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author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-22 17:53:13 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-22 17:53:13 -0700 |
commit | 6447f55da90b77faec1697d499ed7986bb4f6de6 (patch) | |
tree | 2d360d48121bdaa354d1ef19fed48467d08dfb1f /drivers/dma/dmatest.c | |
parent | c50e3f512a5a15a73acd94e6ec8ed63cd512e04f (diff) | |
parent | 3ea205c449d2b5996d0256aa8b2894f7aea228a2 (diff) | |
download | op-kernel-dev-6447f55da90b77faec1697d499ed7986bb4f6de6.zip op-kernel-dev-6447f55da90b77faec1697d499ed7986bb4f6de6.tar.gz |
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: (66 commits)
avr32: at32ap700x: fix typo in DMA master configuration
dmaengine/dmatest: Pass timeout via module params
dma: let IMX_DMA depend on IMX_HAVE_DMA_V1 instead of an explicit list of SoCs
fsldma: make halt behave nicely on all supported controllers
fsldma: reduce locking during descriptor cleanup
fsldma: support async_tx dependencies and automatic unmapping
fsldma: fix controller lockups
fsldma: minor codingstyle and consistency fixes
fsldma: improve link descriptor debugging
fsldma: use channel name in printk output
fsldma: move related helper functions near each other
dmatest: fix automatic buffer unmap type
drivers, pch_dma: Fix warning when CONFIG_PM=n.
dmaengine/dw_dmac fix: use readl & writel instead of __raw_readl & __raw_writel
avr32: at32ap700x: Specify DMA Flow Controller, Src and Dst msize
dw_dmac: Setting Default Burst length for transfers as 16.
dw_dmac: Allow src/dst msize & flow controller to be configured at runtime
dw_dmac: Changing type of src_master and dest_master to u8.
dw_dmac: Pass Channel Priority from platform_data
dw_dmac: Pass Channel Allocation Order from platform_data
...
Diffstat (limited to 'drivers/dma/dmatest.c')
-rw-r--r-- | drivers/dma/dmatest.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c index 5589358..e0888cb 100644 --- a/drivers/dma/dmatest.c +++ b/drivers/dma/dmatest.c @@ -54,6 +54,11 @@ module_param(pq_sources, uint, S_IRUGO); MODULE_PARM_DESC(pq_sources, "Number of p+q source buffers (default: 3)"); +static int timeout = 3000; +module_param(timeout, uint, S_IRUGO); +MODULE_PARM_DESC(timeout, "Transfer Timeout in msec (default: 3000), \ + Pass -1 for infinite timeout"); + /* * Initialization patterns. All bytes in the source buffer has bit 7 * set, all bytes in the destination buffer has bit 7 cleared. @@ -285,7 +290,12 @@ static int dmatest_func(void *data) set_user_nice(current, 10); - flags = DMA_CTRL_ACK | DMA_COMPL_SKIP_DEST_UNMAP | DMA_PREP_INTERRUPT; + /* + * src buffers are freed by the DMAEngine code with dma_unmap_single() + * dst buffers are freed by ourselves below + */ + flags = DMA_CTRL_ACK | DMA_PREP_INTERRUPT + | DMA_COMPL_SKIP_DEST_UNMAP | DMA_COMPL_SRC_UNMAP_SINGLE; while (!kthread_should_stop() && !(iterations && total_tests >= iterations)) { @@ -294,7 +304,7 @@ static int dmatest_func(void *data) dma_addr_t dma_srcs[src_cnt]; dma_addr_t dma_dsts[dst_cnt]; struct completion cmp; - unsigned long tmo = msecs_to_jiffies(3000); + unsigned long tmo = msecs_to_jiffies(timeout); u8 align = 0; total_tests++; |