tree c172cadcb0556474062dbe772e0b4ed5c3bf23d4
parent b433dce056d3814dc4b33e5a8a533d6401ffcfb0
author Suzuki K. Poulose <suzuki.poulose@arm.com> 1445260769 +0100
committer Catalin Marinas <catalin.marinas@arm.com> 1445273588 +0100

arm64: Introduce helpers for page table levels

Introduce helpers for finding the number of page table
levels required for a given VA width, shift for a particular
page table level.

Convert the existing users to the new helpers. More users
to follow.

Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Suzuki K. Poulose <suzuki.poulose@arm.com>
Acked-by: Christoffer Dall <christoffer.dall@linaro.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>