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authorDan Williams <dan.j.williams@intel.com>2008-02-02 19:49:58 -0700
committerDan Williams <dan.j.williams@intel.com>2008-02-06 10:12:18 -0700
commitd4c56f97ff21df405d0cebe11f49e3c3c79662b5 (patch)
treee6b0de433d7c985982ac12815998242a786d87b2 /crypto/async_tx/async_memcpy.c
parent0036731c88fdb5bf4f04a796a30b5e445fc57f54 (diff)
downloadlinux-d4c56f97ff21df405d0cebe11f49e3c3c79662b5.tar.bz2
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.c3
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) {