openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

dmaengine: PL08x: get rid of device_fc in struct pl08x_dma_chan 

As we now store the dma_slave_config in pl08x_dma_chan, we don't need
to store this separately.  Use the one in dma_slave_config directly.

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2012-05-16 11:05:09 +01:00
parent ed91c13d29
commit 95442b2234
1 changed files with 1 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/dma/amba-pl08x.c
View File

@ -226,9 +226,6 @@ enum pl08x_dma_chan_state {
* @host: a pointer to the host (internal use)
* @state: whether the channel is idle, paused, running etc
* @slave: whether this channel is a device (slave) or for memcpy
* @device_fc: Flow Controller Settings for ccfg register. Only valid for slave
* channels. Fill with 'true' if peripheral should be flow controller. Direction
* will be selected at Runtime.
* @waiting: a TX descriptor on this channel which is waiting for a physical
* channel to become available
*/
@ -249,7 +246,6 @@ struct pl08x_dma_chan {
struct pl08x_driver_data *host;
enum pl08x_dma_chan_state state;
bool slave;
bool device_fc;
struct pl08x_txd *waiting;
};
@ -1261,8 +1257,6 @@ static int dma_set_runtime_config(struct dma_chan *chan,
cctl |= burst << PL080_CONTROL_SB_SIZE_SHIFT;
cctl |= burst << PL080_CONTROL_DB_SIZE_SHIFT;
plchan->device_fc = config->device_fc;
if (plchan->runtime_direction == DMA_DEV_TO_MEM) {
plchan->src_cctl = pl08x_cctl(cctl) | PL080_CONTROL_DST_INCR |
pl08x_select_bus(plchan->cd->periph_buses,
@ -1492,7 +1486,7 @@ static struct dma_async_tx_descriptor *pl08x_prep_slave_sg(
return NULL;
}
if (plchan->device_fc)
if (plchan->cfg.device_fc)
tmp = (direction == DMA_MEM_TO_DEV) ? PL080_FLOW_MEM2PER_PER :
PL080_FLOW_PER2MEM_PER;
else