From: Sudeep Holla <sudeep.holla@xxxxxxx> [ Upstream commit ab7766b72855e6a68109b915d071181b93086e29 ] 0day CI kernel test robot reported following build error with randconfig aarch64-linux-ld: drivers/firmware/arm_scmi/driver.o:(.rodata+0x1e0): undefined reference to `scmi_mailbox_desc' Fix the error by adding CONFIG_MAILBOX dependency for scmi_mailbox_desc. Link: https://lore.kernel.org/r/20210603072631.1660963-1-sudeep.holla@xxxxxxx Cc: Etienne Carriere <etienne.carriere@xxxxxxxxxx> Cc: Cristian Marussi <cristian.marussi@xxxxxxx> Reviewed-by: Etienne Carriere <etienne.carriere@xxxxxxxxxx> Reviewed-by: Cristian Marussi <cristian.marussi@xxxxxxx> Tested-by: Cristian Marussi <cristian.marussi@xxxxxxx> Reported-by: kernel test robot <lkp@xxxxxxxxx> Signed-off-by: Sudeep Holla <sudeep.holla@xxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/firmware/arm_scmi/driver.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/firmware/arm_scmi/driver.c b/drivers/firmware/arm_scmi/driver.c index 6b2ce3f28f7b..7efbf66f117b 100644 --- a/drivers/firmware/arm_scmi/driver.c +++ b/drivers/firmware/arm_scmi/driver.c @@ -918,7 +918,9 @@ ATTRIBUTE_GROUPS(versions); /* Each compatible listed below must have descriptor associated with it */ static const struct of_device_id scmi_of_match[] = { +#ifdef CONFIG_MAILBOX { .compatible = "arm,scmi", .data = &scmi_mailbox_desc }, +#endif #ifdef CONFIG_HAVE_ARM_SMCCC_DISCOVERY { .compatible = "arm,scmi-smc", .data = &scmi_smc_desc}, #endif -- 2.30.2