ppc64 iSeries: Make stab_initialize() work on iSeries

We don't need to call stab_initialize() for the boot cpu on iSeries, so
we hack around it so that early_setup() can be called on iSeries.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>

1 files changed, 3 insertions, 1 deletions

diff --git a/arch/ppc64/kernel/setup.c b/arch/ppc64/kernel/setup.c
index 5ac48bd6489..ca8acf671e4 100644
--- a/arch/ppc64/kernel/setup.c
+++ b/arch/ppc64/kernel/setup.c
@@ -58,6 +58,7 @@
 #include <asm/mmu.h>
 #include <asm/lmb.h>
 #include <asm/iSeries/ItLpNaca.h>
+#include <asm/firmware.h>
 
 #ifdef DEBUG
 #define DBG(fmt...) udbg_printf(fmt)
@@ -401,7 +402,8 @@ void __init early_setup(unsigned long dt_ptr)
         /*
          * Initialize stab / SLB management
          */
-        stab_initialize(lpaca->stab_real);
+        if (!firmware_has_feature(FW_FEATURE_ISERIES))
+                stab_initialize(lpaca->stab_real);
 
         /*
          * Initialize the MMU Hash table and create the linear mapping