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-rw-r--r--drivers/char/hw_random/Kconfig9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig
index 6bbd4fa50f3b..8d6c2089d2a8 100644
--- a/drivers/char/hw_random/Kconfig
+++ b/drivers/char/hw_random/Kconfig
@@ -9,7 +9,14 @@ config HW_RANDOM
Hardware Random Number Generator Core infrastructure.
To compile this driver as a module, choose M here: the
- module will be called rng-core.
+ module will be called rng-core. This provides a device
+ that's usually called /dev/hw_random, and which exposes one
+ of possibly several hardware random number generators.
+
+ These hardware random number generators do not feed directly
+ into the kernel's random number generator. That is usually
+ handled by the "rngd" daemon. Documentation/hw_random.txt
+ has more information.
If unsure, say Y.