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| author | Jeremy Kerr | 2017-06-06 23:08:39 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2017-06-09 11:52:07 +0200 |
| commit | 0cbaa44841db3d06d2a21ae4ab679882033f3dbe (patch) | |
| tree | c400ed524386505865c81fe8f11396f98e529c48 /lib/Kconfig | |
| parent | drivers/fsi: Add empty master scan (diff) | |
| download | kernel-qcow2-linux-0cbaa44841db3d06d2a21ae4ab679882033f3dbe.tar.gz kernel-qcow2-linux-0cbaa44841db3d06d2a21ae4ab679882033f3dbe.tar.xz kernel-qcow2-linux-0cbaa44841db3d06d2a21ae4ab679882033f3dbe.zip | |
lib: Add crc4 module
Add a little helper for crc4 calculations. This works 4-bits-at-a-time,
using a simple table approach.
We will need this in the FSI core code, as well as any master
implementations that need to calculate CRCs in software.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Chris Bostic <cbostic@linux.vnet.ibm.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'lib/Kconfig')
| -rw-r--r-- | lib/Kconfig | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/Kconfig b/lib/Kconfig index 0c8b78a9ae2e..d2fd2623721e 100644 --- a/lib/Kconfig +++ b/lib/Kconfig @@ -158,6 +158,14 @@ config CRC32_BIT endchoice +config CRC4 + tristate "CRC4 functions" + help + This option is provided for the case where no in-kernel-tree + modules require CRC4 functions, but a module built outside + the kernel tree does. Such modules that use library CRC4 + functions require M here. + config CRC7 tristate "CRC7 functions" help |