atmel_serial: fix spinlock lockup in RS485 code
commitdbf1115d3f8c7052788aa4e6e46abd27f3b3eeba
authorClaudio Scordino <claudio@evidence.eu.com>
Fri, 16 Dec 2011 14:08:49 +0000 (16 15:08 +0100)
committerGreg Kroah-Hartman <gregkh@suse.de>
Thu, 5 Jan 2012 00:19:34 +0000 (4 16:19 -0800)
tree4536d5b6fd050c3acec08c62db51e25b81d58904
parent106b5fa700bd1ff422382dc907d1ca97f0c3972d
atmel_serial: fix spinlock lockup in RS485 code

Patch to fix a spinlock lockup in the driver that sometimes happens when the
tasklet starts.

Signed-off-by: Claudio Scordino <claudio@evidence.eu.com>
Signed-off-by: Dave Bender <codehero@gmail.com>
Tested-by: Dave Bender <codehero@gmail.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Alan Cox <alan@linux.intel.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/tty/serial/atmel_serial.c