jelle@companion /mnt/data/ipaq/linux/kernel26 $ make
make[1]: `arch/arm/kernel/asm-offsets.s' is up to date.
make[1]: `include/asm-arm/mach-types.h' is up to date.
  CHK     include/linux/compile.h
  CC      arch/arm/mach-pxa/h4000/h4000.o
  CC      arch/arm/mach-pxa/h4000/h4000_lcd.o
  LD      arch/arm/mach-pxa/h4000/built-in.o
  CC [M]  arch/arm/mach-pxa/h4000/h4000_ts.o
arch/arm/mach-pxa/h4000/h4000_ts.c:66:1: warning: "SSCR1_SPH" redefined
In file included from include/asm/arch/hardware.h:76,
                 from arch/arm/mach-pxa/h4000/h4000_ts.c:41:
include/asm/arch/pxa-regs.h:1519:1: warning: this is the location of the previous definition
arch/arm/mach-pxa/h4000/h4000_ts.c:68:1: warning: "SSCR1_LBM" redefined
include/asm/arch/pxa-regs.h:1517:1: warning: this is the location of the previous definition
arch/arm/mach-pxa/h4000/h4000_ts.c:69:1: warning: "SSCR1_TIE" redefined
include/asm/arch/pxa-regs.h:1516:1: warning: this is the location of the previous definition
arch/arm/mach-pxa/h4000/h4000_ts.c:70:1: warning: "SSCR1_RIE" redefined
include/asm/arch/pxa-regs.h:1515:1: warning: this is the location of the previous definition
arch/arm/mach-pxa/h4000/h4000_ts.c:72:1: warning: "SSSR_RNE" redefined
include/asm/arch/pxa-regs.h:1527:1: warning: this is the location of the previous definition
arch/arm/mach-pxa/h4000/h4000_ts.c:73:1: warning: "SSSR_BSY" redefined
include/asm/arch/pxa-regs.h:1528:1: warning: this is the location of the previous definition
  CC [M]  arch/arm/mach-pxa/h4000/h4000_led.o
arch/arm/mach-pxa/h4000/h4000_led.c:17:1: warning: "_IPAQ_ASIC3_LED_0_Base" redefined
In file included from arch/arm/mach-pxa/h4000/h4000_led.c:11:
include/asm/hardware/ipaq-asic3.h:136:1: warning: this is the location of the previous definition
arch/arm/mach-pxa/h4000/h4000_led.c:18:1: warning: "_IPAQ_ASIC3_LED_1_Base" redefined
include/asm/hardware/ipaq-asic3.h:137:1: warning: this is the location of the previous definition
  CC [M]  arch/arm/mach-pxa/h4000/h4000_buttons.o
arch/arm/mach-pxa/h4000/h4000_buttons.c:64: warning: `joyirqdesc' defined but not used
arch/arm/mach-pxa/h4000/h4000_buttons.c:82: warning: `joydecode' defined but not used
  CC [M]  arch/arm/mach-pxa/h4000/h4000_test.o
arch/arm/mach-pxa/h4000/h4000_test.c: In function `__exittest':
arch/arm/mach-pxa/h4000/h4000_test.c:27: warning: `return' with no value, in function returning non-void
/tmp/ccFkUqL8.s: Assembler messages:
/tmp/ccFkUqL8.s:26: Error: missing expression
make[2]: *** [arch/arm/mach-pxa/h4000/h4000_test.o] Error 1
make[1]: *** [arch/arm/mach-pxa/h4000] Error 2
make: *** [arch/arm/mach-pxa] Error 2