DMAENGINE: COH 901 318 remove irq counting

[cascardo/linux.git] / drivers / dma / coh901318_lli.c

diff --git a/drivers/dma/coh901318_lli.c b/drivers/dma/coh901318_lli.c
index f5120f2..5f9af19 100644 (file)
--- a/drivers/dma/coh901318_lli.c
+++ b/drivers/dma/coh901318_lli.c
@@ -166,8 +166,7 @@ coh901318_lli_fill_memcpy(struct coh901318_pool *pool,
        lli->src_addr = src;
        lli->dst_addr = dst;
 
-       /* One irq per single transfer */
-       return 1;
+       return 0;
 }
 
 int
@@ -223,8 +222,7 @@ coh901318_lli_fill_single(struct coh901318_pool *pool,
        lli->src_addr = src;
        lli->dst_addr = dst;
 
-       /* One irq per single transfer */
-       return 1;
+       return 0;
 }
 
 int
@@ -240,7 +238,6 @@ coh901318_lli_fill_sg(struct coh901318_pool *pool,
        u32 ctrl_sg;
        dma_addr_t src = 0;
        dma_addr_t dst = 0;
-       int nbr_of_irq = 0;
        u32 bytes_to_transfer;
        u32 elem_size;
 
@@ -269,9 +266,6 @@ coh901318_lli_fill_sg(struct coh901318_pool *pool,
                        ctrl_sg = ctrl ? ctrl : ctrl_last;
 
 
-               if ((ctrl_sg & ctrl_irq_mask))
-                       nbr_of_irq++;
-
                if (dir == DMA_TO_DEVICE)
                        /* increment source address */
                        src = sg_dma_address(sg);
@@ -310,8 +304,7 @@ coh901318_lli_fill_sg(struct coh901318_pool *pool,
        }
        spin_unlock(&pool->lock);
 
-       /* There can be many IRQs per sg transfer */
-       return nbr_of_irq;
+       return 0;
  err:
        spin_unlock(&pool->lock);
        return -EINVAL;