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Mon, 20 Jul 2020 02:25:58 -0700 (PDT) Date: Mon, 20 Jul 2020 11:25:56 +0200 From: Thierry Reding To: Rajesh Gumasta Cc: ldewangan@nvidia.com, jonathanh@nvidia.com, vkoul@kernel.org, dan.j.williams@intel.com, p.zabel@pengutronix.de, dmaengine@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, kyarlagadda@nvidia.com Subject: Re: [Patch v1 0/4] Add Nvidia Tegra GPC-DMA driver Message-ID: <20200720092556.GA2141917@ulmo> References: <1595226856-19241-1-git-send-email-rgumasta@nvidia.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="xHFwDpU9dbj6ez1V" Content-Disposition: inline In-Reply-To: <1595226856-19241-1-git-send-email-rgumasta@nvidia.com> User-Agent: Mutt/1.14.4 (2020-06-18) Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org --xHFwDpU9dbj6ez1V Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Jul 20, 2020 at 12:04:12PM +0530, Rajesh Gumasta wrote: > Add support for Nvida Tegra general purpose DMA driver for > Tegra186 and Tegra194 platform. >=20 > Patch 1: Add dt-binding document for Tegra GPCDMA driver > Patch 2: Add Tegra GPCDMA driver > Patch 3: Enable Tegra GPCDMA as module > Patch 4: Add GPCDMA DT node for Tegra186 and Tegra194 >=20 > Rajesh Gumasta (4): > dt-bindings: dma: Add DT binding document > dma: tegra: Adding Tegra GPC DMA controller driver > arm64: configs: enable tegra gpc dma > arm64: tegra: Add GPCDMA node in dt >=20 > .../bindings/dma/nvidia,tegra-gpc-dma.yaml | 99 ++ > arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi | 4 + > arch/arm64/boot/dts/nvidia/tegra186.dtsi | 46 + > arch/arm64/boot/dts/nvidia/tegra194.dtsi | 44 + > arch/arm64/configs/defconfig | 1 + > drivers/dma/Kconfig | 12 + > drivers/dma/Makefile | 1 + > drivers/dma/tegra-gpc-dma.c | 1512 ++++++++++++++= ++++++ > 8 files changed, 1719 insertions(+) > create mode 100644 Documentation/devicetree/bindings/dma/nvidia,tegra-gp= c-dma.yaml > create mode 100644 drivers/dma/tegra-gpc-dma.c Hi Rajesh, can you provide instructions on how to test that this driver does what it's supposed to? I could probably figure out how to run this with the kernel's built-in dmatest module, but if you could provide a set of parameters that you've used or other instructions on how to validate this it would greatly help. Thanks, Thierry >=20 > --=20 > 2.7.4 >=20 --xHFwDpU9dbj6ez1V Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEiOrDCAFJzPfAjcif3SOs138+s6EFAl8VYxcACgkQ3SOs138+ s6HStBAAl7MTbsKWtMWdKW2SWSsxw6tyr1UuYJ1uhnbPdtFnBsmk41jHmQ28PUCC qaA5Vqrge9tK4CMvblYQWyZ0hCfa/19A0fq4S9naRX0JlyQuNgZlnBfTWdBdVof+ kVTiTgJFmZ750fGEXR37aA3un0nXPrpai/Xn6ILBXxx0pyb6H1b5NaKbRAVys5lR 9BwP72HAgbs9yAQmc3oo1Id0Uh2FJdUoLk2ZldVIbWcTLBzefGZxNQOaZyMQuE3d 7yyzgQA6278biQhQjwKYfp6zdmEXl61BJKl8Jf5L99vgCLPvIw2+cLtlhGLX6svm kgICSknw1s+M7/f5Nh+6LqhgOVv/rMrMcSMwMGrLtaSIBLOHwGnmH/7/JFjGBEL6 jZ91eo2XVZbRkNv73fp1xkbI6BKfgaFdZcLcjZPYIss3ZBfXCUiyAHPlE2B819cB fnDg1n71Vo99WKdt4OA79bE8TEIsAhnl3Kgl2KHzZaETmbKMblbZms7BguvcQbp9 r3XNu0ZjNdRtMNm63wuHpKq8KsWgVGp5AMJnmygSQya6RmxtBbmVc5STVoDawQGu ffYfHXg8oBULPkqfSnIU4kUgi222MJ9SgtW9Rz5gGdtzafBWuzZyl+ivl/Y+/cYa QDLODVGYrtGhhmhIYeAfswQ0gx7U7yUrn8OZMqzIb3fkYCELC14= =sOy/ -----END PGP SIGNATURE----- --xHFwDpU9dbj6ez1V--