1 files changed, 13 insertions, 2 deletions

diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 13593f9f2197..4c004286b3d9 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -862,8 +862,19 @@ static int ec_install_handlers(struct acpi_ec *ec)
                                                     &acpi_ec_space_handler,
                                                     NULL, ec);
         if (ACPI_FAILURE(status)) {
-                acpi_remove_gpe_handler(NULL, ec->gpe, &acpi_ec_gpe_handler);
-                return -ENODEV;
+                if (status == AE_NOT_FOUND) {
+                        /*
+                         * Maybe OS fails in evaluating the _REG object.
+                         * The AE_NOT_FOUND error will be ignored and OS
+                         * continue to initialize EC.
+                         */
+                        printk(KERN_ERR "Fail in evaluating the _REG object"
+                                " of EC device. Broken bios is suspected.\n");
+                } else {
+                        acpi_remove_gpe_handler(NULL, ec->gpe,
+                                &acpi_ec_gpe_handler);
+                        return -ENODEV;
+                }
         }
 
         ec->handlers_installed = 1;