carl9170: export HW random number generator

[mv-sheeva.git] / drivers / net / wireless / ath / carl9170 / Kconfig

diff --git a/drivers/net/wireless/ath/carl9170/Kconfig b/drivers/net/wireless/ath/carl9170/Kconfig
index 2d1b821b440d6ebda30969fd240c07fbee3ce12b..267d5dcf82dc61b5e992a524338965a29f979c56 100644 (file)
--- a/drivers/net/wireless/ath/carl9170/Kconfig
+++ b/drivers/net/wireless/ath/carl9170/Kconfig
@@ -39,3 +39,17 @@ config CARL9170_WPC
        bool
        depends on CARL9170 && (INPUT = y || INPUT = CARL9170)
        default y
+
+config CARL9170_HWRNG
+        bool "Random number generator"
+        depends on CARL9170 && (HW_RANDOM = y || HW_RANDOM = CARL9170)
+        default n
+       help
+         Provides a hardware random number generator to the kernel.
+
+         SECURITY WARNING: It's relatively easy to eavesdrop all
+         generated random numbers from the transport stream with
+         usbmon [software] or special usb sniffer hardware.
+
+         Say N, unless your setup[i.e.: embedded system] has no
+         other rng source and you can afford to take the risk.