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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-23 12:03:18 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-23 12:03:18 -0700 |
| commit | 5554b35933245e95710d709175e14c02cbc956a4 (patch) | |
| tree | 2eeb2f05a7061da3c9a3bc9ea69a344b990c6b49 /crypto/async_tx/async_memcpy.c | |
| parent | 0f6e38a6381446eff5175b77d1094834a633a90f (diff) | |
| parent | 7f1b358a236ee9c19657a619ac6f2dcabcaa0924 (diff) | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx: (24 commits)
I/OAT: I/OAT version 3.0 support
I/OAT: tcp_dma_copybreak default value dependent on I/OAT version
I/OAT: Add watchdog/reset functionality to ioatdma
iop_adma: cleanup iop_chan_xor_slot_count
iop_adma: document how to calculate the minimum descriptor pool size
iop_adma: directly reclaim descriptors on allocation failure
async_tx: make async_tx_test_ack a boolean routine
async_tx: remove depend_tx from async_tx_sync_epilog
async_tx: export async_tx_quiesce
async_tx: fix handling of the "out of descriptor" condition in async_xor
async_tx: ensure the xor destination buffer remains dma-mapped
async_tx: list_for_each_entry_rcu() cleanup
dmaengine: Driver for the Synopsys DesignWare DMA controller
dmaengine: Add slave DMA interface
dmaengine: add DMA_COMPL_SKIP_{SRC,DEST}_UNMAP flags to control dma unmap
dmaengine: Add dma_client parameter to device_alloc_chan_resources
dmatest: Simple DMA memcpy test client
dmaengine: DMA engine driver for Marvell XOR engine
iop-adma: fix platform driver hotplug/coldplug
dmaengine: track the number of clients using a channel
...
Fixed up conflict in drivers/dca/dca-sysfs.c manually
Diffstat (limited to 'crypto/async_tx/async_memcpy.c')
| -rw-r--r-- | crypto/async_tx/async_memcpy.c | 12 |
1 files changed, 2 insertions, 10 deletions
diff --git a/crypto/async_tx/async_memcpy.c b/crypto/async_tx/async_memcpy.c index a5eda80e842..ddccfb01c41 100644 --- a/crypto/async_tx/async_memcpy.c +++ b/crypto/async_tx/async_memcpy.c @@ -73,15 +73,7 @@ async_memcpy(struct page *dest, struct page *src, unsigned int dest_offset, pr_debug("%s: (sync) len: %zu\n", __func__, len); /* wait for any prerequisite operations */ - if (depend_tx) { - /* if ack is already set then we cannot be sure - * we are referring to the correct operation - */ - BUG_ON(async_tx_test_ack(depend_tx)); - if (dma_wait_for_async_tx(depend_tx) == DMA_ERROR) - panic("%s: DMA_ERROR waiting for depend_tx\n", - __func__); - } + async_tx_quiesce(&depend_tx); dest_buf = kmap_atomic(dest, KM_USER0) + dest_offset; src_buf = kmap_atomic(src, KM_USER1) + src_offset; @@ -91,7 +83,7 @@ async_memcpy(struct page *dest, struct page *src, unsigned int dest_offset, kunmap_atomic(dest_buf, KM_USER0); kunmap_atomic(src_buf, KM_USER1); - async_tx_sync_epilog(flags, depend_tx, cb_fn, cb_param); + async_tx_sync_epilog(cb_fn, cb_param); } return tx; |