From patchwork Mon Nov 9 18:17:21 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 7586091 Return-Path: X-Original-To: patchwork-linux-parisc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 23048C05C6 for ; Mon, 9 Nov 2015 18:22:53 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 14ADF20751 for ; Mon, 9 Nov 2015 18:22:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CB92620737 for ; Mon, 9 Nov 2015 18:22:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752535AbbKISWq (ORCPT ); Mon, 9 Nov 2015 13:22:46 -0500 Received: from bombadil.infradead.org ([198.137.202.9]:58935 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752723AbbKISWn (ORCPT ); Mon, 9 Nov 2015 13:22:43 -0500 Received: from [83.175.99.196] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.80.1 #2 (Red Hat Linux)) id 1Zvr5P-0003nr-Fx; Mon, 09 Nov 2015 18:22:36 +0000 From: Christoph Hellwig To: Andrew Morton , Haavard Skinnemoen , Hans-Christian Egtvedt , Steven Miao , Ley Foon Tan , David Howells , Koichi Yasutake , Chris Metcalf , linux-snps-arc@lists.infraded.org, linux-c6x-dev@linux-c6x.org, linux-cris-kernel@axis.com, linux-parisc@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-metag@vger.kernel.org, sparclinux@vger.kernel.org, iommu@lists.linux-foundation.org Subject: [PATCH 16/16] dma-mapping: remove Date: Mon, 9 Nov 2015 19:17:21 +0100 Message-Id: <1447093041-21832-17-git-send-email-hch@lst.de> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1447093041-21832-1-git-send-email-hch@lst.de> References: <1447093041-21832-1-git-send-email-hch@lst.de> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html Sender: linux-parisc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-parisc@vger.kernel.org X-Spam-Status: No, score=-7.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This wasn't an asm-generic header to start with, and can be merged into dma-mapping.h trivially. Signed-off-by: Christoph Hellwig --- arch/xtensa/include/asm/dma-mapping.h | 2 -- drivers/base/dma-mapping.c | 3 +-- include/asm-generic/dma-coherent.h | 32 -------------------------------- include/linux/dma-mapping.h | 34 ++++++++++++++++++++++++++++------ 4 files changed, 29 insertions(+), 42 deletions(-) delete mode 100644 include/asm-generic/dma-coherent.h diff --git a/arch/xtensa/include/asm/dma-mapping.h b/arch/xtensa/include/asm/dma-mapping.h index 32350e9..4e6ff4d 100644 --- a/arch/xtensa/include/asm/dma-mapping.h +++ b/arch/xtensa/include/asm/dma-mapping.h @@ -13,8 +13,6 @@ #include #include -#include - #include #include diff --git a/drivers/base/dma-mapping.c b/drivers/base/dma-mapping.c index 381e39d..d799662 100644 --- a/drivers/base/dma-mapping.c +++ b/drivers/base/dma-mapping.c @@ -12,7 +12,6 @@ #include #include #include -#include /* * Managed DMA API @@ -167,7 +166,7 @@ void dmam_free_noncoherent(struct device *dev, size_t size, void *vaddr, } EXPORT_SYMBOL(dmam_free_noncoherent); -#ifdef ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY +#ifdef CONFIG_HAVE_GENERIC_DMA_COHERENT static void dmam_coherent_decl_release(struct device *dev, void *res) { diff --git a/include/asm-generic/dma-coherent.h b/include/asm-generic/dma-coherent.h deleted file mode 100644 index 0297e58..0000000 --- a/include/asm-generic/dma-coherent.h +++ /dev/null @@ -1,32 +0,0 @@ -#ifndef DMA_COHERENT_H -#define DMA_COHERENT_H - -#ifdef CONFIG_HAVE_GENERIC_DMA_COHERENT -/* - * These three functions are only for dma allocator. - * Don't use them in device drivers. - */ -int dma_alloc_from_coherent(struct device *dev, ssize_t size, - dma_addr_t *dma_handle, void **ret); -int dma_release_from_coherent(struct device *dev, int order, void *vaddr); - -int dma_mmap_from_coherent(struct device *dev, struct vm_area_struct *vma, - void *cpu_addr, size_t size, int *ret); -/* - * Standard interface - */ -#define ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY -int dma_declare_coherent_memory(struct device *dev, phys_addr_t phys_addr, - dma_addr_t device_addr, size_t size, int flags); - -void dma_release_declared_memory(struct device *dev); - -void *dma_mark_declared_memory_occupied(struct device *dev, - dma_addr_t device_addr, size_t size); -#else -#define dma_alloc_from_coherent(dev, size, handle, ret) (0) -#define dma_release_from_coherent(dev, order, vaddr) (0) -#define dma_mmap_from_coherent(dev, vma, vaddr, order, ret) (0) -#endif - -#endif diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index cc0517b..d6b575b 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -11,7 +11,6 @@ #include #include #include -#include /* * A dma_addr_t can hold any valid DMA or bus address for the platform. @@ -87,6 +86,23 @@ static inline int is_device_dma_capable(struct device *dev) return dev->dma_mask != NULL && *dev->dma_mask != DMA_MASK_NONE; } +#ifdef CONFIG_HAVE_GENERIC_DMA_COHERENT +/* + * These three functions are only for dma allocator. + * Don't use them in device drivers. + */ +int dma_alloc_from_coherent(struct device *dev, ssize_t size, + dma_addr_t *dma_handle, void **ret); +int dma_release_from_coherent(struct device *dev, int order, void *vaddr); + +int dma_mmap_from_coherent(struct device *dev, struct vm_area_struct *vma, + void *cpu_addr, size_t size, int *ret); +#else +#define dma_alloc_from_coherent(dev, size, handle, ret) (0) +#define dma_release_from_coherent(dev, order, vaddr) (0) +#define dma_mmap_from_coherent(dev, vma, vaddr, order, ret) (0) +#endif /* CONFIG_HAVE_GENERIC_DMA_COHERENT */ + #ifdef CONFIG_HAS_DMA #include #else @@ -568,7 +584,13 @@ static inline int dma_get_cache_alignment(void) #define DMA_MEMORY_INCLUDES_CHILDREN 0x04 #define DMA_MEMORY_EXCLUSIVE 0x08 -#ifndef ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY +#ifdef CONFIG_HAVE_GENERIC_DMA_COHERENT +int dma_declare_coherent_memory(struct device *dev, phys_addr_t phys_addr, + dma_addr_t device_addr, size_t size, int flags); +void dma_release_declared_memory(struct device *dev); +void *dma_mark_declared_memory_occupied(struct device *dev, + dma_addr_t device_addr, size_t size); +#else static inline int dma_declare_coherent_memory(struct device *dev, phys_addr_t phys_addr, dma_addr_t device_addr, size_t size, int flags) @@ -587,7 +609,7 @@ dma_mark_declared_memory_occupied(struct device *dev, { return ERR_PTR(-EBUSY); } -#endif +#endif /* CONFIG_HAVE_GENERIC_DMA_COHERENT */ /* * Managed DMA API @@ -600,13 +622,13 @@ extern void *dmam_alloc_noncoherent(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t gfp); extern void dmam_free_noncoherent(struct device *dev, size_t size, void *vaddr, dma_addr_t dma_handle); -#ifdef ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY +#ifdef CONFIG_HAVE_GENERIC_DMA_COHERENT extern int dmam_declare_coherent_memory(struct device *dev, phys_addr_t phys_addr, dma_addr_t device_addr, size_t size, int flags); extern void dmam_release_declared_memory(struct device *dev); -#else /* ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY */ +#else /* CONFIG_HAVE_GENERIC_DMA_COHERENT */ static inline int dmam_declare_coherent_memory(struct device *dev, phys_addr_t phys_addr, dma_addr_t device_addr, size_t size, gfp_t gfp) @@ -617,7 +639,7 @@ static inline int dmam_declare_coherent_memory(struct device *dev, static inline void dmam_release_declared_memory(struct device *dev) { } -#endif /* ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY */ +#endif /* CONFIG_HAVE_GENERIC_DMA_COHERENT */ static inline void *dma_alloc_writecombine(struct device *dev, size_t size, dma_addr_t *dma_addr, gfp_t gfp)