diff options
| author | Christoph Hellwig <hch@lst.de> | 2019-01-04 22:03:08 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-01-05 03:15:33 +0100 |
| commit | 3fed6ae4b027f9c93be18520f87bd06bdffd196b (patch) | |
| tree | a11a4b081e8d743e425c64d6717b117d8c231dea /arch/ia64/mm | |
| parent | x86: re-introduce non-generic memcpy_{to,from}io (diff) | |
| download | linux-3fed6ae4b027f9c93be18520f87bd06bdffd196b.tar.xz linux-3fed6ae4b027f9c93be18520f87bd06bdffd196b.zip | |
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>
Diffstat (limited to 'arch/ia64/mm')
| -rw-r--r-- | arch/ia64/mm/init.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c index 055382622f07..29d841525ca1 100644 --- a/arch/ia64/mm/init.c +++ b/arch/ia64/mm/init.c @@ -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) |