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authorLinus Torvalds <torvalds@linux-foundation.org>2008-02-02 14:29:57 +1100
committerLinus Torvalds <torvalds@linux-foundation.org>2008-02-02 14:29:57 +1100
commit687fcdf741e4a268c2c7bac8b3734de761bb9719 (patch)
tree82603cd0f892b13d4252cc525ecaec99bb86c0cd /arch
parent215e871aaa3d94540121a3809d80d0c5e5686e4f (diff)
parenta6eb84bc1e069e1d285167e09035ed6c27978feb (diff)
Merge branch 'suspend' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'suspend' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (38 commits) suspend: cleanup reference to swsusp_pg_dir[] PM: Remove obsolete /sys/devices/.../power/state docs Hibernation: Invoke suspend notifications after console switch Suspend: Invoke suspend notifications after console switch Suspend: Clean up suspend_64.c Suspend: Add config option to disable the freezer if architecture wants that ACPI: Print message before calling _PTS ACPI hibernation: Call _PTS before suspending devices Hibernation: Introduce begin() and end() callbacks ACPI suspend: Call _PTS before suspending devices ACPI: Separate disabling of GPEs from _PTS ACPI: Separate invocations of _GTS and _BFS from _PTS and _WAK Suspend: Introduce begin() and end() callbacks suspend: fix ia64 allmodconfig build ACPI: clear GPE earily in resume to avoid warning Suspend: Clean up Kconfig (V2) Hibernation: Clean up Kconfig (V2) Hibernation: Update messages Suspend: Use common prefix in messages Hibernation: Remove unnecessary variable declaration ...
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/Kconfig3
-rw-r--r--arch/arm/mach-at91/pm.c17
-rw-r--r--arch/blackfin/Kconfig4
-rw-r--r--arch/frv/Kconfig5
-rw-r--r--arch/mips/Kconfig4
-rw-r--r--arch/powerpc/Kconfig22
-rw-r--r--arch/powerpc/platforms/52xx/lite5200_pm.c10
-rw-r--r--arch/sh/Kconfig4
-rw-r--r--arch/x86/Kconfig8
-rw-r--r--arch/x86/kernel/suspend_64.c8
-rw-r--r--arch/x86/mm/init_32.c10
11 files changed, 80 insertions, 15 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 5d5997ca7011..4b1a8e3d292c 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1030,6 +1030,9 @@ menu "Power management options"
source "kernel/power/Kconfig"
+config ARCH_SUSPEND_POSSIBLE
+ def_bool y
+
endmenu
source "net/Kconfig"
diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c
index 4b120cc36135..a67defd50438 100644
--- a/arch/arm/mach-at91/pm.c
+++ b/arch/arm/mach-at91/pm.c
@@ -52,7 +52,7 @@ static suspend_state_t target_state;
/*
* Called after processes are frozen, but before we shutdown devices.
*/
-static int at91_pm_set_target(suspend_state_t state)
+static int at91_pm_begin(suspend_state_t state)
{
target_state = state;
return 0;
@@ -202,11 +202,20 @@ error:
return 0;
}
+/*
+ * Called right prior to thawing processes.
+ */
+static void at91_pm_end(void)
+{
+ target_state = PM_SUSPEND_ON;
+}
+
static struct platform_suspend_ops at91_pm_ops ={
- .valid = at91_pm_valid_state,
- .set_target = at91_pm_set_target,
- .enter = at91_pm_enter,
+ .valid = at91_pm_valid_state,
+ .begin = at91_pm_begin,
+ .enter = at91_pm_enter,
+ .end = at91_pm_end,
};
static int __init at91_pm_init(void)
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index fc7ca86ac8bf..4802eb767dc9 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -898,6 +898,10 @@ endmenu
menu "Power management options"
source "kernel/power/Kconfig"
+config ARCH_SUSPEND_POSSIBLE
+ def_bool y
+ depends on !SMP
+
choice
prompt "Select PM Wakeup Event Source"
default PM_WAKEUP_GPIO_BY_SIC_IWR
diff --git a/arch/frv/Kconfig b/arch/frv/Kconfig
index afb19b0d761d..e3f965c91e22 100644
--- a/arch/frv/Kconfig
+++ b/arch/frv/Kconfig
@@ -352,6 +352,11 @@ source "drivers/pcmcia/Kconfig"
# should probably wait a while.
menu "Power management options"
+
+config ARCH_SUSPEND_POSSIBLE
+ def_bool y
+ depends on !SMP
+
source kernel/power/Kconfig
endmenu
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 09e7bf3723df..36a4018f71d2 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -2081,6 +2081,10 @@ endmenu
menu "Power management options"
+config ARCH_SUSPEND_POSSIBLE
+ def_bool y
+ depends on !SMP
+
source "kernel/power/Kconfig"
endmenu
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 9c44af3db8d9..4a22c9928618 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -151,11 +151,25 @@ config DEFAULT_UIMAGE
config REDBOOT
bool
-config PPC64_SWSUSP
+config HIBERNATE_32
bool
- depends on PPC64 && (BROKEN || (PPC_PMAC64 && EXPERIMENTAL))
+ depends on (PPC_PMAC && !SMP) || BROKEN
default y
+config HIBERNATE_64
+ bool
+ depends on BROKEN || (PPC_PMAC64 && EXPERIMENTAL)
+ default y
+
+config ARCH_HIBERNATION_POSSIBLE
+ bool
+ depends on (PPC64 && HIBERNATE_64) || (PPC32 && HIBERNATE_32)
+ default y
+
+config ARCH_SUSPEND_POSSIBLE
+ def_bool y
+ depends on ADB_PMU || PPC_EFIKA || PPC_LITE5200
+
config PPC_DCR_NATIVE
bool
default n
@@ -391,6 +405,10 @@ config CMDLINE
most cases you will need to specify the root device here.
