summaryrefslogtreecommitdiffstats
path: root/kernel/dma/swiotlb.c
diff options
context:
space:
mode:
authorChristoph Hellwig <hch@lst.de>2023-02-16 07:24:19 +0100
committerChristoph Hellwig <hch@lst.de>2023-02-16 18:10:18 +0100
commit5e7b9a6ae8c352819a2d998a065910b536de0e8c (patch)
tree263b2763fba59c0d34a108a2ab28448e1864164f /kernel/dma/swiotlb.c
parentMerge tag 'apparmor-v6.2-rc9' of git://git.kernel.org/pub/scm/linux/kernel/gi... (diff)
downloadlinux-5e7b9a6ae8c352819a2d998a065910b536de0e8c.tar.xz
linux-5e7b9a6ae8c352819a2d998a065910b536de0e8c.zip
swiotlb: remove swiotlb_max_segment
swiotlb_max_segment has always been a bogus API, so remove it now that the remaining callers are gone. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Diffstat (limited to 'kernel/dma/swiotlb.c')
-rw-r--r--kernel/dma/swiotlb.c8
1 files changed, 0 insertions, 8 deletions
diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c
index a34c38bbe28f..f35d934f6e58 100644
--- a/kernel/dma/swiotlb.c
+++ b/kernel/dma/swiotlb.c
@@ -156,14 +156,6 @@ setup_io_tlb_npages(char *str)
}
early_param("swiotlb", setup_io_tlb_npages);
-unsigned int swiotlb_max_segment(void)
-{
- if (!io_tlb_default_mem.nslabs)
- return 0;
- return rounddown(io_tlb_default_mem.nslabs << IO_TLB_SHIFT, PAGE_SIZE);
-}
-EXPORT_SYMBOL_GPL(swiotlb_max_segment);
-
unsigned long swiotlb_size_or_default(void)
{
return default_nslabs << IO_TLB_SHIFT;