From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753996AbbCLLQo (ORCPT ); Thu, 12 Mar 2015 07:16:44 -0400 Received: from denmail01-v4020.amcc.com ([192.195.68.30]:60916 "EHLO denmail01.apm.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1753356AbbCLLQm (ORCPT ); Thu, 12 Mar 2015 07:16:42 -0400 From: Rameshwar Prasad Sahu To: vinod.koul@intel.com, dan.j.williams@intel.com Cc: dmaengine@vger.kernel.org, arnd@arndb.de, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, ddutile@redhat.com, jcm@redhat.com, patches@apm.com, Rameshwar Prasad Sahu , Loc Ho Subject: [PATCH v7 0/3] dmaengine: APM X-Gene SoC DMA engine driver support Date: Thu, 12 Mar 2015 16:45:18 +0530 Message-Id: <1426158921-8987-1-git-send-email-rsahu@apm.com> X-Mailer: git-send-email 1.8.2.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch set implements the APM X-Gene SoC DMA driver support to offload the DMA operations such as memory copy(memcpy), scatter gather memory copy, raid5 xor and raid6 p+q. v7 changes: 1. Added raid5 xor offload support. 2. Added raid6 p+q offload support. v6 changes: 1. Maintained sw queue for pending, running, and completed requests. Used link list as queue. 2. Fixed issue_pending and tx_submit routines. 3. Fixed prep_dma routines. 4. Fixed free_irqs. v5 changes: 1. Minor changes in coding style. 2. Added DMA_CTRL_ACK flag initialization v4 changes: 1. Fixed dma-ranges property on DTS. Signed-off-by: Rameshwar Prasad Sahu Signed-off-by: Loc Ho --- Rameshwar Prasad Sahu (3): dmaengine: Add support for APM X-Gene SoC DMA engine driver arm64: dts: Add APM X-Gene DMA device and DMA clock DTS nodes Documentation: dma: Add APM X-Gene SoC DMA engine driver documentation .../devicetree/bindings/dma/apm-xgene-dma.txt | 47 + arch/arm64/boot/dts/apm/apm-storm.dtsi | 26 + drivers/dma/Kconfig | 9 + drivers/dma/Makefile | 1 + drivers/dma/xgene-dma.c | 2156 ++++++++++++++++++++ 5 files changed, 2239 insertions(+) create mode 100644 Documentation/devicetree/bindings/dma/apm-xgene-dma.txt create mode 100755 drivers/dma/xgene-dma.c -- 1.8.2.1