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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2013-03-04 10:09:32 +0100 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2013-04-15 06:21:17 +0200 |
| commit | 74b5c07a515b2986c9bdfe649213b8e358d32ad2 (patch) | |
| tree | b3b0f20b1963dcda22176dca18ff19250e1af487 /drivers | |
| parent | dmatest: return actual state in 'run' file (diff) | |
| download | linux-74b5c07a515b2986c9bdfe649213b8e358d32ad2.tar.xz linux-74b5c07a515b2986c9bdfe649213b8e358d32ad2.zip | |
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')
| -rw-r--r-- | drivers/dma/dmatest.c | 9 |
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; } |