From patchwork Fri Jan 12 08:42:14 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 859627 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=sparclinux-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=infradead.org header.i=@infradead.org header.b="NsM/VYrp"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3zHxHh2cnPz9rxj for ; Fri, 12 Jan 2018 19:49:04 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933894AbeALInx (ORCPT ); Fri, 12 Jan 2018 03:43:53 -0500 Received: from bombadil.infradead.org ([65.50.211.133]:40506 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933639AbeALIne (ORCPT ); Fri, 12 Jan 2018 03:43:34 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=References:In-Reply-To:Message-Id: Date:Subject:Cc:To:From:Sender:Reply-To:MIME-Version:Content-Type: Content-Transfer-Encoding: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=r+fqxY8bxuU6DxfwU2ZFYMFoYgWuQA09Pc8q0OQxKNY=; b=NsM/VYrp9hdhNwV4Gntx6kCej zcv/XZV9OmSBSzFsNADydh2sta8EW6sDhAZ9QWY8Hr9j1PaROQEVzi+5tShTLhcFf6zh3ipklyLka kxlm6zCbWRtWHF89bGQKwpNQm/KqMFee/R+CDm/1HHTXZ9OQ5e4Lz3t4C/vQv9368W1orRxqh8GZC wQRk72Vbsla0RV30kmqsckZkUz/tJkJZl/T/4C3hN8Vq89GAfX4ibGmHPK1AJ8fwosB6hNTQNifPG LTXcUtg7xQWcjWtX0Zu7tVGCq1bhWqC8jnNQ66fTxMEufgCVsleFqbCj6KrBIzO3DRzBU+7V/smkE ckazwFR5Q==; Received: from [188.21.167.3] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.89 #1 (Red Hat Linux)) id 1eZuvw-0007zW-PT; Fri, 12 Jan 2018 08:43:29 +0000 From: Christoph Hellwig To: iommu@lists.linux-foundation.org Cc: Konrad Rzeszutek Wilk , linux-alpha@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-c6x-dev@linux-c6x.org, linux-cris-kernel@axis.com, linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-metag@vger.kernel.org, Michal Simek , linux-mips@linux-mips.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, patches@groups.riscv.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, Guan Xuetao , x86@kernel.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 16/34] microblaze: rename dma_direct to dma_nommu Date: Fri, 12 Jan 2018 09:42:14 +0100 Message-Id: <20180112084232.2857-17-hch@lst.de> X-Mailer: git-send-email 2.14.2 In-Reply-To: <20180112084232.2857-1-hch@lst.de> References: <20180112084232.2857-1-hch@lst.de> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: sparclinux-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: sparclinux@vger.kernel.org This frees the dma_direct_* namespace for a generic implementation. Signed-off-by: Christoph Hellwig --- arch/microblaze/include/asm/dma-mapping.h | 4 +-- arch/microblaze/kernel/dma.c | 48 +++++++++++++++---------------- 2 files changed, 26 insertions(+), 26 deletions(-) diff --git a/arch/microblaze/include/asm/dma-mapping.h b/arch/microblaze/include/asm/dma-mapping.h index 6b9ea39405b8..add50c1373bf 100644 --- a/arch/microblaze/include/asm/dma-mapping.h +++ b/arch/microblaze/include/asm/dma-mapping.h @@ -18,11 +18,11 @@ /* * Available generic sets of operations */ -extern const struct dma_map_ops dma_direct_ops; +extern const struct dma_map_ops dma_nommu_ops; static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus) { - return &dma_direct_ops; + return &dma_nommu_ops; } #endif /* _ASM_MICROBLAZE_DMA_MAPPING_H */ diff --git a/arch/microblaze/kernel/dma.c b/arch/microblaze/kernel/dma.c index 990bf9ea0ec6..450803e5731a 100644 --- a/arch/microblaze/kernel/dma.c +++ b/arch/microblaze/kernel/dma.c @@ -17,7 +17,7 @@ #define NOT_COHERENT_CACHE -static void *dma_direct_alloc_coherent(struct device *dev, size_t size, +static void *dma_nommu_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t flag, unsigned long attrs) { @@ -42,7 +42,7 @@ static void *dma_direct_alloc_coherent(struct device *dev, size_t size, #endif } -static void dma_direct_free_coherent(struct device *dev, size_t size, +static void