[PATCH 41/48] ARM: PL08x: store prep_* flags in async_tx structure
Russell King - ARM Linux
linux at arm.linux.org.uk
Mon Jan 3 17:43:56 EST 2011
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 at arm.linux.org.uk>
---
drivers/dma/amba-pl08x.c | 8 +++++---
1 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c
index 8d8d33c..00058e3 100644
--- a/drivers/dma/amba-pl08x.c
+++ b/drivers/dma/amba-pl08x.c
@@ -1277,12 +1277,14 @@ static u32 pl08x_select_bus(struct pl08x_driver_data *pl08x, u8 src, u8 dst)
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);
if (txd) {
dma_async_tx_descriptor_init(&txd->tx, &plchan->chan);
+ txd->tx.flags = flags;
txd->tx.tx_submit = pl08x_tx_submit;
INIT_LIST_HEAD(&txd->node);
@@ -1305,7 +1307,7 @@ static struct dma_async_tx_descriptor *pl08x_prep_dma_memcpy(
struct pl08x_txd *txd;
int ret;
- txd = pl08x_get_txd(plchan);
+ txd = pl08x_get_txd(plchan, flags);
if (!txd) {
dev_err(&pl08x->adev->dev,
"%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",
__func__, sgl->length, plchan->name);
- txd = pl08x_get_txd(plchan);
+ txd = pl08x_get_txd(plchan, flags);
if (!txd) {
dev_err(&pl08x->adev->dev, "%s no txd\n", __func__);
return NULL;
--
1.6.2.5
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