lib: add module support to crc32 tests

Extract the crc32 test code into its own source file, to allow to compile it either to a loadable module, or builtin into the kernel. Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Geert Uytterhoeven <[email protected]> Reviewed-by: Andy Shevchenko <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
tobetter · Feb 25, 2017 · 5fb7f87 · 5fb7f87
1 parent 738bc38
commit 5fb7f87
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Showing 4 changed files with 858 additions and 826 deletions.
diff --git a/lib/Kconfig b/lib/Kconfig
@@ -103,8 +103,7 @@ config CRC32
 	  functions require M here.
 
 config CRC32_SELFTEST
-	bool "CRC32 perform self test on init"
-	default n
+	tristate "CRC32 perform self test on init"
 	depends on CRC32
 	help
 	  This option enables the CRC32 library functions to perform a

diff --git a/lib/Makefile b/lib/Makefile
@@ -92,6 +92,7 @@ obj-$(CONFIG_CRC16)	+= crc16.o
 obj-$(CONFIG_CRC_T10DIF)+= crc-t10dif.o
 obj-$(CONFIG_CRC_ITU_T)	+= crc-itu-t.o
 obj-$(CONFIG_CRC32)	+= crc32.o
+obj-$(CONFIG_CRC32_SELFTEST)	+= crc32test.o
 obj-$(CONFIG_CRC7)	+= crc7.o
 obj-$(CONFIG_LIBCRC32C)	+= libcrc32c.o
 obj-$(CONFIG_CRC8)	+= crc8.o