7b66cf04b3ecba813f062d78cad3f95c743223dd3bf95e1707c7460
+	sha512sums = 320706504bf00fe7928ea8c67340f1535912bd32ad3554b6c972413952299a19ce67003a00556b1d568a08c1f355bf10dbe0523df3b5a1879dcd5043a269eebf
+	sha512sums = 3458820f64b426444406356c56d1845c6e077d829fa2cdb6804befda657b7ae495d39da11b6ba6202fb147a64e161e74a48fcb6d7a7ef19bc122da12c7c47ebf
 
 pkgname = btusb-csr-0x8891
 
diff --git a/PKGBUILD b/PKGBUILD
index 7d4672309a50..24e83d3b1b4d 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -8,7 +8,8 @@ url=https://bugzilla.kernel.org/show_bug.cgi?id=60824
 arch=('i686' 'x86_64')
 license=('GPL')
 depends=('dkms')
-makedepends=('linux-headers<5.9')
+#makedepends=('linux-headers<5.9')
+_lts_version=5.4.80
 
 source=(
 	"Makefile"
@@ -18,10 +19,24 @@ source=(
 	"btbcm.h::https://raw.githubusercontent.com/zen-kernel/zen-kernel/v5.7.6-zen1/drivers/bluetooth/btbcm.h"
 	"btrtl.h::https://raw.githubusercontent.com/zen-kernel/zen-kernel/v5.7.6-zen1/drivers/bluetooth/btrtl.h"
 	"dkms.conf"
+	"btusb-lts.c::https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/plain/drivers/bluetooth/btusb.c?h=v${_lts_version}"
+	"btintel-lts.h::https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/plain/drivers/bluetooth/btintel.h?h=v${_lts_version}"
+	"btbcm-lts.h::https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/plain/drivers/bluetooth/btbcm.h?h=v${_lts_version}"
+	"btrtl-lts.h::https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/plain/drivers/bluetooth/btrtl.h?h=v${_lts_version}"
 ) 
 
 prepare() {
 	\cp --remove-destination $(readlink btusb.c) btusb.c
+	\cp --remove-destination $(readlink btusb-lts.c) btusb-lts.c
+	if [[ `cat /proc/version | sed "s/Linux version \([5]\.[0-9]\+\.[0-9]\+\).*/\1/"` == $_lts_version ]]; then
+		rm btusb.c btintel.h btbcm.h btrtl.h
+		mv btusb-lts.c btusb.c
+		mv btintel-lts.h btintel.h
+		mv btbcm-lts.h btbcm.h
+		mv btrtl-lts.h btrtl.h
+	else
+		rm btusb-lts.c btintel-lts.h btbcm-lts.h btrtl-lts.h
+	fi
 	patch -p1 < btusb.patch
 }
 
@@ -52,5 +67,9 @@ sha512sums=(
 	'b526d42413a1621bbd6360ada6e0623c74c7cb31c0e82d1ac6690b782ea2c9b496bb6e650fe4a66fa16bb405ecb3f14233f7c3e68093f9939a21f61c2f082ea0'
 	'0230ffe3981bc4b99fd7b961d0a8181920dd7ad231ed4ed89824872d4e9ba3305cf18cfe88f954eca9dd000fd10abbefbdddf89bef11aac91fec07c0425bf701'
 	'2bde0461ab2bb84bb5bb2a5dce5ae8e6919cf5649f72bd2dc3b505c359b80713d8573409d11101789e1455b5090bbdd9305adfbabb78d5cbc56598abedc24c18'
+	'd0d8ce26aae0a7be84120e9d43cf16a60d70d044cdbc36949395cb6fdc18382bf36134c3e81b3a9bcf4dd29155ba310c4953a0241abf99bda305c27fca50e315'
+	'2ab0f32cbf79b178a2db4376758d9c5efe1a37e1ce597d1a6365fc920b6b83c23211a772b7b66cf04b3ecba813f062d78cad3f95c743223dd3bf95e1707c7460'
+	'320706504bf00fe7928ea8c67340f1535912bd32ad3554b6c972413952299a19ce67003a00556b1d568a08c1f355bf10dbe0523df3b5a1879dcd5043a269eebf'
+	'3458820f64b426444406356c56d1845c6e077d829fa2cdb6804befda657b7ae495d39da11b6ba6202fb147a64e161e74a48fcb6d7a7ef19bc122da12c7c47ebf'
 )
 
diff --git a/btbcm.h b/btbcm.h
deleted file mode 100644
index 014ef847a486..000000000000
--- a/btbcm.h
+++ /dev/null
@@ -1,119 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- *
- *  Bluetooth support for Broadcom devices
- *
- *  Copyright (C) 2015  Intel Corporation
- */
-
-#define BCM_UART_CLOCK_48MHZ	0x01
-#define BCM_UART_CLOCK_24MHZ	0x02
-
-struct bcm_update_uart_baud_rate {
-	__le16 zero;
-	__le32 baud_rate;
-} __packed;
-
-struct bcm_write_uart_clock_setting {
-	__u8 type;
-} __packed;
-
-struct bcm_set_sleep_mode {
-	__u8 sleep_mode;
-	__u8 idle_host;
-	__u8 idle_dev;
-	__u8 bt_wake_active;
-	__u8 host_wake_active;
-	__u8 allow_host_sleep;
-	__u8 combine_modes;
-	__u8 tristate_control;
-	__u8 usb_auto_sleep;
-	__u8 usb_resume_timeout;
-	__u8 break_to_host;
-	__u8 pulsed_host_wake;
-} __packed;
-
-struct bcm_set_pcm_int_params {
-	__u8 routing;
-	__u8 rate;
-	__u8 frame_sync;
-	__u8 sync_mode;
-	__u8 clock_mode;
-} __packed;
-
-struct bcm_set_pcm_format_params {
-	__u8 lsb_first;
-	__u8 fill_value;
-	__u8 fill_method;
-	__u8 fill_num;
-	__u8 right_justify;
-} __packed;
-
-#if IS_ENABLED(CONFIG_BT_BCM)
-
-int btbcm_check_bdaddr(struct hci_dev *hdev);
-int btbcm_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
-int btbcm_patchram(struct hci_dev *hdev, const struct firmware *fw);
-int btbcm_read_pcm_int_params(struct hci_dev *hdev,
-			      struct bcm_set_pcm_int_params *params);
-int btbcm_write_pcm_int_params(struct hci_dev *hdev,
-			       const struct bcm_set_pcm_int_params *params);
-
-int btbcm_setup_patchram(struct hci_dev *hdev);
-int btbcm_setup_apple(struct hci_dev *hdev);
-
-int btbcm_initialize(struct hci_dev *hdev, char *fw_name, size_t len,
-		     bool reinit);
-int btbcm_finalize(struct hci_dev *hdev);
-
-#else
-
-static inline int btbcm_check_bdaddr(struct hci_dev *hdev)
-{
-	return -EOPNOTSUPP;
-}
-
-static inline int btbcm_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
-{
-	return -EOPNOTSUPP;
-}
-
-static inline int btbcm_read_pcm_int_params(struct hci_dev *hdev,
-			      struct bcm_set_pcm_int_params *params)
-{
-	return -EOPNOTSUPP;
-}
-
-static inline int btbcm_write_pcm_int_params(struct hci_dev *hdev,
-			       const struct bcm_set_pcm_int_params *params)
-{
-	return -EOPNOTSUPP;
-}
-
-static inline int btbcm_patchram(struct hci_dev *hdev, const struct firmware *fw)
-{
-	return -EOPNOTSUPP;
-}
-
-static inline int btbcm_setup_patchram(struct hci_dev *hdev)
-{
-	return 0;
-}
-
-static inline int btbcm_setup_apple(struct hci_dev *hdev)
-{
-	return 0;
-}
-
-static inline int btbcm_initialize(struct hci_dev *hdev, char *fw_name,
-				   size_t len, bool reinit)
-{
-	return 0;
-}
-
-static inline int btbcm_finalize(struct hci_dev *hdev)
-{
-	return 0;
-}
-
-#endif
diff --git a/btintel.h b/btintel.h
deleted file mode 100644
index a69ea8a87b9b..000000000000
--- a/btintel.h
+++ /dev/null
@@ -1,189 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- *
- *  Bluetooth support for Intel devices
- *
- *  Copyright (C) 2015  Intel Corporation
- */
-
-struct intel_version {
-	u8 status;
-	u8 hw_platform;
-	u8 hw_variant;
-	u8 hw_revision;
-	u8 fw_variant;
-	u8 fw_revision;
-	u8 fw_build_num;
-	u8 fw_build_ww;
-	u8 fw_build_yy;
-	u8 fw_patch_num;
-} __packed;
-
-struct intel_boot_params {
-	__u8     status;
-	__u8     otp_format;
-	__u8     otp_content;
-	__u8     otp_patch;
-	__le16   dev_revid;
-	__u8     secure_boot;
-	__u8     key_from_hdr;
-	__u8     key_type;
-	__u8     otp_lock;
-	__u8     api_lock;
-	__u8     debug_lock;
-	bdaddr_t otp_bdaddr;
-	__u8     min_fw_build_nn;
-	__u8     min_fw_build_cw;
-	__u8     min_fw_build_yy;
-	__u8     limited_cce;
-	__u8     unlocked_state;
-} __packed;
-
-struct intel_bootup {
-	__u8     zero;
-	__u8     num_cmds;
-	__u8     source;
-	__u8     reset_type;
-	__u8     reset_reason;
-	__u8     ddc_status;
-} __packed;
-
-struct intel_secure_send_result {
-	__u8     result;
-	__le16   opcode;
-	__u8     status;
-} __packed;
-
-struct intel_reset {
-	__u8     reset_type;
-	__u8     patch_enable;
-	__u8     ddc_reload;
-	__u8     boot_option;
-	__le32   boot_param;
-} __packed;
-
-#if IS_ENABLED(CONFIG_BT_INTEL)
-
-int btintel_check_bdaddr(struct hci_dev *hdev);
-int btintel_enter_mfg(struct hci_dev *hdev);
-int btintel_exit_mfg(struct hci_dev *hdev, bool reset, bool patched);
-int btintel_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
-int btintel_set_diag(struct hci_dev *hdev, bool enable);
-int btintel_set_diag_mfg(struct hci_dev *hdev, bool enable);
-void btintel_hw_error(struct hci_dev *hdev, u8 code);
-
-void btintel_version_info(struct hci_dev *hdev, struct intel_version *ver);
-int btintel_secure_send(struct hci_dev *hdev, u8 fragment_type, u32 plen,
-			const void *param);
-int btintel_load_ddc_config(struct hci_dev *hdev, const char *ddc_name);
-int btintel_set_event_mask(struct hci_dev *hdev, bool debug);
-int btintel_set_event_mask_mfg(struct hci_dev *hdev, bool debug);
-int btintel_read_version(struct hci_dev *hdev, struct intel_version *ver);
-
-struct regmap *btintel_regmap_init(struct hci_dev *hdev, u16 opcode_read,
-				   u16 opcode_write);
-int btintel_send_intel_reset(struct hci_dev *hdev, u32 boot_param);
-int btintel_read_boot_params(struct hci_dev *hdev,
-			     struct intel_boot_params *params);
-int btintel_download_firmware(struct hci_dev *dev, const struct firmware *fw,
-			      u32 *boot_param);
-void btintel_reset_to_bootloader(struct hci_dev *hdev);
-#else
-
-static inline int btintel_check_bdaddr(struct hci_dev *hdev)
-{
-	return -EOPNOTSUPP;
-}
-
-static inline int btintel_enter_mfg(struct hci_dev *hdev)
-{
-	return -EOPNOTSUPP;
-}
-
-static inline int btintel_exit_mfg(struct hci_dev *hdev, bool reset, bool patched)
-{
-	return -EOPNOTSUPP;
-}
-
-static inline int btintel_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
-{
-	return -EOPNOTSUPP;
-}
-
-static inline int btintel_set_diag(struct hci_dev *hdev, bool enable)
-{
-	return -EOPNOTSUPP;
-}
-
-static inline int btintel_set_diag_mfg(struct hci_dev *hdev, bool enable)
-{
-	return -EOPNOTSUPP;
-}
-
-static inline void btintel_hw_error(struct hci_dev *hdev, u8 code)
-{
-}
-
-static inline void btintel_version_info(struct hci_dev *hdev,
-					struct intel_version *ver)
-{
-}
-
-static inline int btintel_secure_send(struct hci_dev *hdev, u8 fragment_type,
-				      u32 plen, const void *param)
-{
-	return -EOPNOTSUPP;
-}
-
-static inline int btintel_load_ddc_config(struct hci_dev *hdev,
-					  const char *ddc_name)
-{
-	return -EOPNOTSUPP;
-}
-
-static inline int btintel_set_event_mask(struct hci_dev *hdev, bool debug)
-{
-	return -EOPNOTSUPP;
-}
-
-static inline int btintel_set_event_mask_mfg(struct hci_dev *hdev, bool debug)
-{
-	return -EOPNOTSUPP;
-}
-
-static inline int btintel_read_version(struct hci_dev *hdev,
-				       struct intel_version *ver)
-{
-	return -EOPNOTSUPP;
-}
-
-static inline struct regmap *btintel_regmap_init(struct hci_dev *hdev,
-						 u16 opcode_read,
-						 u16 opcode_write)
-{
-	return ERR_PTR(-EINVAL);
-}
-
-static inline int btintel_send_intel_reset(struct hci_dev *hdev,
-					   u32 reset_param)
-{
-	return -EOPNOTSUPP;
-}
-
-static inline int btintel_read_boot_params(struct hci_dev *hdev,
-					   struct intel_boot_params *params)
-{
-	return -EOPNOTSUPP;
-}
-
-static inline int btintel_download_firmware(struct hci_dev *dev,
-					    const struct firmware *fw,
-					    u32 *boot_param)
-{
-	return -EOPNOTSUPP;
-}
-
-static inline void btintel_reset_to_bootloader(struct hci_dev *hdev)
-{
-}
-#endif
diff --git a/btrtl.h b/btrtl.h
deleted file mode 100644
index 2a582682136d..000000000000
--- a/btrtl.h
+++ /dev/null
@@ -1,101 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- *  Bluetooth support for Realtek devices
- *
- *  Copyright (C) 2015 Endless Mobile, Inc.
