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arm64: Refactor check_cpu_capabilities

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check_cpu_capabilities runs through a given list of caps and
checks if the system has the cap, updates the system capability
bitmap and also runs any enable() methods associated with them.
All of this is not quite obvious from the name 'check'. This
patch splits the check_cpu_capabilities into two parts :

1) update_cpu_capabilities
 => Runs through the given list and updates the system
    wide capability map.
2) enable_cpu_capabilities
 => Runs through the given list and invokes enable() (if any)
    for the caps enabled on the system.

Cc: Andre Przywara <andre.przywara@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Suggested-by: Catalin Marinas <catalin.marinsa@arm.com>
Signed-off-by: Suzuki K. Poulose <suzuki.poulose@arm.com>
Tested-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Suzuki K. Poulose
2015-10-19 14:24:49 +01:00
committed by Catalin Marinas
parent c1e8656cba
commit ce8b602c69
3 changed files with 13 additions and 5 deletions
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2
arch/arm64/kernel/cpu_errata.c
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@@ -88,5 +88,5 @@ const struct arm64_cpu_capabilities arm64_errata[] = {
void check_local_cpu_errata(void)
{
check_cpu_capabilities(arm64_errata, "enabling workaround for");
update_cpu_capabilities(arm64_errata, "enabling workaround for");
}