From: Peter Hurley <peter@hurleysoftware.com>
Date: Tue, 2 Sep 2014 21:39:15 +0000 (-0400)
Subject: serial: Fix send_xchar() handlers
X-Git-Tag: fixes-for-v3.18-merge-window~14^2~68
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=db106df32d679db151b48a09543b03ee41cb2580;p=pandora-kernel.git

serial: Fix send_xchar() handlers

START_CHAR() & STOP_CHAR() can be disabled if set to '\0'
(__DISABLED_CHAR).  UART drivers which define a send_xchar()
handler must not transmit __DISABLED_CHAR.

Document requirement.

Affected drivers:
sunsab
sunhv

cc: David S. Miller <davem@davemloft.net>
cc: <sparclinux@vger.kernel.org>
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

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