tree 326d50cf4fdbee33a3205424ea5d0b236f64aa27
parent 09238443c61e58f7fac8a3892b14b1bee40b4316
author Bin Gao <bin.gao@intel.com> 1381286357 +0800
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1381954096 -0700

serial: mrst_max3110: Fix race condition between spi transfers

There is a race between termios configuration and xmit that can cause the
intel_mid_ssp_spi driver to stall.

Serializing spi transactions fixes the problem.

Signed-off-by: Bin Gao <bin.gao@intel.com>
Signed-off-by: Feng Tang <feng.tang@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>