1 files changed, 5 insertions, 7 deletions

diff --git a/arch/powerpc/platforms/pseries/eeh_pseries.c b/arch/powerpc/platforms/pseries/eeh_pseries.c
index 19506f935737..b456b157d33d 100644
--- a/arch/powerpc/platforms/pseries/eeh_pseries.c
+++ b/arch/powerpc/platforms/pseries/eeh_pseries.c
@@ -83,7 +83,11 @@ static int pseries_eeh_init(void)
         ibm_configure_pe                = rtas_token("ibm,configure-pe");
         ibm_configure_bridge            = rtas_token("ibm,configure-bridge");
 
-        /* necessary sanity check */
+        /*
+         * Necessary sanity check. We needn't check "get-config-addr-info"
+         * and its variant since the old firmware probably support address
+         * of domain/bus/slot/function for EEH RTAS operations.
+         */
         if (ibm_set_eeh_option == RTAS_UNKNOWN_SERVICE) {
                 pr_warning("%s: RTAS service <ibm,set-eeh-option> invalid\n",
                         __func__);
@@ -102,12 +106,6 @@ static int pseries_eeh_init(void)
                 pr_warning("%s: RTAS service <ibm,slot-error-detail> invalid\n",
                         __func__);
                 return -EINVAL;
-        } else if (ibm_get_config_addr_info2 == RTAS_UNKNOWN_SERVICE &&
-                   ibm_get_config_addr_info == RTAS_UNKNOWN_SERVICE) {
-                pr_warning("%s: RTAS service <ibm,get-config-addr-info2> and "
-                        "<ibm,get-config-addr-info> invalid\n",
-                        __func__);
-                return -EINVAL;
         } else if (ibm_configure_pe == RTAS_UNKNOWN_SERVICE &&
                    ibm_configure_bridge == RTAS_UNKNOWN_SERVICE) {
                 pr_warning("%s: RTAS service <ibm,configure-pe> and "