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| author | Marc Zyngier <marc.zyngier@arm.com> | 2017-01-19 18:20:59 +0100 |
|---|---|---|
| committer | Marc Zyngier <marc.zyngier@arm.com> | 2017-04-07 12:22:08 +0200 |
| commit | 651bb2e9dca6e6dbad3fba5f6e6086a23575b8b5 (patch) | |
| tree | f7325f49f59ac0b20f78bd66917414005943e86b /arch/arm64 | |
| parent | arm64: cpu_errata: Add capability to advertise Cortex-A73 erratum 858921 (diff) | |
| download | linux-651bb2e9dca6e6dbad3fba5f6e6086a23575b8b5.tar.xz linux-651bb2e9dca6e6dbad3fba5f6e6086a23575b8b5.zip | |
arm64: arch_timer: Add infrastructure for multiple erratum detection methods
We're currently stuck with DT when it comes to handling errata, which
is pretty restrictive. In order to make things more flexible, let's
introduce an infrastructure that could support alternative discovery
methods. No change in functionality.
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'arch/arm64')
| -rw-r--r-- | arch/arm64/include/asm/arch_timer.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/arm64/include/asm/arch_timer.h b/arch/arm64/include/asm/arch_timer.h index b4b34004a21e..5cd964e90d11 100644 --- a/arch/arm64/include/asm/arch_timer.h +++ b/arch/arm64/include/asm/arch_timer.h @@ -37,9 +37,14 @@ extern struct static_key_false arch_timer_read_ool_enabled; #define needs_unstable_timer_counter_workaround() false #endif +enum arch_timer_erratum_match_type { + ate_match_dt, +}; struct arch_timer_erratum_workaround { - const char *id; /* Indicate the Erratum ID */ + enum arch_timer_erratum_match_type match_type; + const void *id; + const char *desc; u32 (*read_cntp_tval_el0)(void); u32 (*read_cntv_tval_el0)(void); u64 (*read_cntvct_el0)(void); |