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authorLinus Torvalds <torvalds@linux-foundation.org>2010-05-21 17:05:46 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-05-21 17:05:46 -0700
commit6f68fbaafbaa033205cd131d3e1f3c4b914e9b78 (patch)
tree56b434496064ed170f94381e3ec4c6c340b71376 /drivers/dma/ppc4xx/adma.c
parent6e4513972a5ad28517477d21f301a02ac7a0df76 (diff)
parent0b28330e39bbe0ffee4c56b09fc415fcec595ea3 (diff)
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Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx: DMAENGINE: extend the control command to include an arg async_tx: trim dma_async_tx_descriptor in 'no channel switch' case DMAENGINE: DMA40 fix for allocation of logical channel 0 DMAENGINE: DMA40 support paused channel status dmaengine: mpc512x: Use resource_size DMA ENGINE: Do not reset 'private' of channel ioat: Remove duplicated devm_kzalloc() calls for ioatdma_device ioat3: disable cacheline-unaligned transfers for raid operations ioat2,3: convert to producer/consumer locking ioat: convert to circ_buf DMAENGINE: Support for ST-Ericssons DMA40 block v3 async_tx: use of kzalloc/kfree requires the include of slab.h dmaengine: provide helper for setting txstate DMAENGINE: generic channel status v2 DMAENGINE: generic slave control v2 dma: timb-dma: Update comment and fix compiler warning dma: Add timb-dma DMAENGINE: COH 901 318 fix bytesleft DMAENGINE: COH 901 318 rename confusing vars
Diffstat (limited to 'drivers/dma/ppc4xx/adma.c')
-rw-r--r--drivers/dma/ppc4xx/adma.c19
1 files changed, 7 insertions, 12 deletions
diff --git a/drivers/dma/ppc4xx/adma.c b/drivers/dma/ppc4xx/adma.c
index d44626fa35a..c6079fcca13 100644
--- a/drivers/dma/ppc4xx/adma.c
+++ b/drivers/dma/ppc4xx/adma.c
@@ -3935,12 +3935,13 @@ static void ppc440spe_adma_free_chan_resources(struct dma_chan *chan)
}
/**
- * ppc440spe_adma_is_complete - poll the status of an ADMA transaction
+ * ppc440spe_adma_tx_status - poll the status of an ADMA transaction
* @chan: ADMA channel handle
* @cookie: ADMA transaction identifier
+ * @txstate: a holder for the current state of the channel
*/
-static enum dma_status ppc440spe_adma_is_complete(struct dma_chan *chan,
- dma_cookie_t cookie, dma_cookie_t *done, dma_cookie_t *used)
+static enum dma_status ppc440spe_adma_tx_status(struct dma_chan *chan,
+ dma_cookie_t cookie, struct dma_tx_state *txstate)
{
struct ppc440spe_adma_chan *ppc440spe_chan;
dma_cookie_t last_used;
@@ -3951,10 +3952,7 @@ static enum dma_status ppc440spe_adma_is_complete(struct dma_chan *chan,
last_used = chan->cookie;
last_complete = ppc440spe_chan->completed_cookie;
- if (done)
- *done = last_complete;
- if (used)
- *used = last_used;
+ dma_set_tx_state(txstate, last_complete, last_used, 0);
ret = dma_async_is_complete(cookie, last_complete, last_used);
if (ret == DMA_SUCCESS)
@@ -3965,10 +3963,7 @@ static enum dma_status ppc440spe_adma_is_complete(struct dma_chan *chan,
last_used = chan->cookie;
last_complete = ppc440spe_chan->completed_cookie;
- if (done)
- *done = last_complete;
- if (used)
- *used = last_used;
+ dma_set_tx_state(txstate, last_complete, last_used, 0);
return dma_async_is_complete(cookie, last_complete, last_used);
}
@@ -4180,7 +4175,7 @@ static void ppc440spe_adma_init_capabilities(struct ppc440spe_adma_device *adev)
ppc440spe_adma_alloc_chan_resources;
adev->common.device_free_chan_resources =
ppc440spe_adma_free_chan_resources;
- adev->common.device_is_tx_complete = ppc440spe_adma_is_complete;
+ adev->common.device_tx_status = ppc440spe_adma_tx_status;
adev->common.device_issue_pending = ppc440spe_adma_issue_pending;
/* Set prep routines based on capability */