dmatest: implement two helpers to unmap dma memory
The unmap_src() and unmap_dst() will be used later as well. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org> Cc: Vinod Koul <vinod.koul@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
parent
0f34c40091
commit
632fd28326
|
@ -228,6 +228,20 @@ static void dmatest_callback(void *arg)
|
|||
wake_up_all(done->wait);
|
||||
}
|
||||
|
||||
static inline void unmap_src(struct device *dev, dma_addr_t *addr, size_t len,
|
||||
unsigned int count)
|
||||
{
|
||||
while (count--)
|
||||
dma_unmap_single(dev, addr[count], len, DMA_TO_DEVICE);
|
||||
}
|
||||
|
||||
static inline void unmap_dst(struct device *dev, dma_addr_t *addr, size_t len,
|
||||
unsigned int count)
|
||||
{
|
||||
while (count--)
|
||||
dma_unmap_single(dev, addr[count], len, DMA_BIDIRECTIONAL);
|
||||
}
|
||||
|
||||
/*
|
||||
* This function repeatedly tests DMA transfers of various lengths and
|
||||
* offsets for a given operation type until it is told to exit by
|
||||
|
@ -383,13 +397,8 @@ static int dmatest_func(void *data)
|
|||
}
|
||||
|
||||
if (!tx) {
|
||||
for (i = 0; i < src_cnt; i++)
|
||||
dma_unmap_single(dev->dev, dma_srcs[i], len,
|
||||
DMA_TO_DEVICE);
|
||||
for (i = 0; i < dst_cnt; i++)
|
||||
dma_unmap_single(dev->dev, dma_dsts[i],
|
||||
test_buf_size,
|
||||
DMA_BIDIRECTIONAL);
|
||||
unmap_src(dev->dev, dma_srcs, len, src_cnt);
|
||||
unmap_dst(dev->dev, dma_dsts, test_buf_size, dst_cnt);
|
||||
pr_warning("%s: #%u: prep error with src_off=0x%x "
|
||||
"dst_off=0x%x len=0x%x\n",
|
||||
thread_name, total_tests - 1,
|
||||
|
@ -443,9 +452,7 @@ static int dmatest_func(void *data)
|
|||
}
|
||||
|
||||
/* Unmap by myself (see DMA_COMPL_SKIP_DEST_UNMAP above) */
|
||||
for (i = 0; i < dst_cnt; i++)
|
||||
dma_unmap_single(dev->dev, dma_dsts[i], test_buf_size,
|
||||
DMA_BIDIRECTIONAL);
|
||||
unmap_dst(dev->dev, dma_dsts, test_buf_size, dst_cnt);
|
||||
|
||||
error_count = 0;
|
||||
|
||||
|
|
Loading…
Reference in a new issue