x86, realmode: don't copy real_mode_header

[pandora-kernel.git] / drivers / acpi / sleep.c

diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 1d661b5..0613900 100644 (file)
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -25,26 +25,38 @@
 #include <acpi/acpi_bus.h>
 #include <acpi/acpi_drivers.h>
 
+#include <asm/realmode.h>
+
 #include "internal.h"
 #include "sleep.h"
 
+u8 wake_sleep_flags = ACPI_NO_OPTIONAL_METHODS;
 static unsigned int gts, bfs;
-module_param(gts, uint, 0644);
-module_param(bfs, uint, 0644);
-MODULE_PARM_DESC(gts, "Enable evaluation of _GTS on suspend.");
-MODULE_PARM_DESC(bfs, "Enable evaluation of _BFS on resume".);
-
-static u8 wake_sleep_flags(void)
+static int set_param_wake_flag(const char *val, struct kernel_param *kp)
 {
-       u8 flags = ACPI_NO_OPTIONAL_METHODS;
+       int ret = param_set_int(val, kp);
 
-       if (gts)
-               flags |= ACPI_EXECUTE_GTS;
-       if (bfs)
-               flags |= ACPI_EXECUTE_BFS;
+       if (ret)
+               return ret;
 
-       return flags;
+       if (kp->arg == (const char *)&gts) {
+               if (gts)
+                       wake_sleep_flags |= ACPI_EXECUTE_GTS;
+               else
+                       wake_sleep_flags &= ~ACPI_EXECUTE_GTS;
+       }
+       if (kp->arg == (const char *)&bfs) {
+               if (bfs)
+                       wake_sleep_flags |= ACPI_EXECUTE_BFS;
+               else
+                       wake_sleep_flags &= ~ACPI_EXECUTE_BFS;
+       }
+       return ret;
 }
+module_param_call(gts, set_param_wake_flag, param_get_int, &gts, 0644);
+module_param_call(bfs, set_param_wake_flag, param_get_int, &bfs, 0644);
+MODULE_PARM_DESC(gts, "Enable evaluation of _GTS on suspend.");
+MODULE_PARM_DESC(bfs, "Enable evaluation of _BFS on resume".);
 
 static u8 sleep_states[ACPI_S_STATE_COUNT];
 
@@ -81,13 +93,13 @@ static struct notifier_block tts_notifier = {
 static int acpi_sleep_prepare(u32 acpi_state)
 {
 #ifdef CONFIG_ACPI_SLEEP
+       unsigned long wakeup_pa = real_mode_header->wakeup_start;
        /* do we have a wakeup address for S2 and S3? */
        if (acpi_state == ACPI_STATE_S3) {
-               if (!acpi_wakeup_address) {
+               if (!wakeup_pa)
                        return -EFAULT;
-               }
                acpi_set_firmware_waking_vector(
-                               (acpi_physical_address)acpi_wakeup_address);
+                               (acpi_physical_address)wakeup_pa);
 
        }
        ACPI_FLUSH_CPU_CACHE();
@@ -263,7 +275,6 @@ static int acpi_suspend_enter(suspend_state_t pm_state)
 {
        acpi_status status = AE_OK;
        u32 acpi_state = acpi_target_sleep_state;
-       u8 flags = wake_sleep_flags();
        int error;
 
        ACPI_FLUSH_CPU_CACHE();
@@ -271,7 +282,7 @@ static int acpi_suspend_enter(suspend_state_t pm_state)
        switch (acpi_state) {
        case ACPI_STATE_S1:
                barrier();
-               status = acpi_enter_sleep_state(acpi_state, flags);
+               status = acpi_enter_sleep_state(acpi_state, wake_sleep_flags);
                break;
 
        case ACPI_STATE_S3:
@@ -286,7 +297,7 @@ static int acpi_suspend_enter(suspend_state_t pm_state)
        acpi_write_bit_register(ACPI_BITREG_SCI_ENABLE, 1);
 
        /* Reprogram control registers and execute _BFS */
-       acpi_leave_sleep_state_prep(acpi_state, flags);
+       acpi_leave_sleep_state_prep(acpi_state, wake_sleep_flags);
 
        /* ACPI 3.0 specs (P62) says that it's the responsibility
         * of the OSPM to clear the status bit [ implying that the
@@ -550,30 +561,27 @@ static int acpi_hibernation_begin(void)
 
 static int acpi_hibernation_enter(void)
 {
-       u8 flags = wake_sleep_flags();
        acpi_status status = AE_OK;
 
        ACPI_FLUSH_CPU_CACHE();
 
        /* This shouldn't return.  If it returns, we have a problem */
-       status = acpi_enter_sleep_state(ACPI_STATE_S4, flags);
+       status = acpi_enter_sleep_state(ACPI_STATE_S4, wake_sleep_flags);
        /* Reprogram control registers and execute _BFS */
-       acpi_leave_sleep_state_prep(ACPI_STATE_S4, flags);
+       acpi_leave_sleep_state_prep(ACPI_STATE_S4, wake_sleep_flags);
 
        return ACPI_SUCCESS(status) ? 0 : -EFAULT;
 }
 
 static void acpi_hibernation_leave(void)
 {
-       u8 flags = wake_sleep_flags();
-
        /*
         * If ACPI is not enabled by the BIOS and the boot kernel, we need to
         * enable it here.
         */
        acpi_enable();
        /* Reprogram control registers and execute _BFS */
-       acpi_leave_sleep_state_prep(ACPI_STATE_S4, flags);
+       acpi_leave_sleep_state_prep(ACPI_STATE_S4, wake_sleep_flags);
        /* Check the hardware signature */
        if (facs && s4_hardware_signature != facs->hardware_signature) {
                printk(KERN_EMERG "ACPI: Hardware changed while hibernated, "
@@ -828,12 +836,10 @@ static void acpi_power_off_prepare(void)
 
 static void acpi_power_off(void)
 {
-       u8 flags = wake_sleep_flags();
-
        /* acpi_sleep_prepare(ACPI_STATE_S5) should have already been called */
        printk(KERN_DEBUG "%s called\n", __func__);
        local_irq_disable();
-       acpi_enter_sleep_state(ACPI_STATE_S5, flags);
+       acpi_enter_sleep_state(ACPI_STATE_S5, wake_sleep_flags);
 }
 
 /*