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Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dma

Browse source 
Pull slave-dmaengine updates from Vinod Koul:
 "Nothing exciting this time, odd fixes in a bunch of drivers"

* 'next' of git://git.infradead.org/users/vkoul/slave-dma:
  dmaengine: at_hdmac: take maxburst from slave configuration
  dmaengine: at_hdmac: remove ATC_DEFAULT_CTRLA constant
  dmaengine: at_hdmac: remove some at_dma_slave comments
  dma: imx-sdma: make channel0 operations atomic
  dmaengine: Fixup dmaengine_prep_slave_single() to be actually useful
  dmaengine: Use dma_sg_len(sg) instead of sg->length
  dmaengine: Use sg_dma_address instead of sg_phys
  DMA: PL330: Remove duplicate header file inclusion
  dma: imx-sdma: keep the callbacks invoked in the tasklet
  dmaengine: dw_dma: add Device Tree probing capability
  dmaengine: dw_dmac: Add clk_{un}prepare() support
  dma/amba-pl08x: add support for the Nomadik variant
  dma/amba-pl08x: check for terminal count status only
This commit is contained in:
Linus Torvalds 2012-05-25 09:31:59 -07:00
commit d5adf235ad
19 changed files with 169 additions and 105 deletions
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3
include/linux/amba/pl08x.h
View file

@ -92,6 +92,8 @@ struct pl08x_bus_data {
* right now
* @serving: the virtual channel currently being served by this physical
* channel
* @locked: channel unavailable for the system, e.g. dedicated to secure
* world
*/
struct pl08x_phy_chan {
unsigned int id;
@ -99,6 +101,7 @@ struct pl08x_phy_chan {
spinlock_t lock;
int signal;
struct pl08x_dma_chan *serving;
bool locked;
};
/**

6
include/linux/dmaengine.h
View file

@ -615,11 +615,13 @@ static inline int dmaengine_slave_config(struct dma_chan *chan,
}
static inline struct dma_async_tx_descriptor *dmaengine_prep_slave_single(
struct dma_chan *chan, void *buf, size_t len,
struct dma_chan *chan, dma_addr_t buf, size_t len,
enum dma_transfer_direction dir, unsigned long flags)
{
struct scatterlist sg;
sg_init_one(&sg, buf, len);
sg_init_table(&sg, 1);
sg_dma_address(&sg) = buf;
sg_dma_len(&sg) = len;
return chan->device->device_prep_slave_sg(chan, &sg, 1,
dir, flags, NULL);