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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 80EA9C2BA2B for ; Fri, 10 Apr 2020 14:30:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5C92420CC7 for ; Fri, 10 Apr 2020 14:30:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726663AbgDJOav (ORCPT ); Fri, 10 Apr 2020 10:30:51 -0400 Received: from michel.telenet-ops.be ([195.130.137.88]:51552 "EHLO michel.telenet-ops.be" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726009AbgDJOav (ORCPT ); Fri, 10 Apr 2020 10:30:51 -0400 Received: from ramsan ([84.195.182.253]) by michel.telenet-ops.be with bizsmtp id R2Wp2200M5USYZQ062Wp8i; Fri, 10 Apr 2020 16:30:49 +0200 Received: from rox.of.borg ([192.168.97.57]) by ramsan with esmtp (Exim 4.90_1) (envelope-from ) id 1jMugD-0004re-5L; Fri, 10 Apr 2020 16:30:49 +0200 Received: from geert by rox.of.borg with local (Exim 4.90_1) (envelope-from ) id 1jMugD-00058K-3B; Fri, 10 Apr 2020 16:30:49 +0200 From: Geert Uytterhoeven To: Joerg Roedel , Krzysztof Kozlowski , Matthias Brugger Cc: iommu@lists.linux-foundation.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, Geert Uytterhoeven Subject: [PATCH] iommu: Fix MTK_IOMMU dependencies Date: Fri, 10 Apr 2020 16:30:47 +0200 Message-Id: <20200410143047.19691-1-geert@linux-m68k.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 If NO_DMA=y (e.g. Sun-3 all{mod,yes}-config): drivers/iommu/dma-iommu.o: In function `iommu_dma_mmap': dma-iommu.c:(.text+0x836): undefined reference to `dma_pgprot' IOMMU_DMA must not be selected, unless HAS_DMA=y. Hence fix this by making MTK_IOMMU depend on HAS_DMA. While at it, remove the dependency on ARM || ARM64, as that is already implied by the dependency on ARCH_MEDIATEK. Fixes: e93a1695d7fb5513 ("iommu: Enable compile testing for some of drivers") Signed-off-by: Geert Uytterhoeven --- drivers/iommu/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig index 58b4a4dbfc78b9a5..bead9aaea8429447 100644 --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -457,7 +457,7 @@ config S390_AP_IOMMU config MTK_IOMMU bool "MTK IOMMU Support" - depends on ARM || ARM64 || COMPILE_TEST + depends on HAS_DMA depends on ARCH_MEDIATEK || COMPILE_TEST select ARM_DMA_USE_IOMMU select IOMMU_API -- 2.17.1