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| author |   Christophe Leroy <christophe.leroy@csgroup.eu> | 2020-10-01 12:42:40 +0000 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2020-10-08 21:17:15 +1100 |
| commit | ff125fbcd45d1706861579dbe66e31f5b3f1e779 (patch) | |
| tree | dfc5fc70f8dfb7efdc95b6dd63a95b4b4c1c0974 /arch/powerpc/include/asm/reg.h | |
| parent | powerpc/time: Rename mftbl() to mftb() (diff) | |
| download | linux-dev-ff125fbcd45d1706861579dbe66e31f5b3f1e779.tar.xz linux-dev-ff125fbcd45d1706861579dbe66e31f5b3f1e779.zip | |
powerpc/time: Make mftb() common to PPC32 and PPC64
No need to have two versions that are identical.
CONFIG_PPC_CELL is only selected by PPC64 targets.
CONFIG_E500 is the only PPC64 target selecting CONFIG_FSL_BOOK3E.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/6bf23ec744aab4ba63506a011f6a145ea35d620d.1601556145.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'arch/powerpc/include/asm/reg.h')
| -rw-r--r-- | arch/powerpc/include/asm/reg.h | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index c66dcdb47c44..f877a576b338 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -1419,8 +1419,7 @@ static inline void msr_check_and_clear(unsigned long bits) __msr_check_and_clear(bits); } -#ifdef __powerpc64__ -#if defined(CONFIG_PPC_CELL) || defined(CONFIG_PPC_FSL_BOOK3E) +#if defined(CONFIG_PPC_CELL) || defined(CONFIG_E500) #define mftb() ({unsigned long rval; \ asm volatile( \ "90: mfspr %0, %2;\n" \ @@ -1430,28 +1429,23 @@ static inline void msr_check_and_clear(unsigned long bits) : "=r" (rval) \ : "i" (CPU_FTR_CELL_TB_BUG), "i" (SPRN_TBRL) : "cr0"); \ rval;}) +#elif defined(CONFIG_PPC_8xx) +#define mftb() ({unsigned long rval; \ + asm volatile("mftbl %0" : "=r" (rval)); rval;}) #else #define mftb() ({unsigned long rval; \ asm volatile("mfspr %0, %1" : \ "=r" (rval) : "i" (SPRN_TBRL)); rval;}) #endif /* !CONFIG_PPC_CELL */ -#else /* __powerpc64__ */ - #if defined(CONFIG_PPC_8xx) -#define mftb() ({unsigned long rval; \ - asm volatile("mftbl %0" : "=r" (rval)); rval;}) #define mftbu() ({unsigned long rval; \ asm volatile("mftbu %0" : "=r" (rval)); rval;}) #else -#define mftb() ({unsigned long rval; \ - asm volatile("mfspr %0, %1" : "=r" (rval) : \ - "i" (SPRN_TBRL)); rval;}) #define mftbu() ({unsigned long rval; \ asm volatile("mfspr %0, %1" : "=r" (rval) : \ "i" (SPRN_TBRU)); rval;}) #endif -#endif /* !__powerpc64__ */ #define mttbl(v) asm volatile("mttbl %0":: "r"(v)) #define mttbu(v) asm volatile("mttbu %0":: "r"(v)) |