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, 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 0B488C76186 for ; Thu, 25 Jul 2019 02:42:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CC04521951 for ; Thu, 25 Jul 2019 02:42:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389285AbfGYCmX (ORCPT ); Wed, 24 Jul 2019 22:42:23 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:2717 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2389231AbfGYCmW (ORCPT ); Wed, 24 Jul 2019 22:42:22 -0400 Received: from DGGEMS401-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id E3C9CD22EFE59927FDAE; Thu, 25 Jul 2019 10:42:19 +0800 (CST) Received: from localhost (10.133.213.239) by DGGEMS401-HUB.china.huawei.com (10.3.19.201) with Microsoft SMTP Server id 14.3.439.0; Thu, 25 Jul 2019 10:42:13 +0800 From: YueHaibing To: , , , , , , CC: , , , , , YueHaibing Subject: [PATCH] media: staging: tegra-vde: Fix build error Date: Thu, 25 Jul 2019 10:41:29 +0800 Message-ID: <20190725024129.22664-1-yuehaibing@huawei.com> X-Mailer: git-send-email 2.10.2.windows.1 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.133.213.239] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org If IOMMU_SUPPORT is not set, and COMPILE_TEST is y, IOMMU_IOVA may be set to m. So building will fails: drivers/staging/media/tegra-vde/iommu.o: In function `tegra_vde_iommu_map': iommu.c:(.text+0x41): undefined reference to `alloc_iova' iommu.c:(.text+0x56): undefined reference to `__free_iova' Select IOMMU_IOVA while COMPILE_TEST is set to fix this. Reported-by: Hulk Robot Suggested-by: Dmitry Osipenko Fixes: b301f8de1925 ("media: staging: media: tegra-vde: Add IOMMU support") Signed-off-by: YueHaibing --- drivers/staging/media/tegra-vde/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/media/tegra-vde/Kconfig b/drivers/staging/media/tegra-vde/Kconfig index 2e7f644..ba49ea5 100644 --- a/drivers/staging/media/tegra-vde/Kconfig +++ b/drivers/staging/media/tegra-vde/Kconfig @@ -3,7 +3,7 @@ config TEGRA_VDE tristate "NVIDIA Tegra Video Decoder Engine driver" depends on ARCH_TEGRA || COMPILE_TEST select DMA_SHARED_BUFFER - select IOMMU_IOVA if IOMMU_SUPPORT + select IOMMU_IOVA if (IOMMU_SUPPORT || COMPILE_TEST) select SRAM help Say Y here to enable support for the NVIDIA Tegra video decoder -- 2.7.4