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[217.229.21.163]) by smtp.gmail.com with ESMTPSA id j27-v6sm2014208wmc.17.2018.09.25.03.02.02 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 25 Sep 2018 03:02:03 -0700 (PDT) Date: Tue, 25 Sep 2018 12:02:02 +0200 From: Thierry Reding To: Dmitry Osipenko Cc: Joerg Roedel , 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 Subject: Re: [PATCH v4 12/20] iommu/tegra: gart: Integrate with Memory Controller driver Message-ID: <20180925100202.GE7097@ulmo> References: <20180924004153.8232-1-digetx@gmail.com> <20180924004153.8232-13-digetx@gmail.com> <20180924102322.GI21032@ulmo> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="Qz2CZ664xQdCRdPu" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --Qz2CZ664xQdCRdPu Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Sep 24, 2018 at 09:22:59PM +0300, Dmitry Osipenko wrote: > 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 de= vice > >> anymore, it is squashed into the Memory Controller. Integrate GART mod= ule > >> 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(-) > >=20 > > 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. >=20 > 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. Yeah, either Joerg takes them all with my Acked-by's or provides his for the IOMMU bits and I take the batch through the Tegra tree. I don't have a strong preference. 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