- */
-
-#define RTL_FRAG_LEN 252
-
-#define rtl_dev_err(dev, fmt, ...) bt_dev_err(dev, "RTL: " fmt, ##__VA_ARGS__)
-#define rtl_dev_warn(dev, fmt, ...) bt_dev_warn(dev, "RTL: " fmt, ##__VA_ARGS__)
-#define rtl_dev_info(dev, fmt, ...) bt_dev_info(dev, "RTL: " fmt, ##__VA_ARGS__)
-#define rtl_dev_dbg(dev, fmt, ...) bt_dev_dbg(dev, "RTL: " fmt, ##__VA_ARGS__)
-
-struct btrtl_device_info;
-
-struct rtl_download_cmd {
-	__u8 index;
-	__u8 data[RTL_FRAG_LEN];
-} __packed;
-
-struct rtl_download_response {
-	__u8 status;
-	__u8 index;
-} __packed;
-
-struct rtl_rom_version_evt {
-	__u8 status;
-	__u8 version;
-} __packed;
-
-struct rtl_epatch_header {
-	__u8 signature[8];
-	__le32 fw_version;
-	__le16 num_patches;
-} __packed;
-
-struct rtl_vendor_config_entry {
-	__le16 offset;
-	__u8 len;
-	__u8 data[];
-} __packed;
-
-struct rtl_vendor_config {
-	__le32 signature;
-	__le16 total_len;
-	struct rtl_vendor_config_entry entry[];
-} __packed;
-
-#if IS_ENABLED(CONFIG_BT_RTL)
-
-struct btrtl_device_info *btrtl_initialize(struct hci_dev *hdev,
-					   const char *postfix);
-void btrtl_free(struct btrtl_device_info *btrtl_dev);
-int btrtl_download_firmware(struct hci_dev *hdev,
-			    struct btrtl_device_info *btrtl_dev);
-int btrtl_setup_realtek(struct hci_dev *hdev);
-int btrtl_shutdown_realtek(struct hci_dev *hdev);
-int btrtl_get_uart_settings(struct hci_dev *hdev,
-			    struct btrtl_device_info *btrtl_dev,
-			    unsigned int *controller_baudrate,
-			    u32 *device_baudrate, bool *flow_control);
-
-#else
-
-static inline struct btrtl_device_info *btrtl_initialize(struct hci_dev *hdev,
-							 const char *postfix)
-{
-	return ERR_PTR(-EOPNOTSUPP);
-}
-
-static inline void btrtl_free(struct btrtl_device_info *btrtl_dev)
-{
-}
-
-static inline int btrtl_download_firmware(struct hci_dev *hdev,
-					  struct btrtl_device_info *btrtl_dev)
-{
-	return -EOPNOTSUPP;
-}
-
-static inline int btrtl_setup_realtek(struct hci_dev *hdev)
-{
-	return -EOPNOTSUPP;
-}
-
-static inline int btrtl_shutdown_realtek(struct hci_dev *hdev)
-{
-	return -EOPNOTSUPP;
-}
-
-static inline int btrtl_get_uart_settings(struct hci_dev *hdev,
-					  struct btrtl_device_info *btrtl_dev,
-					  unsigned int *controller_baudrate,
-					  u32 *device_baudrate,
-					  bool *flow_control)
-{
-	return -ENOENT;
-}
-
-#endif
diff --git a/btusb.c b/btusb.c
deleted file mode 100644
index 3d9313c746f3..000000000000
--- a/btusb.c
+++ /dev/null
@@ -1,4169 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- *
- *  Generic Bluetooth USB driver
- *
- *  Copyright (C) 2005-2008  Marcel Holtmann <marcel@holtmann.org>
- */
-
-#include <linux/dmi.h>
-#include <linux/module.h>
-#include <linux/usb.h>
-#include <linux/usb/quirks.h>
-#include <linux/firmware.h>
-#include <linux/iopoll.h>
-#include <linux/of_device.h>
-#include <linux/of_irq.h>
-#include <linux/suspend.h>
-#include <linux/gpio/consumer.h>
-#include <asm/unaligned.h>
-
-#include <net/bluetooth/bluetooth.h>
-#include <net/bluetooth/hci_core.h>
-
-#include "btintel.h"
-#include "btbcm.h"
-#include "btrtl.h"
-
-#define VERSION "0.8"
-
-static bool disable_scofix;
-static bool force_scofix;
-static bool enable_autosuspend = IS_ENABLED(CONFIG_BT_HCIBTUSB_AUTOSUSPEND);
-
-static bool reset = true;
-
-static struct usb_driver btusb_driver;
-
-#define BTUSB_IGNORE		0x01
-#define BTUSB_DIGIANSWER	0x02
-#define BTUSB_CSR		0x04
-#define BTUSB_SNIFFER		0x08
-#define BTUSB_BCM92035		0x10
-#define BTUSB_BROKEN_ISOC	0x20
-#define BTUSB_WRONG_SCO_MTU	0x40
-#define BTUSB_ATH3012		0x80
-#define BTUSB_INTEL		0x100
-#define BTUSB_INTEL_BOOT	0x200
-#define BTUSB_BCM_PATCHRAM	0x400
-#define BTUSB_MARVELL		0x800
-#define BTUSB_SWAVE		0x1000
-#define BTUSB_INTEL_NEW		0x2000
-#define BTUSB_AMP		0x4000
-#define BTUSB_QCA_ROME		0x8000
-#define BTUSB_BCM_APPLE		0x10000
-#define BTUSB_REALTEK		0x20000
-#define BTUSB_BCM2045		0x40000
-#define BTUSB_IFNUM_2		0x80000
-#define BTUSB_CW6622		0x100000
-#define BTUSB_MEDIATEK		0x200000
-#define BTUSB_WIDEBAND_SPEECH	0x400000
-#define BTUSB_VALID_LE_STATES   0x800000
-
-static const struct usb_device_id btusb_table[] = {
-	/* Generic Bluetooth USB device */
-	{ USB_DEVICE_INFO(0xe0, 0x01, 0x01) },
-
-	/* Generic Bluetooth AMP device */
-	{ USB_DEVICE_INFO(0xe0, 0x01, 0x04), .driver_info = BTUSB_AMP },
-
-	/* Generic Bluetooth USB interface */
-	{ USB_INTERFACE_INFO(0xe0, 0x01, 0x01) },
-
-	/* Apple-specific (Broadcom) devices */
-	{ USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01),
-	  .driver_info = BTUSB_BCM_APPLE | BTUSB_IFNUM_2 },
-
-	/* MediaTek MT76x0E */
-	{ USB_DEVICE(0x0e8d, 0x763f) },
-
-	/* Broadcom SoftSailing reporting vendor specific */
-	{ USB_DEVICE(0x0a5c, 0x21e1) },
-
-	/* Apple MacBookPro 7,1 */
-	{ USB_DEVICE(0x05ac, 0x8213) },
-
-	/* Apple iMac11,1 */
-	{ USB_DEVICE(0x05ac, 0x8215) },
-
-	/* Apple MacBookPro6,2 */
-	{ USB_DEVICE(0x05ac, 0x8218) },
-
-	/* Apple MacBookAir3,1, MacBookAir3,2 */
-	{ USB_DEVICE(0x05ac, 0x821b) },
-
-	/* Apple MacBookAir4,1 */
-	{ USB_DEVICE(0x05ac, 0x821f) },
-
-	/* Apple MacBookPro8,2 */
-	{ USB_DEVICE(0x05ac, 0x821a) },
-
-	/* Apple MacMini5,1 */
-	{ USB_DEVICE(0x05ac, 0x8281) },
-
-	/* AVM BlueFRITZ! USB v2.0 */
-	{ USB_DEVICE(0x057c, 0x3800), .driver_info = BTUSB_SWAVE },
-
-	/* Bluetooth Ultraport Module from IBM */
-	{ USB_DEVICE(0x04bf, 0x030a) },
-
-	/* ALPS Modules with non-standard id */
-	{ USB_DEVICE(0x044e, 0x3001) },
-	{ USB_DEVICE(0x044e, 0x3002) },
-
-	/* Ericsson with non-standard id */
-	{ USB_DEVICE(0x0bdb, 0x1002) },
-
-	/* Canyon CN-BTU1 with HID interfaces */
-	{ USB_DEVICE(0x0c10, 0x0000) },
-
-	/* Broadcom BCM20702A0 */
-	{ USB_DEVICE(0x413c, 0x8197) },
-
-	/* Broadcom BCM20702B0 (Dynex/Insignia) */
-	{ USB_DEVICE(0x19ff, 0x0239), .driver_info = BTUSB_BCM_PATCHRAM },
-
-	/* Broadcom BCM43142A0 (Foxconn/Lenovo) */
-	{ USB_VENDOR_AND_INTERFACE_INFO(0x105b, 0xff, 0x01, 0x01),
-	  .driver_info = BTUSB_BCM_PATCHRAM },
-
-	/* Broadcom BCM920703 (HTC Vive) */
-	{ USB_VENDOR_AND_INTERFACE_INFO(0x0bb4, 0xff, 0x01, 0x01),
-	  .driver_info = BTUSB_BCM_PATCHRAM },
-
-	/* Foxconn - Hon Hai */
-	{ USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01),
-	  .driver_info = BTUSB_BCM_PATCHRAM },
-
-	/* Lite-On Technology - Broadcom based */
-	{ USB_VENDOR_AND_INTERFACE_INFO(0x04ca, 0xff, 0x01, 0x01),
-	  .driver_info = BTUSB_BCM_PATCHRAM },
-
-	/* Broadcom devices with vendor specific id */
-	{ USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01),
-	  .driver_info = BTUSB_BCM_PATCHRAM },
-
-	/* ASUSTek Computer - Broadcom based */
-	{ USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01),
-	  .driver_info = BTUSB_BCM_PATCHRAM },
-
-	/* Belkin F8065bf - Broadcom based */
-	{ USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01),
-	  .driver_info = BTUSB_BCM_PATCHRAM },
-
-	/* IMC Networks - Broadcom based */
-	{ USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01),
-	  .driver_info = BTUSB_BCM_PATCHRAM },
-
-	/* Dell Computer - Broadcom based  */
-	{ USB_VENDOR_AND_INTERFACE_INFO(0x413c, 0xff, 0x01, 0x01),
-	  .driver_info = BTUSB_BCM_PATCHRAM },
-
-	/* Toshiba Corp - Broadcom based */
-	{ USB_VENDOR_AND_INTERFACE_INFO(0x0930, 0xff, 0x01, 0x01),
-	  .driver_info = BTUSB_BCM_PATCHRAM },
-
-	/* Intel Bluetooth USB Bootloader (RAM module) */
-	{ USB_DEVICE(0x8087, 0x0a5a),
-	  .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC },
-
-	{ }	/* Terminating entry */
-};
-
-MODULE_DEVICE_TABLE(usb, btusb_table);
-
-static const struct usb_device_id blacklist_table[] = {
-	/* CSR BlueCore devices */
-	{ USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR },
-
-	/* Broadcom BCM2033 without firmware */
-	{ USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE },
-
-	/* Broadcom BCM2045 devices */
-	{ USB_DEVICE(0x0a5c, 0x2045), .driver_info = BTUSB_BCM2045 },
-
-	/* Atheros 3011 with sflash firmware */
-	{ USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE },
-	{ USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE },
-	{ USB_DEVICE(0x04f2, 0xaff1), .driver_info = BTUSB_IGNORE },
-	{ USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE },
-	{ USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE },
-	{ USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE },
-	{ USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE },
-
-	/* Atheros AR9285 Malbec with sflash firmware */
-	{ USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE },
-
-	/* Atheros 3012 with sflash firmware */
-	{ USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x0489, 0xe095), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x04ca, 0x3018), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x0cf3, 0x817b), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x13d3, 0x3395), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x13d3, 0x3472), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x13d3, 0x3487), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x13d3, 0x3490), .driver_info = BTUSB_ATH3012 },
-
-	/* Atheros AR5BBU12 with sflash firmware */
-	{ USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
-
-	/* Atheros AR5BBU12 with sflash firmware */
-	{ USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 },
-	{ USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 },
-
-	/* QCA ROME chipset */
-	{ USB_DEVICE(0x0cf3, 0x535b), .driver_info = BTUSB_QCA_ROME },
-	{ USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME },
-	{ USB_DEVICE(0x0cf3, 0xe009), .driver_info = BTUSB_QCA_ROME },
-	{ USB_DEVICE(0x0cf3, 0xe010), .driver_info = BTUSB_QCA_ROME },
-	{ USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME },
-	{ USB_DEVICE(0x0cf3, 0xe301), .driver_info = BTUSB_QCA_ROME },
-	{ USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME },
-	{ USB_DEVICE(0x0489, 0xe092), .driver_info = BTUSB_QCA_ROME },
-	{ USB_DEVICE(0x0489, 0xe09f), .driver_info = BTUSB_QCA_ROME },
-	{ USB_DEVICE(0x0489, 0xe0a2), .driver_info = BTUSB_QCA_ROME },
-	{ USB_DEVICE(0x04ca, 0x3011), .driver_info = BTUSB_QCA_ROME },
-	{ USB_DEVICE(0x04ca, 0x3015), .driver_info = BTUSB_QCA_ROME },
-	{ USB_DEVICE(0x04ca, 0x3016), .driver_info = BTUSB_QCA_ROME },
-	{ USB_DEVICE(0x04ca, 0x301a), .driver_info = BTUSB_QCA_ROME },
-	{ USB_DEVICE(0x04ca, 0x3021), .driver_info = BTUSB_QCA_ROME },
-	{ USB_DEVICE(0x13d3, 0x3491), .driver_info = BTUSB_QCA_ROME },
-	{ USB_DEVICE(0x13d3, 0x3496), .driver_info = BTUSB_QCA_ROME },
-	{ USB_DEVICE(0x13d3, 0x3501), .driver_info = BTUSB_QCA_ROME },
-
-	/* Broadcom BCM2035 */
-	{ USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 },
-	{ USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },
-	{ USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU },
-
-	/* Broadcom BCM2045 */
-	{ USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU },
-	{ USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU },
-
-	/* IBM/Lenovo ThinkPad with Broadcom chip */
-	{ USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU },
-	{ USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU },
-
-	/* HP laptop with Broadcom chip */
-	{ USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU },
-
-	/* Dell laptop with Broadcom chip */
-	{ USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU },
-
-	/* Dell Wireless 370 and 410 devices */
-	{ USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU },
-	{ USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU },
-
-	/* Belkin F8T012 and F8T013 devices */
-	{ USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU },
-	{ USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU },
-
-	/* Asus WL-BTD202 device */
-	{ USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU },
-
-	/* Kensington Bluetooth USB adapter */
-	{ USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU },
-
-	/* RTX Telecom based adapters with buggy SCO support */
-	{ USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC },
-	{ USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC },
-
-	/* CONWISE Technology based adapters with buggy SCO support */
-	{ USB_DEVICE(0x0e5e, 0x6622),
-	  .driver_info = BTUSB_BROKEN_ISOC | BTUSB_CW6622},
-
-	/* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */
-	{ USB_DEVICE(0x1310, 0x0001), .driver_info = BTUSB_SWAVE },
-
-	/* Digianswer devices */
-	{ USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER },
-	{ USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE },
-
-	/* CSR BlueCore Bluetooth Sniffer */
-	{ USB_DEVICE(0x0a12, 0x0002),
-	  .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
-
-	/* Frontline ComProbe Bluetooth Sniffer */
-	{ USB_DEVICE(0x16d3, 0x0002),
-	  .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
-
-	/* Marvell Bluetooth devices */
-	{ USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL },
-	{ USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL },
-	{ USB_DEVICE(0x1286, 0x204e), .driver_info = BTUSB_MARVELL },
-
-	/* Intel Bluetooth devices */
-	{ USB_DEVICE(0x8087, 0x0025), .driver_info = BTUSB_INTEL_NEW |
-						     BTUSB_WIDEBAND_SPEECH },
-	{ USB_DEVICE(0x8087, 0x0026), .driver_info = BTUSB_INTEL_NEW |
-						     BTUSB_WIDEBAND_SPEECH },
-	{ USB_DEVICE(0x8087, 0x0029), .driver_info = BTUSB_INTEL_NEW |
-						     BTUSB_WIDEBAND_SPEECH },
-	{ USB_DEVICE(0x8087, 0x07da), .driver_info = BTUSB_CSR },
-	{ USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL },
-	{ USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL },
-	{ USB_DEVICE(0x8087, 0x0a2b), .driver_info = BTUSB_INTEL_NEW |
-						     BTUSB_WIDEBAND_SPEECH },
-	{ USB_DEVICE(0x8087, 0x0aa7), .driver_info = BTUSB_INTEL |
-						     BTUSB_WIDEBAND_SPEECH },
-	{ USB_DEVICE(0x8087, 0x0aaa), .driver_info = BTUSB_INTEL_NEW |
-						     BTUSB_WIDEBAND_SPEECH },
-
-	/* Other Intel Bluetooth devices */
-	{ USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01),
-	  .driver_info = BTUSB_IGNORE },
-
-	/* Realtek Bluetooth devices */
-	{ USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01),
-	  .driver_info = BTUSB_REALTEK },
-
-	/* MediaTek Bluetooth devices */
-	{ USB_VENDOR_AND_INTERFACE_INFO(0x0e8d, 0xe0, 0x01, 0x01),
-	  .driver_info = BTUSB_MEDIATEK },
-
-	/* Additional Realtek 8723AE Bluetooth devices */
-	{ USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK },
-	{ USB_DEVICE(0x13d3, 0x3394), .driver_info = BTUSB_REALTEK },
-
-	/* Additional Realtek 8723BE Bluetooth devices */
-	{ USB_DEVICE(0x0489, 0xe085), .driver_info = BTUSB_REALTEK },
-	{ USB_DEVICE(0x0489, 0xe08b), .driver_info = BTUSB_REALTEK },
-	{ USB_DEVICE(0x13d3, 0x3410), .driver_info = BTUSB_REALTEK },
-	{ USB_DEVICE(0x13d3, 0x3416), .driver_info = BTUSB_REALTEK },
-	{ USB_DEVICE(0x13d3, 0x3459), .driver_info = BTUSB_REALTEK },
-	{ USB_DEVICE(0x13d3, 0x3494), .driver_info = BTUSB_REALTEK },
-
-	/* Additional Realtek 8723BU Bluetooth devices */
-	{ USB_DEVICE(0x7392, 0xa611), .driver_info = BTUSB_REALTEK },
-
-	/* Additional Realtek 8723DE Bluetooth devices */
-	{ USB_DEVICE(0x0bda, 0xb009), .driver_info = BTUSB_REALTEK },
-	{ USB_DEVICE(0x2ff8, 0xb011), .driver_info = BTUSB_REALTEK },
-
-	/* Additional Realtek 8821AE Bluetooth devices */
-	{ USB_DEVICE(0x0b05, 0x17dc), .driver_info = BTUSB_REALTEK },
-	{ USB_DEVICE(0x13d3, 0x3414), .driver_info = BTUSB_REALTEK },
-	{ USB_DEVICE(0x13d3, 0x3458), .driver_info = BTUSB_REALTEK },
-	{ USB_DEVICE(0x13d3, 0x3461), .driver_info = BTUSB_REALTEK },
-	{ USB_DEVICE(0x13d3, 0x3462), .driver_info = BTUSB_REALTEK },
-
-	/* Additional Realtek 8822BE Bluetooth devices */
-	{ USB_DEVICE(0x13d3, 0x3526), .driver_info = BTUSB_REALTEK },
-	{ USB_DEVICE(0x0b05, 0x185c), .driver_info = BTUSB_REALTEK },
-
-	/* Additional Realtek 8822CE Bluetooth devices */
-	{ USB_DEVICE(0x04ca, 0x4005), .driver_info = BTUSB_REALTEK },
-	{ USB_DEVICE(0x13d3, 0x3548), .driver_info = BTUSB_REALTEK },
-
-	/* Silicon Wave based devices */
-	{ USB_DEVICE(0x0c10, 0x0000), .driver_info = BTUSB_SWAVE },
-
-	{ }	/* Terminating entry */
-};
-
-/* The Bluetooth USB module build into some devices needs to be reset on resume,
- * this is a problem with the platform (likely shutting off all power) not with
- * the module itself. So we use a DMI list to match known broken platforms.
- */
-static const struct dmi_system_id btusb_needs_reset_resume_table[] = {
-	{
-		/* Dell OptiPlex 3060 (QCA ROME device 0cf3:e007) */
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
-			DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 3060"),
-		},
-	},
-	{
-		/* Dell XPS 9360 (QCA ROME device 0cf3:e300) */
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
-			DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9360"),
-		},
-	},
-	{
-		/* Dell Inspiron 5565 (QCA ROME device 0cf3:e009) */
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5565"),
-		},
-	},
-	{}
-};
-
-#define BTUSB_MAX_ISOC_FRAMES	10
-
-#define BTUSB_INTR_RUNNING	0
-#define BTUSB_BULK_RUNNING	1
-#define BTUSB_ISOC_RUNNING	2
-#define BTUSB_SUSPENDING	3
-#define BTUSB_DID_ISO_RESUME	4
-#define BTUSB_BOOTLOADER	5
-#define BTUSB_DOWNLOADING	6
-#define BTUSB_FIRMWARE_LOADED	7
-#define BTUSB_FIRMWARE_FAILED	8
-#define BTUSB_BOOTING		9
-#define BTUSB_DIAG_RUNNING	10
-#define BTUSB_OOB_WAKE_ENABLED	11
-#define BTUSB_HW_RESET_ACTIVE	12
-#define BTUSB_TX_WAIT_VND_EVT	13
-#define BTUSB_WAKEUP_DISABLE	14
-
-struct btusb_data {
-	struct hci_dev       *hdev;
-	struct usb_device    *udev;
-	struct usb_interface *intf;
-	struct usb_interface *isoc;
-	struct usb_interface *diag;
-	unsigned isoc_ifnum;
-
-	unsigned long flags;
-
-	struct work_struct work;
-	struct work_struct waker;
-
-	struct usb_anchor deferred;
-	struct usb_anchor tx_anchor;
-	int tx_in_flight;
-	spinlock_t txlock;
-
-	struct usb_anchor intr_anchor;
-	struct usb_anchor bulk_anchor;
-	struct usb_anchor isoc_anchor;
-	struct usb_anchor diag_anchor;
-	struct usb_anchor ctrl_anchor;
-	spinlock_t rxlock;
-
-	struct sk_buff *evt_skb;
-	struct sk_buff *acl_skb;
-	struct sk_buff *sco_skb;
-
-	struct usb_endpoint_descriptor *intr_ep;
-	struct usb_endpoint_descriptor *bulk_tx_ep;
-	struct usb_endpoint_descriptor *bulk_rx_ep;
-	struct usb_endpoint_descriptor *isoc_tx_ep;
-	struct usb_endpoint_descriptor *isoc_rx_ep;
-	struct usb_endpoint_descriptor *diag_tx_ep;
-	struct usb_endpoint_descriptor *diag_rx_ep;
-
-	struct gpio_desc *reset_gpio;
-
-	__u8 cmdreq_type;
-	__u8 cmdreq;
-
-	unsigned int sco_num;
-	int isoc_altsetting;
-	int suspend_count;
-
-	int (*recv_event)(struct hci_dev *hdev, struct sk_buff *skb);
-	int (*recv_bulk)(struct btusb_data *data, void *buffer, int count);
-
-	int (*setup_on_usb)(struct hci_dev *hdev);
-
-	int oob_wake_irq;   /* irq for out-of-band wake-on-bt */
-	unsigned cmd_timeout_cnt;
-};
-
-
-static void btusb_intel_cmd_timeout(struct hci_dev *hdev)
-{
-	struct btusb_data *data = hci_get_drvdata(hdev);
-	struct gpio_desc *reset_gpio = data->reset_gpio;
-
-	if (++data->cmd_timeout_cnt < 5)
-		return;
-
-	if (!reset_gpio) {
-		bt_dev_err(hdev, "No way to reset. Ignoring and continuing");
-		return;
-	}
-
-	/*
-	 * Toggle the hard reset line if the platform provides one. The reset
-	 * is going to yank the device off the USB and then replug. So doing
-	 * once is enough. The cleanup is handled correctly on the way out
-	 * (standard USB disconnect), and the new device is detected cleanly
-	 * and bound to the driver again like it should be.
