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tty: serial: 8250: Add Mediatek UART driver
authorMatthias Brugger <matthias.bgg@gmail.com>
Tue, 9 Sep 2014 15:31:42 +0000 (17:31 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 10 Sep 2014 13:59:41 +0000 (06:59 -0700)
The device has a highspeed register which influences the calcualtion
of the divisor. The chip lacks support for some baudrates. When requested,
we set the divisor to the next smaller baudrate and adjust the c_cflag
accordingly.

Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Reviewed-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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