1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 0710004055c8..296bec89f4a1 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -33,6 +33,7 @@
 #include <linux/proc_fs.h>
 #include <linux/acpi.h>
 #include <linux/slab.h>
+#include <linux/regulator/machine.h>
 #ifdef CONFIG_X86
 #include <asm/mpspec.h>
 #endif
@@ -576,6 +577,14 @@ void __init acpi_early_init(void)
                 goto error0;
         }
 
+        /*
+         * If the system is using ACPI then we can be reasonably
+         * confident that any regulators are managed by the firmware
+         * so tell the regulator core it has everything it needs to
+         * know.
+         */
+        regulator_has_full_constraints();
+
         return;
 
       error0: