while COMPILE_TEST is y and MAILBOX is n, build fails: ERROR: modpost: "mbox_request_channel_byname" [drivers/media/platform/amphion/amphion-vpu.ko] undefined! ERROR: modpost: "mbox_free_channel" [drivers/media/platform/amphion/amphion-vpu.ko] undefined! ERROR: modpost: "mbox_send_message" [drivers/media/platform/amphion/amphion-vpu.ko] undefined! Adding a MAILBOX dependency in VIDEO_AMPHION_VPU to fix this. Fixes: 52b3a219dd4a ("media: platform: amphion: move config to its own file") Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx> --- drivers/media/platform/amphion/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/platform/amphion/Kconfig b/drivers/media/platform/amphion/Kconfig index 6eea97b7063a..4a363e07ccc9 100644 --- a/drivers/media/platform/amphion/Kconfig +++ b/drivers/media/platform/amphion/Kconfig @@ -7,7 +7,7 @@ config VIDEO_AMPHION_VPU depends on V4L_MEM2MEM_DRIVERS depends on ARCH_MXC || COMPILE_TEST depends on MEDIA_SUPPORT - depends on VIDEO_DEV + depends on VIDEO_DEV && MAILBOX select MEDIA_CONTROLLER select V4L2_MEM2MEM_DEV select VIDEOBUF2_DMA_CONTIG -- 2.17.1