Merge tag 'spi-v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi updates from Mark Brown:
 "The only core work for SPI this time around is the completion of the
  conversion to the new style method for specifying transfer delays,
  meaning we can cope with what most controllers support more directly
  using conversions in the core rather than open coding in drivers.

  Otherwise it's a good stack of cleanups and fixes plus a few new
  drivers.

  Summary:

   - Completion of the conversion to new style transfer delay
     configuration

   - Introduction and use of module_parport_driver() helper, merged here
     as there's no parport tree

   - Support for Altera SoCs on DFL buses, NXP i.MX8DL, HiSilicon
     Kunpeng, MediaTek MT8195"

* tag 'spi-v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (113 commits)
  spi: Rename enable1 to activate in spi_set_cs()
  spi: Convert Freescale QSPI binding to json schema
  spi: stm32-qspi: fix debug format string
  spi: tools: make a symbolic link to the header file spi.h
  spi: fsi: add a missing of_node_put
  spi: Make error handling of gpiod_count() call cleaner
  spidev: Add Micron SPI NOR Authenta device compatible
  spi: brcm,spi-bcm-qspi: convert to the json-schema
  spi: altera: Add DFL bus driver for Altera API Controller
  spi: altera: separate core code from platform code
  spi: stm32-qspi: Fix compilation warning in ARM64
  spi: Handle SPI device setup callback failure.
  spi: sync up initial chipselect state
  spi: stm32-qspi: Add dirmap support
  spi: stm32-qspi: Trigger DMA only if more than 4 bytes to transfer
  spi: stm32-qspi: fix pm_runtime usage_count counter
  spi: spi-zynqmp-gqspi: return -ENOMEM if dma_map_single fails
  spi: spi-zynqmp-gqspi: fix use-after-free in zynqmp_qspi_exec_op
  spi: spi-zynqmp-gqspi: Resolved slab-out-of-bounds bug
  spi: spi-zynqmp-gqspi: fix hang issue when suspend/resume
  ...

1 files changed, 5 insertions, 2 deletions

diff --git a/Documentation/spi/spi-summary.rst b/Documentation/spi/spi-summary.rst
index f1daffe10d78..d4239025461d 100644
--- a/Documentation/spi/spi-summary.rst
+++ b/Documentation/spi/spi-summary.rst
@@ -411,8 +411,11 @@ any more such messages.
         duplex (one pointer is NULL) transfers;
 
       + optionally defining short delays after transfers ... using
-        the spi_transfer.delay_usecs setting (this delay can be the
-        only protocol effect, if the buffer length is zero);
+        the spi_transfer.delay.value setting (this delay can be the
+        only protocol effect, if the buffer length is zero) ...
+        when specifying this delay the default spi_transfer.delay.unit
+        is microseconds, however this can be adjusted to clock cycles
+        or nanoseconds if needed;
 
       + whether the chipselect becomes inactive after a transfer and
         any delay ... by using the spi_transfer.cs_change flag;