linux-kernel - [PATCH] iio: adis16480: select CONFIG

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Message-Id: <20230131094616.130238-1-arnd@kernel.org>
Date:   Tue, 31 Jan 2023 10:46:11 +0100
From:   Arnd Bergmann <arnd@...nel.org>
To:     Jonathan Cameron <jic23@...nel.org>, Nuno Sa <nuno.sa@...log.com>,
        Lars-Peter Clausen <lars@...afoo.de>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Andrea Merello <andrea.merello@....it>,
        linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] iio: adis16480: select CONFIG_CRC32

From: Arnd Bergmann <arnd@...db.de>

In rare randconfig builds, the missing CRC32 helper causes
a link error:

ld.lld: error: undefined symbol: crc32_le
>>> referenced by usercopy_64.c
>>>               vmlinux.o:(adis16480_trigger_handler)

Fixes: 941f130881fa ("iio: adis16480: support burst read function")
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 drivers/iio/imu/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/iio/imu/Kconfig b/drivers/iio/imu/Kconfig
index f1d7d4b5e222..c2f97629e9cd 100644
--- a/drivers/iio/imu/Kconfig
+++ b/drivers/iio/imu/Kconfig
@@ -47,6 +47,7 @@ config ADIS16480
 	depends on SPI
 	select IIO_ADIS_LIB
 	select IIO_ADIS_LIB_BUFFER if IIO_BUFFER
+	select CRC32
 	help
 	  Say yes here to build support for Analog Devices ADIS16375, ADIS16480,
 	  ADIS16485, ADIS16488 inertial sensors.
-- 
2.39.0