20 files changed, 15 insertions, 40 deletions

diff --git a/arch/i386/defconfig b/arch/i386/defconfig
index f137a32634ac..1a387856c870 100644
--- a/arch/i386/defconfig
+++ b/arch/i386/defconfig
@@ -142,7 +142,6 @@ CONFIG_ACPI_THERMAL=y
 # CONFIG_ACPI_ASUS is not set
 # CONFIG_ACPI_TOSHIBA is not set
 # CONFIG_ACPI_DEBUG is not set
-CONFIG_ACPI_BUS=y
 CONFIG_ACPI_EC=y
 CONFIG_ACPI_POWER=y
 CONFIG_ACPI_PCI=y
diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c
index 84befaecedf8..552fc85691ac 100644
--- a/arch/i386/kernel/acpi/boot.c
+++ b/arch/i386/kernel/acpi/boot.c
@@ -408,8 +408,6 @@ acpi_parse_nmi_src(acpi_table_entry_header * header, const unsigned long end)
 
 #endif                          /* CONFIG_X86_IO_APIC */
 
-#ifdef  CONFIG_ACPI_BUS
-
 /*
  * acpi_pic_sci_set_trigger()
  * 
@@ -460,8 +458,6 @@ void __init acpi_pic_sci_set_trigger(unsigned int irq, u16 trigger)
         outb(new >> 8, 0x4d1);
 }
 
-#endif                          /* CONFIG_ACPI_BUS */
-
 int acpi_gsi_to_irq(u32 gsi, unsigned int *irq)
 {
 #ifdef CONFIG_X86_IO_APIC
@@ -637,12 +633,10 @@ static int __init acpi_parse_fadt(unsigned long phys, unsigned long size)
         /* initialize sci_int early for INT_SRC_OVR MADT parsing */
         acpi_fadt.sci_int = fadt->sci_int;
 
-#ifdef CONFIG_ACPI_BUS
         /* initialize rev and apic_phys_dest_mode for x86_64 genapic */
         acpi_fadt.revision = fadt->revision;
         acpi_fadt.force_apic_physical_destination_mode =
             fadt->force_apic_physical_destination_mode;
-#endif
 
 #ifdef CONFIG_X86_PM_TIMER
         /* detect the location of the ACPI PM Timer */
diff --git a/arch/i386/kernel/mpparse.c b/arch/i386/kernel/mpparse.c
index db90d141481d..97dbf289dbd5 100644
--- a/arch/i386/kernel/mpparse.c
+++ b/arch/i386/kernel/mpparse.c
@@ -1069,11 +1069,9 @@ int mp_register_gsi (u32 gsi, int edge_level, int active_high_low)
          */
         static int              gsi_to_irq[MAX_GSI_NUM];
 
-#ifdef CONFIG_ACPI_BUS
         /* Don't set up the ACPI SCI because it's already set up */
         if (acpi_fadt.sci_int == gsi)
                 return gsi;
-#endif
 
