diff options
| author | Jiahau Chang <[email protected]> | 2017-07-20 14:48:27 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <[email protected]> | 2017-07-20 14:40:35 +0200 |
| commit | 9da5a1092b13468839b1a864b126cacfb72ad016 (patch) | |
| tree | 150639fa1c21c53e0d6988bd3b2f5d1a10e2e904 /tools/perf/util/trace-event-scripting.c | |
| parent | 4b895868bb2da60a386a17cde3bf9ecbc70c79f4 (diff) | |
xhci: Bad Ethernet performance plugged in ASM1042A host
When USB Ethernet is plugged in ASMEDIA ASM1042A xHCI host, bad
performance was manifesting in Web browser use (like download
large file such as ISO image). It is known limitation of
ASM1042A that is not compatible with driver scheduling,
As a workaround we can modify flow control handling of ASM1042A.
The register we modify is changes the behavior
[use quirk bit 28, usleep_range 40-60us, empty non-pci function -Mathias]
Cc: <[email protected]>
Signed-off-by: Jiahau Chang <[email protected]>
Signed-off-by: Ian Pilcher <[email protected]>
Signed-off-by: Mathias Nyman <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
Diffstat (limited to 'tools/perf/util/trace-event-scripting.c')
0 files changed, 0 insertions, 0 deletions