From patchwork Wed Jul 28 15:58:30 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robin Murphy X-Patchwork-Id: 12406267 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=-17.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, 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 13965C4338F for ; Wed, 28 Jul 2021 16:03:46 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D978E60F93 for ; Wed, 28 Jul 2021 16:03:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org D978E60F93 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Ck/tMRjwGdZSZ9kogPxZHnmxcZ9kKjVytHnJZCWgUUY=; b=ZBijq21I3J3xER vxFAHiNwuXJ0q1zm/UyvWqqJmBW3P8oqY7RB5d/ZAGnS4XpKT2bO17XEk51cMuK9V97KwG7bXn4Tj MlK7iP9QxEVJdjOEsZzLKs8U0ZVXSuT0ijOS5AQJKfcrPk4DcoD4EWu0w8J8w/+dapSk3GquP6DIY z+kRqMQukDLQro+ma18QHtNdeyCMfe3vIXCHFqupL4twa4jzEWBbRAnls+N7CMWMk7lIoorVrwVz+ 91MCpsgcGCsY6G6HoZGP4kCToeV/v4p1ju7E23r62HsnPbTAC5aeKXuyoa0huWW4xkz0e/Z+b8BmL hiFrlVB3d2PbGj3KPDTA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1m8m0q-001RPU-PK; Wed, 28 Jul 2021 16:02:29 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1m8lxq-001PDb-7D for linux-arm-kernel@lists.infradead.org; Wed, 28 Jul 2021 15:59:23 +0000 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 AB3CE1FB; Wed, 28 Jul 2021 08:59:21 -0700 (PDT) Received: from 010265703453.arm.com (unknown [10.57.36.146]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 109E33F70D; Wed, 28 Jul 2021 08:59:19 -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, Chunyan Zhang Subject: [PATCH v2 09/24] iommu/sprd: Drop IOVA cookie management Date: Wed, 28 Jul 2021 16:58:30 +0100 Message-Id: <7aa0f8aece44391df4dd5d8d1a780f3d3ef2a1a2.1627468309.git.robin.murphy@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: References: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210728_085922_370061_A8871E68 X-CRM114-Status: UNSURE ( 8.29 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The core code bakes its own cookies now. CC: Chunyan Zhang Signed-off-by: Robin Murphy --- drivers/iommu/sprd-iommu.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/drivers/iommu/sprd-iommu.c b/drivers/iommu/sprd-iommu.c index 73dfd9946312..2bc1de6e823d 100644 --- a/drivers/iommu/sprd-iommu.c +++ b/drivers/iommu/sprd-iommu.c @@ -144,11 +144,6 @@ static struct iommu_domain *sprd_iommu_domain_alloc(unsigned int domain_type) if (!dom) return NULL; - if (iommu_get_dma_cookie(&dom->domain)) { - kfree(dom); - return NULL; - } - spin_lock_init(&dom->pgtlock); dom->domain.geometry.aperture_start = 0; @@ -161,7 +156,6 @@ static void sprd_iommu_domain_free(struct iommu_domain *domain) { struct sprd_iommu_domain *dom = to_sprd_domain(domain); - iommu_put_dma_cookie(domain); kfree(dom); }