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=-13.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 56449C433E8 for ; Mon, 27 Jul 2020 18:36:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 28DB520729 for ; Mon, 27 Jul 2020 18:36:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1595875001; bh=REyX7sYO8cBj8Z4eVm4euOusP1EBARA9iuGH/ZQYyZQ=; h=From:To:Cc:Subject:Date:List-ID:From; b=fIAz+j6DivrkZSpcrud1IZeEHFGSoTMERIDHaqpKi8OdAeEJNJ+eMioifDPlhmw3P mbFyNuzpdZguQHvYfLl2eCTDtuqY7bBWFiQyZ24o1yIaogmXgu4Cv+cmyasnFUix8q Z4KJQmLEMdwTeP+JXMWQLvdP+RrvFonC6dLsWcL8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730625AbgG0Sgk (ORCPT ); Mon, 27 Jul 2020 14:36:40 -0400 Received: from mail.kernel.org ([198.145.29.99]:59478 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728313AbgG0Sgj (ORCPT ); Mon, 27 Jul 2020 14:36:39 -0400 Received: from localhost.localdomain (unknown [194.230.155.213]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 132B32074F; Mon, 27 Jul 2020 18:36:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1595874999; bh=REyX7sYO8cBj8Z4eVm4euOusP1EBARA9iuGH/ZQYyZQ=; h=From:To:Cc:Subject:Date:From; b=pv4nTJWKipLej8QRQzP8XH2RFQx3XdSR+QDJEcMr8jZBq+eQ3qN49HIQSgwLHp+kQ 32NzMYhz9xzTKgEHUZjrSCAmOt2Ah2WKZxH16ig6Koi3+8fyGXQomAM70X20YC+1MI O5DB/fgwSmJUfvYLyJqzrcrF7NDk/PM3N3We1Fgw= From: Krzysztof Kozlowski To: Joerg Roedel , Suravee Suthikulpanit , iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org Cc: Krzysztof Kozlowski Subject: [PATCH] iommu: amd: Add missing function prototypes to fix -Wmissing-prototypes Date: Mon, 27 Jul 2020 20:36:31 +0200 Message-Id: <20200727183631.16744-1-krzk@kernel.org> X-Mailer: git-send-email 2.17.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Few exported functions from AMD IOMMU driver are missing prototypes. They have declaration in arch/x86/events/amd/iommu.h but this file cannot be included in the driver. Add prototypes to fix W=1 warnings like: drivers/iommu/amd/init.c:3066:19: warning: no previous prototype for 'get_amd_iommu' [-Wmissing-prototypes] 3066 | struct amd_iommu *get_amd_iommu(unsigned int idx) Signed-off-by: Krzysztof Kozlowski --- drivers/iommu/amd/amd_iommu.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/iommu/amd/amd_iommu.h b/drivers/iommu/amd/amd_iommu.h index 57309716fd18..0781b7112467 100644 --- a/drivers/iommu/amd/amd_iommu.h +++ b/drivers/iommu/amd/amd_iommu.h @@ -41,6 +41,15 @@ extern int amd_iommu_guest_ir; struct iommu_domain; extern bool amd_iommu_v2_supported(void); +extern struct amd_iommu *get_amd_iommu(unsigned int idx); +extern u8 amd_iommu_pc_get_max_banks(unsigned int idx); +extern bool amd_iommu_pc_supported(void); +extern u8 amd_iommu_pc_get_max_counters(unsigned int idx); +extern int amd_iommu_pc_get_reg(struct amd_iommu *iommu, u8 bank, u8 cntr, + u8 fxn, u64 *value); +extern int amd_iommu_pc_set_reg(struct amd_iommu *iommu, u8 bank, u8 cntr, + u8 fxn, u64 *value); + extern int amd_iommu_register_ppr_notifier(struct notifier_block *nb); extern int amd_iommu_unregister_ppr_notifier(struct notifier_block *nb); extern void amd_iommu_domain_direct_map(struct iommu_domain *dom); -- 2.17.1