dmaengine: pl330: Remove unused next field form pl330_xfer struct

The next field is always NULL, so we can remove it.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
index 6b61c578c8689df32141ca41c17eba5cb726256f..80a17a84ab75f9a92c724e7e47e86823b05cd957 100644 (file)
--- a/drivers/dma/pl330.c
+++ b/drivers/dma/pl330.c
@@ -334,11 +334,6 @@ struct pl330_xfer {
        u32 dst_addr;
        /* Size to xfer */
        u32 bytes;
-       /*
-        * Pointer to next xfer in the list.
-        * The last xfer in the req must point to NULL.
-        */
-       struct pl330_xfer *next;
 };
 
 /* The xfer callbacks are made with one of these arguments. */
@@ -1390,16 +1385,12 @@ static int _setup_req(unsigned dry_run, struct pl330_thread *thrd,
        off += _emit_MOV(dry_run, &buf[off], CCR, pxs->ccr);
 
        x = pxs->r->x;
-       do {
-               /* Error if xfer length is not aligned at burst size */
-               if (x->bytes % (BRST_SIZE(pxs->ccr) * BRST_LEN(pxs->ccr)))
-                       return -EINVAL;
-
-               pxs->x = x;
-               off += _setup_xfer(dry_run, &buf[off], pxs);
+       /* Error if xfer length is not aligned at burst size */
+       if (x->bytes % (BRST_SIZE(pxs->ccr) * BRST_LEN(pxs->ccr)))
+               return -EINVAL;
 
-               x = x->next;
-       } while (x);
+       pxs->x = x;
+       off += _setup_xfer(dry_run, &buf[off], pxs);
 
        /* DMASEV peripheral/event */
        off += _emit_SEV(dry_run, &buf[off], thrd->ev);
@@ -2531,7 +2522,6 @@ static struct dma_pl330_desc *pl330_get_desc(struct dma_pl330_chan *pch)
 static inline void fill_px(struct pl330_xfer *px,
                dma_addr_t dst, dma_addr_t src, size_t len)
 {
-       px->next = NULL;
        px->bytes = len;
        px->dst_addr = dst;
        px->src_addr = src;