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| author | Dan Williams <dan.j.williams@intel.com> | 2008-02-02 19:30:14 -0700 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2008-02-06 10:12:17 -0700 |
| commit | d909b347591a23c5a2c324fbccd4c9c966f31c67 (patch) | |
| tree | 1092bfdc2722eed041a29752a62836366855c30a /crypto/async_tx/async_memcpy.c | |
| parent | e73ef9acfd30f36bf7c60237ecffe7bbca8068d6 (diff) | |
| download | linux-d909b347591a23c5a2c324fbccd4c9c966f31c67.tar.gz linux-d909b347591a23c5a2c324fbccd4c9c966f31c67.tar.bz2 linux-d909b347591a23c5a2c324fbccd4c9c966f31c67.zip | |
async_tx: kill ASYNC_TX_ASSUME_COHERENT
Remove the unused ASYNC_TX_ASSUME_COHERENT flag. Async_tx is
meant to hide the difference between asynchronous hardware and synchronous
software operations, this flag requires clients to understand cache
coherency consequences of the async path.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
Diffstat (limited to 'crypto/async_tx/async_memcpy.c')
| -rw-r--r-- | crypto/async_tx/async_memcpy.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/crypto/async_tx/async_memcpy.c b/crypto/async_tx/async_memcpy.c index 047e533fcc5b..e8c8956ef1dd 100644 --- a/crypto/async_tx/async_memcpy.c +++ b/crypto/async_tx/async_memcpy.c @@ -35,7 +35,7 @@ * @src: src page * @offset: offset in pages to start transaction * @len: length in bytes - * @flags: ASYNC_TX_ASSUME_COHERENT, ASYNC_TX_ACK, ASYNC_TX_DEP_ACK, + * @flags: ASYNC_TX_ACK, ASYNC_TX_DEP_ACK, * @depend_tx: memcpy depends on the result of this transaction * @cb_fn: function to call when the memcpy completes * @cb_param: parameter to pass to the callback routine @@ -55,20 +55,15 @@ async_memcpy(struct page *dest, struct page *src, unsigned int dest_offset, if (tx) { /* run the memcpy asynchronously */ dma_addr_t addr; - enum dma_data_direction dir; pr_debug("%s: (async) len: %zu\n", __FUNCTION__, len); - dir = (flags & ASYNC_TX_ASSUME_COHERENT) ? - DMA_NONE : DMA_FROM_DEVICE; - - addr = dma_map_page(device->dev, dest, dest_offset, len, dir); + addr = dma_map_page(device->dev, dest, dest_offset, len, + DMA_FROM_DEVICE); tx->tx_set_dest(addr, tx, 0); - dir = (flags & ASYNC_TX_ASSUME_COHERENT) ? - DMA_NONE : DMA_TO_DEVICE; - - addr = dma_map_page(device->dev, src, src_offset, len, dir); + addr = dma_map_page(device->dev, src, src_offset, len, + DMA_TO_DEVICE); tx->tx_set_src(addr, tx, 0); async_tx_submit(chan, tx, flags, depend_tx, cb_fn, cb_param); |