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ia64: fix compile without swiotlb 

Some non-generic ia64 configs don't build swiotlb, and thus should not
pull in the generic non-coherent DMA infrastructure.

Fixes: 68c608345c ("swiotlb: remove dma_mark_clean")
Reported-by: Tony Luck <tony.luck@gmail.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Christoph Hellwig 2019-01-04 13:03:08 -08:00 committed by Linus Torvalds
parent 170d13ca3a
commit 3fed6ae4b0
2 changed files with 3 additions and 1 deletions
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2
arch/ia64/Kconfig
View File

@ -31,7 +31,7 @@ config IA64
select HAVE_MEMBLOCK_NODE_MAP
select HAVE_VIRT_CPU_ACCOUNTING
select ARCH_HAS_DMA_COHERENT_TO_PFN if SWIOTLB
select ARCH_HAS_SYNC_DMA_FOR_CPU
select ARCH_HAS_SYNC_DMA_FOR_CPU if SWIOTLB
select VIRT_TO_BUS
select ARCH_DISCARD_MEMBLOCK
select GENERIC_IRQ_PROBE

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

@ -67,6 +67,7 @@ __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
@ -81,6 +82,7 @@ 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)