On 10/01/14 10:57, Jani Nikula wrote: > On Wed, 01 Oct 2014, Jim Davis <jim.epost@xxxxxxxxx> wrote: >> Building with the attached random configuration file, >> >> warning: (VIDEO_TIMBERDALE) selects TIMB_DMA which has unmet direct >> dependencies (DMADEVICES && MFD_TIMBERDALE) >> warning: (USB_OTG_FSM && FSL_USB2_OTG && USB_MV_OTG) selects USB_OTG >> which has unmet direct dependencies (USB_SUPPORT && USB && PM_RUNTIME) >> >> drivers/built-in.o: In function `intel_panel_setup_backlight': >> (.text+0x11855d): undefined reference to `backlight_device_register' >> drivers/built-in.o: In function `intel_panel_destroy_backlight': >> (.text+0x118624): undefined reference to `backlight_device_unregister' >> make: *** [vmlinux] Error 1 > > It's the combination: > >> CONFIG_DRM_I915=y >> CONFIG_BACKLIGHT_CLASS_DEVICE=m > > Not sure what the Kconfig magic spell needs to be when we don't want to > depend on CONFIG_BACKLIGHT_CLASS_DEVICE but we'll use it if it's enabled > (y or m). Something like: depends on BACKLIGHT_CLASS_DEVICE || BACKLIGHT_CLASS_DEVICE=n is what we usually use. -- ~Randy -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
