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Date:   Sun,  3 Jan 2021 22:43:09 +0100
From:   Arnd Bergmann <>
To:     Matias Bjorling <>, Jens Axboe <>,
        Matias Bjørling <>,
        Javier González <>
Cc:     Arnd Bergmann <>,,
Subject: [PATCH] lightnvm: select CONFIG_CRC32

From: Arnd Bergmann <>

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

diff --git a/drivers/lightnvm/Kconfig b/drivers/lightnvm/Kconfig
index 8f39f9ba5c80..4c2ce210c123 100644
--- 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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