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[91.79.175.49]) by smtp.googlemail.com with ESMTPSA id t23sm948406lfl.59.2019.01.31.10.15.16 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 31 Jan 2019 10:15:16 -0800 (PST) Subject: Re: [PATCH V7 3/5] i2c: tegra: Add DMA Support From: Dmitry Osipenko To: Thierry Reding , Sowjanya Komatineni Cc: jonathanh@nvidia.com, mkarthik@nvidia.com, smohammed@nvidia.com, talho@nvidia.com, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org References: <1548864096-20974-1-git-send-email-skomatineni@nvidia.com> <1548864096-20974-3-git-send-email-skomatineni@nvidia.com> <1f10cb76-59a1-93c5-ae03-ccc0cd8db1a3@gmail.com> <20190131120640.GF23438@ulmo> <0e832fa6-f143-7b24-2685-b88a55e77e51@gmail.com> <20190131144344.GP23438@ulmo> <6c2909cb-f31c-921d-8449-79ec77c02d9b@gmail.com> <48135b67-eed7-9a9d-de3e-e400e8ef8176@gmail.com> Message-ID: <7ddf46a8-ae98-c567-6d3d-8155989effb5@gmail.com> Date: Thu, 31 Jan 2019 21:15:15 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0 MIME-Version: 1.0 In-Reply-To: <48135b67-eed7-9a9d-de3e-e400e8ef8176@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 31.01.2019 21:08, Dmitry Osipenko пишет: > 31.01.2019 19:55, Dmitry Osipenko пишет: > +config I2C_TEGRA_DMA_SUPPORT > + bool "NVIDIA Tegra internal I2C controller DMA support" > + depends on I2C_TEGRA > + depends on TEGRA20_APB_DMA && ARCH_TEGRA_2x_SOC > + depends on TEGRA20_APB_DMA && ARCH_TEGRA_3x_SOC > + depends on TEGRA20_APB_DMA && ARCH_TEGRA_114_SOC > + depends on TEGRA20_APB_DMA && ARCH_TEGRA_124_SOC > + depends on TEGRA20_APB_DMA && ARCH_TEGRA_210_SOC > + help > + If you say yes to this option, DMA engine integration support will > + be included for the I2C controller embedded in NVIDIA Tegra SOCs > + Actually, seems should be like that: config I2C_TEGRA_DMA_SUPPORT bool "NVIDIA Tegra internal I2C controller DMA support" depends on I2C_TEGRA depends on (TEGRA20_APB_DMA && ARCH_TEGRA_2x_SOC) || \ (TEGRA20_APB_DMA && ARCH_TEGRA_3x_SOC) || \ (TEGRA20_APB_DMA && ARCH_TEGRA_114_SOC) || \ (TEGRA20_APB_DMA && ARCH_TEGRA_124_SOC) || \ (TEGRA20_APB_DMA && ARCH_TEGRA_210_SOC) help If you say yes to this option, DMA engine integration support will be included for the I2C controller embedded in NVIDIA Tegra SOCs But you got the idea.