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Yinghai Lu
c3e4642be7
with reverting "x86, serial: convert legacy COM ports to platform devices", we will have the serial console before the port is probled again. uart_add_one_port==>uart_configure_port==>set_mcttrl(port, 0) will clear the DTR setting by uart_set_options(). then I will lose my output from serial console again. So try to keep DTR in uart_configure_port() Signed-off-by: Yinghai Lu <yinghai.lu@sun.com> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Andi Kleen <ak@suse.de> Cc: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>