From: Takashi Yoshii <takashi.yoshii.zj@renesas.com>
Date: Fri, 16 Nov 2012 01:53:11 +0000 (+0900)
Subject: serial: sh-sci: mask SCTFDR/RFDR according to fifosize
X-Git-Tag: omap-for-v3.8/fixes-for-merge-window-v4-signed~83^2~48
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=63f7ad115ef35b711f3ae2b46a07acbf1ca3bdfd;p=pandora-kernel.git

serial: sh-sci: mask SCTFDR/RFDR according to fifosize

Current mask 0xff to SCTFDR/RFDR damages SCIFB, because the
registers on SCIFB have 9-bit data (0 to 256).

This patch changes the mask according to port->fifosize.
Though I'm not sure if the mask is really needed (I don't know if
there are variants which have non-zero upper bits), it is safer.

Signed-off-by: Takashi Yoshii <takashi.yoshii.zj@renesas.com>
Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi.px@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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