Commit ec8b5e48 authored by Peter Ujfalusi's avatar Peter Ujfalusi Committed by Mark Brown

dmaengine: Pass flags via device_prep_dma_cyclic() callback

Change the parameter list of device_prep_dma_cyclic() so the DMA drivers
can receive the flags coming from clients.
This feature can be used during audio operation to disable all audio
related interrupts when the DMA_PREP_INTERRUPT is cleared from the flags.
Signed-off-by: default avatarPeter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: default avatarNicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: default avatarShawn Guo <shawn.guo@linaro.org>
Acked-by: default avatarVinod Koul <vinod.koul@linux.intel.com>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 2dcdf570
......@@ -841,12 +841,13 @@ atc_dma_cyclic_fill_desc(struct dma_chan *chan, struct at_desc *desc,
* @buf_len: total number of bytes for the entire buffer
* @period_len: number of bytes for each period
* @direction: transfer direction, to or from device
* @flags: tx descriptor status flags
* @context: transfer context (ignored)
*/
static struct dma_async_tx_descriptor *
atc_prep_dma_cyclic(struct dma_chan *chan, dma_addr_t buf_addr, size_t buf_len,
size_t period_len, enum dma_transfer_direction direction,
void *context)
unsigned long flags, void *context)
{
struct at_dma_chan *atchan = to_at_dma_chan(chan);
struct at_dma_slave *atslave = chan->private;
......
......@@ -1120,6 +1120,7 @@ ep93xx_dma_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
* @buf_len: length of the buffer (in bytes)
* @period_len: lenght of a single period
* @dir: direction of the operation
* @flags: tx descriptor status flags
* @context: operation context (ignored)
*
* Prepares a descriptor for cyclic DMA operation. This means that once the
......@@ -1133,7 +1134,8 @@ ep93xx_dma_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
static struct dma_async_tx_descriptor *
ep93xx_dma_prep_dma_cyclic(struct dma_chan *chan, dma_addr_t dma_addr,
size_t buf_len, size_t period_len,
enum dma_transfer_direction dir, void *context)
enum dma_transfer_direction dir, unsigned long flags,
void *context)
{
struct ep93xx_dma_chan *edmac = to_ep93xx_dma_chan(chan);
struct ep93xx_dma_desc *desc, *first;
......
......@@ -801,7 +801,7 @@ static struct dma_async_tx_descriptor *imxdma_prep_slave_sg(
static struct dma_async_tx_descriptor *imxdma_prep_dma_cyclic(
struct dma_chan *chan, dma_addr_t dma_addr, size_t buf_len,
size_t period_len, enum dma_transfer_direction direction,
void *context)
unsigned long flags, void *context)
{
struct imxdma_channel *imxdmac = to_imxdma_chan(chan);
struct imxdma_engine *imxdma = imxdmac->imxdma;
......
......@@ -1012,7 +1012,7 @@ static struct dma_async_tx_descriptor *sdma_prep_slave_sg(
static struct dma_async_tx_descriptor *sdma_prep_dma_cyclic(
struct dma_chan *chan, dma_addr_t dma_addr, size_t buf_len,
size_t period_len, enum dma_transfer_direction direction,
void *context)
unsigned long flags, void *context)
{
struct sdma_channel *sdmac = to_sdma_chan(chan);
struct sdma_engine *sdma = sdmac->sdma;
......
......@@ -358,7 +358,7 @@ struct mmp_tdma_desc *mmp_tdma_alloc_descriptor(struct mmp_tdma_chan *tdmac)
static struct dma_async_tx_descriptor *mmp_tdma_prep_dma_cyclic(
struct dma_chan *chan, dma_addr_t dma_addr, size_t buf_len,
size_t period_len, enum dma_transfer_direction direction,
void *context)
unsigned long flags, void *context)
{
struct mmp_tdma_chan *tdmac = to_mmp_tdma_chan(chan);
struct mmp_tdma_desc *desc;
......
......@@ -531,7 +531,7 @@ static struct dma_async_tx_descriptor *mxs_dma_prep_slave_sg(
static struct dma_async_tx_descriptor *mxs_dma_prep_dma_cyclic(
struct dma_chan *chan, dma_addr_t dma_addr, size_t buf_len,
size_t period_len, enum dma_transfer_direction direction,
void *context)
unsigned long flags, void *context)
{
struct mxs_dma_chan *mxs_chan = to_mxs_dma_chan(chan);
struct mxs_dma_engine *mxs_dma = mxs_chan->mxs_dma;
......
