1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index e6311f432edf..b11400e2f856 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -793,6 +793,12 @@ static int __init acpi_bus_init(void)
                 goto error1;
         }
 
+        /*
+         * Maybe EC region is required at bus_scan/acpi_get_devices. So it
+         * is necessary to enable it as early as possible.
+         */
+        acpi_boot_ec_enable();
+
         printk(KERN_INFO PREFIX "Interpreter enabled\n");
 
         /* Initialize sleep structures */