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-rw-r--r--arch/ppc/kernel/cpu_setup_6xx.S5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/ppc/kernel/cpu_setup_6xx.S b/arch/ppc/kernel/cpu_setup_6xx.S
index 468721d..3fb1fb6 100644
--- a/arch/ppc/kernel/cpu_setup_6xx.S
+++ b/arch/ppc/kernel/cpu_setup_6xx.S
@@ -249,8 +249,11 @@ END_FTR_SECTION_IFSET(CPU_FTR_NO_DPM)
sync
isync
- /* Enable L2 HW prefetch
+ /* Enable L2 HW prefetch, if L2 is enabled
*/
+ mfspr r3,SPRN_L2CR
+ andis. r3,r3,L2CR_L2E@h
+ beqlr
mfspr r3,SPRN_MSSCR0
ori r3,r3,3
sync