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 ECCC7CE79D3 for ; Wed, 20 Sep 2023 12:10:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235250AbjITMKV (ORCPT ); Wed, 20 Sep 2023 08:10:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53804 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235334AbjITMJi (ORCPT ); Wed, 20 Sep 2023 08:09:38 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6DA67B4; Wed, 20 Sep 2023 05:09:32 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8B9B9C433C9; Wed, 20 Sep 2023 12:09:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1695211771; bh=JI8tr7pte5E+t628ZHGwjho2Ud1OnMqWMt6YEsvtK+I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pZCG0wh4lppvMjkbPfZgzpnfEGg2QYwthD+PR0J7AtvOU4xQL6lPVK5n2oT0r4vAc dVpdNfzgXvrxcytXPb59Ng75pRx5rwRaaB8tJUwO1vbY+3/bIwKuE5j5gE5tPgzCOO mRGFYDY4vOH2pqtbVhePz23dwhHyYU6ecKxpy0lk= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, kernel test robot , Baoquan He , Vinod Koul , dmaengine@vger.kernel.org, Sasha Levin Subject: [PATCH 4.19 029/273] idmaengine: make FSL_EDMA and INTEL_IDMA64 depends on HAS_IOMEM Date: Wed, 20 Sep 2023 13:27:49 +0200 Message-ID: <20230920112847.325167339@linuxfoundation.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230920112846.440597133@linuxfoundation.org> References: <20230920112846.440597133@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 4.19-stable review patch. If anyone has any objections, please let me know. ------------------ From: Baoquan He [ Upstream commit b1e213a9e31c20206f111ec664afcf31cbfe0dbb ] On s390 systems (aka mainframes), it has classic channel devices for networking and permanent storage that are currently even more common than PCI devices. Hence it could have a fully functional s390 kernel with CONFIG_PCI=n, then the relevant iomem mapping functions [including ioremap(), devm_ioremap(), etc.] are not available. Here let FSL_EDMA and INTEL_IDMA64 depend on HAS_IOMEM so that it won't be built to cause below compiling error if PCI is unset. -------- ERROR: modpost: "devm_platform_ioremap_resource" [drivers/dma/fsl-edma.ko] undefined! ERROR: modpost: "devm_platform_ioremap_resource" [drivers/dma/idma64.ko] undefined! -------- Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202306211329.ticOJCSv-lkp@intel.com/ Signed-off-by: Baoquan He Cc: Vinod Koul Cc: dmaengine@vger.kernel.org Link: https://lore.kernel.org/r/20230707135852.24292-2-bhe@redhat.com Signed-off-by: Vinod Koul Signed-off-by: Sasha Levin --- drivers/dma/Kconfig | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig index e5f31af65aabf..00e1ffa4fcf1c 100644 --- a/drivers/dma/Kconfig +++ b/drivers/dma/Kconfig @@ -212,6 +212,7 @@ config FSL_DMA config FSL_EDMA tristate "Freescale eDMA engine support" depends on OF + depends on HAS_IOMEM select DMA_ENGINE select DMA_VIRTUAL_CHANNELS help @@ -258,6 +259,7 @@ config IMX_SDMA config INTEL_IDMA64 tristate "Intel integrated DMA 64-bit support" + depends on HAS_IOMEM select DMA_ENGINE select DMA_VIRTUAL_CHANNELS help -- 2.40.1