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Subject[PATCH 4.19 34/43] lightnvm: select CONFIG_CRC32
From: Arnd Bergmann <>

commit 19cd3403cb0d522dd5e10188eef85817de29e26e upstream.

Without CRC32 support, this fails to link:

arm-linux-gnueabi-ld: drivers/lightnvm/pblk-init.o: in function `pblk_init':
pblk-init.c:(.text+0x2654): undefined reference to `crc32_le'
arm-linux-gnueabi-ld: drivers/lightnvm/pblk-init.o: in function `pblk_exit':
pblk-init.c:(.text+0x2a7c): undefined reference to `crc32_le'

Fixes: a4bd217b4326 ("lightnvm: physical block device (pblk) target")
Signed-off-by: Arnd Bergmann <>
Signed-off-by: Jens Axboe <>
Signed-off-by: Greg Kroah-Hartman <>

drivers/lightnvm/Kconfig | 1 +
1 file changed, 1 insertion(+)

--- a/drivers/lightnvm/Kconfig
+++ b/drivers/lightnvm/Kconfig
@@ -19,6 +19,7 @@ if NVM

config NVM_PBLK
tristate "Physical Block Device Open-Channel SSD target"
+ select CRC32
Allows an open-channel SSD to be exposed as a block device to the
host. The target assumes the device exposes raw flash and must be

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