This function is only used by get_vtb(). They are almost the same
except the reading from the real register. Move the mfspr() to
get_vtb() and kill the function mfvtb(). With this, we can eliminate
the use of cpu_has_feature() in very core header file like reg.h.
This is a preparation for the use of jump label for cpu_has_feature().
Signed-off-by: Kevin Hao <haoke...@gmail.com>
---
v2: No change.
arch/powerpc/include/asm/reg.h | 9 ---------
arch/powerpc/include/asm/time.h | 2 +-
2 files changed, 1 insertion(+), 10 deletions(-)
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index aa1cc5f015ee..d0b5f4b63776 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -1207,15 +1207,6 @@
: "r" ((unsigned long)(v)) \
: "memory")
-static inline unsigned long mfvtb (void)
-{
-#ifdef CONFIG_PPC_BOOK3S_64
- if (cpu_has_feature(CPU_FTR_ARCH_207S))
- return mfspr(SPRN_VTB);
-#endif
- return 0;
-}
-
#ifdef __powerpc64__
#if defined(CONFIG_PPC_CELL) || defined(CONFIG_PPC_FSL_BOOK3E)
#define mftb() ({unsigned long rval; \
diff --git a/arch/powerpc/include/asm/time.h b/arch/powerpc/include/asm/time.h
index 10fc784a2ad4..6f69828458fb 100644
--- a/arch/powerpc/include/asm/time.h
+++ b/arch/powerpc/include/asm/time.h
@@ -106,7 +106,7 @@ static inline u64 get_vtb(void)
{
#ifdef CONFIG_PPC_BOOK3S_64
if (cpu_has_feature(CPU_FTR_ARCH_207S))
- return mfvtb();
+ return mfspr(SPRN_VTB);
#endif
return 0;
}
--
2.1.0
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