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ARM: PL08x: consolidate physical channel release code 

Consolidate duplicated channel release code into release_phy_channel()

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 22:36:09 +00:00 committed by Dan Williams
parent ac3cd20df9
commit 8c8cc2b104
1 changed files with 14 additions and 14 deletions
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28
drivers/dma/amba-pl08x.c
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@ -1058,6 +1058,18 @@ static int prep_phy_channel(struct pl08x_dma_chan *plchan,
return 0; 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) static dma_cookie_t pl08x_tx_submit(struct dma_async_tx_descriptor *tx)
{ {
struct pl08x_dma_chan *plchan = to_pl08x_chan(tx->chan); 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 * Mark physical channel as free and free any slave
* signal * signal
*/ */
if ((plchan->phychan->signal >= 0) && release_phy_channel(plchan);
pl08x->pd->put_signal) {
pl08x->pd->put_signal(plchan);
plchan->phychan->signal = -1;
}
pl08x_put_phy_channel(pl08x, plchan->phychan);
plchan->phychan = NULL;
} }
/* Dequeue jobs and free LLIs */ /* Dequeue jobs and free LLIs */
if (plchan->at) { if (plchan->at) {
@ -1590,7 +1596,6 @@ static void pl08x_ensure_on(struct pl08x_driver_data *pl08x)
static void pl08x_tasklet(unsigned long data) static void pl08x_tasklet(unsigned long data)
{ {
struct pl08x_dma_chan *plchan = (struct pl08x_dma_chan *) 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; struct pl08x_driver_data *pl08x = plchan->host;
unsigned long flags; unsigned long flags;
@ -1642,12 +1647,7 @@ static void pl08x_tasklet(unsigned long data)
* No more jobs, so free up the physical channel * No more jobs, so free up the physical channel
* Free any allocated signal on slave transfers too * Free any allocated signal on slave transfers too
*/ */
if ((phychan->signal >= 0) && pl08x->pd->put_signal) { release_phy_channel(plchan);
pl08x->pd->put_signal(plchan);
phychan->signal = -1;
}
pl08x_put_phy_channel(pl08x, phychan);
plchan->phychan = NULL;
plchan->state = PL08X_CHAN_IDLE; plchan->state = PL08X_CHAN_IDLE;
/* /*