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[0/2] add SPI_3WIRE support to spi-gpio controller

Message ID 20180728081914.18994-1-lorenzo.bianconi@redhat.com (mailing list archive)
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Series add SPI_3WIRE support to spi-gpio controller | expand

Message

Lorenzo Bianconi July 28, 2018, 8:19 a.m. UTC 
Changes since RFC:
- check set_line_direction function pointer in spi_bitbang_bufs
  routine

Lorenzo Bianconi (2):
  spi: add flags parameter to txrx_word function pointers
  spi: spi-gpio: add SPI_3WIRE support

 drivers/spi/spi-ath79.c         |  2 +-
 drivers/spi/spi-bitbang.c       | 50 ++++++++++++++++++++++++---------
 drivers/spi/spi-butterfly.c     |  4 +--
 drivers/spi/spi-gpio.c          | 49 +++++++++++++++++++++-----------
 drivers/spi/spi-lm70llp.c       |  5 ++--
 drivers/spi/spi-sh-sci.c        | 20 +++++++------
 drivers/spi/spi-xtensa-xtfpga.c |  2 +-
 include/linux/spi/spi_bitbang.h |  3 +-
 8 files changed, 90 insertions(+), 45 deletions(-)