In a future patch HAS_IOPORT=n will result in inb()/outb() and friends
not being declared. We thus need to add HAS_IOPORT as dependency for
those drivers using them and guard inline code in headers.

Co-developed-by: Arnd Bergmann <a...@kernel.org>
Signed-off-by: Niklas Schnelle <schne...@linux.ibm.com>
---
 drivers/video/fbdev/Kconfig | 25 +++++++++++++------------
 include/video/vga.h         |  8 ++++++++
 2 files changed, 21 insertions(+), 12 deletions(-)

diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig
index 93b8d84c34cf..e7d27c0602d5 100644
--- a/drivers/video/fbdev/Kconfig
+++ b/drivers/video/fbdev/Kconfig
@@ -343,7 +343,7 @@ config FB_IMX
 
 config FB_CYBER2000
        tristate "CyberPro 2000/2010/5000 support"
-       depends on FB && PCI && (BROKEN || !SPARC64)
+       depends on FB && PCI && HAS_IOPORT && (BROKEN || !SPARC64)
        select FB_CFB_FILLRECT
        select FB_CFB_COPYAREA
        select FB_CFB_IMAGEBLIT
@@ -436,6 +436,7 @@ config FB_FM2
 config FB_ARC
        tristate "Arc Monochrome LCD board support"
        depends on FB && (X86 || COMPILE_TEST)
+       depends on HAS_IOPORT
        select FB_SYS_FILLRECT
        select FB_SYS_COPYAREA
        select FB_SYS_IMAGEBLIT
@@ -1242,7 +1243,7 @@ config FB_RADEON_DEBUG
 
 config FB_ATY128
        tristate "ATI Rage128 display support"
-       depends on FB && PCI
+       depends on FB && PCI && HAS_IOPORT
        select FB_CFB_FILLRECT
        select FB_CFB_COPYAREA
        select FB_CFB_IMAGEBLIT
@@ -1265,7 +1266,7 @@ config FB_ATY128_BACKLIGHT
 
 config FB_ATY
        tristate "ATI Mach64 display support" if PCI || ATARI
-       depends on FB && !SPARC32
+       depends on FB && HAS_IOPORT && !SPARC32
        select FB_CFB_FILLRECT
        select FB_CFB_COPYAREA
        select FB_CFB_IMAGEBLIT
@@ -1315,7 +1316,7 @@ config FB_ATY_BACKLIGHT
 
 config FB_S3
        tristate "S3 Trio/Virge support"
-       depends on FB && PCI
+       depends on FB && PCI && HAS_IOPORT
        select FB_CFB_FILLRECT
        select FB_CFB_COPYAREA
        select FB_CFB_IMAGEBLIT
@@ -1374,7 +1375,7 @@ config FB_SAVAGE_ACCEL
 
 config FB_SIS
        tristate "SiS/XGI display support"
-       depends on FB && PCI
+       depends on FB && PCI && HAS_IOPORT
        select FB_CFB_FILLRECT
        select FB_CFB_COPYAREA
        select FB_CFB_IMAGEBLIT
@@ -1404,7 +1405,7 @@ config FB_SIS_315
 
 config FB_VIA
        tristate "VIA UniChrome (Pro) and Chrome9 display support"
-       depends on FB && PCI && GPIOLIB && I2C && (X86 || COMPILE_TEST)
+       depends on FB && PCI && GPIOLIB && I2C && HAS_IOPORT && (X86 || 
COMPILE_TEST)
        select FB_CFB_FILLRECT
        select FB_CFB_COPYAREA
        select FB_CFB_IMAGEBLIT
@@ -1442,7 +1443,7 @@ endif
 
 config FB_NEOMAGIC
        tristate "NeoMagic display support"
-       depends on FB && PCI
+       depends on FB && PCI && HAS_IOPORT
        select FB_MODE_HELPERS
        select FB_CFB_FILLRECT
        select FB_CFB_COPYAREA
@@ -1470,7 +1471,7 @@ config FB_KYRO
 
 config FB_3DFX
        tristate "3Dfx Banshee/Voodoo3/Voodoo5 display support"
-       depends on FB && PCI
+       depends on FB && PCI && HAS_IOPORT
        select FB_CFB_IMAGEBLIT
        select FB_CFB_FILLRECT
        select FB_CFB_COPYAREA
@@ -1518,7 +1519,7 @@ config FB_VOODOO1
 
 config FB_VT8623
        tristate "VIA VT8623 support"
-       depends on FB && PCI
+       depends on FB && PCI && HAS_IOPORT
        select FB_CFB_FILLRECT
        select FB_CFB_COPYAREA
        select FB_CFB_IMAGEBLIT
@@ -1532,7 +1533,7 @@ config FB_VT8623
 
 config FB_TRIDENT
        tristate "Trident/CyberXXX/CyberBlade support"
-       depends on FB && PCI
+       depends on FB && PCI && HAS_IOPORT
        select FB_CFB_FILLRECT
        select FB_CFB_COPYAREA
        select FB_CFB_IMAGEBLIT
@@ -1554,7 +1555,7 @@ config FB_TRIDENT
 
 config FB_ARK
        tristate "ARK 2000PV support"
-       depends on FB && PCI
+       depends on FB && PCI && HAS_IOPORT
        select FB_CFB_FILLRECT
        select FB_CFB_COPYAREA
        select FB_CFB_IMAGEBLIT
@@ -2226,7 +2227,7 @@ config FB_SSD1307
 
 config FB_SM712
        tristate "Silicon Motion SM712 framebuffer support"
-       depends on FB && PCI
+       depends on FB && PCI && HAS_IOPORT
        select FB_CFB_FILLRECT
        select FB_CFB_COPYAREA
        select FB_CFB_IMAGEBLIT
diff --git a/include/video/vga.h b/include/video/vga.h
index d334e64c1c19..53cb52c0fddb 100644
--- a/include/video/vga.h
+++ b/include/video/vga.h
@@ -201,18 +201,26 @@ extern int restore_vga(struct vgastate *state);
  
 static inline unsigned char vga_io_r (unsigned short port)
 {
+#ifdef CONFIG_HAS_IOPORT
        return inb_p(port);
+#else
+       return 0xff;
+#endif
 }
 
 static inline void vga_io_w (unsigned short port, unsigned char val)
 {
+#ifdef CONFIG_HAS_IOPORT
        outb_p(val, port);
+#endif
 }
 
 static inline void vga_io_w_fast (unsigned short port, unsigned char reg,
                                  unsigned char val)
 {
+#ifdef CONFIG_HAS_IOPORT
        outw(VGA_OUT16VAL (val, reg), port);
+#endif
 }
 
 static inline unsigned char vga_mm_r (void __iomem *regbase, unsigned short 
port)
-- 
2.32.0

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