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| author | Christophe Leroy <christophe.leroy@c-s.fr> | 2019-08-29 10:45:13 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2019-11-18 12:27:52 +0100 |
| commit | b020aa9d1e875c1c91b1390acdf42320e7060d84 (patch) | |
| tree | 708845af5949cacdf74bc9d0a3c788f5638c6e9f /arch/powerpc/include/asm/reg.h | |
| parent | powerpc: permanently include 8xx registers in reg.h (diff) | |
| download | linux-b020aa9d1e875c1c91b1390acdf42320e7060d84.tar.xz linux-b020aa9d1e875c1c91b1390acdf42320e7060d84.zip | |
powerpc: cleanup hw_irq.h
SET_MSR_EE() is just use in this file and doesn't provide
any added value compared to mtmsr(). Drop it.
Add a wrtee() inline function to use wrtee/wrteei insn.
Replace #ifdefs by IS_ENABLED()
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/a28a20514d5f6df9629c1a117b667e48c4272736.1567068137.git.christophe.leroy@c-s.fr
Diffstat (limited to 'arch/powerpc/include/asm/reg.h')
| -rw-r--r-- | arch/powerpc/include/asm/reg.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index b7faf6c781a7..0b7900f194c8 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -1368,6 +1368,14 @@ static inline void mtmsr_isync(unsigned long val) #define wrtspr(rn) asm volatile("mtspr " __stringify(rn) ",0" : \ : : "memory") +static inline void wrtee(unsigned long val) +{ + if (__builtin_constant_p(val)) + asm volatile("wrteei %0" : : "i" ((val & MSR_EE) ? 1 : 0) : "memory"); + else + asm volatile("wrtee %0" : : "r" (val) : "memory"); +} + extern unsigned long msr_check_and_set(unsigned long bits); extern bool strict_msr_control; extern void __msr_check_and_clear(unsigned long bits); |