ACPI 5.0 specification introduces enumeration support for SPB buses. This
patch set adds the UART serial bus enumeration support to Linux using such
mechanism.
NOTE: The [PATCH 3/3] is only for the demonstration purpose and should not
be merged into any of the published Linux source tree.
Lv Zheng (3):
UART: Add UART subsystem as a bus.
ACPI / UART: Add ACPI enumeration support for UART bus.
UART: Add dummy devices to test the enumeration.
drivers/acpi/Kconfig | 7 +
drivers/acpi/Makefile | 1 +
drivers/acpi/acpi_uart.c | 255 ++++++++++++++++++++
drivers/acpi/scan.c | 1 +
drivers/tty/serial/8250/8250.c | 10 +-
drivers/tty/serial/8250/8250_dummy.c | 128 ++++++++++
drivers/tty/serial/8250/Kconfig | 10 +
drivers/tty/serial/8250/Makefile | 1 +
drivers/tty/serial/Makefile | 2 +-
drivers/tty/serial/serial_bus.c | 426 ++++++++++++++++++++++++++++++++++
include/linux/acpi_uart.h | 40 ++++
include/linux/mod_devicetable.h | 5 +
include/linux/serial_8250.h | 2 +
include/linux/serial_core.h | 59 +++++
14 files changed, 944 insertions(+), 3 deletions(-)
create mode 100644 drivers/acpi/acpi_uart.c
create mode 100644 drivers/tty/serial/8250/8250_dummy.c
create mode 100644 drivers/tty/serial/serial_bus.c
create mode 100644 include/linux/acpi_uart.h
--
1.7.10
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