[PATCH] i386/x86-64: Make all early PCI scans dependent on CONFIG_PCI

This is useful on systems with broken PCI bus. Affects various
scans in x86-64 and i386's early ACPI quirk scan.

Cc: gregkh@suse.de
Cc: len.brown@intel.com
Cc: Trammell Hudson <hudson@osresearch.net>
Signed-off-by: Andi Kleen <ak@suse.de>

diff --git a/arch/i386/kernel/acpi/Makefile b/arch/i386/kernel/acpi/Makefile
index 7e9ac99..7f7be01 100644 (file)
--- a/arch/i386/kernel/acpi/Makefile
+++ b/arch/i386/kernel/acpi/Makefile
@@ -1,5 +1,7 @@
 obj-$(CONFIG_ACPI)             += boot.o
+ifneq ($(CONFIG_PCI),)
 obj-$(CONFIG_X86_IO_APIC)      += earlyquirk.o
+endif
 obj-$(CONFIG_ACPI_SLEEP)       += sleep.o wakeup.o
 
 ifneq ($(CONFIG_ACPI_PROCESSOR),)

diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c
index ea17567..7a99b13 100644 (file)
--- a/arch/i386/kernel/setup.c
+++ b/arch/i386/kernel/setup.c
@@ -1437,9 +1437,11 @@ void __init setup_arch(char **cmdline_p)
        acpi_boot_table_init();
 #endif
 
+#ifdef CONFIG_PCI
 #ifdef CONFIG_X86_IO_APIC
        check_acpi_pci();       /* Checks more than just ACPI actually */
 #endif
+#endif
 
 #ifdef CONFIG_ACPI
        acpi_boot_init();

diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig
index 1f42126..c2c68b9 100644 (file)
--- a/arch/x86_64/Kconfig
+++ b/arch/x86_64/Kconfig
@@ -105,6 +105,7 @@ config X86_PC
 
 config X86_VSMP
        bool "Support for ScaleMP vSMP"
+       depends on PCI
         help
          Support for ScaleMP vSMP systems.  Say 'Y' here if this kernel is
          supposed to run on these EM64T-based machines.  Only choose this option
@@ -291,7 +292,7 @@ config NUMA
 
 config K8_NUMA
        bool "Old style AMD Opteron NUMA detection"
-       depends on NUMA
+       depends on NUMA && PCI
        default y
        help
         Enable K8 NUMA node topology detection.  You should say Y here if

diff --git a/arch/x86_64/kernel/Makefile b/arch/x86_64/kernel/Makefile
index 000e67e..2466fbd 100644 (file)
--- a/arch/x86_64/kernel/Makefile
+++ b/arch/x86_64/kernel/Makefile
@@ -8,7 +8,7 @@ obj-y   := process.o signal.o entry.o traps.o irq.o \
                ptrace.o time.o ioport.o ldt.o setup.o i8259.o sys_x86_64.o \
                x8664_ksyms.o i387.o syscall.o vsyscall.o \
                setup64.o bootflag.o e820.o reboot.o quirks.o i8237.o \
-               pci-dma.o pci-nommu.o alternative.o early-quirks.o
+               pci-dma.o pci-nommu.o alternative.o
 
 obj-$(CONFIG_STACKTRACE)       += stacktrace.o
 obj-$(CONFIG_X86_MCE)         += mce.o
@@ -39,6 +39,7 @@ obj-$(CONFIG_K8_NB)           += k8.o
 obj-$(CONFIG_AUDIT)            += audit.o
 
 obj-$(CONFIG_MODULES)          += module.o
+obj-$(CONFIG_PCI)              += early-quirks.o
 
 obj-y                          += topology.o
 obj-y                          += intel_cacheinfo.o

diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c
index 26524ce..3d8309b 100644 (file)
--- a/arch/x86_64/kernel/setup.c
+++ b/arch/x86_64/kernel/setup.c
@@ -493,7 +493,9 @@ void __init setup_arch(char **cmdline_p)
 
        paging_init();
 
+#ifdef CONFIG_PCI
        early_quirks();
+#endif
 
        /*
         * set this early, so we dont allocate cpu0