-	 */
-	if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) {
-		bt_dev_err(hdev, "last reset failed? Not resetting again");
-		return;
-	}
-
-	bt_dev_err(hdev, "Initiating HW reset via gpio");
-	gpiod_set_value_cansleep(reset_gpio, 1);
-	msleep(100);
-	gpiod_set_value_cansleep(reset_gpio, 0);
-}
-
-static void btusb_rtl_cmd_timeout(struct hci_dev *hdev)
-{
-	struct btusb_data *data = hci_get_drvdata(hdev);
-	struct gpio_desc *reset_gpio = data->reset_gpio;
-
-	if (++data->cmd_timeout_cnt < 5)
-		return;
-
-	if (!reset_gpio) {
-		bt_dev_err(hdev, "No gpio to reset Realtek device, ignoring");
-		return;
-	}
-
-	/* Toggle the hard reset line. The Realtek device is going to
-	 * yank itself off the USB and then replug. The cleanup is handled
-	 * correctly on the way out (standard USB disconnect), and the new
-	 * device is detected cleanly and bound to the driver again like
-	 * it should be.
-	 */
-	if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) {
-		bt_dev_err(hdev, "last reset failed? Not resetting again");
-		return;
-	}
-
-	bt_dev_err(hdev, "Reset Realtek device via gpio");
-	gpiod_set_value_cansleep(reset_gpio, 1);
-	msleep(200);
-	gpiod_set_value_cansleep(reset_gpio, 0);
-}
-
-static inline void btusb_free_frags(struct btusb_data *data)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&data->rxlock, flags);
-
-	kfree_skb(data->evt_skb);
-	data->evt_skb = NULL;
-
-	kfree_skb(data->acl_skb);
-	data->acl_skb = NULL;
-
-	kfree_skb(data->sco_skb);
-	data->sco_skb = NULL;
-
-	spin_unlock_irqrestore(&data->rxlock, flags);
-}
-
-static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count)
-{
-	struct sk_buff *skb;
-	unsigned long flags;
-	int err = 0;
-
-	spin_lock_irqsave(&data->rxlock, flags);
-	skb = data->evt_skb;
-
-	while (count) {
-		int len;
-
-		if (!skb) {
-			skb = bt_skb_alloc(HCI_MAX_EVENT_SIZE, GFP_ATOMIC);
-			if (!skb) {
-				err = -ENOMEM;
-				break;
-			}
-
-			hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
-			hci_skb_expect(skb) = HCI_EVENT_HDR_SIZE;
-		}
-
-		len = min_t(uint, hci_skb_expect(skb), count);
-		skb_put_data(skb, buffer, len);
-
-		count -= len;
-		buffer += len;
-		hci_skb_expect(skb) -= len;
-
-		if (skb->len == HCI_EVENT_HDR_SIZE) {
-			/* Complete event header */
-			hci_skb_expect(skb) = hci_event_hdr(skb)->plen;
-
-			if (skb_tailroom(skb) < hci_skb_expect(skb)) {
-				kfree_skb(skb);
-				skb = NULL;
-
-				err = -EILSEQ;
-				break;
-			}
-		}
-
-		if (!hci_skb_expect(skb)) {
-			/* Complete frame */
-			data->recv_event(data->hdev, skb);
-			skb = NULL;
-		}
-	}
-
-	data->evt_skb = skb;
-	spin_unlock_irqrestore(&data->rxlock, flags);
-
-	return err;
-}
-
-static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count)
-{
-	struct sk_buff *skb;
-	unsigned long flags;
-	int err = 0;
-
-	spin_lock_irqsave(&data->rxlock, flags);
-	skb = data->acl_skb;
-
-	while (count) {
-		int len;
-
-		if (!skb) {
-			skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC);
-			if (!skb) {
-				err = -ENOMEM;
-				break;
-			}
-
-			hci_skb_pkt_type(skb) = HCI_ACLDATA_PKT;
-			hci_skb_expect(skb) = HCI_ACL_HDR_SIZE;
-		}
-
-		len = min_t(uint, hci_skb_expect(skb), count);
-		skb_put_data(skb, buffer, len);
-
-		count -= len;
-		buffer += len;
-		hci_skb_expect(skb) -= len;
-
-		if (skb->len == HCI_ACL_HDR_SIZE) {
-			__le16 dlen = hci_acl_hdr(skb)->dlen;
-
-			/* Complete ACL header */
-			hci_skb_expect(skb) = __le16_to_cpu(dlen);
-
-			if (skb_tailroom(skb) < hci_skb_expect(skb)) {
-				kfree_skb(skb);
-				skb = NULL;
-
-				err = -EILSEQ;
-				break;
-			}
-		}
-
-		if (!hci_skb_expect(skb)) {
-			/* Complete frame */
-			hci_recv_frame(data->hdev, skb);
-			skb = NULL;
-		}
-	}
-
-	data->acl_skb = skb;
-	spin_unlock_irqrestore(&data->rxlock, flags);
-
-	return err;
-}
-
-static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count)
-{
-	struct sk_buff *skb;
-	unsigned long flags;
-	int err = 0;
-
-	spin_lock_irqsave(&data->rxlock, flags);
-	skb = data->sco_skb;
-
-	while (count) {
-		int len;
-
-		if (!skb) {
-			skb = bt_skb_alloc(HCI_MAX_SCO_SIZE, GFP_ATOMIC);
-			if (!skb) {
-				err = -ENOMEM;
-				break;
-			}
-
-			hci_skb_pkt_type(skb) = HCI_SCODATA_PKT;
-			hci_skb_expect(skb) = HCI_SCO_HDR_SIZE;
-		}
-
-		len = min_t(uint, hci_skb_expect(skb), count);
-		skb_put_data(skb, buffer, len);
-
-		count -= len;
-		buffer += len;
-		hci_skb_expect(skb) -= len;
-
-		if (skb->len == HCI_SCO_HDR_SIZE) {
-			/* Complete SCO header */
-			hci_skb_expect(skb) = hci_sco_hdr(skb)->dlen;
-
-			if (skb_tailroom(skb) < hci_skb_expect(skb)) {
-				kfree_skb(skb);
-				skb = NULL;
-
-				err = -EILSEQ;
-				break;
-			}
-		}
-
-		if (!hci_skb_expect(skb)) {
-			/* Complete frame */
-			hci_recv_frame(data->hdev, skb);
-			skb = NULL;
-		}
-	}
-
-	data->sco_skb = skb;
-	spin_unlock_irqrestore(&data->rxlock, flags);
-
-	return err;
-}
-
-static void btusb_intr_complete(struct urb *urb)
-{
-	struct hci_dev *hdev = urb->context;
-	struct btusb_data *data = hci_get_drvdata(hdev);
-	int err;
-
-	BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
-	       urb->actual_length);
-
-	if (!test_bit(HCI_RUNNING, &hdev->flags))
-		return;
-
-	if (urb->status == 0) {
-		hdev->stat.byte_rx += urb->actual_length;
-
-		if (btusb_recv_intr(data, urb->transfer_buffer,
-				    urb->actual_length) < 0) {
-			bt_dev_err(hdev, "corrupted event packet");
-			hdev->stat.err_rx++;
-		}
-	} else if (urb->status == -ENOENT) {
-		/* Avoid suspend failed when usb_kill_urb */
-		return;
-	}
-
-	if (!test_bit(BTUSB_INTR_RUNNING, &data->flags))
-		return;
-
-	usb_mark_last_busy(data->udev);
-	usb_anchor_urb(urb, &data->intr_anchor);
-
-	err = usb_submit_urb(urb, GFP_ATOMIC);
-	if (err < 0) {
-		/* -EPERM: urb is being killed;
-		 * -ENODEV: device got disconnected
-		 */
-		if (err != -EPERM && err != -ENODEV)
-			bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
-				   urb, -err);
-		usb_unanchor_urb(urb);
-	}
-}
-
-static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags)
-{
-	struct btusb_data *data = hci_get_drvdata(hdev);
-	struct urb *urb;
-	unsigned char *buf;
-	unsigned int pipe;
-	int err, size;
-
-	BT_DBG("%s", hdev->name);
-
-	if (!data->intr_ep)
-		return -ENODEV;
-
-	urb = usb_alloc_urb(0, mem_flags);
-	if (!urb)
-		return -ENOMEM;
-
-	size = le16_to_cpu(data->intr_ep->wMaxPacketSize);
-
-	buf = kmalloc(size, mem_flags);
-	if (!buf) {
-		usb_free_urb(urb);
-		return -ENOMEM;
-	}
-
-	pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress);
-
-	usb_fill_int_urb(urb, data->udev, pipe, buf, size,
-			 btusb_intr_complete, hdev, data->intr_ep->bInterval);
-
-	urb->transfer_flags |= URB_FREE_BUFFER;
-
-	usb_anchor_urb(urb, &data->intr_anchor);
-
-	err = usb_submit_urb(urb, mem_flags);
-	if (err < 0) {
-		if (err != -EPERM && err != -ENODEV)
-			bt_dev_err(hdev, "urb %p submission failed (%d)",
-				   urb, -err);
-		usb_unanchor_urb(urb);
-	}
-
-	usb_free_urb(urb);
-
-	return err;
-}
-
-static void btusb_bulk_complete(struct urb *urb)
-{
-	struct hci_dev *hdev = urb->context;
-	struct btusb_data *data = hci_get_drvdata(hdev);
-	int err;
-
-	BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
-	       urb->actual_length);
-
-	if (!test_bit(HCI_RUNNING, &hdev->flags))
-		return;
-
-	if (urb->status == 0) {
-		hdev->stat.byte_rx += urb->actual_length;
-
-		if (data->recv_bulk(data, urb->transfer_buffer,
-				    urb->actual_length) < 0) {
-			bt_dev_err(hdev, "corrupted ACL packet");
-			hdev->stat.err_rx++;
-		}
-	} else if (urb->status == -ENOENT) {
-		/* Avoid suspend failed when usb_kill_urb */
-		return;
-	}
-
-	if (!test_bit(BTUSB_BULK_RUNNING, &data->flags))
-		return;
-
-	usb_anchor_urb(urb, &data->bulk_anchor);
-	usb_mark_last_busy(data->udev);
-
-	err = usb_submit_urb(urb, GFP_ATOMIC);
-	if (err < 0) {
-		/* -EPERM: urb is being killed;
-		 * -ENODEV: device got disconnected
-		 */
-		if (err != -EPERM && err != -ENODEV)
-			bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
-				   urb, -err);
-		usb_unanchor_urb(urb);
-	}
-}
-
-static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags)
-{
-	struct btusb_data *data = hci_get_drvdata(hdev);
-	struct urb *urb;
-	unsigned char *buf;
-	unsigned int pipe;
-	int err, size = HCI_MAX_FRAME_SIZE;
-
-	BT_DBG("%s", hdev->name);
-
-	if (!data->bulk_rx_ep)
-		return -ENODEV;
-
-	urb = usb_alloc_urb(0, mem_flags);
-	if (!urb)
-		return -ENOMEM;
-
-	buf = kmalloc(size, mem_flags);
-	if (!buf) {
-		usb_free_urb(urb);
-		return -ENOMEM;
-	}
-
-	pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress);
-
-	usb_fill_bulk_urb(urb, data->udev, pipe, buf, size,
-			  btusb_bulk_complete, hdev);
-
-	urb->transfer_flags |= URB_FREE_BUFFER;
-
-	usb_mark_last_busy(data->udev);
-	usb_anchor_urb(urb, &data->bulk_anchor);
-
-	err = usb_submit_urb(urb, mem_flags);
-	if (err < 0) {
-		if (err != -EPERM && err != -ENODEV)
-			bt_dev_err(hdev, "urb %p submission failed (%d)",
-				   urb, -err);
-		usb_unanchor_urb(urb);
-	}
-
-	usb_free_urb(urb);
-
-	return err;
-}
-
-static void btusb_isoc_complete(struct urb *urb)
-{
-	struct hci_dev *hdev = urb->context;
-	struct btusb_data *data = hci_get_drvdata(hdev);
-	int i, err;
-
-	BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
-	       urb->actual_length);
-
-	if (!test_bit(HCI_RUNNING, &hdev->flags))
-		return;
-
-	if (urb->status == 0) {
-		for (i = 0; i < urb->number_of_packets; i++) {
-			unsigned int offset = urb->iso_frame_desc[i].offset;
-			unsigned int length = urb->iso_frame_desc[i].actual_length;
-
-			if (urb->iso_frame_desc[i].status)
-				continue;
-
-			hdev->stat.byte_rx += length;
-
-			if (btusb_recv_isoc(data, urb->transfer_buffer + offset,
-					    length) < 0) {
-				bt_dev_err(hdev, "corrupted SCO packet");
-				hdev->stat.err_rx++;
-			}
-		}
-	} else if (urb->status == -ENOENT) {
-		/* Avoid suspend failed when usb_kill_urb */
-		return;
-	}
-
-	if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags))
-		return;
-
-	usb_anchor_urb(urb, &data->isoc_anchor);
-
-	err = usb_submit_urb(urb, GFP_ATOMIC);
-	if (err < 0) {
-		/* -EPERM: urb is being killed;
-		 * -ENODEV: device got disconnected
-		 */
-		if (err != -EPERM && err != -ENODEV)
-			bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
-				   urb, -err);
-		usb_unanchor_urb(urb);
-	}
-}
-
-static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu)
-{
-	int i, offset = 0;
-
-	BT_DBG("len %d mtu %d", len, mtu);
-
-	for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu;
-					i++, offset += mtu, len -= mtu) {
-		urb->iso_frame_desc[i].offset = offset;
-		urb->iso_frame_desc[i].length = mtu;
-	}
-
-	if (len && i < BTUSB_MAX_ISOC_FRAMES) {
-		urb->iso_frame_desc[i].offset = offset;
-		urb->iso_frame_desc[i].length = len;
-		i++;
-	}
-
-	urb->number_of_packets = i;
-}
-
-static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags)
-{
-	struct btusb_data *data = hci_get_drvdata(hdev);
-	struct urb *urb;
-	unsigned char *buf;
-	unsigned int pipe;
-	int err, size;
-
-	BT_DBG("%s", hdev->name);
-
-	if (!data->isoc_rx_ep)
-		return -ENODEV;
-
-	urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags);
-	if (!urb)
-		return -ENOMEM;
-
-	size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) *
-						BTUSB_MAX_ISOC_FRAMES;
-
-	buf = kmalloc(size, mem_flags);
-	if (!buf) {
-		usb_free_urb(urb);
-		return -ENOMEM;
-	}
-
-	pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress);
-
-	usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete,
-			 hdev, data->isoc_rx_ep->bInterval);
-
-	urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP;
-
-	__fill_isoc_descriptor(urb, size,
-			       le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize));
-
-	usb_anchor_urb(urb, &data->isoc_anchor);
-
-	err = usb_submit_urb(urb, mem_flags);
-	if (err < 0) {
-		if (err != -EPERM && err != -ENODEV)
-			bt_dev_err(hdev, "urb %p submission failed (%d)",
-				   urb, -err);
-		usb_unanchor_urb(urb);
-	}
-
-	usb_free_urb(urb);
-
-	return err;
-}
-
-static void btusb_diag_complete(struct urb *urb)
-{
-	struct hci_dev *hdev = urb->context;
-	struct btusb_data *data = hci_get_drvdata(hdev);
-	int err;
-
-	BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
-	       urb->actual_length);
-
-	if (urb->status == 0) {
-		struct sk_buff *skb;
-
-		skb = bt_skb_alloc(urb->actual_length, GFP_ATOMIC);
-		if (skb) {
-			skb_put_data(skb, urb->transfer_buffer,
-				     urb->actual_length);
-			hci_recv_diag(hdev, skb);
-		}
-	} else if (urb->status == -ENOENT) {
-		/* Avoid suspend failed when usb_kill_urb */
-		return;
-	}
-
-	if (!test_bit(BTUSB_DIAG_RUNNING, &data->flags))
-		return;
-
-	usb_anchor_urb(urb, &data->diag_anchor);
-	usb_mark_last_busy(data->udev);
-
-	err = usb_submit_urb(urb, GFP_ATOMIC);
-	if (err < 0) {
-		/* -EPERM: urb is being killed;
-		 * -ENODEV: device got disconnected
-		 */
-		if (err != -EPERM && err != -ENODEV)
-			bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
-				   urb, -err);
-		usb_unanchor_urb(urb);
-	}
-}
-
-static int btusb_submit_diag_urb(struct hci_dev *hdev, gfp_t mem_flags)
-{
-	struct btusb_data *data = hci_get_drvdata(hdev);
-	struct urb *urb;
-	unsigned char *buf;
-	unsigned int pipe;
-	int err, size = HCI_MAX_FRAME_SIZE;
-
-	BT_DBG("%s", hdev->name);
-
-	if (!data->diag_rx_ep)
-		return -ENODEV;
-
-	urb = usb_alloc_urb(0, mem_flags);
-	if (!urb)
-		return -ENOMEM;
-
-	buf = kmalloc(size, mem_flags);
-	if (!buf) {
-		usb_free_urb(urb);
-		return -ENOMEM;
-	}
-
-	pipe = usb_rcvbulkpipe(data->udev, data->diag_rx_ep->bEndpointAddress);
-
-	usb_fill_bulk_urb(urb, data->udev, pipe, buf, size,
-			  btusb_diag_complete, hdev);
-
-	urb->transfer_flags |= URB_FREE_BUFFER;
-
-	usb_mark_last_busy(data->udev);
-	usb_anchor_urb(urb, &data->diag_anchor);
-
-	err = usb_submit_urb(urb, mem_flags);
-	if (err < 0) {
-		if (err != -EPERM && err != -ENODEV)
-			bt_dev_err(hdev, "urb %p submission failed (%d)",
-				   urb, -err);
-		usb_unanchor_urb(urb);
-	}
-
-	usb_free_urb(urb);
-
-	return err;
-}
-
-static void btusb_tx_complete(struct urb *urb)
-{
-	struct sk_buff *skb = urb->context;
-	struct hci_dev *hdev = (struct hci_dev *)skb->dev;
-	struct btusb_data *data = hci_get_drvdata(hdev);
-	unsigned long flags;
-
-	BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
-	       urb->actual_length);
-
-	if (!test_bit(HCI_RUNNING, &hdev->flags))
-		goto done;
-
-	if (!urb->status)
-		hdev->stat.byte_tx += urb->transfer_buffer_length;
-	else
-		hdev->stat.err_tx++;
-
-done:
-	spin_lock_irqsave(&data->txlock, flags);
-	data->tx_in_flight--;
-	spin_unlock_irqrestore(&data->txlock, flags);
-
-	kfree(urb->setup_packet);
-
-	kfree_skb(skb);
-}
-
-static void btusb_isoc_tx_complete(struct urb *urb)
-{
-	struct sk_buff *skb = urb->context;
-	struct hci_dev *hdev = (struct hci_dev *)skb->dev;
-
-	BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
-	       urb->actual_length);
-
-	if (!test_bit(HCI_RUNNING, &hdev->flags))
-		goto done;
-
-	if (!urb->status)
-		hdev->stat.byte_tx += urb->transfer_buffer_length;
-	else
-		hdev->stat.err_tx++;
-
-done:
-	kfree(urb->setup_packet);
-
-	kfree_skb(skb);
-}
-
-static int btusb_open(struct hci_dev *hdev)
-{
-	struct btusb_data *data = hci_get_drvdata(hdev);
-	int err;
-
-	BT_DBG("%s", hdev->name);
-
-	err = usb_autopm_get_interface(data->intf);
-	if (err < 0)
-		return err;
-
-	/* Patching USB firmware files prior to starting any URBs of HCI path
-	 * It is more safe to use USB bulk channel for downloading USB patch
-	 */
-	if (data->setup_on_usb) {
-		err = data->setup_on_usb(hdev);
-		if (err < 0)
-			goto setup_fail;
-	}
-
-	data->intf->needs_remote_wakeup = 1;
-
-	/* Disable device remote wakeup when host is suspended
-	 * For Realtek chips, global suspend without
-	 * SET_FEATURE (DEVICE_REMOTE_WAKEUP) can save more power in device.
