1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 5b4d462117cf..cbfe9ae7a9e5 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -1449,6 +1449,8 @@ static int acpi_bus_scan_fixed(struct acpi_device *root)
         return result;
 }
 
+int __init acpi_boot_ec_enable(void);
+
 static int __init acpi_scan_init(void)
 {
         int result;
@@ -1480,6 +1482,10 @@ static int __init acpi_scan_init(void)
          * Enumerate devices in the ACPI namespace.
          */
         result = acpi_bus_scan_fixed(acpi_root);
+
+        /* EC region might be needed at bus_scan, so enable it now */
+        acpi_boot_ec_enable();
+
         if (!result)
                 result = acpi_bus_scan(acpi_root, &ops);