leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge branch 'fixes' of git://git.infradead.org/users/vkoul/slave-dma

Browse Source 
Pull slave-dmaengine fixes fromVinod Koul:
 "fixes of cylic dma usages in slave dma drivers"

* 'fixes' of git://git.infradead.org/users/vkoul/slave-dma:
  dmaengine: fix cyclic dma usage
  dmaengine: pl330: dont complete descriptor for cyclic dma
This commit is contained in:
Linus Torvalds 2012-05-17 09:57:13 -07:00
commit 1be5f0b757
3 changed files with 8 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/dma/at_hdmac.c
View File

@ -245,7 +245,9 @@ atc_chain_complete(struct at_dma_chan *atchan, struct at_desc *desc)
dev_vdbg(chan2dev(&atchan->chan_common),
"descriptor %u complete\n", txd->cookie);
dma_cookie_complete(txd);
/* mark the descriptor as complete for non cyclic cases only */
if (!atc_chan_is_cyclic(atchan))
dma_cookie_complete(txd);
/* move children to free_list */
list_splice_init(&desc->tx_list, &atchan->free_list);

4
drivers/dma/ep93xx_dma.c
View File

@ -703,7 +703,9 @@ static void ep93xx_dma_tasklet(unsigned long data)
desc = ep93xx_dma_get_active(edmac);
if (desc) {
if (desc->complete) {
dma_cookie_complete(&desc->txd);
/* mark descriptor complete for non cyclic case only */
if (!test_bit(EP93XX_DMA_IS_CYCLIC, &edmac->flags))
dma_cookie_complete(&desc->txd);
list_splice_init(&edmac->active, &list);
}
callback = desc->txd.callback;

3
drivers/dma/pl330.c
View File

@ -2322,7 +2322,8 @@ static void pl330_tasklet(unsigned long data)
/* Pick up ripe tomatoes */
list_for_each_entry_safe(desc, _dt, &pch->work_list, node)
if (desc->status == DONE) {
dma_cookie_complete(&desc->txd);
if (pch->cyclic)
dma_cookie_complete(&desc->txd);
list_move_tail(&desc->node, &list);
}