diff options
| author | Vikram Pandita <[email protected]> | 2011-10-30 12:55:09 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <[email protected]> | 2011-11-14 16:46:07 -0800 |
| commit | 332960bd7eb48ef21923b4876e7fe3487d6bf11c (patch) | |
| tree | 0f41733ceaa5b21dc369fde8a5e26434b93abb81 /tools/perf/scripts/python/netdev-times.py | |
| parent | 4b6181caa411ccb91ff4aad10b83d62d5a0464d3 (diff) | |
USB: ehci: report Data Buffer Error in debug mode
Data Buffer Error as per spec section 4.15.1.1.2
results when there is Underrun or Overrun condition.
This error is considered non-fatal and never gets reported.
Its a very good indication on things going wrong at system level,
like running memory at much slower speed.
This is a good error to flag allowing system level corrections.
An issue was found with OMAP4460 board where DDR had to be run
at full speed and this logging helped.
Signed-off-by: Vikram Pandita <[email protected]>
Reviewed-by: Marek Vasut <[email protected]>
Signed-off-by: Vikram Pandita <[email protected]>
Signed-off-by: Alan Stern <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/netdev-times.py')
0 files changed, 0 insertions, 0 deletions