License cleanup: add SPDX GPL-2.0 license identifier to files with no license
Many source files in the tree are missing licensing information, which
makes it harder for compliance tools to determine the correct license.
By default all files without license information are under the default
license of the kernel, which is GPL version 2.
Update the files which contain no license information with the 'GPL-2.0'
SPDX license identifier. The SPDX identifier is a legally binding
shorthand, which can be used instead of the full boiler plate text.
This patch is based on work done by Thomas Gleixner and Kate Stewart and
Philippe Ombredanne.
How this work was done:
Patches were generated and checked against linux-4.14-rc6 for a subset of
the use cases:
- file had no licensing information it it.
- file was a */uapi/* one with no licensing information in it,
- file was a */uapi/* one with existing licensing information,
Further patches will be generated in subsequent months to fix up cases
where non-standard license headers were used, and references to license
had to be inferred by heuristics based on keywords.
The analysis to determine which SPDX License Identifier to be applied to
a file was done in a spreadsheet of side by side results from of the
output of two independent scanners (ScanCode & Windriver) producing SPDX
tag:value files created by Philippe Ombredanne. Philippe prepared the
base worksheet, and did an initial spot review of a few 1000 files.
The 4.13 kernel was the starting point of the analysis with 60,537 files
assessed. Kate Stewart did a file by file comparison of the scanner
results in the spreadsheet to determine which SPDX license identifier(s)
to be applied to the file. She confirmed any determination that was not
immediately clear with lawyers working with the Linux Foundation.
Criteria used to select files for SPDX license identifier tagging was:
- Files considered eligible had to be source code files.
- Make and config files were included as candidates if they contained >5
lines of source
- File already had some variant of a license header in it (even if <5
lines).
All documentation files were explicitly excluded.
The following heuristics were used to determine which SPDX license
identifiers to apply.
- when both scanners couldn't find any license traces, file was
considered to have no license information in it, and the top level
COPYING file license applied.
For non */uapi/* files that summary was:
SPDX license identifier # files
---------------------------------------------------|-------
GPL-2.0 11139
and resulted in the first patch in this series.
If that file was a */uapi/* path one, it was "GPL-2.0 WITH
Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was:
SPDX license identifier # files
---------------------------------------------------|-------
GPL-2.0 WITH Linux-syscall-note 930
and resulted in the second patch in this series.
- if a file had some form of licensing information in it, and was one
of the */uapi/* ones, it was denoted with the Linux-syscall-note if
any GPL family license was found in the file or had no licensing in
it (per prior point). Results summary:
SPDX license identifier # files
---------------------------------------------------|------
GPL-2.0 WITH Linux-syscall-note 270
GPL-2.0+ WITH Linux-syscall-note 169
((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21
((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17
LGPL-2.1+ WITH Linux-syscall-note 15
GPL-1.0+ WITH Linux-syscall-note 14
((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5
LGPL-2.0+ WITH Linux-syscall-note 4
LGPL-2.1 WITH Linux-syscall-note 3
((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3
((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1
and that resulted in the third patch in this series.
- when the two scanners agreed on the detected license(s), that became
the concluded license(s).
- when there was disagreement between the two scanners (one detected a
license but the other didn't, or they both detected different
licenses) a manual inspection of the file occurred.
- In most cases a manual inspection of the information in the file
resulted in a clear resolution of the license that should apply (and
which scanner probably needed to revisit its heuristics).
- When it was not immediately clear, the license identifier was
confirmed with lawyers working with the Linux Foundation.
- If there was any question as to the appropriate license identifier,
the file was flagged for further research and to be revisited later
in time.
In total, over 70 hours of logged manual review was done on the
spreadsheet to determine the SPDX license identifiers to apply to the
source files by Kate, Philippe, Thomas and, in some cases, confirmation
by lawyers working with the Linux Foundation.
Kate also obtained a third independent scan of the 4.13 code base from
FOSSology, and compared selected files where the other two scanners
disagreed against that SPDX file, to see if there was new insights. The
Windriver scanner is based on an older version of FOSSology in part, so
they are related.
Thomas did random spot checks in about 500 files from the spreadsheets
for the uapi headers and agreed with SPDX license identifier in the
files he inspected. For the non-uapi files Thomas did random spot checks
in about 15000 files.
In initial set of patches against 4.14-rc6, 3 files were found to have
copy/paste license identifier errors, and have been fixed to reflect the
correct identifier.
