On Friday, December 9, 2016 11:23:10 AM CET Bjorn Andersson wrote: > On Fri 09 Dec 03:47 PST 2016, Arnd Bergmann wrote: > > > The adsp-pil driver relies on SCM and causes a build error without it: > > > > ERROR: "qcom_scm_pas_supported" [drivers/remoteproc/qcom_adsp_pil.ko] undefined! > > ERROR: "qcom_scm_is_available" [drivers/remoteproc/qcom_adsp_pil.ko] undefined! > > ERROR: "qcom_scm_pas_auth_and_reset" [drivers/remoteproc/qcom_adsp_pil.ko] undefined! > > ERROR: "qcom_scm_pas_shutdown" [drivers/remoteproc/qcom_adsp_pil.ko] undefined! > > ERROR: "qcom_scm_pas_mem_setup" [drivers/remoteproc/qcom_adsp_pil.ko] undefined! > > ERROR: "qcom_scm_pas_init_image" [drivers/remoteproc/qcom_adsp_pil.ko] undefined! > > > > This adds a 'select', as SCM is a silent Kconfig symbol that gets > > enabled implicitly by all its users. > > > > Thanks, sorry for giving you the opportunity for finding all these odd > combinations. > > Are you aware of any projects aiming to catch these through e.g. > dependency analysis rather than random build testing (and my now growing > manual checklist)? I think there is one project that tries to identify impossible constraints in Kconfig, but that would not have caught cases like this one. Arnd -- To unsubscribe from this list: send the line "unsubscribe linux-remoteproc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html