Hi Geert,

Thank you for the patch.

On Wed, Feb 20, 2019 at 04:05:26PM +0100, Geert Uytterhoeven wrote:
> There is a helper to write to the root IPMMU instance's registers, so
> let's use it.
> 
> Signed-off-by: Geert Uytterhoeven <geert+rene...@glider.be>
> ---
>  drivers/iommu/ipmmu-vmsa.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c
> index 9f2b781e20a0eba6..ac70cb967ff821c6 100644
> --- a/drivers/iommu/ipmmu-vmsa.c
> +++ b/drivers/iommu/ipmmu-vmsa.c
> @@ -280,8 +280,7 @@ static void ipmmu_ctx_write_all(struct ipmmu_vmsa_domain 
> *domain,
>               ipmmu_write(domain->mmu,
>                           domain->context_id * IM_CTX_SIZE + reg, data);
>  
> -     ipmmu_write(domain->mmu->root,
> -                 domain->context_id * IM_CTX_SIZE + reg, data);
> +     ipmmu_ctx_write_root(domain, reg, data);

This makes the code harder to read in my opinion, and I don't think it
bring much optimization.

>  }
>  
>  /* 
> -----------------------------------------------------------------------------

-- 
Regards,

Laurent Pinchart

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