[PATCH] console/font: Refactor font support code selection logic

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The current Makefile rules to build font support are messy and buggy.
Replace them by Kconfig rules:
  - Introduce CONFIG_FONT_SUPPORT, which controls the building of all font
    code,
  - Select CONFIG_FONT_SUPPORT for all drivers that use fonts,
  - Select CONFIG_FONT_8x16 for all drivers that default to the VGA8x16
    font,
  - Drop the bogus console dependency for CONFIG_VIDEO_VIVI.

This fixes (if CONFIG_SOLO6X10=y and there are no built-in console
drivers):

drivers/built-in.o: In function `solo_osd_print':
drivers/staging/media/solo6x10/solo6x10-enc.c:144: undefined reference to `.find_font'

Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
---
 drivers/media/platform/Kconfig         |    2 +-
 drivers/staging/media/solo6x10/Kconfig |    2 ++
 drivers/usb/misc/sisusbvga/Kconfig     |    1 +
 drivers/video/console/Kconfig          |   12 ++++++++++--
 drivers/video/console/Makefile         |   14 +++++---------
 5 files changed, 19 insertions(+), 12 deletions(-)

diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig
index 0cbe1ff..c1f29d5 100644
--- a/drivers/media/platform/Kconfig
+++ b/drivers/media/platform/Kconfig
@@ -220,7 +220,7 @@ if V4L_TEST_DRIVERS
 config VIDEO_VIVI
 	tristate "Virtual Video Driver"
 	depends on VIDEO_DEV && VIDEO_V4L2 && !SPARC32 && !SPARC64
-	depends on FRAMEBUFFER_CONSOLE || STI_CONSOLE
+	select FONT_SUPPORT
 	select FONT_8x16
 	select VIDEOBUF2_VMALLOC
 	default n
diff --git a/drivers/staging/media/solo6x10/Kconfig b/drivers/staging/media/solo6x10/Kconfig
index ec32776..b34bb6c 100644
--- a/drivers/staging/media/solo6x10/Kconfig
+++ b/drivers/staging/media/solo6x10/Kconfig
@@ -1,6 +1,8 @@
 config SOLO6X10
 	tristate "Softlogic 6x10 MPEG codec cards"
 	depends on PCI && VIDEO_DEV && SND && I2C
+	select FONT_SUPPORT
+	select FONT_8x16
 	select VIDEOBUF2_DMA_SG
 	select VIDEOBUF2_DMA_CONTIG
 	select SND_PCM
diff --git a/drivers/usb/misc/sisusbvga/Kconfig b/drivers/usb/misc/sisusbvga/Kconfig
index 0d03a52..36bc28c 100644
--- a/drivers/usb/misc/sisusbvga/Kconfig
+++ b/drivers/usb/misc/sisusbvga/Kconfig
@@ -2,6 +2,7 @@
 config USB_SISUSBVGA
 	tristate "USB 2.0 SVGA dongle support (Net2280/SiS315)"
 	depends on (USB_MUSB_HDRC || USB_EHCI_HCD)
+	select FONT_SUPPORT if USB_SISUSBVGA_CON
         ---help---
 	  Say Y here if you intend to attach a USB2VGA dongle based on a
 	  Net2280 and a SiS315 chip.
diff --git a/drivers/video/console/Kconfig b/drivers/video/console/Kconfig
index bc922c4..baf27dc 100644
--- a/drivers/video/console/Kconfig
+++ b/drivers/video/console/Kconfig
@@ -62,6 +62,7 @@ config MDA_CONSOLE
 config SGI_NEWPORT_CONSOLE
         tristate "SGI Newport Console support"
         depends on SGI_IP22 
+        select FONT_SUPPORT
         help
           Say Y here if you want the console on the Newport aka XL graphics
           card of your Indy.  Most people say Y here.
@@ -91,6 +92,7 @@ config FRAMEBUFFER_CONSOLE
 	tristate "Framebuffer Console support"
 	depends on FB
 	select CRC32
+	select FONT_SUPPORT
 	help
 	  Low-level framebuffer-based console driver.
 
