Merge branch 'sony-laptop' into release

[linux-2.6-omap-h63xx.git] / drivers / acpi / sleep.c

diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 7e3c609cbef27194c13dbacc7c036956e0217b73..91a284b54dbf5ca73fc2804641de0537ce4618bf 100644 (file)
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -21,6 +21,8 @@
 
 #include <acpi/acpi_bus.h>
 #include <acpi/acpi_drivers.h>
+
+#include "internal.h"
 #include "sleep.h"
 
 u8 sleep_states[ACPI_S_STATE_COUNT];
@@ -90,31 +92,6 @@ void __init acpi_old_suspend_ordering(void)
        old_suspend_ordering = true;
 }
 
-/*
- * According to the ACPI specification the BIOS should make sure that ACPI is
- * enabled and SCI_EN bit is set on wake-up from S1 - S3 sleep states.  Still,
- * some BIOSes don't do that and therefore we use acpi_enable() to enable ACPI
- * on such systems during resume.  Unfortunately that doesn't help in
- * particularly pathological cases in which SCI_EN has to be set directly on
- * resume, although the specification states very clearly that this flag is
- * owned by the hardware.  The set_sci_en_on_resume variable will be set in such
- * cases.
- */
-static bool set_sci_en_on_resume;
-/*
- * The ACPI specification wants us to save NVS memory regions during hibernation
- * and to restore them during the subsequent resume.  However, it is not certain
- * if this mechanism is going to work on all machines, so we allow the user to
- * disable this mechanism using the 'acpi_sleep=s4_nonvs' kernel command line
- * option.
- */
-static bool s4_no_nvs;
-
-void __init acpi_s4_no_nvs(void)
-{
-       s4_no_nvs = true;
-}
-
 /**
  *     acpi_pm_disable_gpes - Disable the GPEs.
  */
@@ -193,6 +170,18 @@ static void acpi_pm_end(void)
 #endif /* CONFIG_ACPI_SLEEP */
 
 #ifdef CONFIG_SUSPEND
+/*
+ * According to the ACPI specification the BIOS should make sure that ACPI is
+ * enabled and SCI_EN bit is set on wake-up from S1 - S3 sleep states.  Still,
+ * some BIOSes don't do that and therefore we use acpi_enable() to enable ACPI
+ * on such systems during resume.  Unfortunately that doesn't help in
+ * particularly pathological cases in which SCI_EN has to be set directly on
+ * resume, although the specification states very clearly that this flag is
+ * owned by the hardware.  The set_sci_en_on_resume variable will be set in such
+ * cases.
+ */
+static bool set_sci_en_on_resume;
+
 extern void do_suspend_lowlevel(void);
 
 static u32 acpi_suspend_states[] = {
@@ -261,7 +250,7 @@ static int acpi_suspend_enter(suspend_state_t pm_state)
 
        /* If ACPI is not enabled by the BIOS, we need to enable it here. */
        if (set_sci_en_on_resume)
-               acpi_set_register(ACPI_BITREG_SCI_ENABLE, 1);
+               acpi_write_bit_register(ACPI_BITREG_SCI_ENABLE, 1);
        else
                acpi_enable();
 
@@ -391,11 +380,41 @@ static struct dmi_system_id __initdata acpisleep_dmi_table[] = {
                DMI_MATCH(DMI_PRODUCT_NAME, "Macmini1,1"),
                },
        },
+       {
+       .callback = init_old_suspend_ordering,
+       .ident = "Asus Pundit P1-AH2 (M2N8L motherboard)",
+       .matches = {
+               DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTek Computer INC."),
+               DMI_MATCH(DMI_BOARD_NAME, "M2N8L"),
+               },
+       },
+       {
+       .callback = init_set_sci_en_on_resume,
+       .ident = "Toshiba Satellite L300",
+       .matches = {
+               DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+               DMI_MATCH(DMI_PRODUCT_NAME, "Satellite L300"),
+               },
+       },
        {},
 };
 #endif /* CONFIG_SUSPEND */
 
 #ifdef CONFIG_HIBERNATION
+/*
+ * The ACPI specification wants us to save NVS memory regions during hibernation
+ * and to restore them during the subsequent resume.  However, it is not certain
+ * if this mechanism is going to work on all machines, so we allow the user to
+ * disable this mechanism using the 'acpi_sleep=s4_nonvs' kernel command line
+ * option.
+ */
+static bool s4_no_nvs;
+
+void __init acpi_s4_no_nvs(void)
+{
+       s4_no_nvs = true;
+}
+
 static unsigned long s4_hardware_signature;
 static struct acpi_table_facs *facs;
 static bool nosigcheck;
@@ -679,7 +698,7 @@ static void acpi_power_off_prepare(void)
 static void acpi_power_off(void)
 {
        /* acpi_sleep_prepare(ACPI_STATE_S5) should have already been called */
-       printk("%s called\n", __func__);
+       printk(KERN_DEBUG "%s called\n", __func__);
        local_irq_disable();
        acpi_enable_wakeup_device(ACPI_STATE_S5);
        acpi_enter_sleep_state(ACPI_STATE_S5);