[PATCH 18/48] ARM: PL08x: consolidate physical channel release code
Russell King - ARM Linux
linux at arm.linux.org.uk
Mon Jan 3 17:36:09 EST 2011
Consolidate duplicated channel release code into release_phy_channel()
Signed-off-by: Russell King <rmk+kernel at arm.linux.org.uk>
---
drivers/dma/amba-pl08x.c | 28 ++++++++++++++--------------
1 files changed, 14 insertions(+), 14 deletions(-)
diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c
index d47255e..e8967ff 100644
--- a/drivers/dma/amba-pl08x.c
+++ b/drivers/dma/amba-pl08x.c
@@ -1058,6 +1058,18 @@ static int prep_phy_channel(struct pl08x_dma_chan *plchan,
return 0;
}
+static void release_phy_channel(struct pl08x_dma_chan *plchan)
+{
+ struct pl08x_driver_data *pl08x = plchan->host;
+
+ if ((plchan->phychan->signal >= 0) && pl08x->pd->put_signal) {
+ pl08x->pd->put_signal(plchan);
+ plchan->phychan->signal = -1;
+ }
+ pl08x_put_phy_channel(pl08x, plchan->phychan);
+ plchan->phychan = NULL;
+}
+
static dma_cookie_t pl08x_tx_submit(struct dma_async_tx_descriptor *tx)
{
struct pl08x_dma_chan *plchan = to_pl08x_chan(tx->chan);
@@ -1522,13 +1534,7 @@ static int pl08x_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd,
* Mark physical channel as free and free any slave
* signal
*/
- if ((plchan->phychan->signal >= 0) &&
- pl08x->pd->put_signal) {
- pl08x->pd->put_signal(plchan);
- plchan->phychan->signal = -1;
- }
- pl08x_put_phy_channel(pl08x, plchan->phychan);
- plchan->phychan = NULL;
+ release_phy_channel(plchan);
}
/* Dequeue jobs and free LLIs */
if (plchan->at) {
@@ -1590,7 +1596,6 @@ static void pl08x_ensure_on(struct pl08x_driver_data *pl08x)
static void pl08x_tasklet(unsigned long data)
{
struct pl08x_dma_chan *plchan = (struct pl08x_dma_chan *) data;
- struct pl08x_phy_chan *phychan = plchan->phychan;
struct pl08x_driver_data *pl08x = plchan->host;
unsigned long flags;
@@ -1642,12 +1647,7 @@ static void pl08x_tasklet(unsigned long data)
* No more jobs, so free up the physical channel
* Free any allocated signal on slave transfers too
*/
- if ((phychan->signal >= 0) && pl08x->pd->put_signal) {
- pl08x->pd->put_signal(plchan);
- phychan->signal = -1;
- }
- pl08x_put_phy_channel(pl08x, phychan);
- plchan->phychan = NULL;
+ release_phy_channel(plchan);
plchan->state = PL08X_CHAN_IDLE;
/*
--
1.6.2.5
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