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authorLars-Peter Clausen <lars@metafoo.de>2014-07-06 20:32:23 +0200
committerVinod Koul <vinod.koul@intel.com>2014-07-15 22:01:03 +0530
commitd5cef121ffa6a2525107e4c58e126ea885911ff7 (patch)
tree33a8380e516a79b2a1b19336d22999abc4fcb3ff /drivers/dma/pl330.c
parentc9392d80ae0762425314fbf1d9210f68da400e12 (diff)
downloadblackbird-op-linux-d5cef121ffa6a2525107e4c58e126ea885911ff7.tar.gz
blackbird-op-linux-d5cef121ffa6a2525107e4c58e126ea885911ff7.zip
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>
Diffstat (limited to 'drivers/dma/pl330.c')
-rw-r--r--drivers/dma/pl330.c20
1 files changed, 5 insertions, 15 deletions
diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
index 6b61c578c868..80a17a84ab75 100644
--- 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;
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