3.16.47-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Arnd Bergmann <[email protected]>

commit 34bf129a7f068e3108dbb051b4b05674e2a270e7 upstream.

While working on another build error, I ran into several variations of
this dependency loop:

subsection "Kconfig recursive dependency limitations"
drivers/input/Kconfig:8:        symbol INPUT is selected by VT
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
drivers/tty/Kconfig:12: symbol VT is selected by FB_STI
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
drivers/video/fbdev/Kconfig:677:        symbol FB_STI depends on FB
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
drivers/video/fbdev/Kconfig:5:  symbol FB is selected by DRM_KMS_FB_HELPER
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
drivers/gpu/drm/Kconfig:72:     symbol DRM_KMS_FB_HELPER is selected by 
DRM_KMS_CMA_HELPER
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
drivers/gpu/drm/Kconfig:137:    symbol DRM_KMS_CMA_HELPER is selected by 
DRM_HDLCD
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
drivers/gpu/drm/arm/Kconfig:6:  symbol DRM_HDLCD depends on OF
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
drivers/of/Kconfig:4:   symbol OF is selected by X86_INTEL_CE
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
arch/x86/Kconfig:523:   symbol X86_INTEL_CE depends on X86_IO_APIC
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
arch/x86/Kconfig:1011:  symbol X86_IO_APIC depends on X86_LOCAL_APIC
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
arch/x86/Kconfig:1005:  symbol X86_LOCAL_APIC depends on X86_UP_APIC
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
arch/x86/Kconfig:980:   symbol X86_UP_APIC depends on PCI_MSI
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
drivers/pci/Kconfig:11: symbol PCI_MSI is selected by AMD_IOMMU
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
drivers/iommu/Kconfig:106:      symbol AMD_IOMMU depends on IOMMU_SUPPORT
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
drivers/iommu/Kconfig:5:        symbol IOMMU_SUPPORT 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:183:       symbol ACPI_VIDEO is selected by INPUT

This doesn't currently show up as I fixed the 'THERMAL' part of it,
but I noticed that the FB_STI dependency should not be there but
was introduced by slightly incorrect bug-fix patch that tried to
fix a link error.

Instead of selecting 'VT' to make us enter the drivers/video/console
directory at compile-time, it's sufficient to build the
drivers/video/console/sticore.c file by adding its directory
to when CONFIG_FB_STI is enabled. Alternatively, we could move the
sticore code to another directory that is always built when we
have at STI_CONSOLE or FB_STI enabled.

Fixes: 17085a934592 ("parisc: stifb: should depend on STI_CONSOLE")
Signed-off-by: Arnd Bergmann <[email protected]>
Cc: Helge Deller <[email protected]>
Cc: "James E.J. Bottomley" <[email protected]>
Cc: Alexander Beregalov <[email protected]>
Signed-off-by: Bartlomiej Zolnierkiewicz <[email protected]>
Signed-off-by: Ben Hutchings <[email protected]>
---
 drivers/video/Makefile      | 1 +
 drivers/video/fbdev/Kconfig | 2 --
 2 files changed, 1 insertion(+), 2 deletions(-)

--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -2,6 +2,7 @@ obj-$(CONFIG_VGASTATE)            += vga
 obj-$(CONFIG_HDMI)                += hdmi.o
 
 obj-$(CONFIG_VT)                 += console/
+obj-$(CONFIG_FB_STI)             += console/
 obj-$(CONFIG_LOGO)               += logo/
 obj-y                            += backlight/
 
--- a/drivers/video/fbdev/Kconfig
+++ b/drivers/video/fbdev/Kconfig
@@ -650,8 +650,6 @@ config FB_STI
        select FB_CFB_FILLRECT
        select FB_CFB_COPYAREA
        select FB_CFB_IMAGEBLIT
-       select STI_CONSOLE
-       select VT
        default y
        ---help---
          STI refers to the HP "Standard Text Interface" which is a set of

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