1 files changed, 19 insertions, 3 deletions

diff --git a/include/asm-ppc64/firmware.h b/include/asm-ppc64/firmware.h
index e3725f3c8ea6..22bb85cf60af 100644
--- a/include/asm-ppc64/firmware.h
+++ b/include/asm-ppc64/firmware.h
@@ -44,9 +44,10 @@
 #define FW_FEATURE_XDABR        (1UL<<18)
 #define FW_FEATURE_MULTITCE     (1UL<<19)
 #define FW_FEATURE_SPLPAR       (1UL<<20)
+#define FW_FEATURE_ISERIES      (1UL<<21)
 
 enum {
-        FW_FEATURE_PSERIES = FW_FEATURE_PFT | FW_FEATURE_TCE |
+        FW_FEATURE_PSERIES_POSSIBLE = FW_FEATURE_PFT | FW_FEATURE_TCE |
                 FW_FEATURE_SPRG0 | FW_FEATURE_DABR | FW_FEATURE_COPY |
                 FW_FEATURE_ASR | FW_FEATURE_DEBUG | FW_FEATURE_TERM |
                 FW_FEATURE_PERF | FW_FEATURE_DUMP | FW_FEATURE_INTERRUPT |
@@ -54,11 +55,25 @@ enum {
                 FW_FEATURE_VIO | FW_FEATURE_RDMA | FW_FEATURE_LLAN |
                 FW_FEATURE_BULK | FW_FEATURE_XDABR | FW_FEATURE_MULTITCE |
                 FW_FEATURE_SPLPAR,
+        FW_FEATURE_PSERIES_ALWAYS = 0,
+        FW_FEATURE_ISERIES_POSSIBLE = FW_FEATURE_ISERIES,
+        FW_FEATURE_ISERIES_ALWAYS = FW_FEATURE_ISERIES,
         FW_FEATURE_POSSIBLE =
 #ifdef CONFIG_PPC_PSERIES
-                FW_FEATURE_PSERIES |
+                FW_FEATURE_PSERIES_POSSIBLE |
+#endif
+#ifdef CONFIG_PPC_ISERIES
+                FW_FEATURE_ISERIES_POSSIBLE |
 #endif
                 0,
+        FW_FEATURE_ALWAYS =
+#ifdef CONFIG_PPC_PSERIES
+                FW_FEATURE_PSERIES_ALWAYS &
+#endif
+#ifdef CONFIG_PPC_ISERIES
+                FW_FEATURE_ISERIES_ALWAYS &
+#endif
+                FW_FEATURE_POSSIBLE,
 };
 
 /* This is used to identify firmware features which are available
@@ -68,7 +83,8 @@ extern unsigned long	ppc64_firmware_features;
 
 static inline unsigned long firmware_has_feature(unsigned long feature)
 {
-        return ppc64_firmware_features & feature & FW_FEATURE_POSSIBLE;
+        return (FW_FEATURE_ALWAYS & feature) ||
+                (FW_FEATURE_POSSIBLE & ppc64_firmware_features & feature);
 }
 
 #ifdef CONFIG_PPC_PSERIES