drivers: char: prerequisites for LRNG

b1ad3runn3r · Mar 23, 2022 · 3177ba0 · 3177ba0
1 parent b571cf9
commit 3177ba0
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diff --git a/MAINTAINERS b/MAINTAINERS
@@ -8549,6 +8549,13 @@ F:	Documentation/core-api/atomic_ops.rst
 F:	Documentation/core-api/refcount-vs-atomic.rst
 F:	Documentation/memory-barriers.txt
 
+LINUX RANDOM NUMBER GENERATOR (LRNG) DRIVER
+M:	Stephan Mueller <[email protected]>
+S:	Maintained
+W:	https://www.chronox.de/lrng.html
+F:	drivers/char/lrng/*
+F:	include/linux/lrng.h
+
 LIS3LV02D ACCELEROMETER DRIVER
 M:	Eric Piel <[email protected]>
 S:	Maintained

diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
@@ -660,3 +660,4 @@ config RANDOM_TRUST_BOOTLOADER
 	pool. Otherwise, say N here so it will be regarded as device input that
 	only mixes the entropy pool.
 
+source "drivers/char/lrng/Kconfig"
diff --git a/drivers/char/Makefile b/drivers/char/Makefile
@@ -3,7 +3,14 @@
 # Makefile for the kernel character device drivers.
 #
 
-obj-y				+= mem.o random.o
+obj-y				+= mem.o
+
+ifeq ($(CONFIG_LRNG),y)
+  obj-y				+= lrng/
+else
+  obj-y				+= random.o
+endif
+
 obj-$(CONFIG_TTY_PRINTK)	+= ttyprintk.o
 obj-y				+= misc.o
 obj-$(CONFIG_ATARI_DSP56K)	+= dsp56k.o
Original file line number	Diff line number	Diff line change
Expand Up		@@ -660,3 +660,4 @@ config RANDOM_TRUST_BOOTLOADER
		pool. Otherwise, say N here so it will be regarded as device input that
		only mixes the entropy pool.

		source "drivers/char/lrng/Kconfig"