arm64: Add helpers for checking CPU MIDR against a range

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Add helpers for checking if the given CPU midr falls in a range
of variants/revisions for a given model.

Cc: Will Deacon <will.deacon@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Dave Martin <dave.martin@arm.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>

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Suzuki K Poulose 2018-03-26 15:12:44 +01:00 • committed by Will Deacon

parent 5e7951ce19

commit 1df310505d

3 changed files with 37 additions and 13 deletions

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4

arch/arm64/include/asm/cpufeature.h

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30

arch/arm64/include/asm/cputype.h

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16

arch/arm64/kernel/cpu_errata.c

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