Re: [2.6 patch] fix arch/i386/pci/Makefile

[Andrew Morton]

Adrian Bunk <bunk@xxxxxxxxx> wrote:
>
> I got the following compile error in 2.6.7-mm2 (but it doesn't seem to 
>  be specific to -mm2):
> ..
>  drivers/built-in.o(.text+0x6c24a): In function `acpi_pci_root_add':
>  : undefined reference to `pci_acpi_scan_root'
>  make: *** [.tmp_vmlinux1] Error 1

> 
>  This problem occurs with
>    CONFIG_ACPI_PCI=y && (CONFIG_X86_VISWS=y || CONFIG_X86_NUMAQ=y)
> 
> ....
>  --- linux-2.6.7-mm2-full/arch/i386/pci/Makefile.old	2004-06-25 02:08:29.000000000 +0200
>  +++ linux-2.6.7-mm2-full/arch/i386/pci/Makefile	2004-06-25 02:10:36.000000000 +0200
>  @@ -5,10 +5,11 @@
>   obj-$(CONFIG_PCI_DIRECT)	+= direct.o
>   
>   pci-y				:= fixup.o
>  -pci-$(CONFIG_ACPI_PCI)		+= acpi.o
>   pci-y				+= legacy.o irq.o
>   
>   pci-$(CONFIG_X86_VISWS)		:= visws.o fixup.o
>   pci-$(CONFIG_X86_NUMAQ)		:= numa.o irq.o
>   
>  +pci-$(CONFIG_ACPI_PCI)		+= acpi.o
>  +

This causes my e100 NIC to not work.  Some initcall ordering dependency,
presumably.  A whole bunch of devices popped up on different IRQs.

Come to think about it, how can the above patch fix that linkage error
anyway?
-
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