Instead of open coded variant let's use recently introduced helper.
Signed-off-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
---
drivers/dma/coh901318.c | 21 ++-------------------
1 file changed, 2 insertions(+), 19 deletions(-)
diff --git a/drivers/dma/coh901318.c b/drivers/dma/coh901318.c
index 74794c9..d64b850 100644
--- a/drivers/dma/coh901318.c
+++ b/drivers/dma/coh901318.c
@@ -2279,10 +2279,7 @@ coh901318_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
struct coh901318_lli *lli;
struct coh901318_desc *cohd;
const struct coh901318_params *params;
- struct scatterlist *sg;
- int len = 0;
- int size;
- int i;
+ int len;
u32 ctrl_chained = cohc_chan_param(cohc)->ctrl_lli_chained;
u32 ctrl = cohc_chan_param(cohc)->ctrl_lli;
u32 ctrl_last = cohc_chan_param(cohc)->ctrl_lli_last;
@@ -2338,21 +2335,7 @@ coh901318_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
* MAX_DMA_PACKET_SIZE. Calculate to total number of
* dma elemts required to send the entire sg list
*/
- for_each_sg(sgl, sg, sg_len, i) {
- unsigned int factor;
- size = sg_dma_len(sg);
-
- if (size <= MAX_DMA_PACKET_SIZE) {
- len++;
- continue;
- }
-
- factor = size >> MAX_DMA_PACKET_SIZE_SHIFT;
- if ((factor << MAX_DMA_PACKET_SIZE_SHIFT) < size)
- factor++;
-
- len += factor;
- }
+ len = sg_nents_for_dma(sgl, sg_len, MAX_DMA_PACKET_SIZE);
pr_debug("Allocate %d lli:s for this transfer\n", len);
lli = coh901318_lli_alloc(&cohc->base->pool, len);
--
2.9.3
--
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