@@ -123,12 +125,18 @@ config FRAMEBUFFER_CONSOLE_ROTATION
 config STI_CONSOLE
         bool "STI text console"
         depends on PARISC
+        select FONT_SUPPORT
         default y
         help
           The STI console is the builtin display/keyboard on HP-PARISC
           machines.  Say Y here to build support for it into your kernel.
           The alternative is to use your primary serial port as a console.
 
+config FONT_SUPPORT
+	tristate
+
+if FONT_SUPPORT
+
 config FONTS
 	bool "Select compiled-in fonts"
 	depends on FRAMEBUFFER_CONSOLE || STI_CONSOLE
@@ -158,7 +166,6 @@ config FONT_8x8
 
 config FONT_8x16
 	bool "VGA 8x16 font" if FONTS
-	depends on FRAMEBUFFER_CONSOLE || SGI_NEWPORT_CONSOLE || STI_CONSOLE || USB_SISUSBVGA_CON
 	default y if !SPARC && !FONTS
 	help
 	  This is the "high resolution" font for the VGA frame buffer (the one
@@ -226,7 +233,6 @@ config FONT_10x18
 
 config FONT_AUTOSELECT
 	def_bool y
-	depends on FRAMEBUFFER_CONSOLE || SGI_NEWPORT_CONSOLE || STI_CONSOLE || USB_SISUSBVGA_CON
 	depends on !FONT_8x8
 	depends on !FONT_6x11
 	depends on !FONT_7x14
@@ -238,5 +244,7 @@ config FONT_AUTOSELECT
 	depends on !FONT_10x18
 	select FONT_8x16
 
+endif # FONT_SUPPORT
+
 endmenu
 
diff --git a/drivers/video/console/Makefile b/drivers/video/console/Makefile
index a862e91..3a11b63 100644
--- a/drivers/video/console/Makefile
+++ b/drivers/video/console/Makefile
@@ -18,14 +18,14 @@ font-objs-$(CONFIG_FONT_MINI_4x6)  += font_mini_4x6.o
 
 font-objs += $(font-objs-y)
 
-# Each configuration option enables a list of files.
+obj-$(CONFIG_FONT_SUPPORT)         += font.o
 
 obj-$(CONFIG_DUMMY_CONSOLE)       += dummycon.o
-obj-$(CONFIG_SGI_NEWPORT_CONSOLE) += newport_con.o font.o
-obj-$(CONFIG_STI_CONSOLE)         += sticon.o sticore.o font.o
+obj-$(CONFIG_SGI_NEWPORT_CONSOLE) += newport_con.o
+obj-$(CONFIG_STI_CONSOLE)         += sticon.o sticore.o
 obj-$(CONFIG_VGA_CONSOLE)         += vgacon.o
 obj-$(CONFIG_MDA_CONSOLE)         += mdacon.o
-obj-$(CONFIG_FRAMEBUFFER_CONSOLE) += fbcon.o bitblit.o font.o softcursor.o
+obj-$(CONFIG_FRAMEBUFFER_CONSOLE) += fbcon.o bitblit.o softcursor.o
 ifeq ($(CONFIG_FB_TILEBLITTING),y)
 obj-$(CONFIG_FRAMEBUFFER_CONSOLE)     += tileblit.o
 endif
@@ -34,8 +34,4 @@ obj-$(CONFIG_FRAMEBUFFER_CONSOLE)     += fbcon_rotate.o fbcon_cw.o fbcon_ud.o \
                                          fbcon_ccw.o
 endif
 
-obj-$(CONFIG_FB_STI)              += sticore.o font.o
-
-ifeq ($(CONFIG_USB_SISUSBVGA_CON),y)
-obj-$(CONFIG_USB_SISUSBVGA)           += font.o
-endif
+obj-$(CONFIG_FB_STI)              += sticore.o
-- 
1.7.0.4

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