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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2013-03-04 11:09:32 +0200
committerVinod Koul <vinod.koul@intel.com>2013-04-15 09:51:17 +0530
commit74b5c07a515b2986c9bdfe649213b8e358d32ad2 (patch)
treeb3b0f20b1963dcda22176dca18ff19250e1af487 /drivers/dma
parent3e5ccd866fdf3a1e1d4d2c08c81f861ad6798d32 (diff)
dmatest: define MAX_ERROR_COUNT constant
Its meaning is to limit amount of error messages to be printed out when buffer mismatch is occured. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma')
-rw-r--r--drivers/dma/dmatest.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c
index d19234b08342..4225a292d371 100644
--- a/drivers/dma/dmatest.c
+++ b/drivers/dma/dmatest.c
@@ -66,6 +66,9 @@ module_param(timeout, uint, S_IRUGO);
MODULE_PARM_DESC(timeout, "Transfer Timeout in msec (default: 3000), "
"Pass -1 for infinite timeout");
+/* Maximum amount of mismatched bytes in buffer to print */
+#define MAX_ERROR_COUNT 32
+
/*
* Initialization patterns. All bytes in the source buffer has bit 7
* set, all bytes in the destination buffer has bit 7 cleared.
@@ -249,7 +252,7 @@ static unsigned int dmatest_verify(u8 **bufs, unsigned int start,
actual = buf[i];
expected = pattern | (~counter & PATTERN_COUNT_MASK);
if (actual != expected) {
- if (error_count < 32)
+ if (error_count < MAX_ERROR_COUNT)
dmatest_mismatch(actual, pattern, i,
counter, is_srcbuf);
error_count++;
@@ -258,9 +261,9 @@ static unsigned int dmatest_verify(u8 **bufs, unsigned int start,
}
}
- if (error_count > 32)
+ if (error_count > MAX_ERROR_COUNT)
pr_warning("%s: %u errors suppressed\n",
- current->comm, error_count - 32);
+ current->comm, error_count - MAX_ERROR_COUNT);
return error_count;
}