From patchwork Mon Dec 19 14:46:56 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Serge Semin X-Patchwork-Id: 13076698 X-Patchwork-Delegate: lorenzo.pieralisi@arm.com 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 B1473C46467 for ; Mon, 19 Dec 2022 14:48:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232465AbiLSOsy (ORCPT ); Mon, 19 Dec 2022 09:48:54 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47440 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232080AbiLSOr3 (ORCPT ); Mon, 19 Dec 2022 09:47:29 -0500 Received: from post.baikalelectronics.com (post.baikalelectronics.com [213.79.110.86]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 5A869C50; Mon, 19 Dec 2022 06:47:20 -0800 (PST) Received: from post.baikalelectronics.com (localhost.localdomain [127.0.0.1]) by post.baikalelectronics.com (Proxmox) with ESMTP id F0572E0EB4; Mon, 19 Dec 2022 17:47:19 +0300 (MSK) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= baikalelectronics.ru; h=cc:cc:content-transfer-encoding :content-type:content-type:date:from:from:in-reply-to:message-id :mime-version:references:reply-to:subject:subject:to:to; s=post; bh=YZ6d4NtwdSbbBHk2kM+tRXgtor/r5iWoM/M43mTkcFE=; b=TZN+7kHuBmPl ArIxiE+jHa1IRPC6nrCBhGEO8VGKg+oxQreIccoZnNyVUU0ModaKcyGgUHmdy1Am QZ3HfLnmVkCWpKfvlDIUolqKANaIx5MyKqTiY/8gADsAVlal+6hqbdOJjhr7BYO1 u76Q7PJaBoNjFjkoezWBR7EFoVHiQz0= Received: from mail.baikal.int (mail.baikal.int [192.168.51.25]) by post.baikalelectronics.com (Proxmox) with ESMTP id E1B37E0E70; Mon, 19 Dec 2022 17:47:19 +0300 (MSK) Received: from localhost (10.8.30.14) by mail (192.168.51.25) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 19 Dec 2022 17:47:19 +0300 From: Serge Semin To: Gustavo Pimentel , Vinod Koul , Rob Herring , Bjorn Helgaas , Lorenzo Pieralisi , Cai Huoqing , Robin Murphy , Jingoo Han , Frank Li , Manivannan Sadhasivam , Lorenzo Pieralisi , =?utf-8?q?Krzysztof_Wilczy=C5=84?= =?utf-8?q?ski?= CC: Serge Semin , Serge Semin , Alexey Malahov , Pavel Parkhomenko , caihuoqing , Yoshihiro Shimoda , , , Subject: [PATCH v8 25/26] PCI: bt1: Set 64-bit DMA-mask Date: Mon, 19 Dec 2022 17:46:56 +0300 Message-ID: <20221219144658.26620-26-Sergey.Semin@baikalelectronics.ru> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221219144658.26620-1-Sergey.Semin@baikalelectronics.ru> References: <20221219144658.26620-1-Sergey.Semin@baikalelectronics.ru> MIME-Version: 1.0 X-Originating-IP: [10.8.30.14] X-ClientProxiedBy: MAIL.baikal.int (192.168.51.25) To mail (192.168.51.25) Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org The DW PCIe RC IP-core is synthesized with the 64-bits AXI address bus. Since the device is also equipped with the eDMA engine we need to explicitly set the device DMA-mask so the DMA-engine clients would be able to allocate the data buffers from the DMA-able memory space. Signed-off-by: Serge Semin --- Changelog v7: - This is a new patch added on v7 stage of the series. (@Robin) --- drivers/pci/controller/dwc/pcie-bt1.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/pci/controller/dwc/pcie-bt1.c b/drivers/pci/controller/dwc/pcie-bt1.c index f6cdb35b4cde..3b95dadf5176 100644 --- a/drivers/pci/controller/dwc/pcie-bt1.c +++ b/drivers/pci/controller/dwc/pcie-bt1.c @@ -583,6 +583,10 @@ static int bt1_pcie_add_port(struct bt1_pcie *btpci) struct device *dev = &btpci->pdev->dev; int ret; + ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64)); + if (ret) + return ret; + btpci->dw.version = DW_PCIE_VER_460A; btpci->dw.dev = dev; btpci->dw.ops = &bt1_pcie_ops;