From patchwork Mon Nov 28 06:46:32 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Baolu Lu X-Patchwork-Id: 26554 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:adf:f944:0:0:0:0:0 with SMTP id q4csp5475975wrr; Sun, 27 Nov 2022 22:59:20 -0800 (PST) X-Google-Smtp-Source: AA0mqf6QjaA02hxSXyvBgILiViBw8gBRU1UwwK3ZO8x1ZtKjE6nejDx2UqV/IfGhs3JiOVOFJj2L X-Received: by 2002:a17:906:7852:b0:7b7:718d:22c with SMTP id p18-20020a170906785200b007b7718d022cmr27956961ejm.507.1669618760130; Sun, 27 Nov 2022 22:59:20 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1669618760; cv=none; d=google.com; s=arc-20160816; b=YV5VThxPzjSnIkjg5TAJfD0F2/9KgMUqJrUtF+9fnefpCuWfbc86rFj50lSLuw2F+i 9hGlGYdZPMpgtAq15zdOB9wyz2Is0rllW9T1/8jpX/KOn5wrgy0Nnn9/n+o09L4apQ0f slkeD+S0uugseTNN7aQoUg01wY/LU+xssQkaQvtVslxLwie9h/r6cP/SsSaX1U5IWhkW +S2o/SqWEaK+SGhFxciI+W/1KkfkiMMew5LswBmOLQ201IuzHxERuMph6HomFyRlsp1e KgUIb3WxfqaAb5uhECOJjNFc4hIbe0mtLPSRjsH0uK4LKBz86Oqsl0Qwi95xySec90iP Aklg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=XFR5ee9VZzXDJ64yvPiCG/lg8eTEPGhYS4eidJAoV9Q=; b=oQ96UUZ8/Rg7q4Yi2OcKb2qvkut9K1jMEVMyhiaK+dyahAZ5gkPKmx9KNDEgV72GXz hhzlUdW9nwwsCdKi+0KW6ARUfo7WRfWmKZJxkBctqxlxS/c2yDMTBykUNd70ib8ikvSk qC02vwpQBfSObs1kJERalUqWKmec3KgwI4YhXYspSMGiPug21ClrHs3IIJaElgJHpb65 RtuY+gnjzZaUwK22MUi4lx1X8k0lXCNKKlizVDO5+iPwyJfpbhnxGO9/2c0RvEZydkON 0pvT059uS3Jq1pQJ9AKrpTKSpsUh0gkixYVbF4C0dOAUwvB1gECCNpX/yJiBeOSlBlCv Tf7g== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b=kPyy88A4; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id y10-20020a056402440a00b0046289aad428si11355593eda.496.2022.11.27.22.58.57; Sun, 27 Nov 2022 22:59:20 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b=kPyy88A4; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229939AbiK1GzC (ORCPT + 99 others); Mon, 28 Nov 2022 01:55:02 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50034 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229921AbiK1Gym (ORCPT ); Mon, 28 Nov 2022 01:54:42 -0500 Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 075141570D for ; Sun, 27 Nov 2022 22:54:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1669618475; x=1701154475; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=+lnyWGzP426cIHCkMlfBmYCgDIrk0H3K0Lf9o9XVkwk=; b=kPyy88A47wH5jjIh9Fvodkq4vpADhq4qwlpRi/+XF2CrrIARj1ZRRcoc BCUGDfUVf79ZcD6TbHmAEJdH5Zgfruuvh0DsFemMAwD+Q3SQ08/xmcx6a gowL6tzmryDGp70slU2AJnCGc7KT7qcadNufUAl49xVkfRQcZLq0cUJsK mL0FWRHTIEx3gWQhUHksbk7lDJxgYvwrvnRRXqlJkSakOex+KcVO1ciwj FLQiJ8gT7n5DS32lq4g+qYgmN/5IVuztPhf3IDnZCF+96poVUcqi22dfq C+Nvs8YZ6Y/Z/0VQMfRijzLQkAmNxY/CfOoUcwMda/bifiDUiE5cMbvEn Q==; X-IronPort-AV: E=McAfee;i="6500,9779,10544"; a="295145602" X-IronPort-AV: E=Sophos;i="5.96,199,1665471600"; d="scan'208";a="295145602" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Nov 2022 22:54:34 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10544"; a="674120774" X-IronPort-AV: E=Sophos;i="5.96,199,1665471600"; d="scan'208";a="674120774" Received: from allen-box.sh.intel.com ([10.239.159.48]) by orsmga008.jf.intel.com with ESMTP; 27 Nov 2022 22:54:27 -0800 From: Lu Baolu To: Joerg Roedel , Jason Gunthorpe , Christoph Hellwig , Kevin Tian , Will Deacon , Robin Murphy , Jean-Philippe Brucker Cc: Suravee Suthikulpanit , Hector Martin , Sven Peter , Rob Clark , Marek Szyprowski , Krzysztof Kozlowski , Andy Gross , Bjorn Andersson , Yong Wu , Matthias Brugger , Heiko Stuebner , Matthew Rosato , Orson Zhai , Baolin Wang , Chunyan Zhang , Chen-Yu Tsai , Thierry Reding , iommu@lists.linux.dev, linux-kernel@vger.kernel.org, Lu Baolu Subject: [PATCH v3 04/20] iommu/exynos: Remove detach_dev callback Date: Mon, 28 Nov 2022 14:46:32 +0800 Message-Id: <20221128064648.1934720-5-baolu.lu@linux.intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221128064648.1934720-1-baolu.lu@linux.intel.com> References: <20221128064648.1934720-1-baolu.lu@linux.intel.com> MIME-Version: 1.0 X-Spam-Status: No, score=-4.3 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1750722160864588278?= X-GMAIL-MSGID: =?utf-8?q?1750722160864588278?= The IOMMU driver supports default domain, so the detach_dev op will never be called. Remove it to avoid dead code. Signed-off-by: Lu Baolu Reviewed-by: Jason Gunthorpe --- drivers/iommu/exynos-iommu.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c index b0cde2211987..29ec713e8a21 100644 --- a/drivers/iommu/exynos-iommu.c +++ b/drivers/iommu/exynos-iommu.c @@ -1404,7 +1404,6 @@ static const struct iommu_ops exynos_iommu_ops = { .of_xlate = exynos_iommu_of_xlate, .default_domain_ops = &(const struct iommu_domain_ops) { .attach_dev = exynos_iommu_attach_device, - .detach_dev = exynos_iommu_detach_device, .map = exynos_iommu_map, .unmap = exynos_iommu_unmap, .iova_to_phys = exynos_iommu_iova_to_phys,