diff options
Diffstat (limited to 'arch/arm64/kernel/cpufeature.c')
| -rw-r--r-- | arch/arm64/kernel/cpufeature.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c index 116a5c9443a7..5612d6f46331 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -1039,6 +1039,7 @@ static const struct arm64_cpu_capabilities arm64_features[] = { .sign = FTR_UNSIGNED, .field_pos = ID_AA64PFR0_RAS_SHIFT, .min_field_value = ID_AA64PFR0_RAS_V1, + .enable = cpu_clear_disr, }, #endif /* CONFIG_ARM64_RAS_EXTN */ {}, @@ -1470,3 +1471,11 @@ static int __init enable_mrs_emulation(void) } core_initcall(enable_mrs_emulation); + +int cpu_clear_disr(void *__unused) +{ + /* Firmware may have left a deferred SError in this register. */ + write_sysreg_s(0, SYS_DISR_EL1); + + return 0; +} |