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| /openbmc/linux/drivers/usb/serial/ |
| H A D | ftdi_sio.c | diff 74ede0ff59fb18787213ed979641624a2f234821 Fri Jul 29 14:16:41 CDT 2005 Ian Abbott <abbotti@mev.co.uk> [PATCH] USB: ftdi_sio: Update RTS and DTR simultaneously
ftdi_sio: Update RTS and DTR simultaneously, using a single control URB
instead of separate control URBs for RTS and DTR. Reinhard Bergmann
observed time differences of up to 680 ms with his application on a
2.4.22 kernel when RTS and DTR were updated using separate control
URBs, which is unacceptable.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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