When CONFIG_PCI is disabled, the definitions for isa_io_base, isa_mem_base and pci_dram_offset are entirely unused, but they can result in link failure because they are defined in multiple places. The easiest fix is to just remove all these definitions. Signed-off-by: Arnd Bergmann Index: linux-2.6/arch/powerpc/platforms/83xx/mpc8313_rdb.c =================================================================== --- linux-2.6.orig/arch/powerpc/platforms/83xx/mpc8313_rdb.c +++ linux-2.6/arch/powerpc/platforms/83xx/mpc8313_rdb.c @@ -28,11 +28,6 @@ #define DBG(fmt...) #endif -#ifndef CONFIG_PCI -unsigned long isa_io_base = 0; -unsigned long isa_mem_base = 0; -#endif - /* ************************************************************************ * * Setup the architecture Index: linux-2.6/arch/powerpc/platforms/83xx/mpc832x_mds.c =================================================================== --- linux-2.6.orig/arch/powerpc/platforms/83xx/mpc832x_mds.c +++ linux-2.6/arch/powerpc/platforms/83xx/mpc832x_mds.c @@ -49,11 +49,6 @@ #define DBG(fmt...) #endif -#ifndef CONFIG_PCI -unsigned long isa_io_base = 0; -unsigned long isa_mem_base = 0; -#endif - static u8 *bcsr_regs = NULL; /* ************************************************************************ Index: linux-2.6/arch/powerpc/platforms/83xx/mpc832x_rdb.c =================================================================== --- linux-2.6.orig/arch/powerpc/platforms/83xx/mpc832x_rdb.c +++ linux-2.6/arch/powerpc/platforms/83xx/mpc832x_rdb.c @@ -32,11 +32,6 @@ #define DBG(fmt...) #endif -#ifndef CONFIG_PCI -unsigned long isa_io_base = 0; -unsigned long isa_mem_base = 0; -#endif - /* ************************************************************************ * * Setup the architecture Index: linux-2.6/arch/powerpc/platforms/83xx/mpc834x_itx.c =================================================================== --- linux-2.6.orig/arch/powerpc/platforms/83xx/mpc834x_itx.c +++ linux-2.6/arch/powerpc/platforms/83xx/mpc834x_itx.c @@ -38,11 +38,6 @@ #include "mpc83xx.h" -#ifndef CONFIG_PCI -unsigned long isa_io_base = 0; -unsigned long isa_mem_base = 0; -#endif - /* ************************************************************************ * * Setup the architecture Index: linux-2.6/arch/powerpc/platforms/83xx/mpc834x_mds.c =================================================================== --- linux-2.6.orig/arch/powerpc/platforms/83xx/mpc834x_mds.c +++ linux-2.6/arch/powerpc/platforms/83xx/mpc834x_mds.c @@ -38,11 +38,6 @@ #include "mpc83xx.h" -#ifndef CONFIG_PCI -unsigned long isa_io_base = 0; -unsigned long isa_mem_base = 0; -#endif - #define BCSR5_INT_USB 0x02 /* Note: This is only for PB, not for PB+PIB * On PB only port0 is connected using ULPI */ Index: linux-2.6/arch/powerpc/platforms/83xx/mpc836x_mds.c =================================================================== --- linux-2.6.orig/arch/powerpc/platforms/83xx/mpc836x_mds.c +++ linux-2.6/arch/powerpc/platforms/83xx/mpc836x_mds.c @@ -55,11 +55,6 @@ #define DBG(fmt...) #endif -#ifndef CONFIG_PCI -unsigned long isa_io_base = 0; -unsigned long isa_mem_base = 0; -#endif - static u8 *bcsr_regs = NULL; /* ************************************************************************ Index: linux-2.6/arch/powerpc/platforms/85xx/mpc85xx_ads.c =================================================================== --- linux-2.6.orig/arch/powerpc/platforms/85xx/mpc85xx_ads.c +++ linux-2.6/arch/powerpc/platforms/85xx/mpc85xx_ads.c @@ -38,11 +38,6 @@ #include #endif -#ifndef CONFIG_PCI -unsigned long isa_io_base = 0; -unsigned long isa_mem_base = 0; -#endif - #ifdef CONFIG_PCI static int mpc85xx_exclude_device(u_char bus, u_char devfn) { Index: linux-2.6/arch/powerpc/platforms/85xx/mpc85xx_cds.c =================================================================== --- linux-2.6.orig/arch/powerpc/platforms/85xx/mpc85xx_cds.c +++ linux-2.6/arch/powerpc/platforms/85xx/mpc85xx_cds.c @@ -47,11 +47,6 @@ #include #include "mpc85xx.h" -#ifndef CONFIG_PCI -unsigned long isa_io_base = 0; -unsigned long isa_mem_base = 0; -#endif - static int cds_pci_slot = 2; static volatile u8 *cadmus; Index: linux-2.6/arch/powerpc/platforms/85xx/mpc85xx_mds.c =================================================================== --- linux-2.6.orig/arch/powerpc/platforms/85xx/mpc85xx_mds.c +++ linux-2.6/arch/powerpc/platforms/85xx/mpc85xx_mds.c @@ -59,11 +59,6 @@ #define DBG(fmt...) #endif -#ifndef CONFIG_PCI -unsigned long isa_io_base = 0; -unsigned long isa_mem_base = 0; -#endif - /* ************************************************************************ * * Setup the architecture Index: linux-2.6/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c =================================================================== --- linux-2.6.orig/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c +++ linux-2.6/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c @@ -44,13 +44,6 @@ #define DBG(fmt...) do { } while(0) #endif -#ifndef CONFIG_PCI -unsigned long isa_io_base = 0; -unsigned long isa_mem_base = 0; -unsigned long pci_dram_offset = 0; -#endif - - #ifdef CONFIG_PCI static void mpc86xx_8259_cascade(unsigned int irq, struct irq_desc *desc) { Index: linux-2.6/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c =================================================================== --- linux-2.6.orig/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c +++ linux-2.6/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c @@ -54,12 +54,6 @@ #define MPC7448HPC2_PCI_CFG_PHYS 0xfb000000 -#ifndef CONFIG_PCI -isa_io_base = MPC7448_HPC2_ISA_IO_BASE; -isa_mem_base = MPC7448_HPC2_ISA_MEM_BASE; -pci_dram_offset = MPC7448_HPC2_PCI_MEM_OFFSET; -#endif - extern void _nmask_and_or_msr(unsigned long nmask, unsigned long or_val); int mpc7448_hpc2_exclude_device(u_char bus, u_char devfn) Index: linux-2.6/include/asm-powerpc/mpc86xx.h =================================================================== --- linux-2.6.orig/include/asm-powerpc/mpc86xx.h +++ linux-2.6/include/asm-powerpc/mpc86xx.h @@ -19,12 +19,6 @@ #ifdef CONFIG_PPC_86xx -#define _IO_BASE isa_io_base -#define _ISA_MEM_BASE isa_mem_base -#ifdef CONFIG_PCI -#define PCI_DRAM_OFFSET pci_dram_offset -#endif - #define CPU0_BOOT_RELEASE 0x01000000 #define CPU1_BOOT_RELEASE 0x02000000 #define CPU_ALL_RELEASED (CPU0_BOOT_RELEASE | CPU1_BOOT_RELEASE) --