On Fri, May 17, 2013 at 10:46:37AM -0500, Caylan Larson wrote:
> Johan,
>
> I have tested these patches and the performance is much better. Thank you.
Thanks for testing. The patches are already in the usb tree (usb-linus
branch) and should show up in v3.10-rc soon.
Johan
> Tested-by: Caylan L
These patches add wait_until_sent-support to usb-serial, which removes
the need to check hardware buffers in chars_in_buffer.
This fixes a problem in ftdi_sio (since 3.7) where select or TIOCMOUTQ
would take much longer than before due the hardware buffers being
queried.
Hardware buffers are also
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