From patchwork Thu Jun 2 15:39:08 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 9150643 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 3F9D160467 for ; Thu, 2 Jun 2016 15:41:20 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2DDB3200F4 for ; Thu, 2 Jun 2016 15:41:20 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1F9ED2831B; Thu, 2 Jun 2016 15:41:20 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 6DC34200F4 for ; Thu, 2 Jun 2016 15:41:19 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1b8UkJ-0001ub-5k; Thu, 02 Jun 2016 15:41:19 +0000 Received: from mailout1.w1.samsung.com ([210.118.77.11]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1b8Uk8-0001N8-KA; Thu, 02 Jun 2016 15:41:12 +0000 Received: from eucpsbgm2.samsung.com (unknown [203.254.199.245]) by mailout1.w1.samsung.com (Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5 2014)) with ESMTP id <0O8500L1II7VAI10@mailout1.w1.samsung.com>; Thu, 02 Jun 2016 16:40:44 +0100 (BST) X-AuditID: cbfec7f5-f792a6d000001302-24-5750537b299c Received: from eusync1.samsung.com ( [203.254.199.211]) by eucpsbgm2.samsung.com (EUCPMTA) with SMTP id 12.CB.04866.B7350575; Thu, 2 Jun 2016 16:40:43 +0100 (BST) Received: from AMDC2174.DIGITAL.local ([106.120.53.17]) by eusync1.samsung.com (Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5 2014)) with ESMTPA id <0O85008BCI6FXK50@eusync1.samsung.com>; Thu, 02 Jun 2016 16:40:43 +0100 (BST) From: Krzysztof Kozlowski To: Richard Henderson , Ivan Kokshaysky , Matt Turner , Vineet Gupta , Russell King , Stefano Stabellini , Catalin Marinas , Will Deacon , Haavard Skinnemoen , Hans-Christian Egtvedt , Steven Miao , Mark Salter , Aurelien Jacquiot , Mikael Starvik , Jesper Nilsson , Yoshinori Sato , Richard Kuo , Tony Luck , Fenghua Yu , Konrad Rzeszutek Wilk , Geert Uytterhoeven , James Hogan , Michal Simek , Ralf Baechle , David Howells , Ley Foon Tan , Jonas Bonn , "James E.J. Bottomley" , Helge Deller , Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , Arnd Bergmann , Olof Johansson , Geoff Levand , Martin Schwidefsky , Guan Xuetao , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , x86@kernel.org, Boris Ostrovsky , David Vrabel , Juergen Gross , Muli Ben-Yehuda , Bjorn Helgaas , David Airlie , Joerg Roedel , David Woodhouse , Andrew Morton , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-alpha@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, xen-devel@lists.xenproject.org, adi-buildroot-devel@lists.sourceforge.net, linux-c6x-dev@linux-c6x.org, linux-cris-kernel@axis.com, uclinux-h8-devel@lists.sourceforge.jp, linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-metag@vger.kernel.org, linux-mips@linux-mips.org, linux-am33-list@redhat.com, nios2-dev@lists.rocketboards.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, discuss@x86-64.org, linux-pci@vger.kernel.org, linux-xtensa@linux-xtensa.org, dri-devel@lists.freedesktop.org, linux-samsung-soc@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, nouveau@lists.freedesktop.org, linux-rockchip@lists.infradead.org, linux-rdma@vger.kernel.org, iommu@lists.linux-foundation.org, linux-media@vger.kernel.org, linux-omap@vger.kernel.org, linux-fbdev@vger.kernel.org Subject: [RFC v3 06/45] arm64: dma-mapping: Use unsigned long for dma_attrs Date: Thu, 02 Jun 2016 17:39:08 +0200 Message-id: <1464881987-13203-7-git-send-email-k.kozlowski@samsung.com> X-Mailer: