Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history
yaml
---
r: 273870
b: refs/heads/master
c: fa6a940
h: refs/heads/master
v: v3
  • Loading branch information
Viresh Kumar authored and Vinod Koul committed Aug 25, 2011
1 parent bb93ac0 commit 76af4eb
Show file tree
Hide file tree
Showing 2 changed files with 7 additions and 9 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 16a2e7d359b9fc64fb8a6717c0642691b1e60bb7
refs/heads/master: fa6a940bf129c5417b602a4cdfe88b3dbd8e5898
14 changes: 6 additions & 8 deletions trunk/drivers/dma/amba-pl08x.c
Original file line number Diff line number Diff line change
Expand Up @@ -604,23 +604,17 @@ static int pl08x_fill_llis_for_desc(struct pl08x_driver_data *pl08x,
bd.srcbus.buswidth = bd.srcbus.maxwidth;
bd.dstbus.buswidth = bd.dstbus.maxwidth;

/*
* Bytes transferred == tsize * MIN(buswidths), not max(buswidths)
*/
max_bytes_per_lli = min(bd.srcbus.buswidth, bd.dstbus.buswidth) *
PL080_CONTROL_TRANSFER_SIZE_MASK;

/* We need to count this down to zero */
bd.remainder = txd->len;

pl08x_choose_master_bus(&bd, &mbus, &sbus, cctl);

dev_vdbg(&pl08x->adev->dev, "src=0x%08x%s/%u dst=0x%08x%s/%u len=%zu llimax=%zu\n",
dev_vdbg(&pl08x->adev->dev, "src=0x%08x%s/%u dst=0x%08x%s/%u len=%zu\n",
bd.srcbus.addr, cctl & PL080_CONTROL_SRC_INCR ? "+" : "",
bd.srcbus.buswidth,
bd.dstbus.addr, cctl & PL080_CONTROL_DST_INCR ? "+" : "",
bd.dstbus.buswidth,
bd.remainder, max_bytes_per_lli);
bd.remainder);
dev_vdbg(&pl08x->adev->dev, "mbus=%s sbus=%s\n",
mbus == &bd.srcbus ? "src" : "dst",
sbus == &bd.srcbus ? "src" : "dst");
Expand Down Expand Up @@ -660,6 +654,10 @@ static int pl08x_fill_llis_for_desc(struct pl08x_driver_data *pl08x,
sbus->buswidth = 1;
}

/* Bytes transferred = tsize * src width, not MIN(buswidths) */
max_bytes_per_lli = bd.srcbus.buswidth *
PL080_CONTROL_TRANSFER_SIZE_MASK;

/*
* Make largest possible LLIs until less than one bus
* width left
Expand Down

0 comments on commit 76af4eb

Please sign in to comment.