-	 */
-	if (test_bit(BTUSB_WAKEUP_DISABLE, &data->flags))
-		device_wakeup_disable(&data->udev->dev);
-
-	if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags))
-		goto done;
-
-	err = btusb_submit_intr_urb(hdev, GFP_KERNEL);
-	if (err < 0)
-		goto failed;
-
-	err = btusb_submit_bulk_urb(hdev, GFP_KERNEL);
-	if (err < 0) {
-		usb_kill_anchored_urbs(&data->intr_anchor);
-		goto failed;
-	}
-
-	set_bit(BTUSB_BULK_RUNNING, &data->flags);
-	btusb_submit_bulk_urb(hdev, GFP_KERNEL);
-
-	if (data->diag) {
-		if (!btusb_submit_diag_urb(hdev, GFP_KERNEL))
-			set_bit(BTUSB_DIAG_RUNNING, &data->flags);
-	}
-
-done:
-	usb_autopm_put_interface(data->intf);
-	return 0;
-
-failed:
-	clear_bit(BTUSB_INTR_RUNNING, &data->flags);
-setup_fail:
-	usb_autopm_put_interface(data->intf);
-	return err;
-}
-
-static void btusb_stop_traffic(struct btusb_data *data)
-{
-	usb_kill_anchored_urbs(&data->intr_anchor);
-	usb_kill_anchored_urbs(&data->bulk_anchor);
-	usb_kill_anchored_urbs(&data->isoc_anchor);
-	usb_kill_anchored_urbs(&data->diag_anchor);
-	usb_kill_anchored_urbs(&data->ctrl_anchor);
-}
-
-static int btusb_close(struct hci_dev *hdev)
-{
-	struct btusb_data *data = hci_get_drvdata(hdev);
-	int err;
-
-	BT_DBG("%s", hdev->name);
-
-	cancel_work_sync(&data->work);
-	cancel_work_sync(&data->waker);
-
-	clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
-	clear_bit(BTUSB_BULK_RUNNING, &data->flags);
-	clear_bit(BTUSB_INTR_RUNNING, &data->flags);
-	clear_bit(BTUSB_DIAG_RUNNING, &data->flags);
-
-	btusb_stop_traffic(data);
-	btusb_free_frags(data);
-
-	err = usb_autopm_get_interface(data->intf);
-	if (err < 0)
-		goto failed;
-
-	data->intf->needs_remote_wakeup = 0;
-
-	/* Enable remote wake up for auto-suspend */
-	if (test_bit(BTUSB_WAKEUP_DISABLE, &data->flags))
-		data->intf->needs_remote_wakeup = 1;
-
-	usb_autopm_put_interface(data->intf);
-
-failed:
-	usb_scuttle_anchored_urbs(&data->deferred);
-	return 0;
-}
-
-static int btusb_flush(struct hci_dev *hdev)
-{
-	struct btusb_data *data = hci_get_drvdata(hdev);
-
-	BT_DBG("%s", hdev->name);
-
-	usb_kill_anchored_urbs(&data->tx_anchor);
-	btusb_free_frags(data);
-
-	return 0;
-}
-
-static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb)
-{
-	struct btusb_data *data = hci_get_drvdata(hdev);
-	struct usb_ctrlrequest *dr;
-	struct urb *urb;
-	unsigned int pipe;
-
-	urb = usb_alloc_urb(0, GFP_KERNEL);
-	if (!urb)
-		return ERR_PTR(-ENOMEM);
-
-	dr = kmalloc(sizeof(*dr), GFP_KERNEL);
-	if (!dr) {
-		usb_free_urb(urb);
-		return ERR_PTR(-ENOMEM);
-	}
-
-	dr->bRequestType = data->cmdreq_type;
-	dr->bRequest     = data->cmdreq;
-	dr->wIndex       = 0;
-	dr->wValue       = 0;
-	dr->wLength      = __cpu_to_le16(skb->len);
-
-	pipe = usb_sndctrlpipe(data->udev, 0x00);
-
-	usb_fill_control_urb(urb, data->udev, pipe, (void *)dr,
-			     skb->data, skb->len, btusb_tx_complete, skb);
-
-	skb->dev = (void *)hdev;
-
-	return urb;
-}
-
-static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb)
-{
-	struct btusb_data *data = hci_get_drvdata(hdev);
-	struct urb *urb;
-	unsigned int pipe;
-
-	if (!data->bulk_tx_ep)
-		return ERR_PTR(-ENODEV);
-
-	urb = usb_alloc_urb(0, GFP_KERNEL);
-	if (!urb)
-		return ERR_PTR(-ENOMEM);
-
-	pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress);
-
-	usb_fill_bulk_urb(urb, data->udev, pipe,
-			  skb->data, skb->len, btusb_tx_complete, skb);
-
-	skb->dev = (void *)hdev;
-
-	return urb;
-}
-
-static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb)
-{
-	struct btusb_data *data = hci_get_drvdata(hdev);
-	struct urb *urb;
-	unsigned int pipe;
-
-	if (!data->isoc_tx_ep)
-		return ERR_PTR(-ENODEV);
-
-	urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL);
-	if (!urb)
-		return ERR_PTR(-ENOMEM);
-
-	pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress);
-
-	usb_fill_int_urb(urb, data->udev, pipe,
-			 skb->data, skb->len, btusb_isoc_tx_complete,
-			 skb, data->isoc_tx_ep->bInterval);
-
-	urb->transfer_flags  = URB_ISO_ASAP;
-
-	__fill_isoc_descriptor(urb, skb->len,
-			       le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
-
-	skb->dev = (void *)hdev;
-
-	return urb;
-}
-
-static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb)
-{
-	struct btusb_data *data = hci_get_drvdata(hdev);
-	int err;
-
-	usb_anchor_urb(urb, &data->tx_anchor);
-
-	err = usb_submit_urb(urb, GFP_KERNEL);
-	if (err < 0) {
-		if (err != -EPERM && err != -ENODEV)
-			bt_dev_err(hdev, "urb %p submission failed (%d)",
-				   urb, -err);
-		kfree(urb->setup_packet);
-		usb_unanchor_urb(urb);
-	} else {
-		usb_mark_last_busy(data->udev);
-	}
-
-	usb_free_urb(urb);
-	return err;
-}
-
-static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb)
-{
-	struct btusb_data *data = hci_get_drvdata(hdev);
-	unsigned long flags;
-	bool suspending;
-
-	spin_lock_irqsave(&data->txlock, flags);
-	suspending = test_bit(BTUSB_SUSPENDING, &data->flags);
-	if (!suspending)
-		data->tx_in_flight++;
-	spin_unlock_irqrestore(&data->txlock, flags);
-
-	if (!suspending)
-		return submit_tx_urb(hdev, urb);
-
-	usb_anchor_urb(urb, &data->deferred);
-	schedule_work(&data->waker);
-
-	usb_free_urb(urb);
-	return 0;
-}
-
-static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
-{
-	struct urb *urb;
-
-	BT_DBG("%s", hdev->name);
-
-	switch (hci_skb_pkt_type(skb)) {
-	case HCI_COMMAND_PKT:
-		urb = alloc_ctrl_urb(hdev, skb);
-		if (IS_ERR(urb))
-			return PTR_ERR(urb);
-
-		hdev->stat.cmd_tx++;
-		return submit_or_queue_tx_urb(hdev, urb);
-
-	case HCI_ACLDATA_PKT:
-		urb = alloc_bulk_urb(hdev, skb);
-		if (IS_ERR(urb))
-			return PTR_ERR(urb);
-
-		hdev->stat.acl_tx++;
-		return submit_or_queue_tx_urb(hdev, urb);
-
-	case HCI_SCODATA_PKT:
-		if (hci_conn_num(hdev, SCO_LINK) < 1)
-			return -ENODEV;
-
-		urb = alloc_isoc_urb(hdev, skb);
-		if (IS_ERR(urb))
-			return PTR_ERR(urb);
-
-		hdev->stat.sco_tx++;
-		return submit_tx_urb(hdev, urb);
-	}
-
-	return -EILSEQ;
-}
-
-static void btusb_notify(struct hci_dev *hdev, unsigned int evt)
-{
-	struct btusb_data *data = hci_get_drvdata(hdev);
-
-	BT_DBG("%s evt %d", hdev->name, evt);
-
-	if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) {
-		data->sco_num = hci_conn_num(hdev, SCO_LINK);
-		schedule_work(&data->work);
-	}
-}
-
-static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting)
-{
-	struct btusb_data *data = hci_get_drvdata(hdev);
-	struct usb_interface *intf = data->isoc;
-	struct usb_endpoint_descriptor *ep_desc;
-	int i, err;
-
-	if (!data->isoc)
-		return -ENODEV;
-
-	err = usb_set_interface(data->udev, data->isoc_ifnum, altsetting);
-	if (err < 0) {
-		bt_dev_err(hdev, "setting interface failed (%d)", -err);
-		return err;
-	}
-
-	data->isoc_altsetting = altsetting;
-
-	data->isoc_tx_ep = NULL;
-	data->isoc_rx_ep = NULL;
-
-	for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
-		ep_desc = &intf->cur_altsetting->endpoint[i].desc;
-
-		if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) {
-			data->isoc_tx_ep = ep_desc;
-			continue;
-		}
-
-		if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) {
-			data->isoc_rx_ep = ep_desc;
-			continue;
-		}
-	}
-
-	if (!data->isoc_tx_ep || !data->isoc_rx_ep) {
-		bt_dev_err(hdev, "invalid SCO descriptors");
-		return -ENODEV;
-	}
-
-	return 0;
-}
-
-static void btusb_work(struct work_struct *work)
-{
-	struct btusb_data *data = container_of(work, struct btusb_data, work);
-	struct hci_dev *hdev = data->hdev;
-	int new_alts;
-	int err;
-
-	if (data->sco_num > 0) {
-		if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) {
-			err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf);
-			if (err < 0) {
-				clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
-				usb_kill_anchored_urbs(&data->isoc_anchor);
-				return;
-			}
-
-			set_bit(BTUSB_DID_ISO_RESUME, &data->flags);
-		}
-
-		if (hdev->voice_setting & 0x0020) {
-			static const int alts[3] = { 2, 4, 5 };
-
-			new_alts = alts[data->sco_num - 1];
-		} else {
-			new_alts = data->sco_num;
-		}
-
-		if (data->isoc_altsetting != new_alts) {
-			unsigned long flags;
-
-			clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
-			usb_kill_anchored_urbs(&data->isoc_anchor);
-
-			/* When isochronous alternate setting needs to be
-			 * changed, because SCO connection has been added
-			 * or removed, a packet fragment may be left in the
-			 * reassembling state. This could lead to wrongly
-			 * assembled fragments.
-			 *
-			 * Clear outstanding fragment when selecting a new
-			 * alternate setting.
-			 */
-			spin_lock_irqsave(&data->rxlock, flags);
-			kfree_skb(data->sco_skb);
-			data->sco_skb = NULL;
-			spin_unlock_irqrestore(&data->rxlock, flags);
-
-			if (__set_isoc_interface(hdev, new_alts) < 0)
-				return;
-		}
-
-		if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
-			if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0)
-				clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
-			else
-				btusb_submit_isoc_urb(hdev, GFP_KERNEL);
-		}
-	} else {
-		clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
-		usb_kill_anchored_urbs(&data->isoc_anchor);
-
-		__set_isoc_interface(hdev, 0);
-		if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags))
-			usb_autopm_put_interface(data->isoc ? data->isoc : data->intf);
-	}
-}
-
-static void btusb_waker(struct work_struct *work)
-{
-	struct btusb_data *data = container_of(work, struct btusb_data, waker);
-	int err;
-
-	err = usb_autopm_get_interface(data->intf);
-	if (err < 0)
-		return;
-
-	usb_autopm_put_interface(data->intf);
-}
-
-static int btusb_setup_bcm92035(struct hci_dev *hdev)
-{
-	struct sk_buff *skb;
-	u8 val = 0x00;
-
-	BT_DBG("%s", hdev->name);
-
-	skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT);
-	if (IS_ERR(skb))
-		bt_dev_err(hdev, "BCM92035 command failed (%ld)", PTR_ERR(skb));
-	else
-		kfree_skb(skb);
-
-	return 0;
-}
-
-static int btusb_setup_csr(struct hci_dev *hdev)
-{
-	struct hci_rp_read_local_version *rp;
-	struct sk_buff *skb;
-
-	BT_DBG("%s", hdev->name);
-
-	skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL,
-			     HCI_INIT_TIMEOUT);
-	if (IS_ERR(skb)) {
-		int err = PTR_ERR(skb);
-		bt_dev_err(hdev, "CSR: Local version failed (%d)", err);
-		return err;
-	}
-
-	if (skb->len != sizeof(struct hci_rp_read_local_version)) {
-		bt_dev_err(hdev, "CSR: Local version length mismatch");
-		kfree_skb(skb);
-		return -EIO;
-	}
-
-	rp = (struct hci_rp_read_local_version *)skb->data;
-
-	/* Detect controllers which aren't real CSR ones. */
-	if (le16_to_cpu(rp->manufacturer) != 10 ||
-	    le16_to_cpu(rp->lmp_subver) == 0x0c5c) {
-		/* Clear the reset quirk since this is not an actual
-		 * early Bluetooth 1.1 device from CSR.
-		 */
-		clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
-
-		/* These fake CSR controllers have all a broken
-		 * stored link key handling and so just disable it.
-		 */
-		set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
-	}
-
-	kfree_skb(skb);
-
-	return 0;
-}
-
-static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev,
-						       struct intel_version *ver)
-{
-	const struct firmware *fw;
-	char fwname[64];
-	int ret;
-
-	snprintf(fwname, sizeof(fwname),
-		 "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq",
-		 ver->hw_platform, ver->hw_variant, ver->hw_revision,
-		 ver->fw_variant,  ver->fw_revision, ver->fw_build_num,
-		 ver->fw_build_ww, ver->fw_build_yy);
-
-	ret = request_firmware(&fw, fwname, &hdev->dev);
-	if (ret < 0) {
-		if (ret == -EINVAL) {
-			bt_dev_err(hdev, "Intel firmware file request failed (%d)",
-				   ret);
-			return NULL;
-		}
-
-		bt_dev_err(hdev, "failed to open Intel firmware file: %s (%d)",
-			   fwname, ret);
-
-		/* If the correct firmware patch file is not found, use the
-		 * default firmware patch file instead
-		 */
-		snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq",
-			 ver->hw_platform, ver->hw_variant);
-		if (request_firmware(&fw, fwname, &hdev->dev) < 0) {
-			bt_dev_err(hdev, "failed to open default fw file: %s",
-				   fwname);
-			return NULL;
-		}
-	}
-
-	bt_dev_info(hdev, "Intel Bluetooth firmware file: %s", fwname);
-
-	return fw;
-}
-
-static int btusb_setup_intel_patching(struct hci_dev *hdev,
-				      const struct firmware *fw,
-				      const u8 **fw_ptr, int *disable_patch)
-{
-	struct sk_buff *skb;
-	struct hci_command_hdr *cmd;
-	const u8 *cmd_param;
-	struct hci_event_hdr *evt = NULL;
-	const u8 *evt_param = NULL;
-	int remain = fw->size - (*fw_ptr - fw->data);
-
-	/* The first byte indicates the types of the patch command or event.
-	 * 0x01 means HCI command and 0x02 is HCI event. If the first bytes
-	 * in the current firmware buffer doesn't start with 0x01 or
-	 * the size of remain buffer is smaller than HCI command header,
-	 * the firmware file is corrupted and it should stop the patching
-	 * process.
-	 */
-	if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) {
-		bt_dev_err(hdev, "Intel fw corrupted: invalid cmd read");
-		return -EINVAL;
-	}
-	(*fw_ptr)++;
-	remain--;
-
-	cmd = (struct hci_command_hdr *)(*fw_ptr);
-	*fw_ptr += sizeof(*cmd);
-	remain -= sizeof(*cmd);
-
-	/* Ensure that the remain firmware data is long enough than the length
-	 * of command parameter. If not, the firmware file is corrupted.
-	 */
-	if (remain < cmd->plen) {
-		bt_dev_err(hdev, "Intel fw corrupted: invalid cmd len");
-		return -EFAULT;
-	}
-
-	/* If there is a command that loads a patch in the firmware
-	 * file, then enable the patch upon success, otherwise just
-	 * disable the manufacturer mode, for example patch activation
-	 * is not required when the default firmware patch file is used
-	 * because there are no patch data to load.
-	 */
-	if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e)
-		*disable_patch = 0;
-
-	cmd_param = *fw_ptr;
-	*fw_ptr += cmd->plen;
-	remain -= cmd->plen;
-
-	/* This reads the expected events when the above command is sent to the
-	 * device. Some vendor commands expects more than one events, for
-	 * example command status event followed by vendor specific event.
-	 * For this case, it only keeps the last expected event. so the command
-	 * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of
-	 * last expected event.
-	 */
-	while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) {
-		(*fw_ptr)++;
-		remain--;
-
-		evt = (struct hci_event_hdr *)(*fw_ptr);
-		*fw_ptr += sizeof(*evt);
-		remain -= sizeof(*evt);
-
-		if (remain < evt->plen) {
-			bt_dev_err(hdev, "Intel fw corrupted: invalid evt len");
-			return -EFAULT;
-		}
-
-		evt_param = *fw_ptr;
-		*fw_ptr += evt->plen;
-		remain -= evt->plen;
-	}
-
-	/* Every HCI commands in the firmware file has its correspond event.
-	 * If event is not found or remain is smaller than zero, the firmware
-	 * file is corrupted.
-	 */
-	if (!evt || !evt_param || remain < 0) {
-		bt_dev_err(hdev, "Intel fw corrupted: invalid evt read");
-		return -EFAULT;
-	}
-
-	skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen,
-				cmd_param, evt->evt, HCI_INIT_TIMEOUT);
-	if (IS_ERR(skb)) {
-		bt_dev_err(hdev, "sending Intel patch command (0x%4.4x) failed (%ld)",
-			   cmd->opcode, PTR_ERR(skb));
-		return PTR_ERR(skb);
-	}
-
-	/* It ensures that the returned event matches the event data read from
-	 * the firmware file. At fist, it checks the length and then
-	 * the contents of the event.
-	 */
-	if (skb->len != evt->plen) {
-		bt_dev_err(hdev, "mismatch event length (opcode 0x%4.4x)",
-			   le16_to_cpu(cmd->opcode));
-		kfree_skb(skb);
-		return -EFAULT;
-	}
-
-	if (memcmp(skb->data, evt_param, evt->plen)) {
-		bt_dev_err(hdev, "mismatch event parameter (opcode 0x%4.4x)",
-			   le16_to_cpu(cmd->opcode));
-		kfree_skb(skb);
-		return -EFAULT;
-	}
-	kfree_skb(skb);
-
-	return 0;
-}
-
-static int btusb_setup_intel(struct hci_dev *hdev)
-{
-	struct sk_buff *skb;
-	const struct firmware *fw;
-	const u8 *fw_ptr;
-	int disable_patch, err;
-	struct intel_version ver;
-
-	BT_DBG("%s", hdev->name);
-
-	/* The controller has a bug with the first HCI command sent to it
-	 * returning number of completed commands as zero. This would stall the
-	 * command processing in the Bluetooth core.
