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=-11.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 76081C433DB for ; Mon, 1 Feb 2021 07:19:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 318D664E31 for ; Mon, 1 Feb 2021 07:19:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231508AbhBAHTp (ORCPT ); Mon, 1 Feb 2021 02:19:45 -0500 Received: from mail.kernel.org ([198.145.29.99]:37586 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231512AbhBAHTH (ORCPT ); Mon, 1 Feb 2021 02:19:07 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 4736864DD8; Mon, 1 Feb 2021 07:16:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1612163817; bh=Zwn/mjIhE8KaLzdWcR0nmtPEaa95EKlnI9n3HIC0218=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Ul8/WhlnRwOFuGNOmIOg2qsXdwR0FMbdh0lyr8hIKNbJ2hUegMbqxnjf4wmb8PKMR zogaXergaIbHMklrTDNMeyJrrybJW9ETUcMiBarS1Vm3DcFB2XpoZUmWYTu6quZOBL G0h3GJoAVaVRRF4+qjmOPzB/wNUO5wfJ4kyTMdjRtEd0CxhTqXg8hvYnu7UTzIL1nb B/3Qt0H/4B6bRVqt3ncIvOATl77/QmksWaHsaS5xM2S85jjuiwhGhFXRMLgcENGGcI KxIs0iL/s5200ZdWSM9QjzjaWPATdiGGWcUr3I4B6aZ8mHIgXBwwPHmYqFwc75AhEV n5NhVXkVVfhZA== Date: Mon, 1 Feb 2021 12:46:52 +0530 From: Vinod Koul To: Gustavo Pimentel Cc: Dan Williams , Bjorn Helgaas , dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org Subject: Re: [PATCH 00/15] dmaengine: dw-edma: HDMA support Message-ID: <20210201071652.GN2771@vkoul-mobl> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 15-12-20, 18:30, Gustavo Pimentel wrote: > This patch series adds the HDMA support, as long the IP design has set > the compatible register map parameter, which allows compatibility at > some degree for the existing Synopsys DesignWare eDMA driver that is > already available on the Kernel. > > The HDMA "Hyper-DMA" IP is an enhancement of the eDMA "embedded-DMA" IP. > > This new improvement comes with a PCI DVSEC that allows to the driver > recognize and switch behavior if it's an eDMA or an HDMA, becoming > retrocompatible, in the absence of this DVSEC, the driver will assume > that is an eDMA IP. > > It also adds the interleaved support, since it will be similar to the > current scatter-gather implementation. > > As well fixes/improves some abnormal behaviors not detected before, such as: > - crash on loading/unloading driver > - memory space definition for the data area and for the linked list space > - scatter-gather address calculation on 32 bits platforms > - minor comment and variable reordering > > Cc: Vinod Koul > Cc: Dan Williams > Cc: Bjorn Helgaas > Cc: dmaengine@vger.kernel.org > Cc: linux-kernel@vger.kernel.org > Cc: linux-pci@vger.kernel.org > > Gustavo Pimentel (15): > dmaengine: dw-edma: Add writeq() and readq() for 64 bits architectures > dmaengine: dw-edma: Fix comments offset characters' alignment > dmaengine: dw-edma: Add support for the HDMA feature > PCI: Add pci_find_vsec_capability() to find a specific VSEC Had this been picked up.. I see we have dependency on pci patch for this series.. > dmaengine: dw-edma: Add PCIe VSEC data retrieval support > dmaengine: dw-edma: Add device_prep_interleave_dma() support > dmaengine: dw-edma: Improve number of channels check > dmaengine: dw-edma: Reorder variables to keep consistency > dmaengine: dw-edma: Improve the linked list and data blocks definition > dmaengine: dw-edma: Change linked list and data blocks offset and > sizes > dmaengine: dw-edma: Move struct dentry variable from static definition > into dw_edma struct > dmaengine: dw-edma: Fix crash on loading/unloading driver > dmaengine: dw-edma: Change DMA abreviation from lower into upper case > dmaengine: dw-edma: Revert fix scatter-gather address calculation > dmaengine: dw-edma: Add pcim_iomap_table return checker > > drivers/dma/dw-edma/dw-edma-core.c | 178 +++++++++++------- > drivers/dma/dw-edma/dw-edma-core.h | 37 ++-- > drivers/dma/dw-edma/dw-edma-pcie.c | 275 +++++++++++++++++++++------- > drivers/dma/dw-edma/dw-edma-v0-core.c | 300 ++++++++++++++++++++++++------- > drivers/dma/dw-edma/dw-edma-v0-core.h | 2 +- > drivers/dma/dw-edma/dw-edma-v0-debugfs.c | 77 ++++---- > drivers/dma/dw-edma/dw-edma-v0-debugfs.h | 4 +- > drivers/dma/dw-edma/dw-edma-v0-regs.h | 291 +++++++++++++++++++----------- > drivers/pci/pci.c | 29 +++ > include/linux/pci.h | 1 + > include/uapi/linux/pci_regs.h | 5 + > 11 files changed, 844 insertions(+), 355 deletions(-) > > -- > 2.7.4 -- ~Vinod