Merge branch 'ec' into test

[linux-2.6-omap-h63xx.git] / drivers / acpi / ec.c

diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 444cd9ed12c79a772a9012b178d6f7545cffb24a..4178d17aa0edc2bc8576d44ee6d4bae184c6dcfb 100644 (file)
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -871,8 +871,19 @@ 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;
+               }
        }
 
        set_bit(EC_FLAGS_HANDLERS_INSTALLED, &ec->flags);