DMAENGINE: COH 901 318 remove irq counting
This removes the pointless irq counting for the COH 901 318, as
it turns out the hardware will only ever fire one IRQ for a linked
list anyway. In the process also a missing spinlock was introduced.
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
diff --git a/drivers/dma/coh901318_lli.c b/drivers/dma/coh901318_lli.c
index f5120f2..5f9af19 100644
--- a/drivers/dma/coh901318_lli.c
+++ b/drivers/dma/coh901318_lli.c
@@ -166,8 +166,7 @@
lli->src_addr = src;
lli->dst_addr = dst;
- /* One irq per single transfer */
- return 1;
+ return 0;
}
int
@@ -223,8 +222,7 @@
lli->src_addr = src;
lli->dst_addr = dst;
- /* One irq per single transfer */
- return 1;
+ return 0;
}
int
@@ -240,7 +238,6 @@
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 @@
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 @@
}
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;