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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 | |
| parent | 0036731c88fdb5bf4f04a796a30b5e445fc57f54 (diff) | |
| download | kernel_samsung_espresso10-d4c56f97ff21df405d0cebe11f49e3c3c79662b5.zip kernel_samsung_espresso10-d4c56f97ff21df405d0cebe11f49e3c3c79662b5.tar.gz kernel_samsung_espresso10-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')
| -rw-r--r-- | crypto/async_tx/async_memcpy.c | 3 | ||||
| -rw-r--r-- | crypto/async_tx/async_memset.c | 3 | ||||
| -rw-r--r-- | crypto/async_tx/async_xor.c | 10 |
3 files changed, 10 insertions, 6 deletions
diff --git a/crypto/async_tx/async_memcpy.c b/crypto/async_tx/async_memcpy.c index faca0bc..25dcf33 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) { diff --git a/crypto/async_tx/async_memset.c b/crypto/async_tx/async_memset.c index 0c94851..8e98ab0 100644 --- a/crypto/async_tx/async_memset.c +++ b/crypto/async_tx/async_memset.c @@ -52,12 +52,13 @@ async_memset(struct page *dest, int val, unsigned int offset, if (device) { dma_addr_t dma_dest; + unsigned long dma_prep_flags = cb_fn ? DMA_PREP_INTERRUPT : 0; dma_dest = dma_map_page(device->dev, dest, offset, len, DMA_FROM_DEVICE); tx = device->device_prep_dma_memset(chan, dma_dest, val, len, - cb_fn != NULL); + dma_prep_flags); } if (tx) { diff --git a/crypto/async_tx/async_xor.c b/crypto/async_tx/async_xor.c index 12cba1a..68d2fe4 100644 --- a/crypto/async_tx/async_xor.c +++ b/crypto/async_tx/async_xor.c @@ -45,6 +45,7 @@ do_async_xor(struct dma_device *device, dma_addr_t *dma_src = (dma_addr_t *) src_list; struct dma_async_tx_descriptor *tx; int i; + unsigned long dma_prep_flags = cb_fn ? DMA_PREP_INTERRUPT : 0; pr_debug("%s: len: %zu\n", __FUNCTION__, len); @@ -60,7 +61,7 @@ do_async_xor(struct dma_device *device, * in case they can not provide a descriptor */ tx = device->device_prep_dma_xor(chan, dma_dest, dma_src, src_cnt, len, - cb_fn != NULL); + dma_prep_flags); if (!tx) { if (depend_tx) dma_wait_for_async_tx(depend_tx); @@ -68,7 +69,7 @@ do_async_xor(struct dma_device *device, while (!tx) tx = device->device_prep_dma_xor(chan, dma_dest, dma_src, src_cnt, len, - cb_fn != NULL); + dma_prep_flags); } async_tx_submit(chan, tx, flags, depend_tx, cb_fn, cb_param); @@ -268,6 +269,7 @@ async_xor_zero_sum(struct page *dest, struct page **src_list, if (device) { dma_addr_t *dma_src = (dma_addr_t *) src_list; + unsigned long dma_prep_flags = cb_fn ? DMA_PREP_INTERRUPT : 0; int i; pr_debug("%s: (async) len: %zu\n", __FUNCTION__, len); @@ -278,7 +280,7 @@ async_xor_zero_sum(struct page *dest, struct page **src_list, tx = device->device_prep_dma_zero_sum(chan, dma_src, src_cnt, len, result, - cb_fn != NULL); + dma_prep_flags); if (!tx) { if (depend_tx) dma_wait_for_async_tx(depend_tx); @@ -286,7 +288,7 @@ async_xor_zero_sum(struct page *dest, struct page **src_list, while (!tx) tx = device->device_prep_dma_zero_sum(chan, dma_src, src_cnt, len, result, - cb_fn != NULL); + dma_prep_flags); } async_tx_submit(chan, tx, flags, depend_tx, cb_fn, cb_param); |