-	 *
-	 * As a workaround, send HCI Reset command first which will reset the
-	 * number of completed commands and allow normal command processing
-	 * from now on.
-	 */
-	skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
-	if (IS_ERR(skb)) {
-		bt_dev_err(hdev, "sending initial HCI reset command failed (%ld)",
-			   PTR_ERR(skb));
-		return PTR_ERR(skb);
-	}
-	kfree_skb(skb);
-
-	/* Read Intel specific controller version first to allow selection of
-	 * which firmware file to load.
-	 *
-	 * The returned information are hardware variant and revision plus
-	 * firmware variant, revision and build number.
-	 */
-	err = btintel_read_version(hdev, &ver);
-	if (err)
-		return err;
-
-	bt_dev_info(hdev, "read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x",
-		    ver.hw_platform, ver.hw_variant, ver.hw_revision,
-		    ver.fw_variant,  ver.fw_revision, ver.fw_build_num,
-		    ver.fw_build_ww, ver.fw_build_yy, ver.fw_patch_num);
-
-	/* fw_patch_num indicates the version of patch the device currently
-	 * have. If there is no patch data in the device, it is always 0x00.
-	 * So, if it is other than 0x00, no need to patch the device again.
-	 */
-	if (ver.fw_patch_num) {
-		bt_dev_info(hdev, "Intel device is already patched. "
-			    "patch num: %02x", ver.fw_patch_num);
-		goto complete;
-	}
-
-	/* Opens the firmware patch file based on the firmware version read
-	 * from the controller. If it fails to open the matching firmware
-	 * patch file, it tries to open the default firmware patch file.
-	 * If no patch file is found, allow the device to operate without
-	 * a patch.
-	 */
-	fw = btusb_setup_intel_get_fw(hdev, &ver);
-	if (!fw)
-		goto complete;
-	fw_ptr = fw->data;
-
-	/* Enable the manufacturer mode of the controller.
-	 * Only while this mode is enabled, the driver can download the
-	 * firmware patch data and configuration parameters.
-	 */
-	err = btintel_enter_mfg(hdev);
-	if (err) {
-		release_firmware(fw);
-		return err;
-	}
-
-	disable_patch = 1;
-
-	/* The firmware data file consists of list of Intel specific HCI
-	 * commands and its expected events. The first byte indicates the
-	 * type of the message, either HCI command or HCI event.
-	 *
-	 * It reads the command and its expected event from the firmware file,
-	 * and send to the controller. Once __hci_cmd_sync_ev() returns,
-	 * the returned event is compared with the event read from the firmware
-	 * file and it will continue until all the messages are downloaded to
-	 * the controller.
-	 *
-	 * Once the firmware patching is completed successfully,
-	 * the manufacturer mode is disabled with reset and activating the
-	 * downloaded patch.
-	 *
-	 * If the firmware patching fails, the manufacturer mode is
-	 * disabled with reset and deactivating the patch.
-	 *
-	 * If the default patch file is used, no reset is done when disabling
-	 * the manufacturer.
-	 */
-	while (fw->size > fw_ptr - fw->data) {
-		int ret;
-
-		ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr,
-						 &disable_patch);
-		if (ret < 0)
-			goto exit_mfg_deactivate;
-	}
-
-	release_firmware(fw);
-
-	if (disable_patch)
-		goto exit_mfg_disable;
-
-	/* Patching completed successfully and disable the manufacturer mode
-	 * with reset and activate the downloaded firmware patches.
-	 */
-	err = btintel_exit_mfg(hdev, true, true);
-	if (err)
-		return err;
-
-	/* Need build number for downloaded fw patches in
-	 * every power-on boot
-	 */
-       err = btintel_read_version(hdev, &ver);
-       if (err)
-               return err;
-       bt_dev_info(hdev, "Intel BT fw patch 0x%02x completed & activated",
-		   ver.fw_patch_num);
-
-	goto complete;
-
-exit_mfg_disable:
-	/* Disable the manufacturer mode without reset */
-	err = btintel_exit_mfg(hdev, false, false);
-	if (err)
-		return err;
-
-	bt_dev_info(hdev, "Intel firmware patch completed");
-
-	goto complete;
-
-exit_mfg_deactivate:
-	release_firmware(fw);
-
-	/* Patching failed. Disable the manufacturer mode with reset and
-	 * deactivate the downloaded firmware patches.
-	 */
-	err = btintel_exit_mfg(hdev, true, false);
-	if (err)
-		return err;
-
-	bt_dev_info(hdev, "Intel firmware patch completed and deactivated");
-
-complete:
-	/* Set the event mask for Intel specific vendor events. This enables
-	 * a few extra events that are useful during general operation.
-	 */
-	btintel_set_event_mask_mfg(hdev, false);
-
-	btintel_check_bdaddr(hdev);
-	return 0;
-}
-
-static int inject_cmd_complete(struct hci_dev *hdev, __u16 opcode)
-{
-	struct sk_buff *skb;
-	struct hci_event_hdr *hdr;
-	struct hci_ev_cmd_complete *evt;
-
-	skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_KERNEL);
-	if (!skb)
-		return -ENOMEM;
-
-	hdr = skb_put(skb, sizeof(*hdr));
-	hdr->evt = HCI_EV_CMD_COMPLETE;
-	hdr->plen = sizeof(*evt) + 1;
-
-	evt = skb_put(skb, sizeof(*evt));
-	evt->ncmd = 0x01;
-	evt->opcode = cpu_to_le16(opcode);
-
-	skb_put_u8(skb, 0x00);
-
-	hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
-
-	return hci_recv_frame(hdev, skb);
-}
-
-static int btusb_recv_bulk_intel(struct btusb_data *data, void *buffer,
-				 int count)
-{
-	/* When the device is in bootloader mode, then it can send
-	 * events via the bulk endpoint. These events are treated the
-	 * same way as the ones received from the interrupt endpoint.
-	 */
-	if (test_bit(BTUSB_BOOTLOADER, &data->flags))
-		return btusb_recv_intr(data, buffer, count);
-
-	return btusb_recv_bulk(data, buffer, count);
-}
-
-static void btusb_intel_bootup(struct btusb_data *data, const void *ptr,
-			       unsigned int len)
-{
-	const struct intel_bootup *evt = ptr;
-
-	if (len != sizeof(*evt))
-		return;
-
-	if (test_and_clear_bit(BTUSB_BOOTING, &data->flags))
-		wake_up_bit(&data->flags, BTUSB_BOOTING);
-}
-
-static void btusb_intel_secure_send_result(struct btusb_data *data,
-					   const void *ptr, unsigned int len)
-{
-	const struct intel_secure_send_result *evt = ptr;
-
-	if (len != sizeof(*evt))
-		return;
-
-	if (evt->result)
-		set_bit(BTUSB_FIRMWARE_FAILED, &data->flags);
-
-	if (test_and_clear_bit(BTUSB_DOWNLOADING, &data->flags) &&
-	    test_bit(BTUSB_FIRMWARE_LOADED, &data->flags))
-		wake_up_bit(&data->flags, BTUSB_DOWNLOADING);
-}
-
-static int btusb_recv_event_intel(struct hci_dev *hdev, struct sk_buff *skb)
-{
-	struct btusb_data *data = hci_get_drvdata(hdev);
-
-	if (test_bit(BTUSB_BOOTLOADER, &data->flags)) {
-		struct hci_event_hdr *hdr = (void *)skb->data;
-
-		if (skb->len > HCI_EVENT_HDR_SIZE && hdr->evt == 0xff &&
-		    hdr->plen > 0) {
-			const void *ptr = skb->data + HCI_EVENT_HDR_SIZE + 1;
-			unsigned int len = skb->len - HCI_EVENT_HDR_SIZE - 1;
-
-			switch (skb->data[2]) {
-			case 0x02:
-				/* When switching to the operational firmware
-				 * the device sends a vendor specific event
-				 * indicating that the bootup completed.
-				 */
-				btusb_intel_bootup(data, ptr, len);
-				break;
-			case 0x06:
-				/* When the firmware loading completes the
-				 * device sends out a vendor specific event
-				 * indicating the result of the firmware
-				 * loading.
-				 */
-				btusb_intel_secure_send_result(data, ptr, len);
-				break;
-			}
-		}
-	}
-
-	return hci_recv_frame(hdev, skb);
-}
-
-static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb)
-{
-	struct btusb_data *data = hci_get_drvdata(hdev);
-	struct urb *urb;
-
-	BT_DBG("%s", hdev->name);
-
-	switch (hci_skb_pkt_type(skb)) {
-	case HCI_COMMAND_PKT:
-		if (test_bit(BTUSB_BOOTLOADER, &data->flags)) {
-			struct hci_command_hdr *cmd = (void *)skb->data;
-			__u16 opcode = le16_to_cpu(cmd->opcode);
-
-			/* When in bootloader mode and the command 0xfc09
-			 * is received, it needs to be send down the
-			 * bulk endpoint. So allocate a bulk URB instead.
-			 */
-			if (opcode == 0xfc09)
-				urb = alloc_bulk_urb(hdev, skb);
-			else
-				urb = alloc_ctrl_urb(hdev, skb);
-
-			/* When the 0xfc01 command is issued to boot into
-			 * the operational firmware, it will actually not
-			 * send a command complete event. To keep the flow
-			 * control working inject that event here.
-			 */
-			if (opcode == 0xfc01)
-				inject_cmd_complete(hdev, opcode);
-		} else {
-			urb = alloc_ctrl_urb(hdev, skb);
-		}
-		if (IS_ERR(urb))
-			return PTR_ERR(urb);
-
-		hdev->stat.cmd_tx++;
-		return submit_or_queue_tx_urb(hdev, urb);
-
-	case HCI_ACLDATA_PKT:
-		urb = alloc_bulk_urb(hdev, skb);
-		if (IS_ERR(urb))
-			return PTR_ERR(urb);
-
-		hdev->stat.acl_tx++;
-		return submit_or_queue_tx_urb(hdev, urb);
-
-	case HCI_SCODATA_PKT:
-		if (hci_conn_num(hdev, SCO_LINK) < 1)
-			return -ENODEV;
-
-		urb = alloc_isoc_urb(hdev, skb);
-		if (IS_ERR(urb))
-			return PTR_ERR(urb);
-
-		hdev->stat.sco_tx++;
-		return submit_tx_urb(hdev, urb);
-	}
-
-	return -EILSEQ;
-}
-
-static bool btusb_setup_intel_new_get_fw_name(struct intel_version *ver,
-					     struct intel_boot_params *params,
-					     char *fw_name, size_t len,
-					     const char *suffix)
-{
-	switch (ver->hw_variant) {
-	case 0x0b:	/* SfP */
-	case 0x0c:	/* WsP */
-		snprintf(fw_name, len, "intel/ibt-%u-%u.%s",
-			le16_to_cpu(ver->hw_variant),
-			le16_to_cpu(params->dev_revid),
-			suffix);
-		break;
-	case 0x11:	/* JfP */
-	case 0x12:	/* ThP */
-	case 0x13:	/* HrP */
-	case 0x14:	/* CcP */
-		snprintf(fw_name, len, "intel/ibt-%u-%u-%u.%s",
-			le16_to_cpu(ver->hw_variant),
-			le16_to_cpu(ver->hw_revision),
-			le16_to_cpu(ver->fw_revision),
-			suffix);
-		break;
-	default:
-		return false;
-	}
-	return true;
-}
-
-static int btusb_setup_intel_new(struct hci_dev *hdev)
-{
-	struct btusb_data *data = hci_get_drvdata(hdev);
-	struct intel_version ver;
-	struct intel_boot_params params;
-	const struct firmware *fw;
-	u32 boot_param;
-	char fwname[64];
-	ktime_t calltime, delta, rettime;
-	unsigned long long duration;
-	int err;
-
-	BT_DBG("%s", hdev->name);
-
-	/* Set the default boot parameter to 0x0 and it is updated to
-	 * SKU specific boot parameter after reading Intel_Write_Boot_Params
-	 * command while downloading the firmware.
-	 */
-	boot_param = 0x00000000;
-
-	calltime = ktime_get();
-
-	/* Read the Intel version information to determine if the device
-	 * is in bootloader mode or if it already has operational firmware
-	 * loaded.
-	 */
-	err = btintel_read_version(hdev, &ver);
-	if (err) {
-		bt_dev_err(hdev, "Intel Read version failed (%d)", err);
-		btintel_reset_to_bootloader(hdev);
-		return err;
-	}
-
-	/* The hardware platform number has a fixed value of 0x37 and
-	 * for now only accept this single value.
-	 */
-	if (ver.hw_platform != 0x37) {
-		bt_dev_err(hdev, "Unsupported Intel hardware platform (%u)",
-			   ver.hw_platform);
-		return -EINVAL;
-	}
-
-	/* Check for supported iBT hardware variants of this firmware
-	 * loading method.
-	 *
-	 * This check has been put in place to ensure correct forward
-	 * compatibility options when newer hardware variants come along.
-	 */
-	switch (ver.hw_variant) {
-	case 0x0b:	/* SfP */
-	case 0x0c:	/* WsP */
-	case 0x11:	/* JfP */
-	case 0x12:	/* ThP */
-	case 0x13:	/* HrP */
-	case 0x14:	/* CcP */
-		break;
-	default:
-		bt_dev_err(hdev, "Unsupported Intel hardware variant (%u)",
-			   ver.hw_variant);
-		return -EINVAL;
-	}
-
-	btintel_version_info(hdev, &ver);
-
-	/* The firmware variant determines if the device is in bootloader
-	 * mode or is running operational firmware. The value 0x06 identifies
-	 * the bootloader and the value 0x23 identifies the operational
-	 * firmware.
-	 *
-	 * When the operational firmware is already present, then only
-	 * the check for valid Bluetooth device address is needed. This
-	 * determines if the device will be added as configured or
-	 * unconfigured controller.
-	 *
-	 * It is not possible to use the Secure Boot Parameters in this
-	 * case since that command is only available in bootloader mode.
-	 */
-	if (ver.fw_variant == 0x23) {
-		clear_bit(BTUSB_BOOTLOADER, &data->flags);
-		btintel_check_bdaddr(hdev);
-		return 0;
-	}
-
-	/* If the device is not in bootloader mode, then the only possible
-	 * choice is to return an error and abort the device initialization.
-	 */
-	if (ver.fw_variant != 0x06) {
-		bt_dev_err(hdev, "Unsupported Intel firmware variant (%u)",
-			   ver.fw_variant);
-		return -ENODEV;
-	}
-
-	/* Read the secure boot parameters to identify the operating
-	 * details of the bootloader.
-	 */
-	err = btintel_read_boot_params(hdev, &params);
-	if (err)
-		return err;
-
-	/* It is required that every single firmware fragment is acknowledged
-	 * with a command complete event. If the boot parameters indicate
-	 * that this bootloader does not send them, then abort the setup.
-	 */
-	if (params.limited_cce != 0x00) {
-		bt_dev_err(hdev, "Unsupported Intel firmware loading method (%u)",
-			   params.limited_cce);
-		return -EINVAL;
-	}
-
-	/* If the OTP has no valid Bluetooth device address, then there will
-	 * also be no valid address for the operational firmware.
-	 */
-	if (!bacmp(&params.otp_bdaddr, BDADDR_ANY)) {
-		bt_dev_info(hdev, "No device address configured");
-		set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks);
-	}
-
-	/* With this Intel bootloader only the hardware variant and device
-	 * revision information are used to select the right firmware for SfP
-	 * and WsP.
-	 *
-	 * The firmware filename is ibt-<hw_variant>-<dev_revid>.sfi.
-	 *
-	 * Currently the supported hardware variants are:
-	 *   11 (0x0b) for iBT3.0 (LnP/SfP)
-	 *   12 (0x0c) for iBT3.5 (WsP)
-	 *
-	 * For ThP/JfP and for future SKU's, the FW name varies based on HW
-	 * variant, HW revision and FW revision, as these are dependent on CNVi
-	 * and RF Combination.
-	 *
-	 *   17 (0x11) for iBT3.5 (JfP)
-	 *   18 (0x12) for iBT3.5 (ThP)
-	 *
-	 * The firmware file name for these will be
-	 * ibt-<hw_variant>-<hw_revision>-<fw_revision>.sfi.
-	 *
-	 */
-	err = btusb_setup_intel_new_get_fw_name(&ver, &params, fwname,
-						sizeof(fwname), "sfi");
-	if (!err) {
-		bt_dev_err(hdev, "Unsupported Intel firmware naming");
-		return -EINVAL;
-	}
-
-	err = request_firmware(&fw, fwname, &hdev->dev);
-	if (err < 0) {
-		bt_dev_err(hdev, "Failed to load Intel firmware file (%d)", err);
-		return err;
-	}
-
-	bt_dev_info(hdev, "Found device firmware: %s", fwname);
-
-	/* Save the DDC file name for later use to apply once the firmware
-	 * downloading is done.
-	 */
-	err = btusb_setup_intel_new_get_fw_name(&ver, &params, fwname,
-						sizeof(fwname), "ddc");
-	if (!err) {
-		bt_dev_err(hdev, "Unsupported Intel firmware naming");
-		return -EINVAL;
-	}
-
-	if (fw->size < 644) {
-		bt_dev_err(hdev, "Invalid size of firmware file (%zu)",
-			   fw->size);
-		err = -EBADF;
-		goto done;
-	}
-
-	set_bit(BTUSB_DOWNLOADING, &data->flags);
-
-	/* Start firmware downloading and get boot parameter */
-	err = btintel_download_firmware(hdev, fw, &boot_param);
-	if (err < 0) {
-		/* When FW download fails, send Intel Reset to retry
-		 * FW download.
-		 */
-		btintel_reset_to_bootloader(hdev);
-		goto done;
-	}
-	set_bit(BTUSB_FIRMWARE_LOADED, &data->flags);
-
-	bt_dev_info(hdev, "Waiting for firmware download to complete");
-
-	/* Before switching the device into operational mode and with that
-	 * booting the loaded firmware, wait for the bootloader notification
-	 * that all fragments have been successfully received.
-	 *
-	 * When the event processing receives the notification, then the
-	 * BTUSB_DOWNLOADING flag will be cleared.
-	 *
-	 * The firmware loading should not take longer than 5 seconds
-	 * and thus just timeout if that happens and fail the setup
-	 * of this device.
