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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 6B1AFC433E0 for ; Thu, 18 Jun 2020 01:56:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 42A8621924 for ; Thu, 18 Jun 2020 01:56:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592445362; bh=yQ6zGEg68uBMvVRpNLAQbZHrrJu0GQfWTYez5A52PhU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=OTs0xFMXFzxOTkQ2SaQ7CjXfI0UQtJ2W2X6Lj4yikjpTOWDi9HHY0ZQg9rrt/ApFI ju4Q2rasRdpL5H0NLPO0eXDeWLmhm7a2YfurgQ5cm/zORvoaxOlKzs83zRSjvn6/E8 ZzkURHwj+4OgE8aNeh/HayV7d+MpV47smNYrNuzo= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733164AbgFRB4B (ORCPT ); Wed, 17 Jun 2020 21:56:01 -0400 Received: from mail.kernel.org ([198.145.29.99]:60882 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731464AbgFRBZg (ORCPT ); Wed, 17 Jun 2020 21:25:36 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 218802083B; Thu, 18 Jun 2020 01:25:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592443535; bh=yQ6zGEg68uBMvVRpNLAQbZHrrJu0GQfWTYez5A52PhU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=0xfHs2wuwzlK2XnFBK61XDuf4yMojmOsbyzylAYp26cNT7QE+wo3EOnWQCXeX2dqr skGCvePbpF4GHsNQc3D1g4wBE1je0rrih1gYbK1jR/qudbvfn4mKlfo8Lq7bodZihe 5GPbFJfK/UKAc8X4vAtooI6GyzfdPq8e2Vouy5zk= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Sanjay R Mehta , Arindam Nath , Jon Mason , Sasha Levin , linux-ntb@googlegroups.com Subject: [PATCH AUTOSEL 4.19 154/172] ntb_tool: pass correct struct device to dma_alloc_coherent Date: Wed, 17 Jun 2020 21:22:00 -0400 Message-Id: <20200618012218.607130-154-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200618012218.607130-1-sashal@kernel.org> References: <20200618012218.607130-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Sanjay R Mehta [ Upstream commit 433efe720674efd9fdbcef78be75793393cf05db ] Currently, ntb->dev is passed to dma_alloc_coherent and dma_free_coherent calls. The returned dma_addr_t is the CPU physical address. This works fine as long as IOMMU is disabled. But when IOMMU is enabled, we need to make sure that IOVA is returned for dma_addr_t. So the correct way to achieve this is by changing the first parameter of dma_alloc_coherent() as ntb->pdev->dev instead. Fixes: 5648e56d03fa ("NTB: ntb_perf: Add full multi-port NTB API support") Signed-off-by: Sanjay R Mehta Signed-off-by: Arindam Nath Signed-off-by: Jon Mason Signed-off-by: Sasha Levin --- drivers/ntb/test/ntb_tool.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/ntb/test/ntb_tool.c b/drivers/ntb/test/ntb_tool.c index d592c0ffbd19..025747c1568e 100644 --- a/drivers/ntb/test/ntb_tool.c +++ b/drivers/ntb/test/ntb_tool.c @@ -590,7 +590,7 @@ static int tool_setup_mw(struct tool_ctx *tc, int pidx, int widx, inmw->size = min_t(resource_size_t, req_size, size); inmw->size = round_up(inmw->size, addr_align); inmw->size = round_up(inmw->size, size_align); - inmw->mm_base = dma_alloc_coherent(&tc->ntb->dev, inmw->size, + inmw->mm_base = dma_alloc_coherent(&tc->ntb->pdev->dev, inmw->size, &inmw->dma_base, GFP_KERNEL); if (!inmw->mm_base) return -ENOMEM; @@ -612,7 +612,7 @@ static int tool_setup_mw(struct tool_ctx *tc, int pidx, int widx, return 0; err_free_dma: - dma_free_coherent(&tc->ntb->dev, inmw->size, inmw->mm_base, + dma_free_coherent(&tc->ntb->pdev->dev, inmw->size, inmw->mm_base, inmw->dma_base); inmw->mm_base = NULL; inmw->dma_base = 0; @@ -629,7 +629,7 @@ static void tool_free_mw(struct tool_ctx *tc, int pidx, int widx) if (inmw->mm_base != NULL) { ntb_mw_clear_trans(tc->ntb, pidx, widx); - dma_free_coherent(&tc->ntb->dev, inmw->size, + dma_free_coherent(&tc->ntb->pdev->dev, inmw->size, inmw->mm_base, inmw->dma_base); } -- 2.25.1