ACPI: restore CONFIG_ACPI_SLEEP

Restore the 2.6.22 CONFIG_ACPI_SLEEP build option, but now shadowing the
new CONFIG_PM_SLEEP option.

Signed-off-by: Len Brown <len.brown@intel.com>
[ Modified to work with the PM config setup changes. ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/arch/i386/kernel/acpi/Makefile b/arch/i386/kernel/acpi/Makefile
index 223f58f..7f7be01 100644 (file)
--- a/arch/i386/kernel/acpi/Makefile
+++ b/arch/i386/kernel/acpi/Makefile
@@ -2,7 +2,7 @@ obj-$(CONFIG_ACPI)              += boot.o
 ifneq ($(CONFIG_PCI),)
 obj-$(CONFIG_X86_IO_APIC)      += earlyquirk.o
 endif
-obj-$(CONFIG_ACPI)             += sleep.o wakeup.o
+obj-$(CONFIG_ACPI_SLEEP)       += sleep.o wakeup.o
 
 ifneq ($(CONFIG_ACPI_PROCESSOR),)
 obj-y                          += cstate.o processor.o

diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c
index 7fe5da3..d474cd6 100644 (file)
--- a/arch/i386/kernel/setup.c
+++ b/arch/i386/kernel/setup.c
@@ -422,7 +422,7 @@ void __init setup_bootmem_allocator(void)
         */
        reserve_bootmem(PAGE_SIZE, PAGE_SIZE);
 #endif
-#ifdef CONFIG_ACPI
+#ifdef CONFIG_ACPI_SLEEP
        /*
         * Reserve low memory region for sleep support.
         */

diff --git a/arch/x86_64/kernel/acpi/Makefile b/arch/x86_64/kernel/acpi/Makefile
index 17595d2..080b996 100644 (file)
--- a/arch/x86_64/kernel/acpi/Makefile
+++ b/arch/x86_64/kernel/acpi/Makefile
@@ -1,6 +1,6 @@
 obj-y                  := boot.o
 boot-y                 := ../../../i386/kernel/acpi/boot.o
-obj-y                  += sleep.o wakeup.o
+obj-$(CONFIG_ACPI_SLEEP)       += sleep.o wakeup.o
 
 ifneq ($(CONFIG_ACPI_PROCESSOR),)
 obj-y                  += processor.o

diff --git a/arch/x86_64/kernel/head.S b/arch/x86_64/kernel/head.S
index 3a16e41..e89abcd 100644 (file)
--- a/arch/x86_64/kernel/head.S
+++ b/arch/x86_64/kernel/head.S
@@ -120,7 +120,7 @@ ident_complete:
        addq    %rbp, trampoline_level4_pgt + 0(%rip)
        addq    %rbp, trampoline_level4_pgt + (511*8)(%rip)
 #endif
-#ifdef CONFIG_ACPI
+#ifdef CONFIG_ACPI_SLEEP
        addq    %rbp, wakeup_level4_pgt + 0(%rip)
        addq    %rbp, wakeup_level4_pgt + (511*8)(%rip)
 #endif

diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c
index 0f400f3..af838f6 100644 (file)
--- a/arch/x86_64/kernel/setup.c
+++ b/arch/x86_64/kernel/setup.c
@@ -333,7 +333,7 @@ void __init setup_arch(char **cmdline_p)
        reserve_bootmem_generic(SMP_TRAMPOLINE_BASE, 2*PAGE_SIZE);
 #endif
 
-#ifdef CONFIG_ACPI
+#ifdef CONFIG_ACPI_SLEEP
        /*
         * Reserve low memory region for sleep support.
         */

diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 66e78d5..934d639 100644 (file)
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -42,6 +42,11 @@ menuconfig ACPI
 
 if ACPI
 
+config ACPI_SLEEP
+       bool
+       depends on PM_SLEEP
+       default y
+
 config ACPI_PROCFS
        bool "Deprecated /proc/acpi files"
        depends on PROC_FS

diff --git a/drivers/acpi/sleep/Makefile b/drivers/acpi/sleep/Makefile
index 2bec897..195a4f6 100644 (file)
--- a/drivers/acpi/sleep/Makefile
+++ b/drivers/acpi/sleep/Makefile
@@ -1,5 +1,5 @@
 obj-y                                  := poweroff.o wakeup.o
-obj-$(CONFIG_PM_SLEEP)                 += main.o
-obj-$(CONFIG_X86)                      += proc.o
+obj-$(CONFIG_ACPI_SLEEP)               += main.o
+obj-$(CONFIG_ACPI_SLEEP)               += proc.o
 
