3 files changed, 28 insertions, 21 deletions

diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index b718806657cd..c40fb2e81bbc 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -71,6 +71,17 @@ static int acpi_sleep_prepare(u32 acpi_state)
         return 0;
 }
 
+static bool acpi_sleep_state_supported(u8 sleep_state)
+{
+        acpi_status status;
+        u8 type_a, type_b;
+
+        status = acpi_get_sleep_type_data(sleep_state, &type_a, &type_b);
+        return ACPI_SUCCESS(status) && (!acpi_gbl_reduced_hardware
+                || (acpi_gbl_FADT.sleep_control.address
+                        && acpi_gbl_FADT.sleep_status.address));
+}
+
 #ifdef CONFIG_ACPI_SLEEP
 static u32 acpi_target_sleep_state = ACPI_STATE_S0;
 
@@ -604,15 +615,9 @@ static void acpi_sleep_suspend_setup(void)
 {
         int i;
 
-        for (i = ACPI_STATE_S1; i < ACPI_STATE_S4; i++) {
-                acpi_status status;
-                u8 type_a, type_b;
-
-                status = acpi_get_sleep_type_data(i, &type_a, &type_b);
-                if (ACPI_SUCCESS(status)) {
+        for (i = ACPI_STATE_S1; i < ACPI_STATE_S4; i++)
+                if (acpi_sleep_state_supported(i))
                         sleep_states[i] = 1;
-                }
-        }
 
         suspend_set_ops(old_suspend_ordering ?
                 &acpi_suspend_ops_old : &acpi_suspend_ops);
@@ -740,11 +745,7 @@ static const struct platform_hibernation_ops acpi_hibernation_ops_old = {
 
 static void acpi_sleep_hibernate_setup(void)
 {
-        acpi_status status;
-        u8 type_a, type_b;
-
-        status = acpi_get_sleep_type_data(ACPI_STATE_S4, &type_a, &type_b);
-        if (ACPI_FAILURE(status))
+        if (!acpi_sleep_state_supported(ACPI_STATE_S4))
                 return;
 
         hibernation_set_ops(old_suspend_ordering ?
@@ -793,8 +794,6 @@ static void acpi_power_off(void)
 
 int __init acpi_sleep_init(void)
 {
-        acpi_status status;
-        u8 type_a, type_b;
         char supported[ACPI_S_STATE_COUNT * 3 + 1];
         char *pos = supported;
         int i;
@@ -806,8 +805,7 @@ int __init acpi_sleep_init(void)
         acpi_sleep_suspend_setup();
         acpi_sleep_hibernate_setup();
 
-        status = acpi_get_sleep_type_data(ACPI_STATE_S5, &type_a, &type_b);
-        if (ACPI_SUCCESS(status)) {
+        if (acpi_sleep_state_supported(ACPI_STATE_S5)) {
                 sleep_states[ACPI_STATE_S5] = 1;
                 pm_power_off_prepare = acpi_power_off_prepare;
                 pm_power_off = acpi_power_off;
diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c
index 167f3d00c916..66977ebf13b3 100644
--- a/drivers/pnp/pnpacpi/rsparser.c
+++ b/drivers/pnp/pnpacpi/rsparser.c
@@ -183,9 +183,7 @@ static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res,
         struct resource r = {0};
         int i, flags;
 
-        if (acpi_dev_resource_memory(res, &r)
-            || acpi_dev_resource_io(res, &r)
-            || acpi_dev_resource_address_space(res, &r)
+        if (acpi_dev_resource_address_space(res, &r)
             || acpi_dev_resource_ext_address_space(res, &r)) {
                 pnp_add_resource(dev, &r);
                 return AE_OK;
@@ -217,6 +215,17 @@ static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res,
         }
 
         switch (res->type) {
+        case ACPI_RESOURCE_TYPE_MEMORY24:
+        case ACPI_RESOURCE_TYPE_MEMORY32:
+        case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
+                if (acpi_dev_resource_memory(res, &r))
+                        pnp_add_resource(dev, &r);
+                break;
+        case ACPI_RESOURCE_TYPE_IO:
+        case ACPI_RESOURCE_TYPE_FIXED_IO:
+                if (acpi_dev_resource_io(res, &r))
+                        pnp_add_resource(dev, &r);
+                break;
         case ACPI_RESOURCE_TYPE_DMA:
                 dma = &res->data.dma;
                 if (dma->channel_count > 0 && dma->channels[0] != (u8) -1)
diff --git a/init/main.c b/init/main.c
index eb03090cdced..9c7fd4c9249f 100644
--- a/init/main.c
+++ b/init/main.c
@@ -561,7 +561,6 @@ asmlinkage void __init start_kernel(void)
         init_timers();
         hrtimers_init();
         softirq_init();
-        acpi_early_init();
         timekeeping_init();
         time_init();
         sched_clock_postinit();
@@ -613,6 +612,7 @@ asmlinkage void __init start_kernel(void)
         calibrate_delay();
         pidmap_init();
         anon_vma_init();
+        acpi_early_init();
 #ifdef CONFIG_X86
         if (efi_enabled(EFI_RUNTIME_SERVICES))
                 efi_enter_virtual_mode();