dmaengine: Remove the context argument to the prep_dma_cyclic operation

[mirror_ubuntu-artful-kernel.git] / include / linux / dmaengine.h

diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 72cb0ddb9678d21eb2f2edd20a36b594b72160d9..94ddccd706fcfa5c9d34afd59f3ba7f59c825928 100644 (file)
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -37,7 +37,6 @@
  */
 typedef s32 dma_cookie_t;
 #define DMA_MIN_COOKIE 1
-#define DMA_MAX_COOKIE INT_MAX
 
 static inline int dma_submit_error(dma_cookie_t cookie)
 {
@@ -292,7 +291,7 @@ struct dma_chan_dev {
 };
 
 /**
- * enum dma_slave_buswidth - defines bus with of the DMA slave
+ * enum dma_slave_buswidth - defines bus width of the DMA slave
  * device, source or target buses
  */
 enum dma_slave_buswidth {
@@ -670,7 +669,7 @@ struct dma_device {
        struct dma_async_tx_descriptor *(*device_prep_dma_cyclic)(
                struct dma_chan *chan, dma_addr_t buf_addr, size_t buf_len,
                size_t period_len, enum dma_transfer_direction direction,
-               unsigned long flags, void *context);
+               unsigned long flags);
        struct dma_async_tx_descriptor *(*device_prep_interleaved_dma)(
                struct dma_chan *chan, struct dma_interleaved_template *xt,
                unsigned long flags);
@@ -745,7 +744,7 @@ static inline struct dma_async_tx_descriptor *dmaengine_prep_dma_cyclic(
                unsigned long flags)
 {
        return chan->device->device_prep_dma_cyclic(chan, buf_addr, buf_len,
-                                               period_len, dir, flags, NULL);
+                                               period_len, dir, flags);
 }
 
 static inline struct dma_async_tx_descriptor *dmaengine_prep_interleaved_dma(