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ARM: PL08x: store prep_* flags in async_tx structure

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Like other DMA engine drivers do, store the passed flags into the
async_tx structure, so they can be checked when the operation
completes.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Russell King - ARM Linux 2011-01-03 22:43:56 +00:00 committed by Dan Williams
parent d7244e9a27
commit c04287948e
1 changed files with 5 additions and 3 deletions
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8
drivers/dma/amba-pl08x.c
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@ -1277,12 +1277,14 @@ static u32 pl08x_select_bus(struct pl08x_driver_data *pl08x, u8 src, u8 dst)
return cctl; return cctl;
} }
static struct pl08x_txd *pl08x_get_txd(struct pl08x_dma_chan *plchan) static struct pl08x_txd *pl08x_get_txd(struct pl08x_dma_chan *plchan,
unsigned long flags)
{ {
struct pl08x_txd *txd = kzalloc(sizeof(struct pl08x_txd), GFP_NOWAIT); struct pl08x_txd *txd = kzalloc(sizeof(struct pl08x_txd), GFP_NOWAIT);
if (txd) { if (txd) {
dma_async_tx_descriptor_init(&txd->tx, &plchan->chan); dma_async_tx_descriptor_init(&txd->tx, &plchan->chan);
txd->tx.flags = flags;
txd->tx.tx_submit = pl08x_tx_submit; txd->tx.tx_submit = pl08x_tx_submit;
INIT_LIST_HEAD(&txd->node); INIT_LIST_HEAD(&txd->node);
@ -1305,7 +1307,7 @@ static struct dma_async_tx_descriptor *pl08x_prep_dma_memcpy(
struct pl08x_txd *txd; struct pl08x_txd *txd;
int ret; int ret;
txd = pl08x_get_txd(plchan); txd = pl08x_get_txd(plchan, flags);
if (!txd) { if (!txd) {
dev_err(&pl08x->adev->dev, dev_err(&pl08x->adev->dev,
"%s no memory for descriptor\n", __func__); "%s no memory for descriptor\n", __func__);
@ -1363,7 +1365,7 @@ static struct dma_async_tx_descriptor *pl08x_prep_slave_sg(
dev_dbg(&pl08x->adev->dev, "%s prepare transaction of %d bytes from %s\n", dev_dbg(&pl08x->adev->dev, "%s prepare transaction of %d bytes from %s\n",
__func__, sgl->length, plchan->name); __func__, sgl->length, plchan->name);
txd = pl08x_get_txd(plchan); txd = pl08x_get_txd(plchan, flags);
if (!txd) { if (!txd) {
dev_err(&pl08x->adev->dev, "%s no txd\n", __func__); dev_err(&pl08x->adev->dev, "%s no txd\n", __func__);
return NULL; return NULL;