Hi Stephen, Lucas, On Thu, 2017-11-30 at 10:53 +1100, Stephen Rothwell wrote: > Hi Lucas, > > On Tue, 28 Nov 2017 11:44:46 +1100 Stephen Rothwell <s...@canb.auug.org.au> > wrote: > > > > After merging the etnaviv tree, today's linux-next build (x86_64 > > allmodconfig) failed like this: > > > > drivers/gpu/drm/tve200/Kconfig:1:error: recursive dependency detected! > > For a resolution refer to Documentation/kbuild/kconfig-language.txt > > subsection "Kconfig recursive dependency limitations" > > drivers/gpu/drm/tve200/Kconfig:1: symbol DRM_TVE200 depends on CMA > > For a resolution refer to Documentation/kbuild/kconfig-language.txt > > subsection "Kconfig recursive dependency limitations" > > mm/Kconfig:489: symbol CMA is selected by DRM_ETNAVIV > > For a resolution refer to Documentation/kbuild/kconfig-language.txt > > subsection "Kconfig recursive dependency limitations" > > drivers/gpu/drm/etnaviv/Kconfig:2: symbol DRM_ETNAVIV depends on > > THERMAL > > For a resolution refer to Documentation/kbuild/kconfig-language.txt > > subsection "Kconfig recursive dependency limitations" > > drivers/thermal/Kconfig:5: symbol THERMAL is selected by ACPI_VIDEO > > For a resolution refer to Documentation/kbuild/kconfig-language.txt > > subsection "Kconfig recursive dependency limitations" > > drivers/acpi/Kconfig:189: symbol ACPI_VIDEO is selected by > > BACKLIGHT_CLASS_DEVICE > > For a resolution refer to Documentation/kbuild/kconfig-language.txt > > subsection "Kconfig recursive dependency limitations" > > drivers/video/backlight/Kconfig:158: symbol BACKLIGHT_CLASS_DEVICE is > > selected by DRM_PARADE_PS8622 > > For a resolution refer to Documentation/kbuild/kconfig-language.txt > > subsection "Kconfig recursive dependency limitations" > > drivers/gpu/drm/bridge/Kconfig:62: symbol DRM_PARADE_PS8622 depends on > > DRM_BRIDGE > > For a resolution refer to Documentation/kbuild/kconfig-language.txt > > subsection "Kconfig recursive dependency limitations" > > drivers/gpu/drm/bridge/Kconfig:1: symbol DRM_BRIDGE is selected by > > DRM_TVE200 > > warning: (PMAC_BACKLIGHT && DRM_NOUVEAU && HT16K33 && FB_TFT) selects > > FB_BACKLIGHT which has unmet direct dependencies (HAS_IOMEM && FB)
I have reproduced this and first tried to break the loop at the top by selecting CMA from DRM_TVE200 instead of depending on it: drivers/dma/Kconfig:5:error: recursive dependency detected! For a resolution refer to Documentation/kbuild/kconfig-language.txt subsection "Kconfig recursive dependency limitations" drivers/dma/Kconfig:5: symbol DMADEVICES is selected by CRYPTO_DEV_SP_CCP For a resolution refer to Documentation/kbuild/kconfig-language.txt subsection "Kconfig recursive dependency limitations" drivers/crypto/ccp/Kconfig:8: symbol CRYPTO_DEV_SP_CCP depends on CRYPTO For a resolution refer to Documentation/kbuild/kconfig-language.txt subsection "Kconfig recursive dependency limitations" crypto/Kconfig:16: symbol CRYPTO is selected by BIG_KEYS For a resolution refer to Documentation/kbuild/kconfig-language.txt subsection "Kconfig recursive dependency limitations" security/keys/Kconfig:44: symbol BIG_KEYS depends on TMPFS For a resolution refer to Documentation/kbuild/kconfig-language.txt subsection "Kconfig recursive dependency limitations" fs/Kconfig:139: symbol TMPFS is selected by DRM_ETNAVIV For a resolution refer to Documentation/kbuild/kconfig-language.txt subsection "Kconfig recursive dependency limitations" drivers/gpu/drm/etnaviv/Kconfig:2: symbol DRM_ETNAVIV depends on THERMAL For a resolution refer to Documentation/kbuild/kconfig-language.txt subsection "Kconfig recursive dependency limitations" drivers/thermal/Kconfig:5: symbol THERMAL is selected by ACPI_VIDEO For a resolution refer to Documentation/kbuild/kconfig-language.txt subsection "Kconfig recursive dependency limitations" drivers/acpi/Kconfig:189: symbol ACPI_VIDEO is selected by BACKLIGHT_CLASS_DEVICE For a resolution refer to Documentation/kbuild/kconfig-language.txt subsection "Kconfig recursive dependency limitations" drivers/video/backlight/Kconfig:158: symbol BACKLIGHT_CLASS_DEVICE is selected by FB_MX3 For a resolution refer to Documentation/kbuild/kconfig-language.txt subsection "Kconfig recursive dependency limitations" drivers/video/fbdev/Kconfig:2327: symbol FB_MX3 depends on MX3_IPU For a resolution refer to Documentation/kbuild/kconfig-language.txt subsection "Kconfig recursive dependency limitations" drivers/dma/Kconfig:387: symbol MX3_IPU depends on DMADEVICES I've sent a patch [1] instead to make THERMAL selectable via a Kconfig option. [1] https://patchwork.kernel.org/patch/10087265/ regards Philipp