dma_nommu_free_coherent(struct device *dev, size_t size, void *vaddr, dma_addr_t dma_handle, unsigned long attrs) { @@ -69,7 +69,7 @@ static inline void __dma_sync(unsigned long paddr, } } -static int dma_direct_map_sg(struct device *dev, struct scatterlist *sgl, +static int dma_nommu_map_sg(struct device *dev, struct scatterlist *sgl, int nents, enum dma_data_direction direction, unsigned long attrs) { @@ -89,12 +89,12 @@ static int dma_direct_map_sg(struct device *dev, struct scatterlist *sgl, return nents; } -static int dma_direct_dma_supported(struct device *dev, u64 mask) +static int dma_nommu_dma_supported(struct device *dev, u64 mask) { return 1; } -static inline dma_addr_t dma_direct_map_page(struct device *dev, +static inline dma_addr_t dma_nommu_map_page(struct device *dev, struct page *page, unsigned long offset, size_t size, @@ -106,7 +106,7 @@ static inline dma_addr_t dma_direct_map_page(struct device *dev, return page_to_phys(page) + offset; } -static inline void dma_direct_unmap_page(struct device *dev, +static inline void dma_nommu_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size, enum dma_data_direction direction, @@ -122,7 +122,7 @@ static inline void dma_direct_unmap_page(struct device *dev, } static inline void -dma_direct_sync_single_for_cpu(struct device *dev, +dma_nommu_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size, enum dma_data_direction direction) { @@ -136,7 +136,7 @@ dma_direct_sync_single_for_cpu(struct device *dev, } static inline void -dma_direct_sync_single_for_device(struct device *dev, +dma_nommu_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, size_t size, enum dma_data_direction direction) { @@ -150,7 +150,7 @@ dma_direct_sync_single_for_device(struct device *dev, } static inline void -dma_direct_sync_sg_for_cpu(struct device *dev, +dma_nommu_sync_sg_for_cpu(struct device *dev, struct scatterlist *sgl, int nents, enum dma_data_direction direction) { @@ -164,7 +164,7 @@ dma_direct_sync_sg_for_cpu(struct device *dev, } static inline void -dma_direct_sync_sg_for_device(struct device *dev, +dma_nommu_sync_sg_for_device(struct device *dev, struct scatterlist *sgl, int nents, enum dma_data_direction direction) { @@ -178,7 +178,7 @@ dma_direct_sync_sg_for_device(struct device *dev, } static -int dma_direct_mmap_coherent(struct device *dev, struct vm_area_struct *vma, +int dma_nommu_mmap_coherent(struct device *dev, struct vm_area_struct *vma, void *cpu_addr, dma_addr_t handle, size_t size, unsigned long attrs) { @@ -204,20 +204,20 @@ int dma_direct_mmap_coherent(struct device *dev, struct vm_area_struct *vma, #endif } -const struct dma_map_ops dma_direct_ops = { - .alloc = dma_direct_alloc_coherent, - .free = dma_direct_free_coherent, - .mmap = dma_direct_mmap_coherent, - .map_sg = dma_direct_map_sg, - .dma_supported = dma_direct_dma_supported, - .map_page = dma_direct_map_page, - .unmap_page = dma_direct_unmap_page, - .sync_single_for_cpu = dma_direct_sync_single_for_cpu, - .sync_single_for_device = dma_direct_sync_single_for_device, - .sync_sg_for_cpu = dma_direct_sync_sg_for_cpu, - .sync_sg_for_device = dma_direct_sync_sg_for_device, +const struct dma_map_ops dma_nommu_ops = { + .alloc = dma_nommu_alloc_coherent, + .free = dma_nommu_free_coherent, + .mmap = dma_nommu_mmap_coherent, + .map_sg = dma_nommu_map_sg, + .dma_supported = dma_nommu_dma_supported, + .map_page = dma_nommu_map_page, + .unmap_page = dma_nommu_unmap_page, + .sync_single_for_cpu = dma_nommu_sync_single_for_cpu, + .sync_single_for_device = dma_nommu_sync_single_for_device, + .sync_sg_for_cpu = dma_nommu_sync_sg_for_cpu, + .sync_sg_for_device = dma_nommu_sync_sg_for_device, }; -EXPORT_SYMBOL(dma_direct_ops); +EXPORT_SYMBOL(dma_nommu_ops); /* Number of entries preallocated for DMA-API debugging */ #define PREALLOC_DMA_DEBUG_ENTRIES (1 << 16)