[PATCH 27/28] ia64: remove CONFIG_SWIOTLB ifdefs

From: Christoph Hellwig
Date: Tue Aug 13 2019 - 03:26:55 EST


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

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
arch/ia64/kernel/dma-mapping.c | 2 --
arch/ia64/mm/init.c | 2 --
2 files changed, 4 deletions(-)

diff --git a/arch/ia64/kernel/dma-mapping.c b/arch/ia64/kernel/dma-mapping.c
index 53aaa8597920..4a3262795890 100644
--- a/arch/ia64/kernel/dma-mapping.c
+++ b/arch/ia64/kernel/dma-mapping.c
@@ -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
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index 1979cdb61d7c..678b98a09c85 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -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)
--
2.20.1