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linux_old1/arch/nios2/include/asm/dma-mapping.h

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nios2: DMA mapping API This patch adds support for the DMA mapping API. Signed-off-by: Ley Foon Tan <lftan@altera.com>
2014-11-06 15:19:53 +08:00
/*
* Copyright (C) 2011 Tobias Klauser <tklauser@distanz.ch>
* Copyright (C) 2009 Wind River Systems Inc
*
* This file is subject to the terms and conditions of the GNU General
* Public License. See the file COPYING in the main directory of this
* archive for more details.
*/
#ifndef _ASM_NIOS2_DMA_MAPPING_H
#define _ASM_NIOS2_DMA_MAPPING_H
treewide: Constify most dma_map_ops structures Most dma_map_ops structures are never modified. Constify these structures such that these can be write-protected. This patch has been generated as follows: git grep -l 'struct dma_map_ops' | xargs -d\\n sed -i \ -e 's/struct dma_map_ops/const struct dma_map_ops/g' \ -e 's/const struct dma_map_ops {/struct dma_map_ops {/g' \ -e 's/^const struct dma_map_ops;$/struct dma_map_ops;/' \ -e 's/const const struct dma_map_ops /const struct dma_map_ops /g'; sed -i -e 's/const \(struct dma_map_ops intel_dma_ops\)/\1/' \ $(git grep -l 'struct dma_map_ops intel_dma_ops'); sed -i -e 's/const \(struct dma_map_ops dma_iommu_ops\)/\1/' \ $(git grep -l 'struct dma_map_ops' | grep ^arch/powerpc); sed -i -e '/^struct vmd_dev {$/,/^};$/ s/const \(struct dma_map_ops[[:blank:]]dma_ops;\)/\1/' \ -e '/^static void vmd_setup_dma_ops/,/^}$/ s/const \(struct dma_map_ops \*dest\)/\1/' \ -e 's/const \(struct dma_map_ops \*dest = \&vmd->dma_ops\)/\1/' \ drivers/pci/host/*.c sed -i -e '/^void __init pci_iommu_alloc(void)$/,/^}$/ s/dma_ops->/intel_dma_ops./' arch/ia64/kernel/pci-dma.c sed -i -e 's/static const struct dma_map_ops sn_dma_ops/static struct dma_map_ops sn_dma_ops/' arch/ia64/sn/pci/pci_dma.c sed -i -e 's/(const struct dma_map_ops \*)//' drivers/misc/mic/bus/vop_bus.c Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Juergen Gross <jgross@suse.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: linux-arch@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: Russell King <linux@armlinux.org.uk> Cc: x86@kernel.org Signed-off-by: Doug Ledford <dledford@redhat.com>
2017-01-21 05:04:01 +08:00
extern const struct dma_map_ops nios2_dma_ops;
nios2: DMA mapping API This patch adds support for the DMA mapping API. Signed-off-by: Ley Foon Tan <lftan@altera.com>
2014-11-06 15:19:53 +08:00
treewide: Consolidate get_dma_ops() implementations Introduce a new architecture-specific get_arch_dma_ops() function that takes a struct bus_type * argument. Add get_dma_ops() in <linux/dma-mapping.h>. Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Juergen Gross <jgross@suse.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: linux-arch@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: Russell King <linux@armlinux.org.uk> Cc: x86@kernel.org Signed-off-by: Doug Ledford <dledford@redhat.com>
2017-01-21 05:04:04 +08:00
static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
nios2: DMA mapping API This patch adds support for the DMA mapping API. Signed-off-by: Ley Foon Tan <lftan@altera.com>
2014-11-06 15:19:53 +08:00
{
nios2: convert to dma_map_ops Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Ley Foon Tan <lftan@altera.com> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Cc: Joerg Roedel <jroedel@suse.de> Cc: Sebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-01-21 07:01:41 +08:00
return &nios2_dma_ops;
nios2: DMA mapping API This patch adds support for the DMA mapping API. Signed-off-by: Ley Foon Tan <lftan@altera.com>
2014-11-06 15:19:53 +08:00
}
/*
dma-mapping: remove dma_alloc_noncoherent and dma_free_noncoherent No users left, everyone switched to the _attrs versions. Signed-off-by: Christoph Hellwig <hch@lst.de>
2017-08-25 23:06:13 +08:00
* dma_alloc_attrs() always returns non-cacheable memory, so there's no need to
nios2: convert to dma_map_ops Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Ley Foon Tan <lftan@altera.com> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Cc: Joerg Roedel <jroedel@suse.de> Cc: Sebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-01-21 07:01:41 +08:00
* do any flushing here.
*/
nios2: DMA mapping API This patch adds support for the DMA mapping API. Signed-off-by: Ley Foon Tan <lftan@altera.com>
2014-11-06 15:19:53 +08:00
static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
enum dma_data_direction direction)
{
}
#endif /* _ASM_NIOS2_DMA_MAPPING_H */