[PATCH v3 00/14] spi: Header and core clean up and refactoring

[Andy Shevchenko]

Various cleanups and refactorings of the SPI header and core parts
united in a single series. It also touches drivers under SPI subsystem
folder on the pure renaming purposes of some constants.

No functional change intended (with some subtle shortcuts which are
explained in the respective commit messages).

Changelog v3:
- dropped controversial used to be patches 3,4,8,10 (Mark)
- amended many commit messages (Mark)
- added tag to patch 1 (AngeloGioacchino)
- split used to be patch 2 to patches 2 & 3 for better review (Mark)
- rewritten used to be patch 5 to patches 4 & 5 (Mark, Sebastian)
- added new patch 7
- fixed typos and added tag to patch 12 (Serge)

v2: 20230710154932.68377-1-andriy.shevchenko@xxxxxxxxxxxxxxx

Changelog v2:
- added new patches 3,4,5,10,13,14
- massaged comment and kernel doc in patch 9
- split used to be patch 4 to patches 11,12
- covered a few things in SPI core in patch 15
- amended commit message for above (Mark)
- reshuffled patches in the series for better logical grouping

Andy Shevchenko (14):
  spi: Remove unneeded OF node NULL checks
  spi: Deduplicate IDR allocation code in spi_register_controller()
  spi: Refactor bus number assigning code in spi_register_controller()
  spi: Remove code duplication in spi_add_device*()
  spi: Kill spi_add_device_locked()
  spi: Use sysfs_emit() to instead of s*printf()
  spi: Use BITS_TO_BYTES()
  spi: Sort headers alphabetically
  spi: Use struct_size() helper
  spi: Get rid of old SPI_MASTER_NO_TX & SPI_MASTER_NO_RX
  spi: Get rid of old SPI_MASTER_MUST_TX & SPI_MASTER_MUST_RX
  spi: Rename SPI_MASTER_GPIO_SS to SPI_CONTROLLER_GPIO_SS
  spi: Convert to SPI_CONTROLLER_HALF_DUPLEX
  spi: Fix spelling typos and acronyms capitalization

 drivers/spi/spi-amd.c             |   2 +-
 drivers/spi/spi-at91-usart.c      |   2 +-
 drivers/spi/spi-ath79.c           |   2 +-
 drivers/spi/spi-atmel.c           |   4 +-
 drivers/spi/spi-bitbang-txrx.h    |  16 +--
 drivers/spi/spi-bitbang.c         |   8 +-
 drivers/spi/spi-cavium-thunderx.c |   2 +-
 drivers/spi/spi-davinci.c         |   2 +-
 drivers/spi/spi-dw-core.c         |   2 +-
 drivers/spi/spi-falcon.c          |   2 +-
 drivers/spi/spi-fsl-lpspi.c       |   2 +-
 drivers/spi/spi-gpio.c            |  10 +-
 drivers/spi/spi-imx.c             |   2 +-
 drivers/spi/spi-lp8841-rtc.c      |  10 +-
 drivers/spi/spi-meson-spicc.c     |   2 +-
 drivers/spi/spi-mt65xx.c          |   2 +-
 drivers/spi/spi-mxs.c             |   2 +-
 drivers/spi/spi-omap-uwire.c      |   2 +-
 drivers/spi/spi-orion.c           |   2 +-
 drivers/spi/spi-pci1xxxx.c        |   2 +-
 drivers/spi/spi-pic32-sqi.c       |   2 +-
 drivers/spi/spi-pic32.c           |   2 +-
 drivers/spi/spi-qcom-qspi.c       |   2 +-
 drivers/spi/spi-rb4xx.c           |   2 +-
 drivers/spi/spi-rockchip-sfc.c    |   2 +-
 drivers/spi/spi-rockchip.c        |   2 +-
 drivers/spi/spi-sifive.c          |   2 +-
 drivers/spi/spi-slave-mt27xx.c    |   2 +-
 drivers/spi/spi-sprd-adi.c        |   2 +-
 drivers/spi/spi-stm32.c           |   2 +-
 drivers/spi/spi-ti-qspi.c         |   2 +-
 drivers/spi/spi-xcomm.c           |   2 +-
 drivers/spi/spi-xtensa-xtfpga.c   |   2 +-
 drivers/spi/spi.c                 | 211 +++++++++++++-----------------
 include/linux/spi/spi.h           | 173 ++++++++++++------------
 include/trace/events/spi.h        |   2 +-
 36 files changed, 238 insertions(+), 252 deletions(-)

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2.40.0.1.gaa8946217a0b