diff options
| author |   Christoph Hellwig <hch@lst.de> | 2021-03-18 17:14:24 +0100 |
|---|---|---|
| committer |   Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2021-03-19 04:58:25 +0000 |
| commit | 2cbc2776efe4faed0e17c48ae076aa03a0fcc61f (patch) | |
| tree | 9f3fbd9abc1e971ad0807dcd2e0645b9aafd8634 /kernel/dma | |
| parent | swiotlb: dynamically allocate io_tlb_default_mem (diff) | |
| download | linux-dev-2cbc2776efe4faed0e17c48ae076aa03a0fcc61f.tar.xz linux-dev-2cbc2776efe4faed0e17c48ae076aa03a0fcc61f.zip | |
swiotlb: remove swiotlb_nr_tbl
All callers just use it to check if swiotlb is active at all, for which
they can just use is_swiotlb_active. In the longer run drivers need
to stop using is_swiotlb_active as well, but let's do the simple step
first.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'kernel/dma')
| -rw-r--r-- | kernel/dma/swiotlb.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c index 13de669a9b46..539c76beb52e 100644 --- a/kernel/dma/swiotlb.c +++ b/kernel/dma/swiotlb.c @@ -94,12 +94,6 @@ setup_io_tlb_npages(char *str) } early_param("swiotlb", setup_io_tlb_npages); -unsigned long swiotlb_nr_tbl(void) -{ - return io_tlb_default_mem ? io_tlb_default_mem->nslabs : 0; -} -EXPORT_SYMBOL_GPL(swiotlb_nr_tbl); - unsigned int swiotlb_max_segment(void) { return io_tlb_default_mem ? max_segment : 0; @@ -652,6 +646,7 @@ bool is_swiotlb_active(void) { return io_tlb_default_mem != NULL; } +EXPORT_SYMBOL_GPL(is_swiotlb_active); #ifdef CONFIG_DEBUG_FS |