serial: pxa: work around for errata #20
authorMarcus Folkesson <marcus.folkesson@gmail.com>
Tue, 30 Aug 2011 11:53:10 +0000 (13:53 +0200)
committerGreg Kroah-Hartman <gregkh@suse.de>
Thu, 22 Sep 2011 22:47:53 +0000 (15:47 -0700)
commite44aabd649c80e8be16ede3ed3cbff6fb2561ca9
treedbb84aa155527ad4cb08505c8706301e6fe59e22
parent7d4008ebb1c971ce4baf57e45993690b0fa6d9f9
serial: pxa: work around for errata #20

Errata E20: UART: Character Timeout interrupt remains set under certain
software conditions.

Implication: The software servicing the UART can be trapped in an infinite loop.

Signed-off-by: Marcus Folkesson <marcus.folkesson@gmail.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/tty/serial/pxa.c