ath9k: feeding entropy in kernel from ADC capture

[mirror_ubuntu-zesty-kernel.git] / drivers / net / wireless / ath / ath9k / Kconfig

diff --git a/drivers/net/wireless/ath/ath9k/Kconfig b/drivers/net/wireless/ath/ath9k/Kconfig
index fee0cadb0f5ed592fba313f1040b2e1f5ed1ebde..40fa915d6f3571ec7c00c9395b0ac223adcf09ea 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/Kconfig
+++ b/drivers/net/wireless/ath/ath9k/Kconfig
@@ -176,3 +176,14 @@ config ATH9K_HTC_DEBUGFS
        depends on ATH9K_HTC && DEBUG_FS
        ---help---
          Say Y, if you need access to ath9k_htc's statistics.
+
+config ATH9K_HWRNG
+       bool "Random number generator support"
+       depends on ATH9K && (HW_RANDOM = y || HW_RANDOM = ATH9K)
+       default y
+       ---help---
+         This option incorporates the ADC register output as a source of
+         randomness into Linux entropy pool (/dev/urandom and /dev/random)
+
+         Say Y, feeds the entropy directly from the WiFi driver to the input
+         pool.