From: Arnd Bergmann <arnd@arndb.de>
Date: Sun, 3 Jan 2021 21:36:22 +0000 (+0100)
Subject: misdn: dsp: select CONFIG_BITREVERSE
X-Git-Tag: v4.4.253~23
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c8ebb9a2b052192731b63cddea16871085060720;p=thirdparty%2Fkernel%2Fstable.git

misdn: dsp: select CONFIG_BITREVERSE

[ Upstream commit 51049bd903a81307f751babe15a1df8d197884e8 ]

Without this, we run into a link error

arm-linux-gnueabi-ld: drivers/isdn/mISDN/dsp_audio.o: in function `dsp_audio_generate_law_tables':
(.text+0x30c): undefined reference to `byte_rev_table'
arm-linux-gnueabi-ld: drivers/isdn/mISDN/dsp_audio.o:(.text+0x5e4): more undefined references to `byte_rev_table' follow

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/drivers/isdn/mISDN/Kconfig b/drivers/isdn/mISDN/Kconfig
index c0730d5c734d6..fb61181a5c4f7 100644
--- a/drivers/isdn/mISDN/Kconfig
+++ b/drivers/isdn/mISDN/Kconfig
@@ -12,6 +12,7 @@ if MISDN != n
 config MISDN_DSP
 	tristate "Digital Audio Processing of transparent data"
 	depends on MISDN
+	select BITREVERSE
 	help
 	  Enable support for digital audio processing capability.