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ia64: remove CONFIG_SWIOTLB ifdefs

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CONFIG_SWIOTLB is now unconditionally selected on ia64, so remove the
ifdefs.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lkml.kernel.org/r/20190813072514.23299-28-hch@lst.de
Signed-off-by: Tony Luck <tony.luck@intel.com>
This commit is contained in:
Christoph Hellwig 2019-08-13 09:25:13 +02:00 committed by Tony Luck
parent df41017eaf
commit 6c13bb1d58
2 changed files with 0 additions and 4 deletions
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2
arch/ia64/kernel/dma-mapping.c
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@ -8,7 +8,6 @@ int iommu_detected __read_mostly;
const struct dma_map_ops *dma_ops;
EXPORT_SYMBOL(dma_ops);
#ifdef CONFIG_SWIOTLB
void *arch_dma_alloc(struct device *dev, size_t size,
dma_addr_t *dma_handle, gfp_t gfp, unsigned long attrs)
{
@ -26,4 +25,3 @@ long arch_dma_coherent_to_pfn(struct device *dev, void *cpu_addr,
{
return page_to_pfn(virt_to_page(cpu_addr));
}
#endif

2
arch/ia64/mm/init.c
View File

@ -68,7 +68,6 @@ __ia64_sync_icache_dcache (pte_t pte)
set_bit(PG_arch_1, &page->flags); /* mark page as clean */
}
#ifdef CONFIG_SWIOTLB
/*
* Since DMA is i-cache coherent, any (complete) pages that were written via
* DMA can be marked as "clean" so that lazy_mmu_prot_update() doesn't have to
@ -83,7 +82,6 @@ void arch_sync_dma_for_cpu(struct device *dev, phys_addr_t paddr,
set_bit(PG_arch_1, &pfn_to_page(pfn)->flags);
} while (++pfn <= PHYS_PFN(paddr + size - 1));
}
#endif
inline void
ia64_set_rbs_bot (void)