serial: sirf: add support for Marco chip
authorBarry Song <Baohua.Song@csr.com>
Wed, 7 Aug 2013 05:35:38 +0000 (13:35 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 12 Aug 2013 18:29:53 +0000 (11:29 -0700)
the marco and coming new CSR multiple SoCs have SET/CLR pair for
INTEN registers to avoid some read-modify-write.

this patch adds support for this and make the driver support current
up and coming mp SoCs.

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

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