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path: root/drivers/dma/dmatest.c
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Diffstat (limited to 'drivers/dma/dmatest.c')
-rw-r--r--drivers/dma/dmatest.c35
1 files changed, 18 insertions, 17 deletions
diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c
index a8d7809e2f4c..220ee49633e4 100644
--- a/drivers/dma/dmatest.c
+++ b/drivers/dma/dmatest.c
@@ -349,14 +349,14 @@ static void dbg_result(const char *err, unsigned int n, unsigned int src_off,
unsigned long data)
{
pr_debug("%s: result #%u: '%s' with src_off=0x%x dst_off=0x%x len=0x%x (%lu)\n",
- current->comm, n, err, src_off, dst_off, len, data);
+ current->comm, n, err, src_off, dst_off, len, data);
}
-#define verbose_result(err, n, src_off, dst_off, len, data) ({ \
- if (verbose) \
- result(err, n, src_off, dst_off, len, data); \
- else \
- dbg_result(err, n, src_off, dst_off, len, data); \
+#define verbose_result(err, n, src_off, dst_off, len, data) ({ \
+ if (verbose) \
+ result(err, n, src_off, dst_off, len, data); \
+ else \
+ dbg_result(err, n, src_off, dst_off, len, data);\
})
static unsigned long long dmatest_persec(s64 runtime, unsigned int val)
@@ -405,7 +405,6 @@ static int dmatest_func(void *data)
struct dmatest_params *params;
struct dma_chan *chan;
struct dma_device *dev;
- unsigned int src_off, dst_off, len;
unsigned int error_count;
unsigned int failed_tests = 0;
unsigned int total_tests = 0;
@@ -484,6 +483,7 @@ static int dmatest_func(void *data)
struct dmaengine_unmap_data *um;
dma_addr_t srcs[src_cnt];
dma_addr_t *dsts;
+ unsigned int src_off, dst_off, len;
u8 align = 0;
total_tests++;
@@ -502,15 +502,21 @@ static int dmatest_func(void *data)
break;
}
- if (params->noverify) {
+ if (params->noverify)
len = params->buf_size;
+ else
+ len = dmatest_random() % params->buf_size + 1;
+
+ len = (len >> align) << align;
+ if (!len)
+ len = 1 << align;
+
+ total_len += len;
+
+ if (params->noverify) {
src_off = 0;
dst_off = 0;
} else {
- len = dmatest_random() % params->buf_size + 1;
- len = (len >> align) << align;
- if (!len)
- len = 1 << align;
src_off = dmatest_random() % (params->buf_size - len + 1);
dst_off = dmatest_random() % (params->buf_size - len + 1);
@@ -523,11 +529,6 @@ static int dmatest_func(void *data)
params->buf_size);
}
- len = (len >> align) << align;
- if (!len)
- len = 1 << align;
- total_len += len;
-
um = dmaengine_get_unmap_data(dev->dev, src_cnt+dst_cnt,
GFP_KERNEL);
if (!um) {