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 Received: from smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 96911C433F5 for ; Thu, 7 Apr 2022 06:26:27 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id 49E794155A; Thu, 7 Apr 2022 06:26:27 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id GrssE73PA-zz; Thu, 7 Apr 2022 06:26:26 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp4.osuosl.org (Postfix) with ESMTPS id EFEF541603; Thu, 7 Apr 2022 06:26:25 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 84A45C0083; Thu, 7 Apr 2022 06:26:25 +0000 (UTC) Received: from smtp2.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by lists.linuxfoundation.org (Postfix) with ESMTP id C70DAC002F for ; Thu, 7 Apr 2022 06:26:23 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id 8AC3540160 for ; Thu, 7 Apr 2022 06:26:23 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Authentication-Results: smtp2.osuosl.org (amavisd-new); dkim=pass (2048-bit key) header.d=infradead.org Received: from smtp2.osuosl.org ([127.0.0.1]) by localhost (smtp2.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id rgGFcOGxxuip for ; Thu, 7 Apr 2022 06:26:22 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.8.0 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) by smtp2.osuosl.org (Postfix) with ESMTPS id 8830940133 for ; Thu, 7 Apr 2022 06:26:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:To:From:Sender: Reply-To:Cc:Content-Type:Content-ID:Content-Description; bh=q0u1zuis2iM+r72peFTtVQaOYyuHJbqZ8LmuDIob4d0=; b=woIHsKemi7v/eaKr2jmLTYix54 vqgEdls82vkr9NQQ34OJ5XpKH0bd83/R5SS3vNpDa2La5G9KHiXYa3yZGsWVoIgWmTYgmizbTPv+/ hTqQSBCwNg2UVil1U/dol/sgaG9Zn+VvkEaSrw+t08OudqKZ+U8Y4qc5q2x13maBOEEwch+CpMzQx v7ZWcwgTHVIBjUyLgbe/z5vK6HPadJYWdiHQFMvm+sxcCi4hkwemJjORzaXn09qdFyU5wFvJrWCU5 BL6N3Gwy7rL++h0PUSv3GDdBn0MSyd7NzoAHt5/8FCn0h0PKaGd4vHqcKyRlnHXiJTolZSFYIuHgn gOUpPAAg==; Received: from [2001:4bb8:184:7553:c70:4a89:bc61:2] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1ncLav-009fjA-R5; Thu, 07 Apr 2022 06:26:14 +0000 From: Christoph Hellwig To: Joerg Roedel , Sven Peter , David Woodhouse , Lu Baolu , Yong Wu , Jean-Philippe Brucker , iommu@lists.linux-foundation.org Subject: [PATCH 1/4] iommu: remove the unused dev_has_feat method Date: Thu, 7 Apr 2022 08:26:05 +0200 Message-Id: <20220407062608.711392-2-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220407062608.711392-1-hch@lst.de> References: <20220407062608.711392-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" This method is never actually called. Signed-off-by: Christoph Hellwig --- drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 1 - include/linux/iommu.h | 4 +--- 2 files changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c index 627a3ed5ee8fd1..d6110271761d4a 100644 --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c @@ -2848,7 +2848,6 @@ static struct iommu_ops arm_smmu_ops = { .of_xlate = arm_smmu_of_xlate, .get_resv_regions = arm_smmu_get_resv_regions, .put_resv_regions = generic_iommu_put_resv_regions, - .dev_has_feat = arm_smmu_dev_has_feature, .dev_feat_enabled = arm_smmu_dev_feature_enabled, .dev_enable_feat = arm_smmu_dev_enable_feature, .dev_disable_feat = arm_smmu_dev_disable_feature, diff --git a/include/linux/iommu.h b/include/linux/iommu.h index 9208eca4b0d1ac..79b74fcdd57e63 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -153,8 +153,7 @@ struct iommu_resv_region { * supported, this feature must be enabled before and * disabled after %IOMMU_DEV_FEAT_SVA. * - * Device drivers query whether a feature is supported using - * iommu_dev_has_feature(), and enable it using iommu_dev_enable_feature(). + * Device drivers enable a feature using iommu_dev_enable_feature(). */ enum iommu_dev_features { IOMMU_DEV_FEAT_SVA, @@ -237,7 +236,6 @@ struct iommu_ops { bool (*is_attach_deferred)(struct device *dev); /* Per device IOMMU features */ - bool (*dev_has_feat)(struct device *dev, enum iommu_dev_features f); bool (*dev_feat_enabled)(struct device *dev, enum iommu_dev_features f); int (*dev_enable_feat)(struct device *dev, enum iommu_dev_features f); int (*dev_disable_feat)(struct device *dev, enum iommu_dev_features f); -- 2.30.2 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu