mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-08-22 17:01:14 +00:00
Code Issues Releases Wiki Activity

Merge branch 'dmaengine-shawn' into dmaengine

Browse source
This commit is contained in:
Sascha Hauer 2011-01-31 12:42:51 +01:00
commit 60f1df5dc6
1 changed files with 6 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
drivers/dma/imx-sdma.c
View file

@ -450,7 +450,7 @@ static void sdma_handle_channel_loop(struct sdma_channel *sdmac)
if (bd->mode.status & BD_RROR)
sdmac->status = DMA_ERROR;
else
sdmac->status = DMA_SUCCESS;
sdmac->status = DMA_IN_PROGRESS;
bd->mode.status |= BD_DONE;
sdmac->buf_tail++;
@ -942,15 +942,12 @@ static struct dma_async_tx_descriptor *sdma_prep_slave_sg(
param = BD_DONE | BD_EXTD | BD_CONT;
if (sdmac->flags & IMX_DMA_SG_LOOP) {
if (i + 1 == sg_len) {
param |= BD_INTR;
if (i + 1 == sg_len)
param |= BD_WRAP;
param |= BD_LAST;
param &= ~BD_CONT;
}
if (i + 1 == sg_len)
param |= BD_INTR;
dev_dbg(sdma->dev, "entry %d: count: %d dma: 0x%08x %s%s\n",
i, count, sg->dma_address,
param & BD_WRAP ? "wrap" : "",
@ -964,6 +961,7 @@ static struct dma_async_tx_descriptor *sdma_prep_slave_sg(
return &sdmac->desc;
err_out:
sdmac->status = DMA_ERROR;
return NULL;
}
@ -1077,14 +1075,12 @@ static enum dma_status sdma_tx_status(struct dma_chan *chan,
{
struct sdma_channel *sdmac = to_sdma_chan(chan);
dma_cookie_t last_used;
enum dma_status ret;
last_used = chan->cookie;
ret = dma_async_is_complete(cookie, sdmac->last_completed, last_used);
dma_set_tx_state(txstate, sdmac->last_completed, last_used, 0);
return ret;
return sdmac->status;
}
static void sdma_issue_pending(struct dma_chan *chan)