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authorLinus Torvalds <torvalds@linux-foundation.org>2012-05-25 09:31:59 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-05-25 09:31:59 -0700
commitd5adf235adc8d8d67c10afd43922c92753f6be3c (patch)
tree18c3cdcbc9a50a8cd00b03d83ec76bad7c7594f8 /include
parentd484864dd96e1830e7689510597707c1df8cd681 (diff)
parent1dd1ea8eb46a71201943148cc0ed3182cd04e288 (diff)
Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dma
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
Diffstat (limited to 'include')
-rw-r--r--include/linux/amba/pl08x.h3
-rw-r--r--include/linux/dmaengine.h6
2 files changed, 7 insertions, 2 deletions
diff --git a/include/linux/amba/pl08x.h b/include/linux/amba/pl08x.h
index e64ce2cfee99..02549017212a 100644
--- a/include/linux/amba/pl08x.h
+++ b/include/linux/amba/pl08x.h
@@ -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;
};
/**
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index f9a2e5e67a54..d3fec584e8c3 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -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);