         ioapic = mp_find_ioapic(gsi);
         if (ioapic < 0) {
@@ -1116,13 +1114,11 @@ int mp_register_gsi (u32 gsi, int edge_level, int active_high_low)
                 if (gsi < MAX_GSI_NUM) {
                         if (gsi > 15)
                                 gsi = pci_irq++;
-#ifdef CONFIG_ACPI_BUS
                         /*
                          * Don't assign IRQ used by ACPI SCI
                          */
                         if (gsi == acpi_fadt.sci_int)
                                 gsi = pci_irq++;
-#endif
                         gsi_to_irq[irq] = gsi;
                 } else {
                         printk(KERN_ERR "GSI %u is too high\n", gsi);
diff --git a/arch/ia64/configs/bigsur_defconfig b/arch/ia64/configs/bigsur_defconfig
index 2c3ba6a6ec7f..996144e840d3 100644
--- a/arch/ia64/configs/bigsur_defconfig
+++ b/arch/ia64/configs/bigsur_defconfig
@@ -114,7 +114,6 @@ CONFIG_ACPI_PROCESSOR=m
 CONFIG_ACPI_THERMAL=m
 CONFIG_ACPI_BLACKLIST_YEAR=0
 # CONFIG_ACPI_DEBUG is not set
-CONFIG_ACPI_BUS=y
 CONFIG_ACPI_POWER=y
 CONFIG_ACPI_PCI=y
 CONFIG_ACPI_SYSTEM=y
diff --git a/arch/ia64/configs/sn2_defconfig b/arch/ia64/configs/sn2_defconfig
index 6a0c114e086a..4644ebea8eab 100644
--- a/arch/ia64/configs/sn2_defconfig
+++ b/arch/ia64/configs/sn2_defconfig
@@ -138,7 +138,6 @@ CONFIG_ACPI_HOTKEY=m
 CONFIG_ACPI_NUMA=y
 CONFIG_ACPI_BLACKLIST_YEAR=0
 # CONFIG_ACPI_DEBUG is not set
-CONFIG_ACPI_BUS=y
 CONFIG_ACPI_POWER=y
 CONFIG_ACPI_PCI=y
 CONFIG_ACPI_SYSTEM=y
diff --git a/arch/ia64/configs/tiger_defconfig b/arch/ia64/configs/tiger_defconfig
index dec24a6de6a4..f5fa113f302d 100644
--- a/arch/ia64/configs/tiger_defconfig
+++ b/arch/ia64/configs/tiger_defconfig
@@ -137,7 +137,6 @@ CONFIG_ACPI_PROCESSOR=m
 CONFIG_ACPI_THERMAL=m
 CONFIG_ACPI_BLACKLIST_YEAR=0
 # CONFIG_ACPI_DEBUG is not set
-CONFIG_ACPI_BUS=y
 CONFIG_ACPI_POWER=y
 CONFIG_ACPI_PCI=y
 CONFIG_ACPI_SYSTEM=y
diff --git a/arch/ia64/configs/zx1_defconfig b/arch/ia64/configs/zx1_defconfig
index d318087bfcbd..1e6d286ad0f3 100644
--- a/arch/ia64/configs/zx1_defconfig
+++ b/arch/ia64/configs/zx1_defconfig
@@ -136,7 +136,6 @@ CONFIG_ACPI_PROCESSOR=y
 CONFIG_ACPI_THERMAL=y
 CONFIG_ACPI_BLACKLIST_YEAR=0
 # CONFIG_ACPI_DEBUG is not set
-CONFIG_ACPI_BUS=y
 CONFIG_ACPI_POWER=y
 CONFIG_ACPI_PCI=y
 CONFIG_ACPI_SYSTEM=y
diff --git a/arch/ia64/defconfig b/arch/ia64/defconfig
index e6d34df7d2ff..163ef12641b7 100644
--- a/arch/ia64/defconfig
+++ b/arch/ia64/defconfig
@@ -127,7 +127,6 @@ CONFIG_ACPI_THERMAL=m
 CONFIG_ACPI_NUMA=y
 CONFIG_ACPI_BLACKLIST_YEAR=0
 # CONFIG_ACPI_DEBUG is not set
-CONFIG_ACPI_BUS=y
 CONFIG_ACPI_POWER=y
 CONFIG_ACPI_PCI=y
 CONFIG_ACPI_SYSTEM=y
diff --git a/arch/x86_64/defconfig b/arch/x86_64/defconfig
index 8ccb4a12eed5..62abdc0adab8 100644
--- a/arch/x86_64/defconfig
+++ b/arch/x86_64/defconfig
@@ -149,7 +149,6 @@ CONFIG_ACPI_NUMA=y
 CONFIG_ACPI_TOSHIBA=y
 CONFIG_ACPI_BLACKLIST_YEAR=2001
 # CONFIG_ACPI_DEBUG is not set
-CONFIG_ACPI_BUS=y
 CONFIG_ACPI_EC=y
 CONFIG_ACPI_POWER=y
 CONFIG_ACPI_PCI=y
diff --git a/arch/x86_64/kernel/genapic.c b/arch/x86_64/kernel/genapic.c
index 30c843a5efdd..f031358906f5 100644
--- a/arch/x86_64/kernel/genapic.c
+++ b/arch/x86_64/kernel/genapic.c
@@ -20,7 +20,7 @@
 #include <asm/smp.h>
 #include <asm/ipi.h>
 
-#if defined(CONFIG_ACPI_BUS)
+#if defined(CONFIG_ACPI)
 #include <acpi/acpi_bus.h>
 #endif
 
@@ -47,7 +47,7 @@ void __init clustered_apic_check(void)
         u8 cluster_cnt[NUM_APIC_CLUSTERS];
         int num_cpus = 0;
 
