[PATCH v3 0/7] Improvements for SPI IMX driver for Freescale IMX51, IMX53 and IMX6

A number of patches to impove or add the implementation
for the spi-imx driver related to Freescale IMX51, IMX53 and IMX6.
It would also possible some of patches can be applied for other
Freescale controllers using spi-imx driver but could not be tested
due to lack of hardware.

Changes since V2:
Removed patch V2 8/8 since it's not ready due to quality problems
Simlified patch 4/7 since V2 8/8 removed
Addressed all comments from reviewers and build bot failure

Anton Bondarenko (7):
  spi: imx: Fix DMA transfer
  spi: imx: replace fixed timeout with calculated one
  spi: imx: add support for all SPI word width for DMA transfer
  spi: imx: add function to check for IMX51 family controller
  spi: imx: Add support for loopback for ECSPI controllers
  spi: imx: return error from dma channel request
  spi: imx: defer spi initialization, if DMA engine is pending

 drivers/spi/spi-imx.c | 333 +++++++++++++++++++++++++++++++++++++-------------
 1 file changed, 250 insertions(+), 83 deletions(-)

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2.6.2