powerpc: Make load_up_fpu and load_up_altivec callable

Make load_up_fpu and load_up_altivec callable so they can be reused by
the VSX code.

Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 7 insertions, 3 deletions

diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S
index dd9e6595cae5..64433731d995 100644
--- a/arch/powerpc/kernel/head_64.S
+++ b/arch/powerpc/kernel/head_64.S
@@ -741,7 +741,8 @@ fp_unavailable_common:
         ENABLE_INTS
         bl      .kernel_fp_unavailable_exception
         BUG_OPCODE
-1:      b       .load_up_fpu
+1:      bl      .load_up_fpu
+        b       fast_exception_return
 
         .align  7
         .globl altivec_unavailable_common
@@ -749,7 +750,10 @@ altivec_unavailable_common:
         EXCEPTION_PROLOG_COMMON(0xf20, PACA_EXGEN)
 #ifdef CONFIG_ALTIVEC
 BEGIN_FTR_SECTION
-        bne     .load_up_altivec        /* if from user, just load it up */
+        beq     1f
+        bl      .load_up_altivec
+        b       fast_exception_return
+1:
 END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC)
 #endif
         bl      .save_nvgprs
@@ -829,7 +833,7 @@ _STATIC(load_up_altivec)
         std     r4,0(r3)
 #endif /* CONFIG_SMP */
         /* restore registers and return */
-        b       fast_exception_return
+        blr
 #endif /* CONFIG_ALTIVEC */
 
 /*