diff options
| author |   Christoph Hellwig <hch@lst.de> | 2019-01-04 13:03:08 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2019-01-04 18:15:33 -0800 |
| commit | 3fed6ae4b027f9c93be18520f87bd06bdffd196b (patch) | |
| tree | a11a4b081e8d743e425c64d6717b117d8c231dea /arch | |
| parent | x86: re-introduce non-generic memcpy_{to,from}io (diff) | |
| download | linux-dev-3fed6ae4b027f9c93be18520f87bd06bdffd196b.tar.xz linux-dev-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')
| -rw-r--r-- | arch/ia64/Kconfig | 2 | ||||
| -rw-r--r-- | arch/ia64/mm/init.c | 2 |
2 files changed, 3 insertions, 1 deletions
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index ccd56f5df8cd..8d7396bd1790 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -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 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) |