hw_random doc updates

[sfrench/cifs-2.6.git] / drivers / char / hw_random / Kconfig

diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig
index 5f3acd8e64b86d9e6ac8e685b61329322aada8c6..8d6c2089d2a8480bf1829d0b3d24bca959b22a31 100644 (file)
--- 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.
 
@@ -41,7 +48,7 @@ config HW_RANDOM_AMD
 
 config HW_RANDOM_GEODE
        tristate "AMD Geode HW Random Number Generator support"
-       depends on HW_RANDOM && X86 && PCI
+       depends on HW_RANDOM && X86_32 && PCI
        default HW_RANDOM
        ---help---
          This driver provides kernel-side support for the Random Number
@@ -91,3 +98,17 @@ config HW_RANDOM_OMAP
          module will be called omap-rng.
 
          If unsure, say Y.
+
+config HW_RANDOM_PASEMI
+       tristate "PA Semi HW Random Number Generator support"
+       depends on HW_RANDOM && PPC_PASEMI
+       default HW_RANDOM
+       ---help---
+         This driver provides kernel-side support for the Random Number
+         Generator hardware found on PA Semi PWRficient SoCs.
+
+         To compile this driver as a module, choose M here: the
+         module will be called pasemi-rng.
+
+         If unsure, say Y.
+