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5657933dbb
Some but not all architectures provide set_dma_ops(). Move dma_ops from struct dev_archdata into struct device such that it becomes possible on all architectures to configure dma_ops per device. Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 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>
45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
#ifndef _ASM_DMA_MAPPING_H
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#define _ASM_DMA_MAPPING_H
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#include <linux/scatterlist.h>
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#include <asm/dma-coherence.h>
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#include <asm/cache.h>
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#ifndef CONFIG_SGI_IP27 /* Kludge to fix 2.6.39 build for IP27 */
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#include <dma-coherence.h>
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#endif
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extern const struct dma_map_ops *mips_dma_map_ops;
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static inline const struct dma_map_ops *get_dma_ops(struct device *dev)
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{
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if (dev && dev->dma_ops)
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return dev->dma_ops;
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else
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return mips_dma_map_ops;
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}
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static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size)
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{
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if (!dev->dma_mask)
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return false;
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return addr + size <= *dev->dma_mask;
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}
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static inline void dma_mark_clean(void *addr, size_t size) {}
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extern void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
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enum dma_data_direction direction);
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#define arch_setup_dma_ops arch_setup_dma_ops
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static inline void arch_setup_dma_ops(struct device *dev, u64 dma_base,
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u64 size, const struct iommu_ops *iommu,
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bool coherent)
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{
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#ifdef CONFIG_DMA_PERDEV_COHERENT
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dev->archdata.dma_coherent = coherent;
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#endif
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}
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#endif /* _ASM_DMA_MAPPING_H */
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