From patchwork Wed Aug 14 23:12:44 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joel Fernandes X-Patchwork-Id: 2844873 Return-Path: X-Original-To: patchwork-linux-omap@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id E11429F239 for ; Wed, 14 Aug 2013 23:15:25 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 14B9B20461 for ; Wed, 14 Aug 2013 23:15:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0C62F20423 for ; Wed, 14 Aug 2013 23:15:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933547Ab3HNXPA (ORCPT ); Wed, 14 Aug 2013 19:15:00 -0400 Received: from comal.ext.ti.com ([198.47.26.152]:58124 "EHLO comal.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933514Ab3HNXNp (ORCPT ); Wed, 14 Aug 2013 19:13:45 -0400 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by comal.ext.ti.com (8.13.7/8.13.7) with ESMTP id r7ENDBK4015039; Wed, 14 Aug 2013 18:13:11 -0500 Received: from DFLE73.ent.ti.com (dfle73.ent.ti.com [128.247.5.110]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id r7ENDBeQ026599; Wed, 14 Aug 2013 18:13:11 -0500 Received: from dlelxv22.itg.ti.com (172.17.1.197) by DFLE73.ent.ti.com (128.247.5.110) with Microsoft SMTP Server id 14.2.342.3; Wed, 14 Aug 2013 18:13:10 -0500 Received: from joel-laptop.itg.ti.com (h56-176.vpn.ti.com [172.24.56.176]) by dlelxv22.itg.ti.com (8.13.8/8.13.8) with ESMTP id r7ENCnGq031508; Wed, 14 Aug 2013 18:13:10 -0500 From: Joel Fernandes To: Herbert Xu , "David S. Miller" , Mark Greer , Tony Lindgren , Santosh Shilimkar , Rajendra Nayak , Lokesh Vutla CC: Linux OMAP List , Linux ARM Kernel List , Linux Kernel Mailing List , Linux Crypto Mailing List , Joel Fernandes Subject: [PATCH 05/10] crypto: omap-aes: Sync SG before DMA operation Date: Wed, 14 Aug 2013 18:12:44 -0500 Message-ID: <1376521969-16807-6-git-send-email-joelf@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1376521969-16807-1-git-send-email-joelf@ti.com> References: <1376521969-16807-1-git-send-email-joelf@ti.com> MIME-Version: 1.0 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Spam-Status: No, score=-9.7 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Earlier functions that did a similar sync are replaced by the dma_sync_sg_* which can operate on entire SG list. Signed-off-by: Joel Fernandes --- drivers/crypto/omap-aes.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/crypto/omap-aes.c b/drivers/crypto/omap-aes.c index 9104a7f..df2f867 100644 --- a/drivers/crypto/omap-aes.c +++ b/drivers/crypto/omap-aes.c @@ -499,6 +499,8 @@ static int omap_aes_crypt_dma(struct crypto_tfm *tfm, struct dma_slave_config cfg; int ret; + dma_sync_sg_for_device(dd->dev, dd->in_sg, in_sg_len, DMA_TO_DEVICE); + memset(&cfg, 0, sizeof(cfg)); cfg.src_addr = dd->phys_base + AES_REG_DATA_N(dd, 0); @@ -686,6 +688,8 @@ static void omap_aes_done_task(unsigned long data) pr_debug("enter done_task\n"); + dma_sync_sg_for_cpu(dd->dev, dd->in_sg, dd->in_sg_len, DMA_FROM_DEVICE); + omap_aes_crypt_dma_stop(dd); omap_aes_finish_req(dd, 0); omap_aes_handle_queue(dd, NULL);