-#if defined(CONFIG_ACPI_BUS)
+#if defined(CONFIG_ACPI)
         /*
          * Some x86_64 machines use physical APIC mode regardless of how many
          * procs/clusters are present (x86_64 ES7000 is an example).
diff --git a/arch/x86_64/kernel/mpparse.c b/arch/x86_64/kernel/mpparse.c
index 86445f320d86..8d8ed6ae1d0c 100644
--- a/arch/x86_64/kernel/mpparse.c
+++ b/arch/x86_64/kernel/mpparse.c
@@ -927,11 +927,9 @@ int mp_register_gsi(u32 gsi, int edge_level, int active_high_low)
         if (acpi_irq_model != ACPI_IRQ_MODEL_IOAPIC)
                 return gsi;
 
-#ifdef CONFIG_ACPI_BUS
         /* Don't set up the ACPI SCI because it's already set up */
         if (acpi_fadt.sci_int == gsi)
                 return gsi;
-#endif
 
         ioapic = mp_find_ioapic(gsi);
         if (ioapic < 0) {
@@ -971,13 +969,11 @@ int mp_register_gsi(u32 gsi, int edge_level, int active_high_low)
                 if (gsi < MAX_GSI_NUM) {
                         if (gsi > 15)
                                 gsi = pci_irq++;
-#ifdef CONFIG_ACPI_BUS
                         /*
                          * Don't assign IRQ used by ACPI SCI
                          */
                         if (gsi == acpi_fadt.sci_int)
                                 gsi = pci_irq++;
-#endif
                         gsi_to_irq[irq] = gsi;
                 } else {
                         printk(KERN_ERR "GSI %u is too high\n", gsi);
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index f023a88ca398..8cafa4adcf49 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -267,10 +267,6 @@ config ACPI_DEBUG
           of verbosity. Saying Y enables these statements. This will increase
           your kernel size by around 50K.
 
-config ACPI_BUS
-        bool
-        default y
-
 config ACPI_EC
         bool
         depends on X86
diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
index 060afaf962a3..b6a3c9192385 100644
--- a/drivers/acpi/Makefile
+++ b/drivers/acpi/Makefile
@@ -35,8 +35,8 @@ ifdef CONFIG_CPU_FREQ
 processor-objs  += processor_perflib.o                  
 endif
 
-obj-$(CONFIG_ACPI_BUS)          += sleep/
-obj-$(CONFIG_ACPI_BUS)          += bus.o glue.o
+obj-y                           += sleep/
+obj-y                           += bus.o glue.o
 obj-$(CONFIG_ACPI_AC)           += ac.o
 obj-$(CONFIG_ACPI_BATTERY)      += battery.o
 obj-$(CONFIG_ACPI_BUTTON)       += button.o
@@ -55,5 +55,5 @@ obj-$(CONFIG_ACPI_NUMA)		+= numa.o
 obj-$(CONFIG_ACPI_ASUS)         += asus_acpi.o
 obj-$(CONFIG_ACPI_IBM)          += ibm_acpi.o
 obj-$(CONFIG_ACPI_TOSHIBA)      += toshiba_acpi.o
-obj-$(CONFIG_ACPI_BUS)          += scan.o motherboard.o
+obj-y                           += scan.o motherboard.o
 obj-$(CONFIG_ACPI_HOTPLUG_MEMORY)       += acpi_memhotplug.o
diff --git a/drivers/char/tpm/Kconfig b/drivers/char/tpm/Kconfig
index 79e9832ef1f3..b58adfe3ed19 100644
--- a/drivers/char/tpm/Kconfig
+++ b/drivers/char/tpm/Kconfig
@@ -17,7 +17,7 @@ config TCG_TPM
           obtained at: <http://sourceforge.net/projects/trousers>.  To 
           compile this driver as a module, choose M here; the module 
           will be called tpm. If unsure, say N.
-          Note: For more TPM drivers enable CONFIG_PNP, CONFIG_ACPI_BUS
+          Note: For more TPM drivers enable CONFIG_PNP, CONFIG_ACPI
           and CONFIG_PNPACPI.
 
