[PATCH 1/2] fbdev: geode: don't build on UML

Randy Dunlap rdunlap at infradead.org
Wed Nov 30 21:55:44 UTC 2022


The geode fbdev driver uses struct cpuinfo fields that are not present
on ARCH=um, so don't allow this driver to be built on UML.

Prevents these build errors:

In file included from ../arch/x86/include/asm/olpc.h:7:0,
                 from ../drivers/mfd/cs5535-mfd.c:17:
../arch/x86/include/asm/geode.h: In function ‘is_geode_gx’:
../arch/x86/include/asm/geode.h:16:24: error: ‘struct cpuinfo_um’ has no member named ‘x86_vendor’
  return ((boot_cpu_data.x86_vendor == X86_VENDOR_NSC) &&
../arch/x86/include/asm/geode.h:16:39: error: ‘X86_VENDOR_NSC’ undeclared (first use in this function); did you mean ‘X86_VENDOR_ANY’?
  return ((boot_cpu_data.x86_vendor == X86_VENDOR_NSC) &&
../arch/x86/include/asm/geode.h:17:17: error: ‘struct cpuinfo_um’ has no member named ‘x86’
   (boot_cpu_data.x86 == 5) &&
../arch/x86/include/asm/geode.h:18:17: error: ‘struct cpuinfo_um’ has no member named ‘x86_model’
   (boot_cpu_data.x86_model == 5));
../arch/x86/include/asm/geode.h: In function ‘is_geode_lx’:
../arch/x86/include/asm/geode.h:23:24: error: ‘struct cpuinfo_um’ has no member named ‘x86_vendor’
  return ((boot_cpu_data.x86_vendor == X86_VENDOR_AMD) &&
../arch/x86/include/asm/geode.h:23:39: error: ‘X86_VENDOR_AMD’ undeclared (first use in this function); did you mean ‘X86_VENDOR_ANY’?
  return ((boot_cpu_data.x86_vendor == X86_VENDOR_AMD) &&
../arch/x86/include/asm/geode.h:24:17: error: ‘struct cpuinfo_um’ has no member named ‘x86’
   (boot_cpu_data.x86 == 5) &&
../arch/x86/include/asm/geode.h:25:17: error: ‘struct cpuinfo_um’ has no member named ‘x86_model’
   (boot_cpu_data.x86_model == 10));

Fixes: 68f5d3f3b654 ("um: add PCI over virtio emulation driver")
Signed-off-by: Randy Dunlap <rdunlap at infradead.org>
Cc: Johannes Berg <johannes at sipsolutions.net>
Cc: Richard Weinberger <richard at nod.at>
Cc: linux-um at lists.infradead.org
Cc: Daniel Vetter <daniel at ffwll.ch>
Cc: Helge Deller <deller at gmx.de>
Cc: linux-fbdev at vger.kernel.org
Cc: dri-devel at lists.freedesktop.org
Cc: Andres Salomon <dilinger at queued.net>
Cc: linux-geode at lists.infradead.org
---
 drivers/video/fbdev/geode/Kconfig |    1 +
 1 file changed, 1 insertion(+)

diff -- a/drivers/video/fbdev/geode/Kconfig b/drivers/video/fbdev/geode/Kconfig
--- a/drivers/video/fbdev/geode/Kconfig
+++ b/drivers/video/fbdev/geode/Kconfig
@@ -5,6 +5,7 @@
 config FB_GEODE
 	bool "AMD Geode family framebuffer support"
 	depends on FB && PCI && (X86_32 || (X86 && COMPILE_TEST))
+	depends on !UML
 	help
 	  Say 'Y' here to allow you to select framebuffer drivers for
 	  the AMD Geode family of processors.


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