1# SPDX-License-Identifier: GPL-2.0-only 2config CARL9170 3 tristate "Linux Community AR9170 802.11n USB support" 4 depends on USB && MAC80211 5 select ATH_COMMON 6 select FW_LOADER 7 select CRC32 8 help 9 This is the mainline driver for the Atheros "otus" 802.11n USB devices. 10 11 It needs a special firmware (carl9170-1.fw), which can be downloaded 12 from our wiki here: 13 <https://wireless.wiki.kernel.org/en/users/Drivers/carl9170> 14 15 If you choose to build a module, it'll be called carl9170. 16 17config CARL9170_LEDS 18 bool "SoftLED Support" 19 depends on CARL9170 20 select MAC80211_LEDS 21 select LEDS_CLASS 22 select NEW_LEDS 23 default y 24 help 25 This option is necessary, if you want your device' LEDs to blink 26 27 Say Y, unless you need the LEDs for firmware debugging. 28 29config CARL9170_DEBUGFS 30 bool "DebugFS Support" 31 depends on CARL9170 && DEBUG_FS && MAC80211_DEBUGFS 32 default n 33 help 34 Export several driver and device internals to user space. 35 36 Say N. 37 38config CARL9170_WPC 39 bool 40 depends on CARL9170 && (INPUT = y || INPUT = CARL9170) 41 default y 42 43config CARL9170_HWRNG 44 bool "Random number generator" 45 depends on CARL9170 && (HW_RANDOM = y || HW_RANDOM = CARL9170) 46 default n 47 help 48 Provides a hardware random number generator to the kernel. 49 50 SECURITY WARNING: It's relatively easy to eavesdrop all 51 generated random numbers from the transport stream with 52 usbmon [software] or special usb sniffer hardware. 53 54 Say N, unless your setup[i.e.: embedded system] has no 55 other rng source and you can afford to take the risk. 56