Additionally Philippe spent 10 hours this week doing a detailed manual
inspection and review of the 12,461 patched files from the initial patch
version early this week with:
- a full scancode scan run, collecting the matched texts, detected
license ids and scores
- reviewing anything where there was a license detected (about 500+
files) to ensure that the applied SPDX license was correct
- reviewing anything where there was no detection but the patch license
was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied
SPDX license was correct
This produced a worksheet with 20 files needing minor correction. This
worksheet was then exported into 3 different .csv files for the
different types of files to be modified.
These .csv files were then reviewed by Greg. Thomas wrote a script to
parse the csv files and add the proper SPDX tag to the file, in the
format that the file expected. This script was further refined by Greg
based on the output to detect more types of files automatically and to
distinguish between header and source .c files (which need different
comment types.) Finally Greg ran the script using the .csv files to
generate the patches.
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-11-01 17:07:57 +03:00
# SPDX-License-Identifier: GPL-2.0
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menu "Bluetooth device drivers"
depends on BT
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config BT_INTEL
tristate
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select REGMAP
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config BT_BCM
tristate
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select FW_LOADER
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config BT_RTL
tristate
select FW_LOADER
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config BT_QCA
tristate
select FW_LOADER
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config BT_HCIBTUSB
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tristate "HCI USB driver"
depends on USB
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select BT_INTEL
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help
Bluetooth HCI USB driver.
This driver is required if you want to use Bluetooth devices with
USB interface.
Say Y here to compile support for Bluetooth USB devices into the
kernel or say M to compile it as module (btusb).
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config BT_HCIBTUSB_AUTOSUSPEND
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bool "Enable USB autosuspend for Bluetooth USB devices by default"
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depends on BT_HCIBTUSB
help
Say Y here to enable USB autosuspend for Bluetooth USB devices by
default.
This can be overridden by passing btusb.enable_autosuspend=[y|n]
on the kernel commandline.
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config BT_HCIBTUSB_BCM
bool "Broadcom protocol support"
depends on BT_HCIBTUSB
select BT_BCM
default y
help
The Broadcom protocol support enables firmware and patchram
download support for Broadcom Bluetooth controllers.
Say Y here to compile support for Broadcom protocol.
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config BT_HCIBTUSB_RTL
bool "Realtek protocol support"
depends on BT_HCIBTUSB
select BT_RTL
default y
help
The Realtek protocol support enables firmware and configuration
download support for Realtek Bluetooth controllers.
Say Y here to compile support for Realtek protocol.
2007-10-20 16:02:04 +04:00
config BT_HCIBTSDIO
tristate "HCI SDIO driver"
depends on MMC
help
Bluetooth HCI SDIO driver.
This driver is required if you want to use Bluetooth device with
SDIO interface.
Say Y here to compile support for Bluetooth SDIO devices into the
kernel or say M to compile it as module (btsdio).
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config BT_HCIUART
tristate "HCI UART driver"
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depends on SERIAL_DEV_BUS || !SERIAL_DEV_BUS
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depends on NVMEM || !NVMEM
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depends on TTY
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help
Bluetooth HCI UART driver.
This driver is required if you want to use Bluetooth devices with
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serial port interface. You will also need this driver if you have
UART based Bluetooth PCMCIA and CF devices like Xircom Credit Card
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adapter and BrainBoxes Bluetooth PC Card.
Say Y here to compile support for Bluetooth UART devices into the
kernel or say M to compile it as module (hci_uart).
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config BT_HCIUART_SERDEV
bool
depends on SERIAL_DEV_BUS && BT_HCIUART
default y
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config BT_HCIUART_H4
bool "UART (H4) protocol support"
depends on BT_HCIUART
help
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UART (H4) is serial protocol for communication between Bluetooth
device and host. This protocol is required for most Bluetooth devices
with UART interface, including PCMCIA and CF cards.
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Say Y here to compile support for HCI UART (H4) protocol.
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config BT_HCIUART_NOKIA
tristate "UART Nokia H4+ protocol support"
depends on BT_HCIUART
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depends on BT_HCIUART_SERDEV
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depends on GPIOLIB
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depends on PM
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select BT_HCIUART_H4
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select BT_BCM
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help
Nokia H4+ is serial protocol for communication between Bluetooth
device and host. This protocol is required for Bluetooth devices
with UART interface in Nokia devices.
Say Y here to compile support for Nokia's H4+ protocol.
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config BT_HCIUART_BCSP
bool "BCSP protocol support"
depends on BT_HCIUART
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select BITREVERSE
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help
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BCSP (BlueCore Serial Protocol) is serial protocol for communication
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between Bluetooth device and host. This protocol is required for non
USB Bluetooth devices based on CSR BlueCore chip, including PCMCIA and
CF cards.
