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-rw-r--r--drivers/dma/dmatest.c25
1 files changed, 18 insertions, 7 deletions
diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c
index 0d050d2324e..329b7cf02f8 100644
--- a/drivers/dma/dmatest.c
+++ b/drivers/dma/dmatest.c
@@ -70,6 +70,10 @@ static bool noverify;
module_param(noverify, bool, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(noverify, "Disable random data setup and verification");
+static bool verbose;
+module_param(verbose, bool, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(verbose, "Enable \"success\" result messages (default: off)");
+
/**
* struct dmatest_params - test parameters.
* @buf_size: size of the memcpy test buffer
@@ -336,7 +340,7 @@ static unsigned int min_odd(unsigned int x, unsigned int y)
static void result(const char *err, unsigned int n, unsigned int src_off,
unsigned int dst_off, unsigned int len, unsigned long data)
{
- pr_info("%s: result #%u: '%s' with src_off=0x%x ""dst_off=0x%x len=0x%x (%lu)",
+ pr_info("%s: result #%u: '%s' with src_off=0x%x dst_off=0x%x len=0x%x (%lu)",
current->comm, n, err, src_off, dst_off, len, data);
}
@@ -344,10 +348,17 @@ static void dbg_result(const char *err, unsigned int n, unsigned int src_off,
unsigned int dst_off, unsigned int len,
unsigned long data)
{
- pr_debug("%s: result #%u: '%s' with src_off=0x%x ""dst_off=0x%x len=0x%x (%lu)",
- current->comm, n, err, src_off, dst_off, len, data);
+ pr_debug("%s: result #%u: '%s' with src_off=0x%x dst_off=0x%x len=0x%x (%lu)",
+ 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); \
+})
+
static unsigned long long dmatest_persec(s64 runtime, unsigned int val)
{
unsigned long long per_sec = 1000000;
@@ -640,8 +651,8 @@ static int dmatest_func(void *data)
dmaengine_unmap_put(um);
if (params->noverify) {
- dbg_result("test passed", total_tests, src_off, dst_off,
- len, 0);
+ verbose_result("test passed", total_tests, src_off,
+ dst_off, len, 0);
continue;
}
@@ -670,8 +681,8 @@ static int dmatest_func(void *data)
len, error_count);
failed_tests++;
} else {
- dbg_result("test passed", total_tests, src_off, dst_off,
- len, 0);
+ verbose_result("test passed", total_tests, src_off,
+ dst_off, len, 0);
}
}
runtime = ktime_us_delta(ktime_get(), ktime);