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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2011-05-24 00:06:26 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2011-05-24 00:06:26 -0700
commitb73077eb03f510a84b102fb97640e595a958403c (patch)
tree8b639000418e2756bf6baece4e00e07d2534bccc /drivers/dma/dmatest.c
parent28350e330cfab46b60a1dbf763b678d859f9f3d9 (diff)
parent9d2e173644bb5c42ff1b280fbdda3f195a7cf1f7 (diff)
Merge branch 'next' into for-linus
Diffstat (limited to 'drivers/dma/dmatest.c')
-rw-r--r--drivers/dma/dmatest.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c
index 5589358b684..e0888cb538d 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++;