mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-10-05 16:37:50 +00:00
Code Issues Releases Wiki Activity

dmaengine: pl330: Remove unused next field form pl330_xfer struct

Browse source 
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>
This commit is contained in:
Lars-Peter Clausen 2014-07-06 20:32:23 +02:00 committed by Vinod Koul
parent c9392d80ae
commit d5cef121ff
1 changed files with 5 additions and 15 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

20
drivers/dma/pl330.c
View file

@ -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;
/* 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);
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;