git-send-email 1.9.1 In-reply-to: <1464881987-13203-1-git-send-email-k.kozlowski@samsung.com> References: <1464881987-13203-1-git-send-email-k.kozlowski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAAzWSa0iTYRTHe97nvSkNXtbtragPgwq6W1EHky4Q9UBESwOhD+bSF43UZNOo jFouNcvLvFa6htVMXd6mVCrNywjNSmsZ2kUzbc1M01nZzbI2pW+///n/D+dwODyWv2EW8Iej YiR1lCpCwXrTjyZbOlbFBSgD13YYZkFy7QQHLZVaFlLbWykwVJSy8CezmQPL5QoGXPEJGEzx 4WC/lEDD6M0UBEXFe6D382sEI/ETNEx+GsbwfHyUhYySLAwXy/s5SMzdDoaBNgTOV1YKTINb oOnFNw4e6a9TkGuZBz/Gde7GhxYMBQ2bYcT4AUNvuZmBAVseBsPLdfD7iouC5PxKDoY++MDN G+8RvNd3szDScx9BXkMPDVXvOhnIaGjj4H6+noLiW+UYriWaaHiQ5mJg9FwNC67zIwx01BlY KHKUYUipvO2WOrtnqyQa9DmZHOSb0mnof/iUgjZjCwtOWyoNn9/+xaC/psNw+Um9+x6/szEk dJdRUNJWxoEtx4pg4vsks+0AcTQZKZJg1bOk1FiKSEenHZOJX5mIdJUryVCW3l1KS6VIU7+N JdcHtTSpzevhiGssiBRUxZL8nE5EUmofI1JdvFy58YC3X6gUcfiYpF6zJdg7vM7qwNHm3cc7 7U5ai/76XkBevChsELOHm6hpnis+fVPBXkDevFwoRGLj4wY0Lc5SojUtbSrFCuvF6iLTVGq2 YBFF7Ts79hhYOCUOtvxCHp4l7BbvfU+nPUwLS8TGW+emWCbsEmueG9jpcYvF1uYsxsNeAhFN FSVTGbk7Y9dVM3okK0AzzGiOFBsSrTkUFrlutUYVqYmNClsdcjSyCk1/3XgNKmz2tSGBR4qZ shkr9wbKGdUxzYlIGxJ5rJgt2+SvDJTLQlUnTkrqowfVsRGSxoYW8rRinuxK3eh+uRCmipGO SFK0pP7vUrzXAi3y33n3qpKYjxfyP3/Gfaxv3zrQxYT5tSc7YkRrUlnoM5fD0Nr+5dOy4nGf G+FBm+b4ai8GWQPP04v6MrItZ/Y1RnT1zO9asjR6h7kqIORVovxgNcvmBktO49DYhvrTKH3Y GXU3KUO34k7f0uCCMf+v1MuSyV6pTxUX4Net8aldqaA14Sqf5VitUf0DcBDXAHEDAAA= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160602_084109_125159_10BDD9F1 X-CRM114-Status: GOOD ( 18.58 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: hch@infradead.org, Krzysztof Kozlowski , Bartlomiej Zolnierkiewicz MIME-Version: 1.0 Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Split out subsystem specific changes for easier reviews. This will be squashed with main commit. Signed-off-by: Krzysztof Kozlowski --- arch/arm64/mm/dma-mapping.c | 57 +++++++++++++++++++++++---------------------- 1 file changed, 29 insertions(+), 28 deletions(-) diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c index c566ec83719f..a7686028dfeb 100644 --- a/arch/arm64/mm/dma-mapping.c +++ b/arch/arm64/mm/dma-mapping.c @@ -29,7 +29,7 @@ #include -static pgprot_t __get_dma_pgprot(struct dma_attrs *attrs, pgprot_t prot, +static pgprot_t __get_dma_pgprot(unsigned long attrs, pgprot_t prot, bool coherent) { if (!coherent || dma_get_attr(DMA_ATTR_WRITE_COMBINE, attrs)) @@ -88,7 +88,7 @@ static int __free_from_pool(void *start, size_t size) static void *__dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t flags, - struct dma_attrs *attrs) + unsigned long attrs) { if (dev == NULL) { WARN_ONCE(1, "Use an actual device structure for DMA allocation\n"); @@ -118,7 +118,7 @@ static void *__dma_alloc_coherent(struct device *dev, size_t size, static void __dma_free_coherent(struct device *dev, size_t size, void *vaddr, dma_addr_t dma_handle, - struct dma_attrs *attrs) + unsigned long attrs) { bool freed; phys_addr_t paddr = dma_to_phys(dev, dma_handle); @@ -137,7 +137,7 @@ static void __dma_free_coherent(struct device *dev, size_t size, static void *__dma_alloc(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t flags, - struct dma_attrs *attrs) + unsigned long attrs) { struct page *page; void *ptr, *coherent_ptr; @@ -185,7 +185,7 @@ no_mem: static void __dma_free(struct device *dev, size_t size, void *vaddr, dma_addr_t dma_handle, - struct dma_attrs *attrs) + unsigned long