-	 */
-	err = wait_on_bit_timeout(&data->flags, BTUSB_DOWNLOADING,
-				  TASK_INTERRUPTIBLE,
-				  msecs_to_jiffies(5000));
-	if (err == -EINTR) {
-		bt_dev_err(hdev, "Firmware loading interrupted");
-		goto done;
-	}
-
-	if (err) {
-		bt_dev_err(hdev, "Firmware loading timeout");
-		err = -ETIMEDOUT;
-		btintel_reset_to_bootloader(hdev);
-		goto done;
-	}
-
-	if (test_bit(BTUSB_FIRMWARE_FAILED, &data->flags)) {
-		bt_dev_err(hdev, "Firmware loading failed");
-		err = -ENOEXEC;
-		goto done;
-	}
-
-	rettime = ktime_get();
-	delta = ktime_sub(rettime, calltime);
-	duration = (unsigned long long) ktime_to_ns(delta) >> 10;
-
-	bt_dev_info(hdev, "Firmware loaded in %llu usecs", duration);
-
-done:
-	release_firmware(fw);
-
-	if (err < 0)
-		return err;
-
-	calltime = ktime_get();
-
-	set_bit(BTUSB_BOOTING, &data->flags);
-
-	err = btintel_send_intel_reset(hdev, boot_param);
-	if (err) {
-		bt_dev_err(hdev, "Intel Soft Reset failed (%d)", err);
-		btintel_reset_to_bootloader(hdev);
-		return err;
-	}
-
-	/* The bootloader will not indicate when the device is ready. This
-	 * is done by the operational firmware sending bootup notification.
-	 *
-	 * Booting into operational firmware should not take longer than
-	 * 1 second. However if that happens, then just fail the setup
-	 * since something went wrong.
-	 */
-	bt_dev_info(hdev, "Waiting for device to boot");
-
-	err = wait_on_bit_timeout(&data->flags, BTUSB_BOOTING,
-				  TASK_INTERRUPTIBLE,
-				  msecs_to_jiffies(1000));
-
-	if (err == -EINTR) {
-		bt_dev_err(hdev, "Device boot interrupted");
-		return -EINTR;
-	}
-
-	if (err) {
-		bt_dev_err(hdev, "Device boot timeout");
-		btintel_reset_to_bootloader(hdev);
-		return -ETIMEDOUT;
-	}
-
-	rettime = ktime_get();
-	delta = ktime_sub(rettime, calltime);
-	duration = (unsigned long long) ktime_to_ns(delta) >> 10;
-
-	bt_dev_info(hdev, "Device booted in %llu usecs", duration);
-
-	clear_bit(BTUSB_BOOTLOADER, &data->flags);
-
-	/* Once the device is running in operational mode, it needs to apply
-	 * the device configuration (DDC) parameters.
-	 *
-	 * The device can work without DDC parameters, so even if it fails
-	 * to load the file, no need to fail the setup.
-	 */
-	btintel_load_ddc_config(hdev, fwname);
-
-	/* Set the event mask for Intel specific vendor events. This enables
-	 * a few extra events that are useful during general operation. It
-	 * does not enable any debugging related events.
-	 *
-	 * The device will function correctly without these events enabled
-	 * and thus no need to fail the setup.
-	 */
-	btintel_set_event_mask(hdev, false);
-
-	/* Read the Intel version information after loading the FW  */
-	err = btintel_read_version(hdev, &ver);
-	if (err)
-		return err;
-
-	btintel_version_info(hdev, &ver);
-
-	return 0;
-}
-
-static int btusb_shutdown_intel(struct hci_dev *hdev)
-{
-	struct sk_buff *skb;
-	long ret;
-
-	/* In the shutdown sequence where Bluetooth is turned off followed
-	 * by WiFi being turned off, turning WiFi back on causes issue with
-	 * the RF calibration.
-	 *
-	 * To ensure that any RF activity has been stopped, issue HCI Reset
-	 * command to clear all ongoing activity including advertising,
-	 * scanning etc.
-	 */
-	skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
-	if (IS_ERR(skb)) {
-		ret = PTR_ERR(skb);
-		bt_dev_err(hdev, "HCI reset during shutdown failed");
-		return ret;
-	}
-	kfree_skb(skb);
-
-	/* Some platforms have an issue with BT LED when the interface is
-	 * down or BT radio is turned off, which takes 5 seconds to BT LED
-	 * goes off. This command turns off the BT LED immediately.
-	 */
-	skb = __hci_cmd_sync(hdev, 0xfc3f, 0, NULL, HCI_INIT_TIMEOUT);
-	if (IS_ERR(skb)) {
-		ret = PTR_ERR(skb);
-		bt_dev_err(hdev, "turning off Intel device LED failed");
-		return ret;
-	}
-	kfree_skb(skb);
-
-	return 0;
-}
-
-static int btusb_shutdown_intel_new(struct hci_dev *hdev)
-{
-	struct sk_buff *skb;
-
-	/* Send HCI Reset to the controller to stop any BT activity which
-	 * were triggered. This will help to save power and maintain the
-	 * sync b/w Host and controller
-	 */
-	skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
-	if (IS_ERR(skb)) {
-		bt_dev_err(hdev, "HCI reset during shutdown failed");
-		return PTR_ERR(skb);
-	}
-	kfree_skb(skb);
-
-	return 0;
-}
-
-#define FIRMWARE_MT7663		"mediatek/mt7663pr2h.bin"
-#define FIRMWARE_MT7668		"mediatek/mt7668pr2h.bin"
-
-#define HCI_WMT_MAX_EVENT_SIZE		64
-
-enum {
-	BTMTK_WMT_PATCH_DWNLD = 0x1,
-	BTMTK_WMT_FUNC_CTRL = 0x6,
-	BTMTK_WMT_RST = 0x7,
-	BTMTK_WMT_SEMAPHORE = 0x17,
-};
-
-enum {
-	BTMTK_WMT_INVALID,
-	BTMTK_WMT_PATCH_UNDONE,
-	BTMTK_WMT_PATCH_DONE,
-	BTMTK_WMT_ON_UNDONE,
-	BTMTK_WMT_ON_DONE,
-	BTMTK_WMT_ON_PROGRESS,
-};
-
-struct btmtk_wmt_hdr {
-	u8	dir;
-	u8	op;
-	__le16	dlen;
-	u8	flag;
-} __packed;
-
-struct btmtk_hci_wmt_cmd {
-	struct btmtk_wmt_hdr hdr;
-	u8 data[256];
-} __packed;
-
-struct btmtk_hci_wmt_evt {
-	struct hci_event_hdr hhdr;
-	struct btmtk_wmt_hdr whdr;
-} __packed;
-
-struct btmtk_hci_wmt_evt_funcc {
-	struct btmtk_hci_wmt_evt hwhdr;
-	__be16 status;
-} __packed;
-
-struct btmtk_tci_sleep {
-	u8 mode;
-	__le16 duration;
-	__le16 host_duration;
-	u8 host_wakeup_pin;
-	u8 time_compensation;
-} __packed;
-
-struct btmtk_hci_wmt_params {
-	u8 op;
-	u8 flag;
-	u16 dlen;
-	const void *data;
-	u32 *status;
-};
-
-static void btusb_mtk_wmt_recv(struct urb *urb)
-{
-	struct hci_dev *hdev = urb->context;
-	struct btusb_data *data = hci_get_drvdata(hdev);
-	struct hci_event_hdr *hdr;
-	struct sk_buff *skb;
-	int err;
-
-	if (urb->status == 0 && urb->actual_length > 0) {
-		hdev->stat.byte_rx += urb->actual_length;
-
-		/* WMT event shouldn't be fragmented and the size should be
-		 * less than HCI_WMT_MAX_EVENT_SIZE.
-		 */
-		skb = bt_skb_alloc(HCI_WMT_MAX_EVENT_SIZE, GFP_ATOMIC);
-		if (!skb) {
-			hdev->stat.err_rx++;
-			goto err_out;
-		}
-
-		hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
-		skb_put_data(skb, urb->transfer_buffer, urb->actual_length);
-
-		hdr = (void *)skb->data;
-		/* Fix up the vendor event id with 0xff for vendor specific
-		 * instead of 0xe4 so that event send via monitoring socket can
-		 * be parsed properly.
-		 */
-		hdr->evt = 0xff;
-
-		/* When someone waits for the WMT event, the skb is being cloned
-		 * and being processed the events from there then.
-		 */
-		if (test_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags)) {
-			data->evt_skb = skb_clone(skb, GFP_ATOMIC);
-			if (!data->evt_skb)
-				goto err_out;
-		}
-
-		err = hci_recv_frame(hdev, skb);
-		if (err < 0)
-			goto err_free_skb;
-
-		if (test_and_clear_bit(BTUSB_TX_WAIT_VND_EVT,
-				       &data->flags)) {
-			/* Barrier to sync with other CPUs */
-			smp_mb__after_atomic();
-			wake_up_bit(&data->flags,
-				    BTUSB_TX_WAIT_VND_EVT);
-		}
-err_out:
-		return;
-err_free_skb:
-		kfree_skb(data->evt_skb);
-		data->evt_skb = NULL;
-		return;
-	} else if (urb->status == -ENOENT) {
-		/* Avoid suspend failed when usb_kill_urb */
-		return;
-	}
-
-	usb_mark_last_busy(data->udev);
-
-	/* The URB complete handler is still called with urb->actual_length = 0
-	 * when the event is not available, so we should keep re-submitting
-	 * URB until WMT event returns, Also, It's necessary to wait some time
-	 * between the two consecutive control URBs to relax the target device
-	 * to generate the event. Otherwise, the WMT event cannot return from
-	 * the device successfully.
-	 */
-	udelay(100);
-
-	usb_anchor_urb(urb, &data->ctrl_anchor);
-	err = usb_submit_urb(urb, GFP_ATOMIC);
-	if (err < 0) {
-		/* -EPERM: urb is being killed;
-		 * -ENODEV: device got disconnected
-		 */
-		if (err != -EPERM && err != -ENODEV)
-			bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
-				   urb, -err);
-		usb_unanchor_urb(urb);
-	}
-}
-
-static int btusb_mtk_submit_wmt_recv_urb(struct hci_dev *hdev)
-{
-	struct btusb_data *data = hci_get_drvdata(hdev);
-	struct usb_ctrlrequest *dr;
-	unsigned char *buf;
-	int err, size = 64;
-	unsigned int pipe;
-	struct urb *urb;
-
-	urb = usb_alloc_urb(0, GFP_KERNEL);
-	if (!urb)
-		return -ENOMEM;
-
-	dr = kmalloc(sizeof(*dr), GFP_KERNEL);
-	if (!dr) {
-		usb_free_urb(urb);
-		return -ENOMEM;
-	}
-
-	dr->bRequestType = USB_TYPE_VENDOR | USB_DIR_IN;
-	dr->bRequest     = 1;
-	dr->wIndex       = cpu_to_le16(0);
-	dr->wValue       = cpu_to_le16(48);
-	dr->wLength      = cpu_to_le16(size);
-
-	buf = kmalloc(size, GFP_KERNEL);
-	if (!buf) {
-		kfree(dr);
-		return -ENOMEM;
-	}
-
-	pipe = usb_rcvctrlpipe(data->udev, 0);
-
-	usb_fill_control_urb(urb, data->udev, pipe, (void *)dr,
-			     buf, size, btusb_mtk_wmt_recv, hdev);
-
-	urb->transfer_flags |= URB_FREE_BUFFER;
-
-	usb_anchor_urb(urb, &data->ctrl_anchor);
-	err = usb_submit_urb(urb, GFP_KERNEL);
-	if (err < 0) {
-		if (err != -EPERM && err != -ENODEV)
-			bt_dev_err(hdev, "urb %p submission failed (%d)",
-				   urb, -err);
-		usb_unanchor_urb(urb);
-	}
-
-	usb_free_urb(urb);
-
-	return err;
-}
-
-static int btusb_mtk_hci_wmt_sync(struct hci_dev *hdev,
-				  struct btmtk_hci_wmt_params *wmt_params)
-{
-	struct btusb_data *data = hci_get_drvdata(hdev);
-	struct btmtk_hci_wmt_evt_funcc *wmt_evt_funcc;
-	u32 hlen, status = BTMTK_WMT_INVALID;
-	struct btmtk_hci_wmt_evt *wmt_evt;
-	struct btmtk_hci_wmt_cmd wc;
-	struct btmtk_wmt_hdr *hdr;
-	int err;
-
-	/* Submit control IN URB on demand to process the WMT event */
-	err = btusb_mtk_submit_wmt_recv_urb(hdev);
-	if (err < 0)
-		return err;
-
-	/* Send the WMT command and wait until the WMT event returns */
-	hlen = sizeof(*hdr) + wmt_params->dlen;
-	if (hlen > 255)
-		return -EINVAL;
-
-	hdr = (struct btmtk_wmt_hdr *)&wc;
-	hdr->dir = 1;
-	hdr->op = wmt_params->op;
-	hdr->dlen = cpu_to_le16(wmt_params->dlen + 1);
-	hdr->flag = wmt_params->flag;
-	memcpy(wc.data, wmt_params->data, wmt_params->dlen);
-
-	set_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags);
-
-	err = __hci_cmd_send(hdev, 0xfc6f, hlen, &wc);
-
-	if (err < 0) {
-		clear_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags);
-		return err;
-	}
-
-	/* The vendor specific WMT commands are all answered by a vendor
-	 * specific event and will have the Command Status or Command
-	 * Complete as with usual HCI command flow control.
-	 *
-	 * After sending the command, wait for BTUSB_TX_WAIT_VND_EVT
-	 * state to be cleared. The driver specific event receive routine
-	 * will clear that state and with that indicate completion of the
-	 * WMT command.
-	 */
-	err = wait_on_bit_timeout(&data->flags, BTUSB_TX_WAIT_VND_EVT,
-				  TASK_INTERRUPTIBLE, HCI_INIT_TIMEOUT);
-	if (err == -EINTR) {
-		bt_dev_err(hdev, "Execution of wmt command interrupted");
-		clear_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags);
-		return err;
-	}
-
-	if (err) {
-		bt_dev_err(hdev, "Execution of wmt command timed out");
-		clear_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags);
-		return -ETIMEDOUT;
-	}
-
-	/* Parse and handle the return WMT event */
-	wmt_evt = (struct btmtk_hci_wmt_evt *)data->evt_skb->data;
-	if (wmt_evt->whdr.op != hdr->op) {
-		bt_dev_err(hdev, "Wrong op received %d expected %d",
-			   wmt_evt->whdr.op, hdr->op);
-		err = -EIO;
-		goto err_free_skb;
-	}
-
-	switch (wmt_evt->whdr.op) {
-	case BTMTK_WMT_SEMAPHORE:
-		if (wmt_evt->whdr.flag == 2)
-			status = BTMTK_WMT_PATCH_UNDONE;
-		else
-			status = BTMTK_WMT_PATCH_DONE;
-		break;
-	case BTMTK_WMT_FUNC_CTRL:
-		wmt_evt_funcc = (struct btmtk_hci_wmt_evt_funcc *)wmt_evt;
-		if (be16_to_cpu(wmt_evt_funcc->status) == 0x404)
-			status = BTMTK_WMT_ON_DONE;
-		else if (be16_to_cpu(wmt_evt_funcc->status) == 0x420)
-			status = BTMTK_WMT_ON_PROGRESS;
-		else
-			status = BTMTK_WMT_ON_UNDONE;
-		break;
-	}
-
-	if (wmt_params->status)
-		*wmt_params->status = status;
-
-err_free_skb:
-	kfree_skb(data->evt_skb);
-	data->evt_skb = NULL;
-
-	return err;
-}
-
-static int btusb_mtk_setup_firmware(struct hci_dev *hdev, const char *fwname)
-{
-	struct btmtk_hci_wmt_params wmt_params;
-	const struct firmware *fw;
-	const u8 *fw_ptr;
-	size_t fw_size;
-	int err, dlen;
-	u8 flag;
-
-	err = request_firmware(&fw, fwname, &hdev->dev);
-	if (err < 0) {
-		bt_dev_err(hdev, "Failed to load firmware file (%d)", err);
-		return err;
-	}
-
-	fw_ptr = fw->data;
-	fw_size = fw->size;
-
-	/* The size of patch header is 30 bytes, should be skip */
-	if (fw_size < 30) {
-		err = -EINVAL;
-		goto err_release_fw;
-	}
-
-	fw_size -= 30;
-	fw_ptr += 30;
-	flag = 1;
-
-	wmt_params.op = BTMTK_WMT_PATCH_DWNLD;
-	wmt_params.status = NULL;
-
-	while (fw_size > 0) {
-		dlen = min_t(int, 250, fw_size);
-
-		/* Tell deivice the position in sequence */
-		if (fw_size - dlen <= 0)
-			flag = 3;
-		else if (fw_size < fw->size - 30)
-			flag = 2;
-
-		wmt_params.flag = flag;
-		wmt_params.dlen = dlen;
-		wmt_params.data = fw_ptr;
-
-		err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
-		if (err < 0) {
-			bt_dev_err(hdev, "Failed to send wmt patch dwnld (%d)",
-				   err);
-			goto err_release_fw;
-		}
-
-		fw_size -= dlen;
-		fw_ptr += dlen;
-	}
-
-	wmt_params.op = BTMTK_WMT_RST;
-	wmt_params.flag = 4;
-	wmt_params.dlen = 0;
-	wmt_params.data = NULL;
-	wmt_params.status = NULL;
-
-	/* Activate funciton the firmware providing to */
-	err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
-	if (err < 0) {
-		bt_dev_err(hdev, "Failed to send wmt rst (%d)", err);
-		goto err_release_fw;
-	}
-
-	/* Wait a few moments for firmware activation done */
-	usleep_range(10000, 12000);
-
-err_release_fw:
-	release_firmware(fw);
-
-	return err;
-}
-
-static int btusb_mtk_func_query(struct hci_dev *hdev)
-{
-	struct btmtk_hci_wmt_params wmt_params;
-	int status, err;
-	u8 param = 0;
-
-	/* Query whether the function is enabled */
-	wmt_params.op = BTMTK_WMT_FUNC_CTRL;
-	wmt_params.flag = 4;
-	wmt_params.dlen = sizeof(param);
-	wmt_params.data = &param;
-	wmt_params.status = &status;
-
-	err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
-	if (err < 0) {
-		bt_dev_err(hdev, "Failed to query function status (%d)", err);
-		return err;
-	}
-
-	return status;
-}
-
-static int btusb_mtk_reg_read(struct btusb_data *data, u32 reg, u32 *val)
-{
-	int pipe, err, size = sizeof(u32);
-	void *buf;
-
-	buf = kzalloc(size, GFP_KERNEL);
-	if (!buf)
-		return -ENOMEM;
-
-	pipe = usb_rcvctrlpipe(data->udev, 0);
-	err = usb_control_msg(data->udev, pipe, 0x63,
-			      USB_TYPE_VENDOR | USB_DIR_IN,
-			      reg >> 16, reg & 0xffff,
-			      buf, size, USB_CTRL_SET_TIMEOUT);
-	if (err < 0)
-		goto err_free_buf;
-
-	*val = get_unaligned_le32(buf);
-
-err_free_buf:
-	kfree(buf);
-
-	return err;
-}
-
-static int btusb_mtk_id_get(struct btusb_data *data, u32 *id)
-{
-	return btusb_mtk_reg_read(data, 0x80000008, id);
-}
-
-static int btusb_mtk_setup(struct hci_dev *hdev)
-{
-	struct btusb_data *data = hci_get_drvdata(hdev);
-	struct btmtk_hci_wmt_params wmt_params;
-	ktime_t calltime, delta, rettime;
-	struct btmtk_tci_sleep tci_sleep;
-	unsigned long long duration;
-	struct sk_buff *skb;
-	const char *fwname;
-	int err, status;
-	u32 dev_id;
-	u8 param;
-
-	calltime = ktime_get();
-
-	err = btusb_mtk_id_get(data, &dev_id);
-	if (err < 0) {
-		bt_dev_err(hdev, "Failed to get device id (%d)", err);
-		return err;
-	}
-
-	switch (dev_id) {
-	case 0x7663:
-		fwname = FIRMWARE_MT7663;
-		break;
-	case 0x7668:
-		fwname = FIRMWARE_MT7668;
-		break;
-	default:
-		bt_dev_err(hdev, "Unsupported support hardware variant (%08x)",
-			   dev_id);
-		return -ENODEV;
-	}
-
