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[109.252.91.213]) by smtp.googlemail.com with ESMTPSA id v85-v6sm5901lfa.18.2018.09.24.11.22.59 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 24 Sep 2018 11:22:59 -0700 (PDT) Subject: Re: [PATCH v4 12/20] iommu/tegra: gart: Integrate with Memory Controller driver To: Thierry Reding , Joerg Roedel Cc: Jonathan Hunter , Rob Herring , Robin Murphy , iommu@lists.linux-foundation.org, devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org References: <20180924004153.8232-1-digetx@gmail.com> <20180924004153.8232-13-digetx@gmail.com> <20180924102322.GI21032@ulmo> From: Dmitry Osipenko Message-ID: Date: Mon, 24 Sep 2018 21:22:59 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.0 MIME-Version: 1.0 In-Reply-To: <20180924102322.GI21032@ulmo> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 9/24/18 1:23 PM, Thierry Reding wrote: > On Mon, Sep 24, 2018 at 03:41:45AM +0300, Dmitry Osipenko wrote: >> The device-tree binding has been changed. There is no separate GART device >> anymore, it is squashed into the Memory Controller. Integrate GART module >> with the MC in a way it is done for the SMMU of Tegra30+. >> >> Signed-off-by: Dmitry Osipenko >> --- >> drivers/iommu/Kconfig | 1 + >> drivers/iommu/tegra-gart.c | 98 ++++++++++---------------------------- >> drivers/memory/tegra/mc.c | 41 ++++++++++++++++ >> include/soc/tegra/mc.h | 27 +++++++++++ >> 4 files changed, 93 insertions(+), 74 deletions(-) > > I think this could technically have been two patches, but since they'd > have a compile-time dependency either way they need to be applied in the > correct order, so some coordination between IOMMU and Tegra trees is > going to have to happen anyway and might as well just stick this into a > single patch. I assume that Joerg will take the whole series once it's ready (no?), hence your ACK will be needed here and in other patches.