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author | Christophe Leroy <christophe.leroy@csgroup.eu> | 2020-10-01 14:42:44 +0200 |
---|---|---|
committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-10-08 12:17:16 +0200 |
commit | 9686e431c683ee7b8aca0f3985c244aee3d9f30d (patch) | |
tree | 18d49f6c9a6591f903bd2600056084f63e971a93 | |
parent | powerpc/time: Make get_tbl() common to PPC32 and PPC64 (diff) | |
download | linux-9686e431c683ee7b8aca0f3985c244aee3d9f30d.tar.xz linux-9686e431c683ee7b8aca0f3985c244aee3d9f30d.zip |
powerpc/time: Make get_tb() common to PPC32 and PPC64
mftbu() is always defined now, so the #ifdef can be removed
and replaced by an IS_ENABLED(CONFIG_PPC64) inside the
PPC32 version of get_tb().
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/47e49717d2643169ffcbe5d507f184cf49f0fe95.1601556145.git.christophe.leroy@csgroup.eu
-rw-r--r-- | arch/powerpc/include/asm/time.h | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/arch/powerpc/include/asm/time.h b/arch/powerpc/include/asm/time.h index 6ec0409d10f4..2f566c1a754c 100644 --- a/arch/powerpc/include/asm/time.h +++ b/arch/powerpc/include/asm/time.h @@ -53,16 +53,13 @@ static inline u64 get_vtb(void) return 0; } -#ifdef CONFIG_PPC64 -static inline u64 get_tb(void) -{ - return mftb(); -} -#else /* CONFIG_PPC64 */ static inline u64 get_tb(void) { unsigned int tbhi, tblo, tbhi2; + if (IS_ENABLED(CONFIG_PPC64)) + return mftb(); + do { tbhi = mftbu(); tblo = mftb(); @@ -71,7 +68,6 @@ static inline u64 get_tb(void) return ((u64)tbhi << 32) | tblo; } -#endif /* !CONFIG_PPC64 */ static inline void set_tb(unsigned int upper, unsigned int lower) { |