attrs) { void *swiotlb_addr = phys_to_virt(dma_to_phys(dev, dma_handle)); @@ -202,7 +202,7 @@ static void __dma_free(struct device *dev, size_t size, static dma_addr_t __swiotlb_map_page(struct device *dev, struct page *page, unsigned long offset, size_t size, enum dma_data_direction dir, - struct dma_attrs *attrs) + unsigned long attrs) { dma_addr_t dev_addr; @@ -216,7 +216,7 @@ static dma_addr_t __swiotlb_map_page(struct device *dev, struct page *page, static void __swiotlb_unmap_page(struct device *dev, dma_addr_t dev_addr, size_t size, enum dma_data_direction dir, - struct dma_attrs *attrs) + unsigned long attrs) { if (!is_device_dma_coherent(dev)) __dma_unmap_area(phys_to_virt(dma_to_phys(dev, dev_addr)), size, dir); @@ -225,7 +225,7 @@ static void __swiotlb_unmap_page(struct device *dev, dma_addr_t dev_addr, static int __swiotlb_map_sg_attrs(struct device *dev, struct scatterlist *sgl, int nelems, enum dma_data_direction dir, - struct dma_attrs *attrs) + unsigned long attrs) { struct scatterlist *sg; int i, ret; @@ -242,7 +242,7 @@ static int __swiotlb_map_sg_attrs(struct device *dev, struct scatterlist *sgl, static void __swiotlb_unmap_sg_attrs(struct device *dev, struct scatterlist *sgl, int nelems, enum dma_data_direction dir, - struct dma_attrs *attrs) + unsigned long attrs) { struct scatterlist *sg; int i; @@ -303,7 +303,7 @@ static void __swiotlb_sync_sg_for_device(struct device *dev, static int __swiotlb_mmap(struct device *dev, struct vm_area_struct *vma, void *cpu_addr, dma_addr_t dma_addr, size_t size, - struct dma_attrs *attrs) + unsigned long attrs) { int ret = -ENXIO; unsigned long nr_vma_pages = (vma->vm_end - vma->vm_start) >> @@ -330,7 +330,7 @@ static int __swiotlb_mmap(struct device *dev, static int __swiotlb_get_sgtable(struct device *dev, struct sg_table *sgt, void *cpu_addr, dma_addr_t handle, size_t size, - struct dma_attrs *attrs) + unsigned long attrs) { int ret = sg_alloc_table(sgt, 1, GFP_KERNEL); @@ -425,21 +425,21 @@ out: static void *__dummy_alloc(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t flags, - struct dma_attrs *attrs) + unsigned long attrs) { return NULL; } static void __dummy_free(struct device *dev, size_t size, void *vaddr, dma_addr_t dma_handle, - struct dma_attrs *attrs) + unsigned long attrs) { } static int __dummy_mmap(struct device *dev, struct vm_area_struct *vma, void *cpu_addr, dma_addr_t dma_addr, size_t size, - struct dma_attrs *attrs) + unsigned long attrs) { return -ENXIO; } @@ -447,20 +447,20 @@ static int __dummy_mmap(struct device *dev, static dma_addr_t __dummy_map_page(struct device *dev, struct page *page, unsigned long offset, size_t size, enum dma_data_direction dir, - struct dma_attrs *attrs) + unsigned long attrs) { return DMA_ERROR_CODE; } static void __dummy_unmap_page(struct device *dev, dma_addr_t dev_addr, size_t size, enum dma_data_direction dir, - struct dma_attrs *attrs) + unsigned long attrs) { } static int __dummy_map_sg(struct device *dev, struct scatterlist *sgl, int nelems, enum dma_data_direction dir, - struct dma_attrs *attrs) + unsigned long attrs) { return 0; } @@ -468,7 +468,7 @@ static int __dummy_map_sg(struct device *dev, struct scatterlist *sgl, static void __dummy_unmap_sg(struct device *dev, struct scatterlist *sgl, int nelems, enum dma_data_direction dir, - struct dma_attrs *attrs) + unsigned long attrs) { } @@ -540,7 +540,7 @@ static