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>
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 @@
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) {