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[PATCH 13/17] arm64: cpu_errata: Allow an erratum to be match for all revisions of a core

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Some minor erratum may not be fixed in further revisions of a core,
leading to a situation where the workaround needs to be updated each
time an updated core is released.

Introduce a MIDR_ALL_VERSIONS match helper that will work for all
versions of that MIDR, once and for all.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
---
 arch/arm64/kernel/cpu_errata.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c
index f6cc67e7626e..2be1d1c05303 100644
--- a/arch/arm64/kernel/cpu_errata.c
+++ b/arch/arm64/kernel/cpu_errata.c
@@ -53,6 +53,13 @@ static int cpu_enable_trap_ctr_access(void *__unused)
 	.midr_range_min = min, \
 	.midr_range_max = max
 
+#define MIDR_ALL_VERSIONS(model) \
+	.def_scope = SCOPE_LOCAL_CPU, \
+	.matches = is_affected_midr_range, \
+	.midr_model = model, \
+	.midr_range_min = 0, \
+	.midr_range_max = (MIDR_VARIANT_MASK | MIDR_REVISION_MASK)
+
 const struct arm64_cpu_capabilities arm64_errata[] = {
 #if	defined(CONFIG_ARM64_ERRATUM_826319) || \
 	defined(CONFIG_ARM64_ERRATUM_827319) || \
-- 
2.11.0

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[PATCH 00/17] clocksource/arch_timer: Errara workaround infrastructure rework Marc Zyngier <marc.zyngier@arm.com> - 2017-03-06 12:40 +0100
  [PATCH 05/17] arm64: arch_timer: Move arch_timer_reg_read/write around Marc Zyngier <marc.zyngier@arm.com> - 2017-03-06 12:40 +0100
  [PATCH 01/17] arm64: arch_timer: Add infrastructure for multiple erratum detection methods Marc Zyngier <marc.zyngier@arm.com> - 2017-03-06 12:40 +0100
    Re: [PATCH 01/17] arm64: arch_timer: Add infrastructure for multiple  erratum detection methods Hanjun Guo <hanjun.guo@linaro.org> - 2017-03-07 18:00 +0100
  [PATCH 04/17] arm64: arch_timer: Add erratum handler for CPU-specific capability Marc Zyngier <marc.zyngier@arm.com> - 2017-03-06 12:40 +0100
  [PATCH 07/17] arm64: arch_timer: Rework the set_next_event workarounds Marc Zyngier <marc.zyngier@arm.com> - 2017-03-06 12:40 +0100
    Re: [PATCH 07/17] arm64: arch_timer: Rework the set_next_event  workarounds Hanjun Guo <hanjun.guo@linaro.org> - 2017-03-07 14:30 +0100
  [PATCH 06/17] arm64: arch_timer: Get rid of erratum_workaround_set_sne Marc Zyngier <marc.zyngier@arm.com> - 2017-03-06 12:40 +0100
  [PATCH 13/17] arm64: cpu_errata: Allow an erratum to be match for all revisions of a core Marc Zyngier <marc.zyngier@arm.com> - 2017-03-06 12:40 +0100
  [PATCH 08/17] arm64: arch_timer: Make workaround methods optional Marc Zyngier <marc.zyngier@arm.com> - 2017-03-06 12:40 +0100
  [PATCH 02/17] arm64: arch_timer: Add erratum handler for globally defined capability Marc Zyngier <marc.zyngier@arm.com> - 2017-03-06 12:40 +0100
  Re: [PATCH 00/17] clocksource/arch_timer: Errara workaround  infrastructure rework dann frazier <dann.frazier@canonical.com> - 2017-03-06 23:10 +0100
  Re: [PATCH 00/17] clocksource/arch_timer: Errara workaround  infrastructure rework Hanjun Guo <hanjun.guo@linaro.org> - 2017-03-07 14:30 +0100

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