 config TCG_NSC
diff --git a/drivers/pci/hotplug/Kconfig b/drivers/pci/hotplug/Kconfig
index 9c4a39ee89b5..2f1289eebb3c 100644
--- a/drivers/pci/hotplug/Kconfig
+++ b/drivers/pci/hotplug/Kconfig
@@ -78,7 +78,7 @@ config HOTPLUG_PCI_IBM
 
 config HOTPLUG_PCI_ACPI
         tristate "ACPI PCI Hotplug driver"
-        depends on ACPI_BUS && HOTPLUG_PCI
+        depends on ACPI && HOTPLUG_PCI
         help
           Say Y here if you have a system that supports PCI Hotplug using
           ACPI.
@@ -157,7 +157,7 @@ config HOTPLUG_PCI_SHPC_POLL_EVENT_MODE
 
 config HOTPLUG_PCI_SHPC_PHPRM_LEGACY
         bool "For AMD SHPC only: Use $HRT for resource/configuration"
-        depends on HOTPLUG_PCI_SHPC && !ACPI_BUS 
+        depends on HOTPLUG_PCI_SHPC && !ACPI 
         help
           Say Y here for AMD SHPC. You have to select this option if you are 
           using this driver on platform with AMD SHPC.
diff --git a/drivers/pci/hotplug/Makefile b/drivers/pci/hotplug/Makefile
index 31a307004b94..246586a3d91a 100644
--- a/drivers/pci/hotplug/Makefile
+++ b/drivers/pci/hotplug/Makefile
@@ -51,7 +51,7 @@ pciehp-objs		:=	pciehp_core.o	\
                                 pciehp_ctrl.o   \
                                 pciehp_pci.o    \
                                 pciehp_hpc.o
-ifdef CONFIG_ACPI_BUS
+ifdef CONFIG_ACPI
         pciehp-objs += pciehprm_acpi.o
 else
         pciehp-objs += pciehprm_nonacpi.o
@@ -62,7 +62,7 @@ shpchp-objs		:=	shpchp_core.o	\
                                 shpchp_pci.o    \
                                 shpchp_sysfs.o  \
                                 shpchp_hpc.o
-ifdef CONFIG_ACPI_BUS
+ifdef CONFIG_ACPI
         shpchp-objs += shpchprm_acpi.o
 else
         ifdef CONFIG_HOTPLUG_PCI_SHPC_PHPRM_LEGACY
diff --git a/drivers/pnp/Kconfig b/drivers/pnp/Kconfig
index 6776308a1fe5..c5143201419a 100644
--- a/drivers/pnp/Kconfig
+++ b/drivers/pnp/Kconfig
@@ -6,7 +6,7 @@ menu "Plug and Play support"
 
 config PNP
         bool "Plug and Play support"
-        depends on ISA || ACPI_BUS
+        depends on ISA || ACPI
         ---help---
           Plug and Play (PnP) is a standard for peripherals which allows those
           peripherals to be configured by software, e.g. assign IRQ's or other
diff --git a/drivers/pnp/pnpacpi/Kconfig b/drivers/pnp/pnpacpi/Kconfig
index 0782cdc5009f..b1854171b963 100644
--- a/drivers/pnp/pnpacpi/Kconfig
+++ b/drivers/pnp/pnpacpi/Kconfig
@@ -3,7 +3,7 @@
 #
 config PNPACPI
         bool "Plug and Play ACPI support (EXPERIMENTAL)"
-        depends on PNP && ACPI_BUS && EXPERIMENTAL
+        depends on PNP && ACPI && EXPERIMENTAL
         default y
         ---help---
           Linux uses the PNPACPI to autodetect built-in
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 97034d3937fd..56de409f486d 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -80,7 +80,7 @@ config SERIAL_8250_CS
 config SERIAL_8250_ACPI
         bool "8250/16550 device discovery via ACPI namespace"
         default y if IA64
-        depends on ACPI_BUS && SERIAL_8250
+        depends on ACPI && SERIAL_8250
         ---help---
           If you wish to enable serial port discovery via the ACPI
           namespace, say Y here.  If unsure, say N.
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index 4f4b2baa7176..0b54e9a4a8a1 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -53,7 +53,7 @@ acpi_evaluate_reference(acpi_handle handle,
                         struct acpi_object_list *arguments,
                         struct acpi_handle_list *list);
 
-#ifdef CONFIG_ACPI_BUS
+#ifdef CONFIG_ACPI
 
 #include <linux/proc_fs.h>
 
@@ -356,6 +356,6 @@ acpi_handle acpi_get_child(acpi_handle, acpi_integer);
 acpi_handle acpi_get_pci_rootbridge_handle(unsigned int, unsigned int);
 #define DEVICE_ACPI_HANDLE(dev) ((acpi_handle)((dev)->firmware_data))
 
-#endif                          /*CONFIG_ACPI_BUS */
+#endif /* CONFIG_ACPI */
 
 #endif /*__ACPI_BUS_H__*/