[PATCH v2 SPI for-next 0/2] spi: microchip: pci1xxxx: Load SPI driver for SPI endpoint of PCI1XXXX switch

[Tharun Kumar P]

Microchip PCI1XXXX is an unmanaged PCIe3.1a switch for consumer,
industrial, and automotive applications. This switch has multiple
downstream ports. One of the switch's downstream ports is a multifunction
endpoint; one of those functions supports SPI functionality. This series
of patches provides the SPI controller driver for the SPI function of the
multifunction PCIe endpoint of the switch.

RFC -> V2:
- Added logic to handle chip select disable case
- Set SPI_MASTER_MUST_TX flag
- Added logic to ensure current transaction is complete before suspending

Tharun Kumar P (2):
  spi: microchip: pci1xxxx: Add driver for SPI controller of PCI1XXXX
    PCIe switch
  spi: microchip: pci1xxxx: Add suspend and resume support for PCI1XXXX
    SPI driver

 drivers/spi/Kconfig        |   9 +
 drivers/spi/Makefile       |   1 +
 drivers/spi/spi-pci1xxxx.c | 475 +++++++++++++++++++++++++++++++++++++
 3 files changed, 485 insertions(+)
 create mode 100644 drivers/spi/spi-pci1xxxx.c

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2.25.1