From d5cef121ffa6a2525107e4c58e126ea885911ff7 Mon Sep 17 00:00:00 2001 From: Lars-Peter Clausen Date: Sun, 6 Jul 2014 20:32:23 +0200 Subject: 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 Signed-off-by: Vinod Koul --- drivers/dma/pl330.c | 20 +++++--------------- 1 file changed, 5 insertions(+), 15 deletions(-) (limited to 'drivers/dma/pl330.c') 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; -- cgit v1.2.3