-	/* Query whether the firmware is already download */
-	wmt_params.op = BTMTK_WMT_SEMAPHORE;
-	wmt_params.flag = 1;
-	wmt_params.dlen = 0;
-	wmt_params.data = NULL;
-	wmt_params.status = &status;
-
-	err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
-	if (err < 0) {
-		bt_dev_err(hdev, "Failed to query firmware status (%d)", err);
-		return err;
-	}
-
-	if (status == BTMTK_WMT_PATCH_DONE) {
-		bt_dev_info(hdev, "firmware already downloaded");
-		goto ignore_setup_fw;
-	}
-
-	/* Setup a firmware which the device definitely requires */
-	err = btusb_mtk_setup_firmware(hdev, fwname);
-	if (err < 0)
-		return err;
-
-ignore_setup_fw:
-	err = readx_poll_timeout(btusb_mtk_func_query, hdev, status,
-				 status < 0 || status != BTMTK_WMT_ON_PROGRESS,
-				 2000, 5000000);
-	/* -ETIMEDOUT happens */
-	if (err < 0)
-		return err;
-
-	/* The other errors happen in btusb_mtk_func_query */
-	if (status < 0)
-		return status;
-
-	if (status == BTMTK_WMT_ON_DONE) {
-		bt_dev_info(hdev, "function already on");
-		goto ignore_func_on;
-	}
-
-	/* Enable Bluetooth protocol */
-	param = 1;
-	wmt_params.op = BTMTK_WMT_FUNC_CTRL;
-	wmt_params.flag = 0;
-	wmt_params.dlen = sizeof(param);
-	wmt_params.data = &param;
-	wmt_params.status = NULL;
-
-	err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
-	if (err < 0) {
-		bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)", err);
-		return err;
-	}
-
-ignore_func_on:
-	/* Apply the low power environment setup */
-	tci_sleep.mode = 0x5;
-	tci_sleep.duration = cpu_to_le16(0x640);
-	tci_sleep.host_duration = cpu_to_le16(0x640);
-	tci_sleep.host_wakeup_pin = 0;
-	tci_sleep.time_compensation = 0;
-
-	skb = __hci_cmd_sync(hdev, 0xfc7a, sizeof(tci_sleep), &tci_sleep,
-			     HCI_INIT_TIMEOUT);
-	if (IS_ERR(skb)) {
-		err = PTR_ERR(skb);
-		bt_dev_err(hdev, "Failed to apply low power setting (%d)", err);
-		return err;
-	}
-	kfree_skb(skb);
-
-	rettime = ktime_get();
-	delta = ktime_sub(rettime, calltime);
-	duration = (unsigned long long)ktime_to_ns(delta) >> 10;
-
-	bt_dev_info(hdev, "Device setup in %llu usecs", duration);
-
-	return 0;
-}
-
-static int btusb_mtk_shutdown(struct hci_dev *hdev)
-{
-	struct btmtk_hci_wmt_params wmt_params;
-	u8 param = 0;
-	int err;
-
-	/* Disable the device */
-	wmt_params.op = BTMTK_WMT_FUNC_CTRL;
-	wmt_params.flag = 0;
-	wmt_params.dlen = sizeof(param);
-	wmt_params.data = &param;
-	wmt_params.status = NULL;
-
-	err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
-	if (err < 0) {
-		bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)", err);
-		return err;
-	}
-
-	return 0;
-}
-
-MODULE_FIRMWARE(FIRMWARE_MT7663);
-MODULE_FIRMWARE(FIRMWARE_MT7668);
-
-#ifdef CONFIG_PM
-/* Configure an out-of-band gpio as wake-up pin, if specified in device tree */
-static int marvell_config_oob_wake(struct hci_dev *hdev)
-{
-	struct sk_buff *skb;
-	struct btusb_data *data = hci_get_drvdata(hdev);
-	struct device *dev = &data->udev->dev;
-	u16 pin, gap, opcode;
-	int ret;
-	u8 cmd[5];
-
-	/* Move on if no wakeup pin specified */
-	if (of_property_read_u16(dev->of_node, "marvell,wakeup-pin", &pin) ||
-	    of_property_read_u16(dev->of_node, "marvell,wakeup-gap-ms", &gap))
-		return 0;
-
-	/* Vendor specific command to configure a GPIO as wake-up pin */
-	opcode = hci_opcode_pack(0x3F, 0x59);
-	cmd[0] = opcode & 0xFF;
-	cmd[1] = opcode >> 8;
-	cmd[2] = 2; /* length of parameters that follow */
-	cmd[3] = pin;
-	cmd[4] = gap; /* time in ms, for which wakeup pin should be asserted */
-
-	skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL);
-	if (!skb) {
-		bt_dev_err(hdev, "%s: No memory\n", __func__);
-		return -ENOMEM;
-	}
-
-	skb_put_data(skb, cmd, sizeof(cmd));
-	hci_skb_pkt_type(skb) = HCI_COMMAND_PKT;
-
-	ret = btusb_send_frame(hdev, skb);
-	if (ret) {
-		bt_dev_err(hdev, "%s: configuration failed\n", __func__);
-		kfree_skb(skb);
-		return ret;
-	}
-
-	return 0;
-}
-#endif
-
-static int btusb_set_bdaddr_marvell(struct hci_dev *hdev,
-				    const bdaddr_t *bdaddr)
-{
-	struct sk_buff *skb;
-	u8 buf[8];
-	long ret;
-
-	buf[0] = 0xfe;
-	buf[1] = sizeof(bdaddr_t);
-	memcpy(buf + 2, bdaddr, sizeof(bdaddr_t));
-
-	skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT);
-	if (IS_ERR(skb)) {
-		ret = PTR_ERR(skb);
-		bt_dev_err(hdev, "changing Marvell device address failed (%ld)",
-			   ret);
-		return ret;
-	}
-	kfree_skb(skb);
-
-	return 0;
-}
-
-static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev,
-				    const bdaddr_t *bdaddr)
-{
-	struct sk_buff *skb;
-	u8 buf[10];
-	long ret;
-
-	buf[0] = 0x01;
-	buf[1] = 0x01;
-	buf[2] = 0x00;
-	buf[3] = sizeof(bdaddr_t);
-	memcpy(buf + 4, bdaddr, sizeof(bdaddr_t));
-
-	skb = __hci_cmd_sync(hdev, 0xfc0b, sizeof(buf), buf, HCI_INIT_TIMEOUT);
-	if (IS_ERR(skb)) {
-		ret = PTR_ERR(skb);
-		bt_dev_err(hdev, "Change address command failed (%ld)", ret);
-		return ret;
-	}
-	kfree_skb(skb);
-
-	return 0;
-}
-
-#define QCA_DFU_PACKET_LEN	4096
-
-#define QCA_GET_TARGET_VERSION	0x09
-#define QCA_CHECK_STATUS	0x05
-#define QCA_DFU_DOWNLOAD	0x01
-
-#define QCA_SYSCFG_UPDATED	0x40
-#define QCA_PATCH_UPDATED	0x80
-#define QCA_DFU_TIMEOUT		3000
-
-struct qca_version {
-	__le32	rom_version;
-	__le32	patch_version;
-	__le32	ram_version;
-	__le32	ref_clock;
-	__u8	reserved[4];
-} __packed;
-
-struct qca_rampatch_version {
-	__le16	rom_version;
-	__le16	patch_version;
-} __packed;
-
-struct qca_device_info {
-	u32	rom_version;
-	u8	rampatch_hdr;	/* length of header in rampatch */
-	u8	nvm_hdr;	/* length of header in NVM */
-	u8	ver_offset;	/* offset of version structure in rampatch */
-};
-
-static const struct qca_device_info qca_devices_table[] = {
-	{ 0x00000100, 20, 4, 10 }, /* Rome 1.0 */
-	{ 0x00000101, 20, 4, 10 }, /* Rome 1.1 */
-	{ 0x00000200, 28, 4, 18 }, /* Rome 2.0 */
-	{ 0x00000201, 28, 4, 18 }, /* Rome 2.1 */
-	{ 0x00000300, 28, 4, 18 }, /* Rome 3.0 */
-	{ 0x00000302, 28, 4, 18 }, /* Rome 3.2 */
-};
-
-static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 request,
-				     void *data, u16 size)
-{
-	int pipe, err;
-	u8 *buf;
-
-	buf = kmalloc(size, GFP_KERNEL);
-	if (!buf)
-		return -ENOMEM;
-
-	/* Found some of USB hosts have IOT issues with ours so that we should
-	 * not wait until HCI layer is ready.
-	 */
-	pipe = usb_rcvctrlpipe(udev, 0);
-	err = usb_control_msg(udev, pipe, request, USB_TYPE_VENDOR | USB_DIR_IN,
-			      0, 0, buf, size, USB_CTRL_SET_TIMEOUT);
-	if (err < 0) {
-		dev_err(&udev->dev, "Failed to access otp area (%d)", err);
-		goto done;
-	}
-
-	memcpy(data, buf, size);
-
-done:
-	kfree(buf);
-
-	return err;
-}
-
-static int btusb_setup_qca_download_fw(struct hci_dev *hdev,
-				       const struct firmware *firmware,
-				       size_t hdr_size)
-{
-	struct btusb_data *btdata = hci_get_drvdata(hdev);
-	struct usb_device *udev = btdata->udev;
-	size_t count, size, sent = 0;
-	int pipe, len, err;
-	u8 *buf;
-
-	buf = kmalloc(QCA_DFU_PACKET_LEN, GFP_KERNEL);
-	if (!buf)
-		return -ENOMEM;
-
-	count = firmware->size;
-
-	size = min_t(size_t, count, hdr_size);
-	memcpy(buf, firmware->data, size);
-
-	/* USB patches should go down to controller through USB path
-	 * because binary format fits to go down through USB channel.
-	 * USB control path is for patching headers and USB bulk is for
-	 * patch body.
-	 */
-	pipe = usb_sndctrlpipe(udev, 0);
-	err = usb_control_msg(udev, pipe, QCA_DFU_DOWNLOAD, USB_TYPE_VENDOR,
-			      0, 0, buf, size, USB_CTRL_SET_TIMEOUT);
-	if (err < 0) {
-		bt_dev_err(hdev, "Failed to send headers (%d)", err);
-		goto done;
-	}
-
-	sent += size;
-	count -= size;
-
-	while (count) {
-		size = min_t(size_t, count, QCA_DFU_PACKET_LEN);
-
-		memcpy(buf, firmware->data + sent, size);
-
-		pipe = usb_sndbulkpipe(udev, 0x02);
-		err = usb_bulk_msg(udev, pipe, buf, size, &len,
-				   QCA_DFU_TIMEOUT);
-		if (err < 0) {
-			bt_dev_err(hdev, "Failed to send body at %zd of %zd (%d)",
-				   sent, firmware->size, err);
-			break;
-		}
-
-		if (size != len) {
-			bt_dev_err(hdev, "Failed to get bulk buffer");
-			err = -EILSEQ;
-			break;
-		}
-
-		sent  += size;
-		count -= size;
-	}
-
-done:
-	kfree(buf);
-	return err;
-}
-
-static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev,
-					 struct qca_version *ver,
-					 const struct qca_device_info *info)
-{
-	struct qca_rampatch_version *rver;
-	const struct firmware *fw;
-	u32 ver_rom, ver_patch;
-	u16 rver_rom, rver_patch;
-	char fwname[64];
-	int err;
-
-	ver_rom = le32_to_cpu(ver->rom_version);
-	ver_patch = le32_to_cpu(ver->patch_version);
-
-	snprintf(fwname, sizeof(fwname), "qca/rampatch_usb_%08x.bin", ver_rom);
-
-	err = request_firmware(&fw, fwname, &hdev->dev);
-	if (err) {
-		bt_dev_err(hdev, "failed to request rampatch file: %s (%d)",
-			   fwname, err);
-		return err;
-	}
-
-	bt_dev_info(hdev, "using rampatch file: %s", fwname);
-
-	rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset);
-	rver_rom = le16_to_cpu(rver->rom_version);
-	rver_patch = le16_to_cpu(rver->patch_version);
-
-	bt_dev_info(hdev, "QCA: patch rome 0x%x build 0x%x, "
-		    "firmware rome 0x%x build 0x%x",
-		    rver_rom, rver_patch, ver_rom, ver_patch);
-
-	if (rver_rom != ver_rom || rver_patch <= ver_patch) {
-		bt_dev_err(hdev, "rampatch file version did not match with firmware");
-		err = -EINVAL;
-		goto done;
-	}
-
-	err = btusb_setup_qca_download_fw(hdev, fw, info->rampatch_hdr);
-
-done:
-	release_firmware(fw);
-
-	return err;
-}
-
-static int btusb_setup_qca_load_nvm(struct hci_dev *hdev,
-				    struct qca_version *ver,
-				    const struct qca_device_info *info)
-{
-	const struct firmware *fw;
-	char fwname[64];
-	int err;
-
-	snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin",
-		 le32_to_cpu(ver->rom_version));
-
-	err = request_firmware(&fw, fwname, &hdev->dev);
-	if (err) {
-		bt_dev_err(hdev, "failed to request NVM file: %s (%d)",
-			   fwname, err);
-		return err;
-	}
-
-	bt_dev_info(hdev, "using NVM file: %s", fwname);
-
-	err = btusb_setup_qca_download_fw(hdev, fw, info->nvm_hdr);
-
-	release_firmware(fw);
-
-	return err;
-}
-
-/* identify the ROM version and check whether patches are needed */
-static bool btusb_qca_need_patch(struct usb_device *udev)
-{
-	struct qca_version ver;
-
-	if (btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver,
-				      sizeof(ver)) < 0)
-		return false;
-	/* only low ROM versions need patches */
-	return !(le32_to_cpu(ver.rom_version) & ~0xffffU);
-}
-
-static int btusb_setup_qca(struct hci_dev *hdev)
-{
-	struct btusb_data *btdata = hci_get_drvdata(hdev);
-	struct usb_device *udev = btdata->udev;
-	const struct qca_device_info *info = NULL;
-	struct qca_version ver;
-	u32 ver_rom;
-	u8 status;
-	int i, err;
-
-	err = btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver,
-					sizeof(ver));
-	if (err < 0)
-		return err;
-
-	ver_rom = le32_to_cpu(ver.rom_version);
-	/* Don't care about high ROM versions */
-	if (ver_rom & ~0xffffU)
-		return 0;
-
-	for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) {
-		if (ver_rom == qca_devices_table[i].rom_version)
-			info = &qca_devices_table[i];
-	}
-	if (!info) {
-		bt_dev_err(hdev, "don't support firmware rome 0x%x", ver_rom);
-		return -ENODEV;
-	}
-
-	err = btusb_qca_send_vendor_req(udev, QCA_CHECK_STATUS, &status,
-					sizeof(status));
-	if (err < 0)
-		return err;
-
-	if (!(status & QCA_PATCH_UPDATED)) {
-		err = btusb_setup_qca_load_rampatch(hdev, &ver, info);
-		if (err < 0)
-			return err;
-	}
-
-	if (!(status & QCA_SYSCFG_UPDATED)) {
-		err = btusb_setup_qca_load_nvm(hdev, &ver, info);
-		if (err < 0)
-			return err;
-	}
-
-	return 0;
-}
-
-static inline int __set_diag_interface(struct hci_dev *hdev)
-{
-	struct btusb_data *data = hci_get_drvdata(hdev);
-	struct usb_interface *intf = data->diag;
-	int i;
-
-	if (!data->diag)
-		return -ENODEV;
-
-	data->diag_tx_ep = NULL;
-	data->diag_rx_ep = NULL;
-
-	for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
-		struct usb_endpoint_descriptor *ep_desc;
-
-		ep_desc = &intf->cur_altsetting->endpoint[i].desc;
-
-		if (!data->diag_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
-			data->diag_tx_ep = ep_desc;
-			continue;
-		}
-
-		if (!data->diag_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
-			data->diag_rx_ep = ep_desc;
-			continue;
-		}
-	}
-
-	if (!data->diag_tx_ep || !data->diag_rx_ep) {
-		bt_dev_err(hdev, "invalid diagnostic descriptors");
-		return -ENODEV;
-	}
-
-	return 0;
-}
-
-static struct urb *alloc_diag_urb(struct hci_dev *hdev, bool enable)
-{
-	struct btusb_data *data = hci_get_drvdata(hdev);
-	struct sk_buff *skb;
-	struct urb *urb;
-	unsigned int pipe;
-
-	if (!data->diag_tx_ep)
-		return ERR_PTR(-ENODEV);
-
-	urb = usb_alloc_urb(0, GFP_KERNEL);
-	if (!urb)
-		return ERR_PTR(-ENOMEM);
-
-	skb = bt_skb_alloc(2, GFP_KERNEL);
-	if (!skb) {
-		usb_free_urb(urb);
-		return ERR_PTR(-ENOMEM);
-	}
-
-	skb_put_u8(skb, 0xf0);
-	skb_put_u8(skb, enable);
-
-	pipe = usb_sndbulkpipe(data->udev, data->diag_tx_ep->bEndpointAddress);
-
-	usb_fill_bulk_urb(urb, data->udev, pipe,
-			  skb->data, skb->len, btusb_tx_complete, skb);
-
-	skb->dev = (void *)hdev;
-
-	return urb;
-}
-
-static int btusb_bcm_set_diag(struct hci_dev *hdev, bool enable)
-{
-	struct btusb_data *data = hci_get_drvdata(hdev);
-	struct urb *urb;
-
-	if (!data->diag)
-		return -ENODEV;
-
-	if (!test_bit(HCI_RUNNING, &hdev->flags))
-		return -ENETDOWN;
-
-	urb = alloc_diag_urb(hdev, enable);
-	if (IS_ERR(urb))
-		return PTR_ERR(urb);
-
-	return submit_or_queue_tx_urb(hdev, urb);
-}
-
-#ifdef CONFIG_PM
-static irqreturn_t btusb_oob_wake_handler(int irq, void *priv)
-{
-	struct btusb_data *data = priv;
-
-	pm_wakeup_event(&data->udev->dev, 0);
-	pm_system_wakeup();
-
-	/* Disable only if not already disabled (keep it balanced) */
-	if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) {
-		disable_irq_nosync(irq);
-		disable_irq_wake(irq);
-	}
-	return IRQ_HANDLED;
-}
-
-static const struct of_device_id btusb_match_table[] = {
-	{ .compatible = "usb1286,204e" },
-	{ .compatible = "usbcf3,e300" }, /* QCA6174A */
-	{ .compatible = "usb4ca,301a" }, /* QCA6174A (Lite-On) */
-	{ }
-};
-MODULE_DEVICE_TABLE(of, btusb_match_table);
-
-/* Use an oob wakeup pin? */
-static int btusb_config_oob_wake(struct hci_dev *hdev)
-{
-	struct btusb_data *data = hci_get_drvdata(hdev);
-	struct device *dev = &data->udev->dev;
-	int irq, ret;
-
-	clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags);
-
-	if (!of_match_device(btusb_match_table, dev))
-		return 0;
-
-	/* Move on if no IRQ specified */
-	irq = of_irq_get_byname(dev->of_node, "wakeup");
-	if (irq <= 0) {
-		bt_dev_dbg(hdev, "%s: no OOB Wakeup IRQ in DT", __func__);
-		return 0;
-	}
-
-	irq_set_status_flags(irq, IRQ_NOAUTOEN);
-	ret = devm_request_irq(&hdev->dev, irq, btusb_oob_wake_handler,
-			       0, "OOB Wake-on-BT", data);
-	if (ret) {
-		bt_dev_err(hdev, "%s: IRQ request failed", __func__);
-		return ret;
-	}
-
-	ret = device_init_wakeup(dev, true);
-	if (ret) {
-		bt_dev_err(hdev, "%s: failed to init_wakeup", __func__);
-		return ret;
-	}
-
-	data->oob_wake_irq = irq;
-	bt_dev_info(hdev, "OOB Wake-on-BT configured at IRQ %u", irq);
-	return 0;
-}
-#endif
-
-static void btusb_check_needs_reset_resume(struct usb_interface *intf)
-{
-	if (dmi_check_system(btusb_needs_reset_resume_table))
-		interface_to_usbdev(intf)->quirks |= USB_QUIRK_RESET_RESUME;
-}
-
-static int btusb_probe(struct usb_interface *intf,
-		       const struct usb_device_id *id)
-{
-	struct usb_endpoint_descriptor *ep_desc;
