Merge branch 'for-cifs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

[cascardo/linux.git] / drivers / acpi / sleep.c

diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 2a8b596..7a2e4d4 100644 (file)
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -26,6 +26,11 @@
 #include "internal.h"
 #include "sleep.h"
 
+/*
+ * Some HW-full platforms do not have _S5, so they may need
+ * to leverage efi power off for a shutdown.
+ */
+bool acpi_no_s5;
 static u8 sleep_states[ACPI_S_STATE_COUNT];
 
 static void acpi_sleep_tts_switch(u32 acpi_state)
@@ -882,6 +887,8 @@ int __init acpi_sleep_init(void)
                sleep_states[ACPI_STATE_S5] = 1;
                pm_power_off_prepare = acpi_power_off_prepare;
                pm_power_off = acpi_power_off;
+       } else {
+               acpi_no_s5 = true;
        }
 
        supported[0] = 0;