[PATCH v6 0/8] Improvements for SPI IMX driver for Freescale ECSPI controller, continuation

[Anton Bondarenko]

This series is to complement commits already applied to topic/imx branch

Changes since V5:
 * Fix for commit "spi: imx: Add loopback mode support"
 * Addressed some comments from Sascha Hauer for DMA initialization error report
 * Fixed 32 bytes transaction. It will be DMA now.

Anton Bondarenko (8):
  spi: imx: fix loopback mode setup after controller reset
  spi: imx: enable loopback only for ECSPI controller family
  spi: imx: return error from dma channel request
  spi: imx: defer spi initialization, if DMA engine is
  spi: imx: allow only WML aligned transfers to use DMA
  spi: imx: remove dead RX DMA tail handling code
  spi: imx: replace fixed timeout with calculated
  spi: imx: add support for all SPI word width for DMA

 drivers/spi/spi-imx.c | 203 +++++++++++++++++++++++++++++++++++---------------
 1 file changed, 145 insertions(+), 58 deletions(-)

-- 
2.6.3

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