On Fri, 20 Nov 2009 09:21:44 -0500 "Martin Geleynse" <mgeleyns@xxxxxxxxxxxx> wrote: > It appears that the FTDI usb serial driver (drivers/usb/serial/ftdi_sio.c) in > 2.6.32-rc7 still has problems with hardware handshaking. In response to a > customer support call I have investigated a bit and find that both 2.6.31.6 > and 2.6.32-rc7 have the same behavior, whereas version 2.6.30 does not. The fixes for this got bogged down somewhere along the way but should be in -rc8. > I believe the high-level driver tty driver is not requesting that the > handshake signals be enabled or set appropriately. You are correct - it would not raise DTR/RTS on open if the first open was done with O_NDELAY set. Alan -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
