From: Hisashi Nakamura <hisashi.nakamura.ak@renesas.com>
Date: Mon, 26 Jan 2015 12:25:48 +0000 (+0900)
Subject: serial: sh-sci: Fix R-Car SCIF and HSCIF overrun handling
X-Git-Tag: fixes-v4.0-rc1~98^2~36
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8b6ff84c2d445a476be5f5493b9deac00271eedd;p=pandora-kernel.git

serial: sh-sci: Fix R-Car SCIF and HSCIF overrun handling

When fifo overrun happened, the interrupt status refers to
SCLSR register in R-Car SCIF and HSCIF.
Thus, overrun handling takes SCLSR register into account.

Signed-off-by: Hisashi Nakamura <hisashi.nakamura.ak@renesas.com>
Signed-off-by: Yoshihiro Kaneko <ykaneko0929@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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