From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.3 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B4E3BC4345F for ; Mon, 20 Jul 2020 15:42:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8753F2176B for ; Mon, 20 Jul 2020 15:42:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="L3T/Iusz" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730033AbgGTPmS (ORCPT ); Mon, 20 Jul 2020 11:42:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39358 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729405AbgGTPmQ (ORCPT ); Mon, 20 Jul 2020 11:42:16 -0400 Received: from merlin.infradead.org (merlin.infradead.org [IPv6:2001:8b0:10b:1231::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3AF85C061794; Mon, 20 Jul 2020 08:42:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=merlin.20170209; h=Content-Transfer-Encoding:Content-Type: In-Reply-To:MIME-Version:Date:Message-ID:From:References:Cc:To:Subject:Sender :Reply-To:Content-ID:Content-Description; bh=uW55VeHLVejAEsOOwgk58cdmqasy1mJu39UYVDzDOtA=; b=L3T/Iusz7O9DXHHnLq9Ab4GK7b e0tKSup3EHUcx8aIUxq80LzKMoZQfssWvqOq1CGIgcX1o34SBug0S30t3ft49tobIC8llTeJzauRM uiIrQmmexuFchoXq9lqubYT9VhbyW+aQRFSUhktu+bzKgWMShZmGKnbkm4lUgQqm0vp5kpaZuSEOF h5sT4CHDg7+rvGDHcOv1SQniCt6nCNen/1uguff73ZXpWt4OaHsk7BZ+PQZBzpGUhsAOK/CKnMQCt gB90pST/N08SqxSPOtrA3paUoK2ux77xvN6YDjlN9q0nWOn/AtxMEs+F8EdNxHb9nvu7s3/Fdwhjj CJZK2H8g==; Received: from [2601:1c0:6280:3f0::19c2] by merlin.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1jxXve-0002sl-Sm; Mon, 20 Jul 2020 15:42:11 +0000 Subject: Re: [Patch v1 2/4] dma: tegra: Adding Tegra GPC DMA controller driver To: Rajesh Gumasta , ldewangan@nvidia.com, jonathanh@nvidia.com, vkoul@kernel.org, dan.j.williams@intel.com, thierry.reding@gmail.com, p.zabel@pengutronix.de, dmaengine@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Cc: kyarlagadda@nvidia.com, Pavan Kunapuli References: <1595226856-19241-1-git-send-email-rgumasta@nvidia.com> <1595226856-19241-3-git-send-email-rgumasta@nvidia.com> From: Randy Dunlap Message-ID: Date: Mon, 20 Jul 2020 08:42:03 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <1595226856-19241-3-git-send-email-rgumasta@nvidia.com> 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 7/19/20 11:34 PM, Rajesh Gumasta wrote: > diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig > index e9ed916..be4c395 100644 > --- a/drivers/dma/Kconfig > +++ b/drivers/dma/Kconfig > @@ -639,6 +639,18 @@ config TEGRA210_ADMA > peripheral and vice versa. It does not support memory to > memory data transfer. > > +config TEGRA_GPC_DMA > + tristate "NVIDIA Tegra GPC DMA support" > + depends on ARCH_TEGRA_186_SOC || ARCH_TEGRA_194_SOC || COMPILE_TEST > + select DMA_ENGINE > + help > + Support for the NVIDIA Tegra186 and Tegra194 GPC DMA controller > + driver. The DMA controller is having multiple DMA channel which The DMA controller has multiple DMA channels which > + can be configured for different peripherals like UART, SPI, etc > + which are on APB bus. > + This DMA controller transfers data from memory to peripheral fifo FIFO > + or vice versa. It also supports memory to memory data transfer. > + > config TIMB_DMA > tristate "Timberdale FPGA DMA support" > depends on MFD_TIMBERDALE || COMPILE_TEST thanks. -- ~Randy