Received: by 10.213.65.68 with SMTP id h4csp570018imn; Tue, 27 Mar 2018 04:59:17 -0700 (PDT) X-Google-Smtp-Source: AG47ELt8GcTjiZ1+dp19zKS+JLIeyG3zZk8o+Mcc45uZL0yNA2hrwHNakXymDNRil42o5dcvIjTz X-Received: by 2002:a17:902:64cf:: with SMTP id y15-v6mr21671147pli.49.1522151957141; Tue, 27 Mar 2018 04:59:17 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1522151957; cv=none; d=google.com; s=arc-20160816; b=JLpzyuu1yc9UlCTqvm5zMsBBUwRXB/8vXA0nlhK5txViGDxUdYsjAfJLyoCxl4WDWk v/RPiTJ9B4ZpGbtnhDon+c7gYAm0+W2c++gdEtBB2R/tZOtN7fPiojl7jBEL+9qsSCSs uEhCwy4kIMc5bwrLRIyLeN0HXL8Sm3hfmUikFYkJ7OUuYdlek8SFQcr0CYdwah7oEgTG y5L9Fs8SwmpZ/mWSzIpCbkb3X142D1DJ7CViyQW5zfKeUFFwDkSJmBx8Mj7IERFLg2XC TCFr7GR72eT/XF88J/3kkjT1yxjowMi4cb93I0FoOu96eNHru3VOvU4mnXMGrHDB3TPr 22TA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:arc-authentication-results; bh=BVVRwMWdjlUpsF6BEifz9KIlRy5ttyM526Zrwj8ivvk=; b=cs8BZt5SvYvlAMiGxRdr8Wh4oBTrAdh0queseOb38/jckXvdNq3Gq1NwCOPfxOTDOg QrDwCCUJZ5VBHHq1yfXp8AtGQOjDgcEzcO5ipvmh8cOIS9xn+houLiDHT+le7aW8A8Mc i8ROD06/VPc36cvI3CH/xEL0XBYWJyHOAmgS9ybxCogNSI9zKzwXCGFzG36VQTGib0Vb 4CnrclrcjolPnsD4Tzhtf2eY9+u0EZCzrLkMocyB8S3u83j4iaPWhp2kMaAJT5lEQATQ Lvnx5IyOlTfg+kZKNP1jd6CaqU6J3I/WD2EZdEIIOqt/bQO+i6ZSd4inD4SOEw+xFSIl w85A== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id n11-v6si1136411plg.565.2018.03.27.04.59.02; Tue, 27 Mar 2018 04:59:17 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752163AbeC0L5g (ORCPT + 99 others); Tue, 27 Mar 2018 07:57:36 -0400 Received: from mga18.intel.com ([134.134.136.126]:4490 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751137AbeC0L5e (ORCPT ); Tue, 27 Mar 2018 07:57:34 -0400 X-Amp-Result: UNSCANNABLE X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga106.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 27 Mar 2018 04:57:34 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.48,367,1517904000"; d="scan'208";a="28800979" Received: from vkoul-udesk7.iind.intel.com (HELO localhost) ([10.223.84.143]) by orsmga008.jf.intel.com with ESMTP; 27 Mar 2018 04:57:31 -0700 Date: Tue, 27 Mar 2018 17:31:46 +0530 From: Vinod Koul To: sean.wang@mediatek.com Cc: dan.j.williams@intel.com, robh+dt@kernel.org, mark.rutland@arm.com, dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v7 0/3] add support for Mediatek High-Speed DMA controller on MT7622 and MT7623 SoC Message-ID: <20180327120146.GI15443@localhost> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Mar 15, 2018 at 03:40:34PM +0800, sean.wang@mediatek.com wrote: > From: Sean Wang > > > This patchset introduces support for MediaTek High-Speed DMA controller > (MTK-HSDMA) Currently, the driver is already tested successfully with > dmatest module on MT7622 and MT7623 SoC. > > MTK-HSDMA on MT7622/23 SoC has a single ring which is dedicated for > doing memory-to-memory transfer through ring-based descriptor management. > Even though there is only a single ring available inside HSDMA, the > driver is being extended to the support for multiple virtual channels > processing simultaneously by means of DMA_VIRTUAL_CHANNELS. Applied all, thanks -- ~Vinod