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| author | Dan Williams <dan.j.williams@intel.com> | 2008-02-02 19:49:58 -0700 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2008-02-06 10:12:18 -0700 |
| commit | d4c56f97ff21df405d0cebe11f49e3c3c79662b5 (patch) | |
| tree | e6b0de433d7c985982ac12815998242a786d87b2 /crypto/async_tx/async_memcpy.c | |
| parent | 0036731c88fdb5bf4f04a796a30b5e445fc57f54 (diff) | |
| download | lwn-d4c56f97ff21df405d0cebe11f49e3c3c79662b5.tar.gz lwn-d4c56f97ff21df405d0cebe11f49e3c3c79662b5.zip | |
async_tx: replace 'int_en' with operation preparation flags
Pass a full set of flags to drivers' per-operation 'prep' routines.
Currently the only flag passed is DMA_PREP_INTERRUPT. The expectation is
that arch-specific async_tx_find_channel() implementations can exploit this
capability to find the best channel for an operation.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Acked-by: Shannon Nelson <shannon.nelson@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 | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/crypto/async_tx/async_memcpy.c b/crypto/async_tx/async_memcpy.c index faca0bc52068..25dcf33bbc2d 100644 --- a/crypto/async_tx/async_memcpy.c +++ b/crypto/async_tx/async_memcpy.c @@ -52,6 +52,7 @@ async_memcpy(struct page *dest, struct page *src, unsigned int dest_offset, if (device) { dma_addr_t dma_dest, dma_src; + unsigned long dma_prep_flags = cb_fn ? DMA_PREP_INTERRUPT : 0; dma_dest = dma_map_page(device->dev, dest, dest_offset, len, DMA_FROM_DEVICE); @@ -60,7 +61,7 @@ async_memcpy(struct page *dest, struct page *src, unsigned int dest_offset, DMA_TO_DEVICE); tx = device->device_prep_dma_memcpy(chan, dma_dest, dma_src, - len, cb_fn != NULL); + len, dma_prep_flags); } if (tx) { |