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(parent: fba594a) | patch
serial: Fix send_xchar() handlers
authorPeter Hurley <peter@hurleysoftware.com>
Tue, 2 Sep 2014 21:39:15 +0000 (17:39 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 8 Sep 2014 23:22:42 +0000 (16:22 -0700)
commitdb106df32d679db151b48a09543b03ee41cb2580
treebef38581727c0696e7aac02df61ceb9a8a093685tree | snapshot
parentfba594a848f6f35417a358565086d22c533c19c8commit | diff
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>
Documentation/serial/driver diff | blob | history
drivers/tty/serial/sunhv.c diff | blob | history
drivers/tty/serial/sunsab.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git