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| author | Christoph Hellwig <hch@lst.de> | 2018-12-03 14:58:59 +0100 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2018-12-13 21:06:08 +0100 |
| commit | 8d59b5f2a44611d7327a2a14b36090d692186f60 (patch) | |
| tree | 395fe8df3b3c0c871f0ddafe20a2b71aba58a451 /kernel/dma | |
| parent | 20b105feda8d42360bd690b8fdf6b2f00ba4a993 (diff) | |
| download | linux-8d59b5f2a44611d7327a2a14b36090d692186f60.tar.bz2 | |
dma-mapping: simplify the dma_sync_single_range_for_{cpu,device} implementation
We can just call the regular calls after adding offset the the address instead
of reimplementing them.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Tested-by: Jesper Dangaard Brouer <brouer@redhat.com>
Tested-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'kernel/dma')
| -rw-r--r-- | kernel/dma/debug.c | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/kernel/dma/debug.c b/kernel/dma/debug.c index 20ab0f6c1b70..164706da2a73 100644 --- a/kernel/dma/debug.c +++ b/kernel/dma/debug.c @@ -1633,48 +1633,6 @@ void debug_dma_sync_single_for_device(struct device *dev, } EXPORT_SYMBOL(debug_dma_sync_single_for_device); -void debug_dma_sync_single_range_for_cpu(struct device *dev, - dma_addr_t dma_handle, - unsigned long offset, size_t size, - int direction) -{ - struct dma_debug_entry ref; - - if (unlikely(dma_debug_disabled())) - return; - - ref.type = dma_debug_single; - ref.dev = dev; - ref.dev_addr = dma_handle; - ref.size = offset + size; - ref.direction = direction; - ref.sg_call_ents = 0; - - check_sync(dev, &ref, true); -} -EXPORT_SYMBOL(debug_dma_sync_single_range_for_cpu); - -void debug_dma_sync_single_range_for_device(struct device *dev, - dma_addr_t dma_handle, - unsigned long offset, - size_t size, int direction) -{ - struct dma_debug_entry ref; - - if (unlikely(dma_debug_disabled())) - return; - - ref.type = dma_debug_single; - ref.dev = dev; - ref.dev_addr = dma_handle; - ref.size = offset + size; - ref.direction = direction; - ref.sg_call_ents = 0; - - check_sync(dev, &ref, false); -} -EXPORT_SYMBOL(debug_dma_sync_single_range_for_device); - void debug_dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems, int direction) { |