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| author | Olof Johansson <olof@lixom.net> | 2017-06-02 02:56:06 +0300 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2017-06-02 03:07:38 +0300 |
| commit | 1ba2eaaacd2cb3e3e0d753d62dae515c6dec8035 (patch) | |
| tree | f75d444520e879f95e264d273ba8619021bd308f /arch/arm64/include/asm/cpufeature.h | |
| parent | 73069883c017d454737d07a5aeab2b1639fcfeca (diff) | |
| parent | 44f73dc42c11398d7b84e94365a485ebd6420798 (diff) | |
| download | linux-1ba2eaaacd2cb3e3e0d753d62dae515c6dec8035.tar.xz | |
Merge tag 'mvebu-fixes-4.12-1' of git://git.infradead.org/linux-mvebu into fixes
mvebu fixes for 4.12
Fix the interrupt description of the crypto node for device tree of
the Armada 7K/8K SoCs
* tag 'mvebu-fixes-4.12-1' of git://git.infradead.org/linux-mvebu: (316 commits)
arm64: marvell: dts: fix interrupts in 7k/8k crypto nodes
+ Linux 4.12-rc2
Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch/arm64/include/asm/cpufeature.h')
| -rw-r--r-- | arch/arm64/include/asm/cpufeature.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/arch/arm64/include/asm/cpufeature.h b/arch/arm64/include/asm/cpufeature.h index e7f84a7b4465..428ee1f2468c 100644 --- a/arch/arm64/include/asm/cpufeature.h +++ b/arch/arm64/include/asm/cpufeature.h @@ -115,6 +115,7 @@ struct arm64_cpu_capabilities { extern DECLARE_BITMAP(cpu_hwcaps, ARM64_NCAPS); extern struct static_key_false cpu_hwcap_keys[ARM64_NCAPS]; +extern struct static_key_false arm64_const_caps_ready; bool this_cpu_has_cap(unsigned int cap); @@ -124,7 +125,7 @@ static inline bool cpu_have_feature(unsigned int num) } /* System capability check for constant caps */ -static inline bool cpus_have_const_cap(int num) +static inline bool __cpus_have_const_cap(int num) { if (num >= ARM64_NCAPS) return false; @@ -138,6 +139,14 @@ static inline bool cpus_have_cap(unsigned int num) return test_bit(num, cpu_hwcaps); } +static inline bool cpus_have_const_cap(int num) +{ + if (static_branch_likely(&arm64_const_caps_ready)) + return __cpus_have_const_cap(num); + else + return cpus_have_cap(num); +} + static inline void cpus_set_cap(unsigned int num) { if (num >= ARM64_NCAPS) { @@ -145,7 +154,6 @@ static inline void cpus_set_cap(unsigned int num) num, ARM64_NCAPS); } else { __set_bit(num, cpu_hwcaps); - static_branch_enable(&cpu_hwcap_keys[num]); } } |