void flush_page(struct device *dev, const void *virt, phys_addr_t phys) static void *__iommu_alloc_attrs(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp, - struct dma_attrs *attrs) + unsigned long attrs) { bool coherent = is_device_dma_coherent(dev); int ioprot = dma_direction_to_prot(DMA_BIDIRECTIONAL, coherent); @@ -600,7 +600,8 @@ static void *__iommu_alloc_attrs(struct device *dev, size_t size, } static void __iommu_free_attrs(struct device *dev, size_t size, void *cpu_addr, - dma_addr_t handle, struct dma_attrs *attrs) + dma_addr_t handle, + unsigned long attrs) { size_t iosize = size; @@ -616,7 +617,7 @@ static void __iommu_free_attrs(struct device *dev, size_t size, void *cpu_addr, * Hence how dodgy the below logic looks... */ if (__in_atomic_pool(cpu_addr, size)) { - iommu_dma_unmap_page(dev, handle, iosize, 0, NULL); + iommu_dma_unmap_page(dev, handle, iosize, 0, 0); __free_from_pool(cpu_addr, size); } else if (is_vmalloc_addr(cpu_addr)){ struct vm_struct *area = find_vm_area(cpu_addr); @@ -626,14 +627,14 @@ static void __iommu_free_attrs(struct device *dev, size_t size, void *cpu_addr, iommu_dma_free(dev, area->pages, iosize, &handle); dma_common_free_remap(cpu_addr, size, VM_USERMAP); } else { - iommu_dma_unmap_page(dev, handle, iosize, 0, NULL); + iommu_dma_unmap_page(dev, handle, iosize, 0, 0); __free_pages(virt_to_page(cpu_addr), get_order(size)); } } static int __iommu_mmap_attrs(struct device *dev, struct vm_area_struct *vma, void *cpu_addr, dma_addr_t dma_addr, size_t size, - struct dma_attrs *attrs) + unsigned long attrs) { struct vm_struct *area; int ret; @@ -653,7 +654,7 @@ static int __iommu_mmap_attrs(struct device *dev, struct vm_area_struct *vma, static int __iommu_get_sgtable(struct device *dev, struct sg_table *sgt, void *cpu_addr, dma_addr_t dma_addr, - size_t size, struct dma_attrs *attrs) + size_t size, unsigned long attrs) { unsigned int count = PAGE_ALIGN(size) >> PAGE_SHIFT; struct vm_struct *area = find_vm_area(cpu_addr); @@ -694,7 +695,7 @@ static void __iommu_sync_single_for_device(struct device *dev, static dma_addr_t __iommu_map_page(struct device *dev, struct page *page, unsigned long offset, size_t size, enum dma_data_direction dir, - struct dma_attrs *attrs) + unsigned long attrs) { bool coherent = is_device_dma_coherent(dev); int prot = dma_direction_to_prot(dir, coherent); @@ -709,7 +710,7 @@ static dma_addr_t __iommu_map_page(struct device *dev, struct page *page, static void __iommu_unmap_page(struct device *dev, dma_addr_t dev_addr, size_t size, enum dma_data_direction dir, - struct dma_attrs *attrs) + unsigned long attrs) { if (!dma_get_attr(DMA_ATTR_SKIP_CPU_SYNC, attrs)) __iommu_sync_single_for_cpu(dev, dev_addr, size, dir); @@ -747,7 +748,7 @@ static void __iommu_sync_sg_for_device(struct device *dev, static int __iommu_map_sg_attrs(struct device *dev, struct scatterlist *sgl, int nelems, enum dma_data_direction dir, - struct dma_attrs *attrs) + unsigned long attrs) { bool coherent = is_device_dma_coherent(dev); @@ -761,7 +762,7 @@ static int __iommu_map_sg_attrs(struct device *dev, struct scatterlist *sgl, static void __iommu_unmap_sg_attrs(struct device *dev, struct scatterlist *sgl, int nelems, enum dma_data_direction dir, - struct dma_attrs *attrs) + unsigned long attrs) { if (!dma_get_attr(DMA_ATTR_SKIP_CPU_SYNC, attrs)) __iommu_sync_sg_for_cpu(dev, sgl, nelems, dir);