From mboxrd@z Thu Jan  1 00:00:00 1970
From: Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
Subject: Re: [PATCH 1/3] iommu/tegra-smmu: Use non-secure register for flushing
Date: Fri, 18 Oct 2019 11:46:31 +0200
Message-ID: <20191018094630.GA4670@8bytes.org>
References: <20191016115026.1768745-1-thierry.reding@gmail.com>
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To: Thierry Reding <thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Dmitry Osipenko <digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, Jon Hunter <jonathanh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
List-Id: linux-tegra@vger.kernel.org

On Wed, Oct 16, 2019 at 01:50:24PM +0200, Thierry Reding wrote:
> From: Navneet Kumar <navneetk-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
> 
> Use PTB_ASID instead of SMMU_CONFIG to flush smmu.
> PTB_ASID can be accessed from non-secure mode, SMMU_CONFIG cannot be.
> Using SMMU_CONFIG could pose a problem when kernel doesn't have secure
> mode access enabled from boot.
> 
> Signed-off-by: Navneet Kumar <navneetk-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
> Reviewed-by: Dmitry Osipenko <digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> Tested-by: Dmitry Osipenko <digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> Signed-off-by: Thierry Reding <treding-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
> ---
>  drivers/iommu/tegra-smmu.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Applied all, thanks.