-	struct gpio_desc *reset_gpio;
-	struct btusb_data *data;
-	struct hci_dev *hdev;
-	unsigned ifnum_base;
-	int i, err;
-
-	BT_DBG("intf %p id %p", intf, id);
-
-	/* interface numbers are hardcoded in the spec */
-	if (intf->cur_altsetting->desc.bInterfaceNumber != 0) {
-		if (!(id->driver_info & BTUSB_IFNUM_2))
-			return -ENODEV;
-		if (intf->cur_altsetting->desc.bInterfaceNumber != 2)
-			return -ENODEV;
-	}
-
-	ifnum_base = intf->cur_altsetting->desc.bInterfaceNumber;
-
-	if (!id->driver_info) {
-		const struct usb_device_id *match;
-
-		match = usb_match_id(intf, blacklist_table);
-		if (match)
-			id = match;
-	}
-
-	if (id->driver_info == BTUSB_IGNORE)
-		return -ENODEV;
-
-	if (id->driver_info & BTUSB_ATH3012) {
-		struct usb_device *udev = interface_to_usbdev(intf);
-
-		/* Old firmware would otherwise let ath3k driver load
-		 * patch and sysconfig files
-		 */
-		if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001 &&
-		    !btusb_qca_need_patch(udev))
-			return -ENODEV;
-	}
-
-	data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL);
-	if (!data)
-		return -ENOMEM;
-
-	for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
-		ep_desc = &intf->cur_altsetting->endpoint[i].desc;
-
-		if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) {
-			data->intr_ep = ep_desc;
-			continue;
-		}
-
-		if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
-			data->bulk_tx_ep = ep_desc;
-			continue;
-		}
-
-		if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
-			data->bulk_rx_ep = ep_desc;
-			continue;
-		}
-	}
-
-	if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep)
-		return -ENODEV;
-
-	if (id->driver_info & BTUSB_AMP) {
-		data->cmdreq_type = USB_TYPE_CLASS | 0x01;
-		data->cmdreq = 0x2b;
-	} else {
-		data->cmdreq_type = USB_TYPE_CLASS;
-		data->cmdreq = 0x00;
-	}
-
-	data->udev = interface_to_usbdev(intf);
-	data->intf = intf;
-
-	INIT_WORK(&data->work, btusb_work);
-	INIT_WORK(&data->waker, btusb_waker);
-	init_usb_anchor(&data->deferred);
-	init_usb_anchor(&data->tx_anchor);
-	spin_lock_init(&data->txlock);
-
-	init_usb_anchor(&data->intr_anchor);
-	init_usb_anchor(&data->bulk_anchor);
-	init_usb_anchor(&data->isoc_anchor);
-	init_usb_anchor(&data->diag_anchor);
-	init_usb_anchor(&data->ctrl_anchor);
-	spin_lock_init(&data->rxlock);
-
-	if (id->driver_info & BTUSB_INTEL_NEW) {
-		data->recv_event = btusb_recv_event_intel;
-		data->recv_bulk = btusb_recv_bulk_intel;
-		set_bit(BTUSB_BOOTLOADER, &data->flags);
-	} else {
-		data->recv_event = hci_recv_frame;
-		data->recv_bulk = btusb_recv_bulk;
-	}
-
-	hdev = hci_alloc_dev();
-	if (!hdev)
-		return -ENOMEM;
-
-	hdev->bus = HCI_USB;
-	hci_set_drvdata(hdev, data);
-
-	if (id->driver_info & BTUSB_AMP)
-		hdev->dev_type = HCI_AMP;
-	else
-		hdev->dev_type = HCI_PRIMARY;
-
-	data->hdev = hdev;
-
-	SET_HCIDEV_DEV(hdev, &intf->dev);
-
-	reset_gpio = gpiod_get_optional(&data->udev->dev, "reset",
-					GPIOD_OUT_LOW);
-	if (IS_ERR(reset_gpio)) {
-		err = PTR_ERR(reset_gpio);
-		goto out_free_dev;
-	} else if (reset_gpio) {
-		data->reset_gpio = reset_gpio;
-	}
-
-	hdev->open   = btusb_open;
-	hdev->close  = btusb_close;
-	hdev->flush  = btusb_flush;
-	hdev->send   = btusb_send_frame;
-	hdev->notify = btusb_notify;
-
-#ifdef CONFIG_PM
-	err = btusb_config_oob_wake(hdev);
-	if (err)
-		goto out_free_dev;
-
-	/* Marvell devices may need a specific chip configuration */
-	if (id->driver_info & BTUSB_MARVELL && data->oob_wake_irq) {
-		err = marvell_config_oob_wake(hdev);
-		if (err)
-			goto out_free_dev;
-	}
-#endif
-	if (id->driver_info & BTUSB_CW6622)
-		set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
-
-	if (id->driver_info & BTUSB_BCM2045)
-		set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
-
-	if (id->driver_info & BTUSB_BCM92035)
-		hdev->setup = btusb_setup_bcm92035;
-
-	if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) &&
-	    (id->driver_info & BTUSB_BCM_PATCHRAM)) {
-		hdev->manufacturer = 15;
-		hdev->setup = btbcm_setup_patchram;
-		hdev->set_diag = btusb_bcm_set_diag;
-		hdev->set_bdaddr = btbcm_set_bdaddr;
-
-		/* Broadcom LM_DIAG Interface numbers are hardcoded */
-		data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2);
-	}
-
-	if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) &&
-	    (id->driver_info & BTUSB_BCM_APPLE)) {
-		hdev->manufacturer = 15;
-		hdev->setup = btbcm_setup_apple;
-		hdev->set_diag = btusb_bcm_set_diag;
-
-		/* Broadcom LM_DIAG Interface numbers are hardcoded */
-		data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2);
-	}
-
-	if (id->driver_info & BTUSB_INTEL) {
-		hdev->manufacturer = 2;
-		hdev->setup = btusb_setup_intel;
-		hdev->shutdown = btusb_shutdown_intel;
-		hdev->set_diag = btintel_set_diag_mfg;
-		hdev->set_bdaddr = btintel_set_bdaddr;
-		hdev->cmd_timeout = btusb_intel_cmd_timeout;
-		set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
-		set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
-		set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks);
-	}
-
-	if (id->driver_info & BTUSB_INTEL_NEW) {
-		hdev->manufacturer = 2;
-		hdev->send = btusb_send_frame_intel;
-		hdev->setup = btusb_setup_intel_new;
-		hdev->shutdown = btusb_shutdown_intel_new;
-		hdev->hw_error = btintel_hw_error;
-		hdev->set_diag = btintel_set_diag;
-		hdev->set_bdaddr = btintel_set_bdaddr;
-		hdev->cmd_timeout = btusb_intel_cmd_timeout;
-		set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
-		set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
-		set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks);
-	}
-
-	if (id->driver_info & BTUSB_MARVELL)
-		hdev->set_bdaddr = btusb_set_bdaddr_marvell;
-
-	if (IS_ENABLED(CONFIG_BT_HCIBTUSB_MTK) &&
-	    (id->driver_info & BTUSB_MEDIATEK)) {
-		hdev->setup = btusb_mtk_setup;
-		hdev->shutdown = btusb_mtk_shutdown;
-		hdev->manufacturer = 70;
-		set_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks);
-	}
-
-	if (id->driver_info & BTUSB_SWAVE) {
-		set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks);
-		set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, &hdev->quirks);
-	}
-
-	if (id->driver_info & BTUSB_INTEL_BOOT) {
-		hdev->manufacturer = 2;
-		set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
-	}
-
-	if (id->driver_info & BTUSB_ATH3012) {
-		data->setup_on_usb = btusb_setup_qca;
-		hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
-		set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
-		set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
-	}
-
-	if (id->driver_info & BTUSB_QCA_ROME) {
-		data->setup_on_usb = btusb_setup_qca;
-		hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
-		set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
-		btusb_check_needs_reset_resume(intf);
-	}
-
-	if (IS_ENABLED(CONFIG_BT_HCIBTUSB_RTL) &&
-	    (id->driver_info & BTUSB_REALTEK)) {
-		hdev->setup = btrtl_setup_realtek;
-		hdev->shutdown = btrtl_shutdown_realtek;
-		hdev->cmd_timeout = btusb_rtl_cmd_timeout;
-
-		/* Realtek devices lose their updated firmware over global
-		 * suspend that means host doesn't send SET_FEATURE
-		 * (DEVICE_REMOTE_WAKEUP)
-		 */
-		set_bit(BTUSB_WAKEUP_DISABLE, &data->flags);
-
-		err = usb_autopm_get_interface(intf);
-		if (err < 0)
-			goto out_free_dev;
-	}
-
-	if (id->driver_info & BTUSB_AMP) {
-		/* AMP controllers do not support SCO packets */
-		data->isoc = NULL;
-	} else {
-		/* Interface orders are hardcoded in the specification */
-		data->isoc = usb_ifnum_to_if(data->udev, ifnum_base + 1);
-		data->isoc_ifnum = ifnum_base + 1;
-	}
-
-	if (!reset)
-		set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
-
-	if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) {
-		if (!disable_scofix)
-			set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks);
-	}
-
-	if (id->driver_info & BTUSB_BROKEN_ISOC)
-		data->isoc = NULL;
-
-	if (id->driver_info & BTUSB_WIDEBAND_SPEECH)
-		set_bit(HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED, &hdev->quirks);
-
-	if (id->driver_info & BTUSB_DIGIANSWER) {
-		data->cmdreq_type = USB_TYPE_VENDOR;
-		set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
-	}
-
-	if (id->driver_info & BTUSB_CSR) {
-		struct usb_device *udev = data->udev;
-		u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice);
-
-		/* Old firmware would otherwise execute USB reset */
-		if (bcdDevice < 0x117)
-			set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
-
-		/* Fake CSR devices with broken commands */
-		if (bcdDevice <= 0x100 || bcdDevice == 0x134)
-			hdev->setup = btusb_setup_csr;
-
-		set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
-	}
-
-	if (id->driver_info & BTUSB_SNIFFER) {
-		struct usb_device *udev = data->udev;
-
-		/* New sniffer firmware has crippled HCI interface */
-		if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997)
-			set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
-	}
-
-	if (id->driver_info & BTUSB_INTEL_BOOT) {
-		/* A bug in the bootloader causes that interrupt interface is
-		 * only enabled after receiving SetInterface(0, AltSetting=0).
-		 */
-		err = usb_set_interface(data->udev, 0, 0);
-		if (err < 0) {
-			BT_ERR("failed to set interface 0, alt 0 %d", err);
-			goto out_free_dev;
-		}
-	}
-
-	if (data->isoc) {
-		err = usb_driver_claim_interface(&btusb_driver,
-						 data->isoc, data);
-		if (err < 0)
-			goto out_free_dev;
-	}
-
-	if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) && data->diag) {
-		if (!usb_driver_claim_interface(&btusb_driver,
-						data->diag, data))
-			__set_diag_interface(hdev);
-		else
-			data->diag = NULL;
-	}
-
-	if (enable_autosuspend)
-		usb_enable_autosuspend(data->udev);
-
-	err = hci_register_dev(hdev);
-	if (err < 0)
-		goto out_free_dev;
-
-	usb_set_intfdata(intf, data);
-
-	return 0;
-
-out_free_dev:
-	if (data->reset_gpio)
-		gpiod_put(data->reset_gpio);
-	hci_free_dev(hdev);
-	return err;
-}
-
-static void btusb_disconnect(struct usb_interface *intf)
-{
-	struct btusb_data *data = usb_get_intfdata(intf);
-	struct hci_dev *hdev;
-
-	BT_DBG("intf %p", intf);
-
-	if (!data)
-		return;
-
-	hdev = data->hdev;
-	usb_set_intfdata(data->intf, NULL);
-
-	if (data->isoc)
-		usb_set_intfdata(data->isoc, NULL);
-
-	if (data->diag)
-		usb_set_intfdata(data->diag, NULL);
-
-	hci_unregister_dev(hdev);
-
-	if (intf == data->intf) {
-		if (data->isoc)
-			usb_driver_release_interface(&btusb_driver, data->isoc);
-		if (data->diag)
-			usb_driver_release_interface(&btusb_driver, data->diag);
-	} else if (intf == data->isoc) {
-		if (data->diag)
-			usb_driver_release_interface(&btusb_driver, data->diag);
-		usb_driver_release_interface(&btusb_driver, data->intf);
-	} else if (intf == data->diag) {
-		usb_driver_release_interface(&btusb_driver, data->intf);
-		if (data->isoc)
-			usb_driver_release_interface(&btusb_driver, data->isoc);
-	}
-
-	if (data->oob_wake_irq)
-		device_init_wakeup(&data->udev->dev, false);
-
-	if (data->reset_gpio)
-		gpiod_put(data->reset_gpio);
-
-	hci_free_dev(hdev);
-}
-
-#ifdef CONFIG_PM
-static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
-{
-	struct btusb_data *data = usb_get_intfdata(intf);
-
-	BT_DBG("intf %p", intf);
-
-	if (data->suspend_count++)
-		return 0;
-
-	spin_lock_irq(&data->txlock);
-	if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) {
-		set_bit(BTUSB_SUSPENDING, &data->flags);
-		spin_unlock_irq(&data->txlock);
-	} else {
-		spin_unlock_irq(&data->txlock);
-		data->suspend_count--;
-		return -EBUSY;
-	}
-
-	cancel_work_sync(&data->work);
-
-	btusb_stop_traffic(data);
-	usb_kill_anchored_urbs(&data->tx_anchor);
-
-	if (data->oob_wake_irq && device_may_wakeup(&data->udev->dev)) {
-		set_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags);
-		enable_irq_wake(data->oob_wake_irq);
-		enable_irq(data->oob_wake_irq);
-	}
-
-	/* For global suspend, Realtek devices lose the loaded fw
-	 * in them. But for autosuspend, firmware should remain.
-	 * Actually, it depends on whether the usb host sends
-	 * set feature (enable wakeup) or not.
-	 */
-	if (test_bit(BTUSB_WAKEUP_DISABLE, &data->flags)) {
-		if (PMSG_IS_AUTO(message) &&
-		    device_can_wakeup(&data->udev->dev))
-			data->udev->do_remote_wakeup = 1;
-		else if (!PMSG_IS_AUTO(message))
-			data->udev->reset_resume = 1;
-	}
-
-	return 0;
-}
-
-static void play_deferred(struct btusb_data *data)
-{
-	struct urb *urb;
-	int err;
-
-	while ((urb = usb_get_from_anchor(&data->deferred))) {
-		usb_anchor_urb(urb, &data->tx_anchor);
-
-		err = usb_submit_urb(urb, GFP_ATOMIC);
-		if (err < 0) {
-			if (err != -EPERM && err != -ENODEV)
-				BT_ERR("%s urb %p submission failed (%d)",
-				       data->hdev->name, urb, -err);
-			kfree(urb->setup_packet);
-			usb_unanchor_urb(urb);
-			usb_free_urb(urb);
-			break;
-		}
-
-		data->tx_in_flight++;
-		usb_free_urb(urb);
-	}
-
-	/* Cleanup the rest deferred urbs. */
-	while ((urb = usb_get_from_anchor(&data->deferred))) {
-		kfree(urb->setup_packet);
-		usb_free_urb(urb);
-	}
-}
-
-static int btusb_resume(struct usb_interface *intf)
-{
-	struct btusb_data *data = usb_get_intfdata(intf);
-	struct hci_dev *hdev = data->hdev;
-	int err = 0;
-
-	BT_DBG("intf %p", intf);
-
-	if (--data->suspend_count)
-		return 0;
-
-	/* Disable only if not already disabled (keep it balanced) */
-	if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) {
-		disable_irq(data->oob_wake_irq);
-		disable_irq_wake(data->oob_wake_irq);
-	}
-
-	if (!test_bit(HCI_RUNNING, &hdev->flags))
-		goto done;
-
-	if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) {
-		err = btusb_submit_intr_urb(hdev, GFP_NOIO);
-		if (err < 0) {
-			clear_bit(BTUSB_INTR_RUNNING, &data->flags);
-			goto failed;
-		}
-	}
-
-	if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) {
-		err = btusb_submit_bulk_urb(hdev, GFP_NOIO);
-		if (err < 0) {
-			clear_bit(BTUSB_BULK_RUNNING, &data->flags);
-			goto failed;
-		}
-
-		btusb_submit_bulk_urb(hdev, GFP_NOIO);
-	}
-
-	if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
-		if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0)
-			clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
-		else
-			btusb_submit_isoc_urb(hdev, GFP_NOIO);
-	}
-
-	spin_lock_irq(&data->txlock);
-	play_deferred(data);
-	clear_bit(BTUSB_SUSPENDING, &data->flags);
-	spin_unlock_irq(&data->txlock);
-	schedule_work(&data->work);
-
-	return 0;
-
-failed:
-	usb_scuttle_anchored_urbs(&data->deferred);
-done:
-	spin_lock_irq(&data->txlock);
-	clear_bit(BTUSB_SUSPENDING, &data->flags);
-	spin_unlock_irq(&data->txlock);
-
-	return err;
-}
-#endif
-
-static struct usb_driver btusb_driver = {
-	.name		= "btusb",
-	.probe		= btusb_probe,
-	.disconnect	= btusb_disconnect,
-#ifdef CONFIG_PM
-	.suspend	= btusb_suspend,
-	.resume		= btusb_resume,
-#endif
-	.id_table	= btusb_table,
-	.supports_autosuspend = 1,
-	.disable_hub_initiated_lpm = 1,
-};
-
-module_usb_driver(btusb_driver);
-
-module_param(disable_scofix, bool, 0644);
-MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size");
-
-module_param(force_scofix, bool, 0644);
-MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size");
-
-module_param(enable_autosuspend, bool, 0644);
-MODULE_PARM_DESC(enable_autosuspend, "Enable USB autosuspend by default");
-
-module_param(reset, bool, 0644);
-MODULE_PARM_DESC(reset, "Send HCI reset command on initialization");
-
-MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
-MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION);
-MODULE_VERSION(VERSION);
-MODULE_LICENSE("GPL");