async_tx: replace 'int_en' with operation preparation flags

[pandora-kernel.git] / include / linux / dmaengine.h

diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index b0864f5..acbb364 100644 (file)
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -94,6 +94,15 @@ enum dma_transaction_type {
 /* last transaction type for creation of the capabilities mask */
 #define DMA_TX_TYPE_END (DMA_INTERRUPT + 1)
 
+/**
+ * enum dma_prep_flags - DMA flags to augment operation preparation
+ * @DMA_PREP_INTERRUPT - trigger an interrupt (callback) upon completion of
+ *     this transaction
+ */
+enum dma_prep_flags {
+       DMA_PREP_INTERRUPT = (1 << 0),
+};
+
 /**
  * dma_cap_mask_t - capabilities bitmap modeled after cpumask_t.
  * See linux/cpumask.h
@@ -274,16 +283,16 @@ struct dma_device {
 
        struct dma_async_tx_descriptor *(*device_prep_dma_memcpy)(
                struct dma_chan *chan, dma_addr_t dest, dma_addr_t src,
-               size_t len, int int_en);
+               size_t len, unsigned long flags);
        struct dma_async_tx_descriptor *(*device_prep_dma_xor)(
                struct dma_chan *chan, dma_addr_t dest, dma_addr_t *src,
-               unsigned int src_cnt, size_t len, int int_en);
+               unsigned int src_cnt, size_t len, unsigned long flags);
        struct dma_async_tx_descriptor *(*device_prep_dma_zero_sum)(
                struct dma_chan *chan, dma_addr_t *src, unsigned int src_cnt,
-               size_t len, u32 *result, int int_en);
+               size_t len, u32 *result, unsigned long flags);
        struct dma_async_tx_descriptor *(*device_prep_dma_memset)(
                struct dma_chan *chan, dma_addr_t dest, int value, size_t len,
-               int int_en);
+               unsigned long flags);
        struct dma_async_tx_descriptor *(*device_prep_dma_interrupt)(
                struct dma_chan *chan);