......@@ -366,7 +366,8 @@ static struct dma_async_tx_descriptor *omap_dma_prep_slave_sg(
static struct dma_async_tx_descriptor *omap_dma_prep_dma_cyclic(
struct dma_chan *chan, dma_addr_t buf_addr, size_t buf_len,
size_t period_len, enum dma_transfer_direction dir, void *context)
size_t period_len, enum dma_transfer_direction dir, unsigned long flags,
void *context)
{
struct omap_chan *c = to_omap_dma_chan(chan);
enum dma_slave_buswidth dev_width;
......
......@@ -2683,7 +2683,7 @@ static inline int get_burst_len(struct dma_pl330_desc *desc, size_t len)
static struct dma_async_tx_descriptor *pl330_prep_dma_cyclic(
struct dma_chan *chan, dma_addr_t dma_addr, size_t len,
size_t period_len, enum dma_transfer_direction direction,
void *context)
unsigned long flags, void *context)
{
struct dma_pl330_desc *desc;
struct dma_pl330_chan *pch = to_pchan(chan);
......
......@@ -614,7 +614,7 @@ static struct dma_async_tx_descriptor *sa11x0_dma_prep_slave_sg(
static struct dma_async_tx_descriptor *sa11x0_dma_prep_dma_cyclic(
struct dma_chan *chan, dma_addr_t addr, size_t size, size_t period,
enum dma_transfer_direction dir, void *context)
enum dma_transfer_direction dir, unsigned long flags, void *context)
{
struct sa11x0_dma_chan *c = to_sa11x0_dma_chan(chan);
struct sa11x0_dma_desc *txd;
......
......@@ -489,7 +489,7 @@ static struct dma_async_tx_descriptor *sirfsoc_dma_prep_interleaved(
static struct dma_async_tx_descriptor *
sirfsoc_dma_prep_cyclic(struct dma_chan *chan, dma_addr_t addr,
size_t buf_len, size_t period_len,
enum dma_transfer_direction direction, void *context)
enum dma_transfer_direction direction, unsigned long flags, void *context)
{
struct sirfsoc_dma_chan *schan = dma_chan_to_sirfsoc_dma_chan(chan);
struct sirfsoc_dma_desc *sdesc = NULL;
......
......@@ -2347,7 +2347,8 @@ static struct dma_async_tx_descriptor *d40_prep_slave_sg(struct dma_chan *chan,
static struct dma_async_tx_descriptor *
dma40_prep_dma_cyclic(struct dma_chan *chan, dma_addr_t dma_addr,
size_t buf_len, size_t period_len,
enum dma_transfer_direction direction, void *context)
enum dma_transfer_direction direction, unsigned long flags,
void *context)
{
unsigned int periods = buf_len / period_len;
struct dma_async_tx_descriptor *txd;
......
......@@ -990,7 +990,7 @@ static struct dma_async_tx_descriptor *tegra_dma_prep_slave_sg(
struct dma_async_tx_descriptor *tegra_dma_prep_dma_cyclic(
struct dma_chan *dc, dma_addr_t buf_addr, size_t buf_len,
size_t period_len, enum dma_transfer_direction direction,
void *context)
unsigned long flags, void *context)
{
struct tegra_dma_channel *tdc = to_tegra_dma_chan(dc);
struct tegra_dma_desc *dma_desc = NULL;
......
......@@ -591,7 +591,7 @@ struct dma_device {
struct dma_async_tx_descriptor *(*device_prep_dma_cyclic)(
struct dma_chan *chan, dma_addr_t buf_addr, size_t buf_len,
size_t period_len, enum dma_transfer_direction direction,
void *context);
unsigned long flags, void *context);
struct dma_async_tx_descriptor *(*device_prep_interleaved_dma)(
struct dma_chan *chan, struct dma_interleaved_template *xt,
unsigned long flags);
......@@ -656,7 +656,7 @@ static inline struct dma_async_tx_descriptor *dmaengine_prep_dma_cyclic(
size_t period_len, enum dma_transfer_direction dir)
{
return chan->device->device_prep_dma_cyclic(chan, buf_addr, buf_len,
period_len, dir, NULL);
period_len, dir, flags, NULL);
}
static inline int dmaengine_terminate_all(struct dma_chan *chan)
......
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