From patchwork Tue Oct 9 13:24:55 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 981310 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 42V01D6gpcz9s8F for ; Wed, 10 Oct 2018 01:27:12 +1100 (AEDT) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=infradead.org header.i=@infradead.org header.b="PEtGZznv"; dkim-atps=neutral Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 42V01D4zQbzDqfD for ; Wed, 10 Oct 2018 01:27:12 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=infradead.org header.i=@infradead.org header.b="PEtGZznv"; dkim-atps=neutral X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=none (mailfrom) smtp.mailfrom=bombadil.srs.infradead.org (client-ip=2607:7c80:54:e::133; helo=bombadil.infradead.org; envelope-from=batv+39c443e67938b060f200+5525+infradead.org+hch@bombadil.srs.infradead.org; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=infradead.org header.i=@infradead.org header.b="PEtGZznv"; dkim-atps=neutral Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 42Tyg965FFzF38J for ; Wed, 10 Oct 2018 00:26:29 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From :Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=5zhArYVOfpz3UhaczPVMIKMuoMp45C3OR3JQcBbTR4Q=; b=PEtGZznvqjw8wP1A7IE3s7HgqV Decd25/6zt9jn4oWWFRxPmPK4LgotMOtwUgznAoFNeRbLrz/ug+wyEKCPIcF8WwlxqdyVO59W9yDE SKC/H5Ajlt6IlmlXMXFY/7a5Y06GWXqghS2wIrFZf9/O/IuZf/ay77uUu0cv3mycX3mvSnl8EnBCh gerYHus3pBh9CkGKEgQybx44AxRQ1erJlyA7MM86Ml/ravdyD4DQ3CUa09sY0pCH5LUFYj0o3aKqP IsilkrZNkNMGCo6dspHltDxM3yX7cNLTTb5mVYjMrkf+VCORu/lPswZCu987zHcheUK4F8UI9rvBi QD7c1j/A==; Received: from clnet-p19-102.ikbnet.co.at ([83.175.77.102] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.90_1 #2 (Red Hat Linux)) id 1g9s1d-0001Y9-ME; Tue, 09 Oct 2018 13:26:14 +0000 From: Christoph Hellwig To: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman Subject: [PATCH 28/33] powerpc/dma: use phys_to_dma instead of get_dma_offset Date: Tue, 9 Oct 2018 15:24:55 +0200 Message-Id: <20181009132500.17643-29-hch@lst.de> X-Mailer: git-send-email 2.19.0 In-Reply-To: <20181009132500.17643-1-hch@lst.de> References: <20181009132500.17643-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arch@vger.kernel.org, linux-mm@kvack.org, iommu@lists.linux-foundation.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" Use the standard portable helper instead of the powerpc specific one, which is about to go away. Signed-off-by: Christoph Hellwig Acked-by: Benjamin Herrenschmidt --- arch/powerpc/kernel/dma-swiotlb.c | 2 +- arch/powerpc/kernel/dma.c | 10 +++++----- 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/arch/powerpc/kernel/dma-swiotlb.c b/arch/powerpc/kernel/dma-swiotlb.c index dba216dd70fd..d33caff8c684 100644 --- a/arch/powerpc/kernel/dma-swiotlb.c +++ b/arch/powerpc/kernel/dma-swiotlb.c @@ -11,7 +11,7 @@ * */ -#include +#include #include #include #include diff --git a/arch/powerpc/kernel/dma.c b/arch/powerpc/kernel/dma.c index 795afe387c91..7f7f3a069b63 100644 --- a/arch/powerpc/kernel/dma.c +++ b/arch/powerpc/kernel/dma.c @@ -6,7 +6,7 @@ */ #include -#include +#include #include #include #include @@ -42,7 +42,7 @@ static u64 __maybe_unused get_pfn_limit(struct device *dev) int dma_nommu_dma_supported(struct device *dev, u64 mask) { #ifdef CONFIG_PPC64 - u64 limit = get_dma_offset(dev) + (memblock_end_of_DRAM() - 1); + u64 limit = phys_to_dma(dev, (memblock_end_of_DRAM() - 1)); /* Limit fits in the mask, we are good */ if (mask >= limit) @@ -100,7 +100,7 @@ void *__dma_nommu_alloc_coherent(struct device *dev, size_t size, return NULL; ret = page_address(page); memset(ret, 0, size); - *dma_handle = __pa(ret) + get_dma_offset(dev); + *dma_handle = phys_to_dma(dev,__pa(ret)); return ret; } @@ -139,7 +139,7 @@ int dma_nommu_map_sg(struct device *dev, struct scatterlist *sgl, int i; for_each_sg(sgl, sg, nents, i) { - sg->dma_address = sg_phys(sg) + get_dma_offset(dev); + sg->dma_address = phys_to_dma(dev, sg_phys(sg)); sg->dma_length = sg->length; if (attrs & DMA_ATTR_SKIP_CPU_SYNC) @@ -158,7 +158,7 @@ dma_addr_t dma_nommu_map_page(struct device *dev, struct page *page, if (!(attrs & DMA_ATTR_SKIP_CPU_SYNC)) __dma_sync_page(page, offset, size, dir); - return page_to_phys(page) + offset + get_dma_offset(dev); + return phys_to_dma(dev, page_to_phys(page)) + offset; } #ifdef CONFIG_NOT_COHERENT_CACHE