diff options
author | John W. Linville <linville@tuxdriver.com> | 2011-11-22 14:05:46 -0500 |
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committer | John W. Linville <linville@tuxdriver.com> | 2011-11-22 14:05:46 -0500 |
commit | 515db09338704a6ad7d27b5f1e33820d3052edd2 (patch) | |
tree | 74f915531710303397d34069b325c2be7a5ac93c /include/linux/dmaengine.h | |
parent | 30be52e44fd4276d768efffb55d424fb682e6505 (diff) | |
parent | cfcfc9eca2bcbd26a8e206baeb005b055dbf8e37 (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
Conflicts:
drivers/net/wireless/iwlegacy/iwl-debugfs.c
drivers/net/wireless/iwlegacy/iwl-rx.c
drivers/net/wireless/iwlegacy/iwl-scan.c
drivers/net/wireless/iwlegacy/iwl-tx.c
include/net/bluetooth/bluetooth.h
Diffstat (limited to 'include/linux/dmaengine.h')
-rw-r--r-- | include/linux/dmaengine.h | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index 8fbf40e0713c..75f53f874b24 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -24,8 +24,9 @@ #include <linux/device.h> #include <linux/uio.h> #include <linux/dma-direction.h> - -struct scatterlist; +#include <linux/scatterlist.h> +#include <linux/bitmap.h> +#include <asm/page.h> /** * typedef dma_cookie_t - an opaque DMA cookie @@ -519,6 +520,16 @@ static inline int dmaengine_slave_config(struct dma_chan *chan, (unsigned long)config); } +static inline struct dma_async_tx_descriptor *dmaengine_prep_slave_single( + struct dma_chan *chan, void *buf, size_t len, + enum dma_data_direction dir, unsigned long flags) +{ + struct scatterlist sg; + sg_init_one(&sg, buf, len); + + return chan->device->device_prep_slave_sg(chan, &sg, 1, dir, flags); +} + static inline int dmaengine_terminate_all(struct dma_chan *chan) { return dmaengine_device_control(chan, DMA_TERMINATE_ALL, 0); |