 EXTRA_CFLAGS += $(ACPI_CFLAGS)

diff --git a/drivers/acpi/sleep/poweroff.c b/drivers/acpi/sleep/poweroff.c
index b3f68ef..39e40d5 100644 (file)
--- a/drivers/acpi/sleep/poweroff.c
+++ b/drivers/acpi/sleep/poweroff.c
@@ -18,6 +18,7 @@
 
 int acpi_sleep_prepare(u32 acpi_state)
 {
+#ifdef CONFIG_ACPI_SLEEP
        /* do we have a wakeup address for S2 and S3? */
        if (acpi_state == ACPI_STATE_S3) {
                if (!acpi_wakeup_address) {
@@ -30,6 +31,7 @@ int acpi_sleep_prepare(u32 acpi_state)
        }
        ACPI_FLUSH_CPU_CACHE();
        acpi_enable_wakeup_device_prep(acpi_state);
+#endif
        acpi_gpe_sleep_prepare(acpi_state);
        acpi_enter_sleep_state_prep(acpi_state);
        return 0;

diff --git a/drivers/acpi/sleep/proc.c b/drivers/acpi/sleep/proc.c
index 5dfe8b7..66b62b0 100644 (file)
--- a/drivers/acpi/sleep/proc.c
+++ b/drivers/acpi/sleep/proc.c
@@ -78,7 +78,7 @@ acpi_system_write_sleep(struct file *file,
 }
 #endif                         /* CONFIG_ACPI_PROCFS_SLEEP */
 
-#if defined(CONFIG_RTC_DRV_CMOS) || defined(CONFIG_RTC_DRV_CMOS_MODULE)
+#if defined(CONFIG_RTC_DRV_CMOS) || defined(CONFIG_RTC_DRV_CMOS_MODULE) || !defined(CONFIG_X86)
 /* use /sys/class/rtc/rtcX/wakealarm instead; it's not ACPI-specific */
 #else
 #define        HAVE_ACPI_LEGACY_ALARM

diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index 67c63d1..5c6a5d0 100644 (file)
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -220,6 +220,7 @@ acpi_status pci_osc_control_set(acpi_handle handle, u32 flags)
 }
 EXPORT_SYMBOL(pci_osc_control_set);
 
+#ifdef CONFIG_ACPI_SLEEP
 /*
  * _SxD returns the D-state with the highest power
  * (lowest D-state number) supported in the S-state "x".
@@ -267,6 +268,7 @@ static pci_power_t acpi_pci_choose_state(struct pci_dev *pdev,
        }
        return PCI_POWER_ERROR;
 }
+#endif
 
 static int acpi_pci_set_power_state(struct pci_dev *dev, pci_power_t state)
 {
@@ -340,7 +342,9 @@ static int __init acpi_pci_init(void)
        ret = register_acpi_bus_type(&acpi_pci_bus);
        if (ret)
                return 0;
+#ifdef CONFIG_ACPI_SLEEP
        platform_pci_choose_state = acpi_pci_choose_state;
+#endif
        platform_pci_set_power_state = acpi_pci_set_power_state;
        return 0;
 }

diff --git a/drivers/pnp/pnpacpi/core.c b/drivers/pnp/pnpacpi/core.c
index 6a2a3c2..616fc72 100644 (file)
--- a/drivers/pnp/pnpacpi/core.c
+++ b/drivers/pnp/pnpacpi/core.c
@@ -127,6 +127,7 @@ static int pnpacpi_disable_resources(struct pnp_dev *dev)
        return ACPI_FAILURE(status) ? -ENODEV : 0;
 }
 
+#ifdef CONFIG_ACPI_SLEEP
 static int pnpacpi_suspend(struct pnp_dev *dev, pm_message_t state)
 {
        return acpi_bus_set_power((acpi_handle) dev->data,
@@ -140,14 +141,17 @@ static int pnpacpi_resume(struct pnp_dev *dev)
 {
        return acpi_bus_set_power((acpi_handle) dev->data, ACPI_STATE_D0);
 }
+#endif
 
 static struct pnp_protocol pnpacpi_protocol = {
        .name    = "Plug and Play ACPI",
        .get     = pnpacpi_get_resources,
        .set     = pnpacpi_set_resources,
        .disable = pnpacpi_disable_resources,
+#ifdef CONFIG_ACPI_SLEEP
        .suspend = pnpacpi_suspend,
        .resume = pnpacpi_resume,
+#endif
 };
 
 static int __init pnpacpi_add_device(struct acpi_device *device)

diff --git a/include/acpi/acpi_drivers.h b/include/acpi/acpi_drivers.h
index 777d37a..202acb9 100644 (file)
--- a/include/acpi/acpi_drivers.h
+++ b/include/acpi/acpi_drivers.h
@@ -147,7 +147,7 @@ static inline void unregister_hotplug_dock_device(acpi_handle handle)
 /*--------------------------------------------------------------------------
                                   Suspend/Resume
   -------------------------------------------------------------------------- */
-#ifdef CONFIG_PM_SLEEP
+#ifdef CONFIG_ACPI_SLEEP
 extern int acpi_sleep_init(void);
 #else
 static inline int acpi_sleep_init(void) { return 0; }

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index eb26f2b..79c891e 100644 (file)
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -689,7 +689,7 @@ static ctl_table kern_table[] = {
                .proc_handler   = &proc_dointvec,
        },
 #endif
-#if defined(CONFIG_ACPI) && defined(CONFIG_X86)
+#if    defined(CONFIG_ACPI_SLEEP) && defined(CONFIG_X86)
        {
                .ctl_name       = KERN_ACPI_VIDEO_FLAGS,
                .procname       = "acpi_video_flags",