[PATCH v3 0/3] spi: dw: refactor to use SPI core message handling

[Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>]

This patch series is dedicated to refactoring of spi-dw driver to use SPI core
message handling. The driver has been tested in PIO mode on Intel Medfield
device in loopback mode.

Note, the patch 3/3 depends on [1].

[1] http://www.spinics.net/lists/linux-spi/msg02982.html

Changelog v3:
- introduce patch 1/3 and 2/3 to make state of the SPI controller consistent
- return 1 instead of transfer length from transfer_one()
- use newly introduced handle_err()

Changelog v2:
- remove leftovers from spi-dw.h
- remove unused members of dw_spi, i.e. cur_dev, max_bits_per_word
- reuse chip->cs_control directly

Andy Shevchenko (3):
  spi: dw: make sure SPI controller is enabled
  spi: dw: program registers as soon as possible
  spi: dw: move to SPI core message handling

 drivers/spi/spi-dw-mid.c |   4 +-
 drivers/spi/spi-dw.c     | 236 +++++++++++++++--------------------------------
 drivers/spi/spi-dw.h     |  26 ------
 3 files changed, 77 insertions(+), 189 deletions(-)

-- 
2.1.4

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