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authorChristoph Hellwig <hch@lst.de>2018-10-30 10:41:29 +0300
committerChristoph Hellwig <hch@lst.de>2018-11-02 21:27:22 +0300
commitf62717551b2b7d72fc2a3975539117d350bad84d (patch)
tree4b012c18190e1779af4dce8f89750cdde19a52b9 /arch
parent8adcc59974b8a65b7eac7d503364837c297139bc (diff)
downloadlinux-f62717551b2b7d72fc2a3975539117d350bad84d.tar.xz
arm64: fix warnings without CONFIG_IOMMU_DMA
__swiotlb_get_sgtable_page and __swiotlb_mmap_pfn are not only misnamed but also only used if CONFIG_IOMMU_DMA is set. Just add a simple ifdef for now, given that we plan to remove them entirely for the next merge window. Reported-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Tested-by: Will Deacon <will.deacon@arm.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm64/mm/dma-mapping.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c
index 3a703e5d4e32..a3ac26284845 100644
--- a/arch/arm64/mm/dma-mapping.c
+++ b/arch/arm64/mm/dma-mapping.c
@@ -160,6 +160,7 @@ void arch_sync_dma_for_cpu(struct device *dev, phys_addr_t paddr,
__dma_unmap_area(phys_to_virt(paddr), size, dir);
}
+#ifdef CONFIG_IOMMU_DMA
static int __swiotlb_get_sgtable_page(struct sg_table *sgt,
struct page *page, size_t size)
{
@@ -188,6 +189,7 @@ static int __swiotlb_mmap_pfn(struct vm_area_struct *vma,
return ret;
}
+#endif /* CONFIG_IOMMU_DMA */
static int __init atomic_pool_init(void)
{