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-rw-r--r--arch/powerpc/include/asm/reg.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index 0c0505956a29..fe3f9488f321 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -947,7 +947,7 @@
* 32-bit 8xx:
* - SPRG0 scratch for exception vectors
* - SPRG1 scratch for exception vectors
- * - SPRG2 apparently unused but initialized
+ * - SPRG2 scratch for exception vectors
*
*/
#ifdef CONFIG_PPC64
@@ -1057,6 +1057,7 @@
#ifdef CONFIG_8xx
#define SPRN_SPRG_SCRATCH0 SPRN_SPRG0
#define SPRN_SPRG_SCRATCH1 SPRN_SPRG1
+#define SPRN_SPRG_SCRATCH2 SPRN_SPRG2
#endif