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(parent: 0923844) | patch
serial: mrst_max3110: Fix race condition between spi transfers
authorBin Gao <bin.gao@intel.com>
Wed, 9 Oct 2013 02:39:17 +0000 (10:39 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 16 Oct 2013 20:08:16 +0000 (13:08 -0700)
commitb6951b8a63e8764558c066369a6317bfe15dca55
tree326d50cf4fdbee33a3205424ea5d0b236f64aa27tree | snapshot
parent09238443c61e58f7fac8a3892b14b1bee40b4316commit | diff
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>
drivers/tty/serial/mrst_max3110.c diff | blob | history
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