if !44x || BROKEN
+config ARCH_WANTS_FREEZER_CONTROL
+ def_bool y
+ depends on ADB_PMU
+
source kernel/power/Kconfig
endif
diff --git a/arch/powerpc/platforms/52xx/lite5200_pm.c b/arch/powerpc/platforms/52xx/lite5200_pm.c
index c0f13e8deb0b..41c7fd91e99e 100644
--- a/arch/powerpc/platforms/52xx/lite5200_pm.c
+++ b/arch/powerpc/platforms/52xx/lite5200_pm.c
@@ -31,7 +31,7 @@ static int lite5200_pm_valid(suspend_state_t state)
}
}
-static int lite5200_pm_set_target(suspend_state_t state)
+static int lite5200_pm_begin(suspend_state_t state)
{
if (lite5200_pm_valid(state)) {
lite5200_pm_target_state = state;
@@ -219,12 +219,18 @@ static void lite5200_pm_finish(void)
mpc52xx_pm_finish();
}
+static void lite5200_pm_end(void)
+{
+ lite5200_pm_target_state = PM_SUSPEND_ON;
+}
+
static struct platform_suspend_ops lite5200_pm_ops = {
.valid = lite5200_pm_valid,
- .set_target = lite5200_pm_set_target,
+ .begin = lite5200_pm_begin,
.prepare = lite5200_pm_prepare,
.enter = lite5200_pm_enter,
.finish = lite5200_pm_finish,
+ .end = lite5200_pm_end,
};
int __init lite5200_pm_init(void)
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 1cd9c8fd927d..b30c4c376a83 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -882,6 +882,10 @@ endmenu
menu "Power management options (EXPERIMENTAL)"
depends on EXPERIMENTAL && SYS_SUPPORTS_PM
+config ARCH_SUSPEND_POSSIBLE
+ def_bool y
+ depends on !SMP
+
source kernel/power/Kconfig
endmenu
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index bb07f87d8622..7109037bdf7c 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -112,6 +112,14 @@ config ARCH_SUPPORTS_OPROFILE
select HAVE_KVM
+config ARCH_HIBERNATION_POSSIBLE
+ def_bool y
+ depends on !SMP || !X86_VOYAGER
+
+config ARCH_SUSPEND_POSSIBLE
+ def_bool y
+ depends on !X86_VOYAGER
+
config ZONE_DMA32
bool
default X86_64
diff --git a/arch/x86/kernel/suspend_64.c b/arch/x86/kernel/suspend_64.c
index 09199511c256..7ac7130022f1 100644
--- a/arch/x86/kernel/suspend_64.c
+++ b/arch/x86/kernel/suspend_64.c
@@ -140,7 +140,12 @@ static void fix_processor_context(void)
int cpu = smp_processor_id();
struct tss_struct *t = &per_cpu(init_tss, cpu);
- set_tss_desc(cpu,t); /* This just modifies memory; should not be necessary. But... This is necessary, because 386 hardware has concept of busy TSS or some similar stupidity. */
+ /*
+ * This just modifies memory; should not be necessary. But... This
+ * is necessary, because 386 hardware has concept of busy TSS or some
+ * similar stupidity.
+ */
+ set_tss_desc(cpu, t);
get_cpu_gdt_table(cpu)[GDT_ENTRY_TSS].type = 9;
@@ -160,7 +165,6 @@ static void fix_processor_context(void)
loaddebug(&current->thread, 6);
loaddebug(&current->thread, 7);
}
-
}
#ifdef CONFIG_HIBERNATION
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index da524fb22422..f2f36f8dae52 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -423,23 +423,23 @@ static void __init pagetable_init(void)
paravirt_pagetable_setup_done(pgd_base);
}
-#if defined(CONFIG_HIBERNATION) || defined(CONFIG_ACPI)
+#ifdef CONFIG_ACPI_SLEEP
/*
- * Swap suspend & friends need this for resume because things like the intel-agp
+ * ACPI suspend needs this for resume, because things like the intel-agp
* driver might have split up a kernel 4MB mapping.
*/
-char __nosavedata swsusp_pg_dir[PAGE_SIZE]
+char swsusp_pg_dir[PAGE_SIZE]
__attribute__ ((aligned(PAGE_SIZE)));
static inline void save_pg_dir(void)
{
memcpy(swsusp_pg_dir, swapper_pg_dir, PAGE_SIZE);
}
-#else
+#else /* !CONFIG_ACPI_SLEEP */
static inline void save_pg_dir(void)
{
}
-#endif
+#endif /* !CONFIG_ACPI_SLEEP */
void zap_low_mappings(void)
{