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authorZeng Tao <prime.zeng@hisilicon.com>2018-09-28 07:27:52 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-10-02 15:05:30 -0400
commitbd0e6c9614b95352eb31d0207df16dc156c527fa (patch)
tree274c7a7b59d5b149f183371dff221a52f292a9b4 /tools/perf
parent2cfe8f864d0e2504dc2f68f0b04668d877f7c7b4 (diff)
usb: hub: try old enumeration scheme first for high speed devices
The new scheme is required just to support legacy low and full-speed devices. For high speed devices, it will slower the enumeration speed. So in this patch we try the "old" enumeration scheme first for high speed devices, and this is what Windows does since Windows 8. Signed-off-by: Zeng Tao <prime.zeng@hisilicon.com> Acked-by: Alan Stern <stern@rowland.harvard.edu> Reviewed-by: Roger Quadros <rogerq@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/perf')
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