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

Various fixes and improvements of designware spi driver.

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(-)