Say Y here to compile support for HCI BCSP protocol.
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config BT_HCIUART_ATH3K
bool "Atheros AR300x serial support"
depends on BT_HCIUART
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select BT_HCIUART_H4
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help
HCIATH3K (HCI Atheros AR300x) is a serial protocol for
communication between host and Atheros AR300x Bluetooth devices.
This protocol enables AR300x chips to be enabled with
power management support.
Enable this if you have Atheros AR300x serial Bluetooth device.
Say Y here to compile support for HCI UART ATH3K protocol.
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config BT_HCIUART_LL
bool "HCILL protocol support"
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depends on BT_HCIUART_SERDEV
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select BT_HCIUART_H4
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help
HCILL (HCI Low Level) is a serial protocol for communication
between Bluetooth device and host. This protocol is required for
serial Bluetooth devices that are based on Texas Instruments'
BRF chips.
Say Y here to compile support for HCILL protocol.
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config BT_HCIUART_3WIRE
bool "Three-wire UART (H5) protocol support"
depends on BT_HCIUART
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depends on BT_HCIUART_SERDEV
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help
The HCI Three-wire UART Transport Layer makes it possible to
user the Bluetooth HCI over a serial port interface. The HCI
Three-wire UART Transport Layer assumes that the UART
communication may have bit errors, overrun errors or burst
errors and thereby making CTS/RTS lines unnecessary.
Say Y here to compile support for Three-wire UART protocol.
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config BT_HCIUART_INTEL
bool "Intel protocol support"
depends on BT_HCIUART
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depends on GPIOLIB
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select BT_HCIUART_H4
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select BT_INTEL
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help
The Intel protocol support enables Bluetooth HCI over serial
port interface for Intel Bluetooth controllers.
Say Y here to compile support for Intel protocol.
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config BT_HCIUART_BCM
bool "Broadcom protocol support"
depends on BT_HCIUART
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depends on BT_HCIUART_SERDEV
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depends on (!ACPI || SERIAL_DEV_CTRL_TTYPORT)
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depends on GPIOLIB
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select BT_HCIUART_H4
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select BT_BCM
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help
The Broadcom protocol support enables Bluetooth HCI over serial
port interface for Broadcom Bluetooth controllers.
Say Y here to compile support for Broadcom protocol.
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config BT_HCIUART_QCA
bool "Qualcomm Atheros protocol support"
depends on BT_HCIUART
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depends on BT_HCIUART_SERDEV
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select BT_HCIUART_H4
select BT_QCA
help
The Qualcomm Atheros protocol supports HCI In-Band Sleep feature
over serial port interface(H4) between controller and host.
This protocol is required for UART clock control for QCA Bluetooth
devices.
Say Y here to compile support for QCA protocol.
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config BT_HCIUART_AG6XX
bool "Intel AG6XX protocol support"
depends on BT_HCIUART
select BT_HCIUART_H4
select BT_INTEL
help
The Intel/AG6XX protocol support enables Bluetooth HCI over serial
port interface for Intel ibt 2.1 Bluetooth controllers.
Say Y here to compile support for Intel AG6XX protocol.
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config BT_HCIUART_MRVL
bool "Marvell protocol support"
depends on BT_HCIUART
select BT_HCIUART_H4
help
Marvell is serial protocol for communication between Bluetooth
device and host. This protocol is required for most Marvell Bluetooth
devices with UART interface.
Say Y here to compile support for HCI MRVL protocol.
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config BT_HCIBCM203X
tristate "HCI BCM203x USB driver"
depends on USB
select FW_LOADER
help
Bluetooth HCI BCM203x USB driver.
This driver provides the firmware loading mechanism for the Broadcom
Blutonium based devices.
Say Y here to compile support for HCI BCM203x devices into the
kernel or say M to compile it as module (bcm203x).
config BT_HCIBPA10X
tristate "HCI BPA10x USB driver"
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depends on USB
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help
Bluetooth HCI BPA10x USB driver.
This driver provides support for the Digianswer BPA 100/105 Bluetooth
sniffer devices.
Say Y here to compile support for HCI BPA10x devices into the
kernel or say M to compile it as module (bpa10x).
config BT_HCIBFUSB
tristate "HCI BlueFRITZ! USB driver"
depends on USB
select FW_LOADER
help
Bluetooth HCI BlueFRITZ! USB driver.
This driver provides support for Bluetooth USB devices with AVM
interface:
AVM BlueFRITZ! USB
Say Y here to compile support for HCI BFUSB devices into the
kernel or say M to compile it as module (bfusb).
config BT_HCIDTL1
tristate "HCI DTL1 (PC Card) driver"
depends on PCMCIA
help
Bluetooth HCI DTL1 (PC Card) driver.
