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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 2437DC12002 for ; Wed, 21 Jul 2021 18:21:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 115156121E for ; Wed, 21 Jul 2021 18:21:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231751AbhGURkd (ORCPT ); Wed, 21 Jul 2021 13:40:33 -0400 Received: from foss.arm.com ([217.140.110.172]:33252 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234991AbhGURkX (ORCPT ); Wed, 21 Jul 2021 13:40:23 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 4C3DC11FB; Wed, 21 Jul 2021 11:20:59 -0700 (PDT) Received: from 010265703453.arm.com (unknown [10.57.36.146]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id D0B443F694; Wed, 21 Jul 2021 11:20:57 -0700 (PDT) From: Robin Murphy To: joro@8bytes.org, will@kernel.org Cc: iommu@lists.linux-foundation.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, suravee.suthikulpanit@amd.com, baolu.lu@linux.intel.com, john.garry@huawei.com, dianders@chromium.org Subject: [PATCH 08/23] iommu/rockchip: Drop IOVA cookie management Date: Wed, 21 Jul 2021 19:20:19 +0100 Message-Id: X-Mailer: git-send-email 2.25.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The core code bakes its own cookies now. Signed-off-by: Robin Murphy --- drivers/iommu/rockchip-iommu.c | 11 +---------- 1 file changed, 1 insertion(+), 10 deletions(-) diff --git a/drivers/iommu/rockchip-iommu.c b/drivers/iommu/rockchip-iommu.c index 9febfb7f3025..c24561f54f32 100644 --- a/drivers/iommu/rockchip-iommu.c +++ b/drivers/iommu/rockchip-iommu.c @@ -1074,10 +1074,6 @@ static struct iommu_domain *rk_iommu_domain_alloc(unsigned type) if (!rk_domain) return NULL; - if (type == IOMMU_DOMAIN_DMA && - iommu_get_dma_cookie(&rk_domain->domain)) - goto err_free_domain; - /* * rk32xx iommus use a 2 level pagetable. * Each level1 (dt) and level2 (pt) table has 1024 4-byte entries. @@ -1085,7 +1081,7 @@ static struct iommu_domain *rk_iommu_domain_alloc(unsigned type) */ rk_domain->dt = (u32 *)get_zeroed_page(GFP_KERNEL | GFP_DMA32); if (!rk_domain->dt) - goto err_put_cookie; + goto err_free_domain; rk_domain->dt_dma = dma_map_single(dma_dev, rk_domain->dt, SPAGE_SIZE, DMA_TO_DEVICE); @@ -1106,9 +1102,6 @@ static struct iommu_domain *rk_iommu_domain_alloc(unsigned type) err_free_dt: free_page((unsigned long)rk_domain->dt); -err_put_cookie: - if (type == IOMMU_DOMAIN_DMA) - iommu_put_dma_cookie(&rk_domain->domain); err_free_domain: kfree(rk_domain); @@ -1137,8 +1130,6 @@ static void rk_iommu_domain_free(struct iommu_domain *domain) SPAGE_SIZE, DMA_TO_DEVICE); free_page((unsigned long)rk_domain->dt); - if (domain->type == IOMMU_DOMAIN_DMA) - iommu_put_dma_cookie(&rk_domain->domain); kfree(rk_domain); } -- 2.25.1