From 5df831117b85a08e7aa469dda97d2ee02181d083 Mon Sep 17 00:00:00 2001
From: Qipan Li <Qipan.Li@csr.com>
Date: Mon, 12 Aug 2013 18:15:35 +0800
Subject: [PATCH] serial: sirf: make the driver also support USP-based UART

Universal Serial Ports (USP) can be used as PCM, UART, SPI,
I2S etc. this makes the USP work as UART. the basic work
flow is same with UART controller, the main difference will
be offset of registers and bits.

this patch makes the old sirfsoc uart driver support both
sirf UART and USP-based UART by making their differences
become private data.

Signed-off-by: Qipan Li <Qipan.Li@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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