When the mailbox subsystem is disabled, the driver fails to link, so add
an explicit dependency. Some other drivers use 'select' here, but the
dependency seems more logical and more common.
Fixes:
886bdf9c883bc ("soc: hisilicon: Support HCCS driver on Kunpeng SoC")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
config KUNPENG_HCCS
tristate "HCCS driver on Kunpeng SoC"
depends on ACPI
+ depends on MAILBOX
depends on ARM64 || COMPILE_TEST
help
The Huawei Cache Coherence System (HCCS) is a multi-chip