Re: [PATCH v2 1/7] iommu/exynos: Reuse SysMMU constants for page size and order

From: Krzysztof Kozlowski
Date: Tue Jul 12 2022 - 12:19:19 EST

On 11/07/2022 01:05, Sam Protsenko wrote:
> Using SZ_4K in context of SysMMU driver is better than using PAGE_SIZE,
> as PAGE_SIZE might have different value on different platforms. Though
> it would be even better to use more specific constants, already existing
> in SysMMU driver. Make the code more strict by using SPAGE_ORDER and
> SPAGE_SIZE constants.
> It also makes sense, as __sysmmu_tlb_invalidate_entry() also uses
> SPAGE_* constants for further calculations with num_inv param, so it's
> logical that num_inv should be previously calculated using also SPAGE_*
> values.
> Signed-off-by: Sam Protsenko <semen.protsenko@xxxxxxxxxx>

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>

Best regards,