[U-Boot] [PATCH v2 0/5] DW SPI: fixes and improvements

[Eugeniy Paltsev]

Various fixes and improvements of designware spi driver.

Changes v1->v2:
 * Use readl_poll_timeout macros instead of custom code.

Eugeniy Paltsev (5):
  DW SPI: fix tx data loss on FIFO flush
  DW SPI: fix transmit only mode
  DW SPI: refactor poll_transfer functions
  DW SPI: add option to use external gpio for chip select
  DW SPI: use 32 bit access instead of 16 and 32 bit mix

 drivers/spi/designware_spi.c | 132 ++++++++++++++++++++++++++++---------------
 1 file changed, 87 insertions(+), 45 deletions(-)

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2.14.3