aboutsummaryrefslogtreecommitdiff
path: root/drivers/dma/ioat
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/dma/ioat')
-rw-r--r--drivers/dma/ioat/dma_v2.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/dma/ioat/dma_v2.c b/drivers/dma/ioat/dma_v2.c
index 8fd0b59f190..96ffab7d37a 100644
--- a/drivers/dma/ioat/dma_v2.c
+++ b/drivers/dma/ioat/dma_v2.c
@@ -692,7 +692,8 @@ ioat2_dma_prep_memcpy_lock(struct dma_chan *c, dma_addr_t dma_dest,
/* pass */;
else
return NULL;
- for (i = 0; i < num_descs; i++) {
+ i = 0;
+ do {
size_t copy = min_t(size_t, len, 1 << ioat->xfercap_log);
desc = ioat2_get_ring_ent(ioat, idx + i);
@@ -707,7 +708,7 @@ ioat2_dma_prep_memcpy_lock(struct dma_chan *c, dma_addr_t dma_dest,
dst += copy;
src += copy;
dump_desc_dbg(ioat, desc);
- }
+ } while (++i < num_descs);
desc->txd.flags = flags;
desc->len = total_len;