Further serial driver bits

Some cleanups for the 3110 driver and an initial release of the driver for the hsu high speed serial.

Again these stand alone, there are other bits for early printk support and the like to follow once the things they depend upon are integrated

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Arjan van de Ven (2):
serial: fix wakup races in the mrst_max3110 driver
serial: replace open coded mutex with a real mutex in mrst_max3110.c

Feng Tang (2):
hsu: add a periodic timer to check dma rx channel
hsu: driver for Medfield High Speed UART device

 drivers/serial/Kconfig        |    9 
 drivers/serial/Makefile       |    1 
 drivers/serial/mfd.c          | 1532 +++++++++++++++++++++++++++++++++++++++++
 drivers/serial/mrst_max3110.c |   61 +-
 include/linux/serial_core.h   |    3 
 include/linux/serial_mfd.h    |   47 +
 include/linux/serial_reg.h    |   16 
 7 files changed, 1634 insertions(+), 35 deletions(-)
 create mode 100644 drivers/serial/mfd.c
 create mode 100644 include/linux/serial_mfd.h