The gb-beagleplay driver uses crc_ccitt(), so it should select CRC_CCITT to make sure that the function is available. Fixes these build errors: s390-linux-ld: drivers/greybus/gb-beagleplay.o: in function `hdlc_append_tx_u8': gb-beagleplay.c:(.text+0x2c0): undefined reference to `crc_ccitt' s390-linux-ld: drivers/greybus/gb-beagleplay.o: in function `hdlc_rx_frame': gb-beagleplay.c:(.text+0x6a0): undefined reference to `crc_ccitt' Fixes: ec558bbfea67 ("greybus: Add BeaglePlay Linux Driver") Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Cc: Ayush Singh <ayushdevel1325@xxxxxxxxx> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Cc: Johan Hovold <johan@xxxxxxxxxx> Cc: Alex Elder <elder@xxxxxxxxxx> Cc: greybus-dev@xxxxxxxxxxxxxxxx --- drivers/greybus/Kconfig | 1 + 1 file changed, 1 insertion(+) diff -- a/drivers/greybus/Kconfig b/drivers/greybus/Kconfig --- a/drivers/greybus/Kconfig +++ b/drivers/greybus/Kconfig @@ -20,6 +20,7 @@ if GREYBUS config GREYBUS_BEAGLEPLAY tristate "Greybus BeaglePlay driver" depends on SERIAL_DEV_BUS + select CRC_CCITT help Select this option if you have a BeaglePlay where CC1352 co-processor acts as Greybus SVC. _______________________________________________ greybus-dev mailing list -- greybus-dev@xxxxxxxxxxxxxxxx To unsubscribe send an email to greybus-dev-leave@xxxxxxxxxxxxxxxx