From patchwork Mon Aug 21 21:10:52 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dave Jiang X-Patchwork-Id: 9913813 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 1BD30603FF for ; Mon, 21 Aug 2017 21:11:07 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0D96128799 for ; Mon, 21 Aug 2017 21:11:07 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 02371287C3; Mon, 21 Aug 2017 21:11:06 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from ml01.01.org (ml01.01.org [198.145.21.10]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id C787D287EB for ; Mon, 21 Aug 2017 21:11:05 +0000 (UTC) Received: from [127.0.0.1] (localhost [IPv6:::1]) by ml01.01.org (Postfix) with ESMTP id 1F14721E79020; Mon, 21 Aug 2017 14:08:22 -0700 (PDT) X-Original-To: linux-nvdimm@lists.01.org Delivered-To: linux-nvdimm@lists.01.org Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id C0E2C21E2DA78 for ; Mon, 21 Aug 2017 14:08:20 -0700 (PDT) Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga105.fm.intel.com with ESMTP; 21 Aug 2017 14:10:52 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.41,409,1498546800"; d="scan'208";a="142954373" Received: from djiang5-desk3.ch.intel.com ([143.182.137.38]) by fmsmga006.fm.intel.com with ESMTP; 21 Aug 2017 14:10:52 -0700 Subject: [PATCH v5 3/7] dmaengine: add verification of DMA_MEMSET_SG in dmaengine From: Dave Jiang To: vinod.koul@intel.com, dan.j.williams@intel.com Date: Mon, 21 Aug 2017 14:10:52 -0700 Message-ID: <150334985220.55214.14496223598377636920.stgit@djiang5-desk3.ch.intel.com> In-Reply-To: <150333903164.55214.3813479680626005389.stgit@djiang5-desk3.ch.intel.com> References: <150333903164.55214.3813479680626005389.stgit@djiang5-desk3.ch.intel.com> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 X-BeenThere: linux-nvdimm@lists.01.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Linux-nvdimm developer list." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: dmaengine@vger.kernel.org, hch@infradead.org, linux-nvdimm@lists.01.org Errors-To: linux-nvdimm-bounces@lists.01.org Sender: "Linux-nvdimm" X-Virus-Scanned: ClamAV using ClamSMTP DMA_MEMSET_SG is missing the verification of having the operation set and also a supporting function provided. Fixes: Commit 50c7cd2bd ("dmaengine: Add scatter-gathered memset") Signed-off-by: Dave Jiang --- drivers/dma/dmaengine.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c index 4d2c4e1..40a035e 100644 --- a/drivers/dma/dmaengine.c +++ b/drivers/dma/dmaengine.c @@ -935,6 +935,8 @@ int dma_async_device_register(struct dma_device *device) !device->device_prep_dma_pq_val); BUG_ON(dma_has_cap(DMA_MEMSET, device->cap_mask) && !device->device_prep_dma_memset); + BUG_ON(dma_has_cap(DMA_MEMSET_SG, device->cap_mask) && + !device->device_prep_dma_memset_sg); BUG_ON(dma_has_cap(DMA_INTERRUPT, device->cap_mask) && !device->device_prep_dma_interrupt); BUG_ON(dma_has_cap(DMA_MEMCPY_SG, device->cap_mask) &&