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| author | Lars-Peter Clausen <lars@metafoo.de> | 2014-07-06 20:32:23 +0200 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2014-07-15 22:01:03 +0530 |
| commit | d5cef121ffa6a2525107e4c58e126ea885911ff7 (patch) | |
| tree | 33a8380e516a79b2a1b19336d22999abc4fcb3ff /drivers/dma/pl330.c | |
| parent | c9392d80ae0762425314fbf1d9210f68da400e12 (diff) | |
| download | linux-d5cef121ffa6a2525107e4c58e126ea885911ff7.tar.gz linux-d5cef121ffa6a2525107e4c58e126ea885911ff7.tar.bz2 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.c | 20 |
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; |