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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6B404C6FD18 for ; Wed, 29 Mar 2023 17:22:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229609AbjC2RWc (ORCPT ); Wed, 29 Mar 2023 13:22:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48360 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229456AbjC2RWb (ORCPT ); Wed, 29 Mar 2023 13:22:31 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D04654682 for ; Wed, 29 Mar 2023 10:21:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1680110500; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=cXO0bYsmE8RQkiU8p+vffYn85AnFZlCiXkctXOQi2o4=; b=NfC/6EsDmJcO6HZQVrgERuNi2Hmk/m9d6N5pCrFL/08/cXsQ5YcQDTYNBqKY9Ld7EItFEO nWd7pVLY0PHuYB0gNbcz2kU/1KhwTy/8BNXh3TNUGXNM7dhfz6IH4jv4egAnARuCg5BlLm V75Xak2hiYjEyzW8GNlFb1OwKzWg7vE= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-515-2yB2SrAONRCyVg1nQ3lGGg-1; Wed, 29 Mar 2023 13:21:36 -0400 X-MC-Unique: 2yB2SrAONRCyVg1nQ3lGGg-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.rdu2.redhat.com [10.11.54.7]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 2EC473815F6F; Wed, 29 Mar 2023 17:21:36 +0000 (UTC) Received: from trippy.localdomain.com (unknown [10.22.10.235]) by smtp.corp.redhat.com (Postfix) with ESMTP id 1477D14171BB; Wed, 29 Mar 2023 17:21:36 +0000 (UTC) From: Mark Salter To: Vinod Koul Cc: dmaengine@vger.kernel.org Subject: [PATCH] dmaengine: tegra: explicitly select DMA_VIRTUAL_CHANNELS Date: Wed, 29 Mar 2023 13:21:29 -0400 Message-Id: <20230329172129.88403-1-msalter@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.1 on 10.11.54.7 Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org Enabling TEGRA186_GPC_DMA will cause this build failure unless some other DMA driver which uses DMA_VIRTUAL_CHANNELS is enabled: ERROR: modpost: "vchan_dma_desc_free_list" [drivers/dma/tegra186-gpc-dma.ko] undefined! ERROR: modpost: "vchan_init" [drivers/dma/tegra186-gpc-dma.ko] undefined! ERROR: modpost: "vchan_tx_submit" [drivers/dma/tegra186-gpc-dma.ko] undefined! ERROR: modpost: "vchan_tx_desc_free" [drivers/dma/tegra186-gpc-dma.ko] undefined! ERROR: modpost: "vchan_find_desc" [drivers/dma/tegra186-gpc-dma.ko] undefined! make[1]: *** [scripts/Makefile.modpost:136: Module.symvers] Error 1 Add an explicit select of DMA_VIRTUAL_CHANNELS to avoid this. Signed-off-by: Mark Salter --- drivers/dma/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig index fb7073fc034f..f5f422f9b850 100644 --- a/drivers/dma/Kconfig +++ b/drivers/dma/Kconfig @@ -623,6 +623,7 @@ config TEGRA186_GPC_DMA depends on (ARCH_TEGRA || COMPILE_TEST) && ARCH_DMA_ADDR_T_64BIT depends on IOMMU_API select DMA_ENGINE + select DMA_VIRTUAL_CHANNELS help Support for the NVIDIA Tegra General Purpose Central DMA controller. The DMA controller has multiple DMA channels which can be configured -- 2.39.2