ACPI core now requires crc32() but the kernel build can fail when CRC32 is not set/enabled, so select it in the ACPI Kconfig entry. Fixes this build error: ia64-linux-ld: drivers/acpi/scan.o: in function `acpi_store_pld_crc': include/acpi/platform/aclinuxex.h:62: undefined reference to `crc32_le' Fixes: 882c982dada4 ("acpi: Store CRC-32 hash of the _PLD in struct acpi_device") Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Reported-by: Guenter Roeck <linux@xxxxxxxxxxxx> Cc: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> Cc: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx> Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> --- drivers/acpi/Kconfig | 1 + 1 file changed, 1 insertion(+) --- linux-next-20220128.orig/drivers/acpi/Kconfig +++ linux-next-20220128/drivers/acpi/Kconfig @@ -11,6 +11,7 @@ menuconfig ACPI depends on ARCH_SUPPORTS_ACPI select PNP select NLS + select CRC32 default y if X86 help Advanced Configuration and Power Interface (ACPI) support for