This driver provides support for Bluetooth PCMCIA devices with
Nokia DTL1 interface:
Nokia Bluetooth Card
Socket Bluetooth CF Card
Say Y here to compile support for HCI DTL1 devices into the
kernel or say M to compile it as module (dtl1_cs).
config BT_HCIBT3C
tristate "HCI BT3C (PC Card) driver"
depends on PCMCIA
select FW_LOADER
help
Bluetooth HCI BT3C (PC Card) driver.
This driver provides support for Bluetooth PCMCIA devices with
3Com BT3C interface:
3Com Bluetooth Card (3CRWB6096)
HP Bluetooth Card
Say Y here to compile support for HCI BT3C devices into the
kernel or say M to compile it as module (bt3c_cs).
config BT_HCIBLUECARD
tristate "HCI BlueCard (PC Card) driver"
depends on PCMCIA
help
Bluetooth HCI BlueCard (PC Card) driver.
This driver provides support for Bluetooth PCMCIA devices with
Anycom BlueCard interface:
Anycom Bluetooth PC Card
Anycom Bluetooth CF Card
Say Y here to compile support for HCI BlueCard devices into the
kernel or say M to compile it as module (bluecard_cs).
config BT_HCIVHCI
tristate "HCI VHCI (Virtual HCI device) driver"
help
Bluetooth Virtual HCI device driver.
This driver is required if you want to use HCI Emulation software.
Say Y here to compile support for virtual HCI devices into the
kernel or say M to compile it as module (hci_vhci).
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config BT_MRVL
tristate "Marvell Bluetooth driver support"
help
The core driver to support Marvell Bluetooth devices.
This driver is required if you want to support
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Marvell Bluetooth devices, such as 8688/8787/8797/8887/8897/8997.
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Say Y here to compile Marvell Bluetooth driver
into the kernel or say M to compile it as module.
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config BT_MRVL_SDIO
tristate "Marvell BT-over-SDIO driver"
depends on BT_MRVL && MMC
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select FW_LOADER
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select WANT_DEV_COREDUMP
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help
The driver for Marvell Bluetooth chipsets with SDIO interface.
This driver is required if you want to use Marvell Bluetooth
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devices with SDIO interface. Currently SD8688/SD8787/SD8797/SD8887/SD8897/SD8997
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chipsets are supported.
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Say Y here to compile support for Marvell BT-over-SDIO driver
into the kernel or say M to compile it as module.
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config BT_ATH3K
tristate "Atheros firmware download driver"
depends on BT_HCIBTUSB
select FW_LOADER
help
Bluetooth firmware download driver.
This driver loads the firmware into the Atheros Bluetooth
chipset.
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2010-01-06 16:34:15 +03:00
Say Y here to compile support for "Atheros firmware download driver"
into the kernel or say M to compile it as module (ath3k).
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config BT_WILINK
tristate "Texas Instruments WiLink7 driver"
depends on TI_ST
help
This enables the Bluetooth driver for Texas Instrument's BT/FM/GPS
combo devices. This makes use of shared transport line discipline
core driver to communicate with the BT core of the combo chip.
Say Y here to compile support for Texas Instrument's WiLink7 driver
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into the kernel or say M to compile it as module (btwilink).
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config BT_MTKUART
tristate "MediaTek HCI UART driver"
depends on SERIAL_DEV_BUS
help
MediaTek Bluetooth HCI UART driver.
This driver is required if you want to use MediaTek Bluetooth
with serial interface.
Say Y here to compile support for MediaTek Bluetooth UART devices
into the kernel or say M to compile it as module (btmtkuart).
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config BT_QCOMSMD
tristate "Qualcomm SMD based HCI support"
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depends on RPMSG || (COMPILE_TEST && RPMSG=n)
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depends on QCOM_WCNSS_CTRL || (COMPILE_TEST && QCOM_WCNSS_CTRL=n)
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select BT_QCA
help
Qualcomm SMD based HCI driver.
This driver is used to bridge HCI data onto the shared memory
channels to the WCNSS core.
Say Y here to compile support for HCI over Qualcomm SMD into the
kernel or say M to compile as a module.
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config BT_HCIRSI
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tristate
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help
Redpine BT driver.
This driver handles BT traffic from upper layers and pass
to the RSI_91x coex module for further scheduling to device
Say Y here to compile support for HCI over Redpine into the
kernel or say M to compile as a module.
2010-01-06 16:34:15 +03:00
endmenu
