pci1xxxx is a PCIe switch with a multi-function endpoint on one of its
downstream ports. Quad-uart is one of the functions in the multi-function
endpoint. This patch adds device driver for the quad-uart function and
enumerates between 1 to 4 instances of uarts based on the PCIe subsystem
device ID.

Kumaravel Thiagarajan (2):
  8250: microchip: pci1xxxx: Add driver for the quad-uart function in
    the  multi-function endpoint of pci1xxxx device.
  8250: microchip: pci1xxxx: Add power management functions to
    pci1xxxx's  quad-uart driver.

 MAINTAINERS                             |   6 +
 drivers/tty/serial/8250/8250_pci1xxxx.c | 585 ++++++++++++++++++++++++
 drivers/tty/serial/8250/8250_port.c     |   8 +
 drivers/tty/serial/8250/Kconfig         |   9 +
 drivers/tty/serial/8250/Makefile        |   1 +
 include/uapi/linux/serial_core.h        |   3 +
 6 files changed, 612 insertions(+)
 create mode 100644 drivers/tty/serial/8250/8250_pci1xxxx.c

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2.25.1