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Subject[PATCH v2 0/4] Apple device properties
Retrieve device properties from EFI on Macs before ExitBootServices is
called and assign them to devices (patch [3/4]). The devices that
properties pertain to are encoded as EFI Device Paths, so add a parser
for these (patch [2/4]). As a first use case, amend the Thunderbolt driver
to take advantage of the Device ROM supplied by EFI (patch [4/4]).

Patch [1/4] is already queued in Rafael J. Wysocki's tree for 4.9 and is
included here only because patch [2/4] wouldn't compile without it.

The series also depends on these two patches which are already queued
in Matt's tree for 4.9:

- x86/efi: Optimize away setup_gop32/64 if unused
https://patchwork.kernel.org/patch/9315763/

- x86/efi: Allow invocation of arbitrary boot services
https://patchwork.kernel.org/patch/9293371/


Changes since v1:

- Previously there were two separate patches for retrieving properties
and assigning them to devices. These are now squashed together in
patch [3/4]. (Requested by Matt Fleming.)

- The version of the EFI properties protocol as well as the properties
payload is now checked.

- Applied a bit of polish all over.


Link to v1:
https://lkml.org/lkml/2016/7/27/218

Browseable on GitHub:
https://github.com/l1k/linux/commits/apple_properties_v2

Thanks,

Lukas


Lukas Wunner (4):
ACPI / bus: Make acpi_get_first_physical_node() public
efi: Add device path parser
x86/efi: Retrieve and assign Apple device properties
thunderbolt: Use Device ROM retrieved from EFI

Documentation/kernel-parameters.txt | 5 +
arch/x86/boot/compressed/eboot.c | 63 +++++++++
arch/x86/include/uapi/asm/bootparam.h | 1 +
drivers/acpi/internal.h | 1 -
drivers/firmware/efi/Kconfig | 18 +++
drivers/firmware/efi/Makefile | 2 +
drivers/firmware/efi/apple-properties.c | 230 ++++++++++++++++++++++++++++++++
drivers/firmware/efi/dev-path-parser.c | 186 ++++++++++++++++++++++++++
drivers/thunderbolt/Kconfig | 1 +
drivers/thunderbolt/eeprom.c | 42 ++++++
drivers/thunderbolt/switch.c | 2 +-
include/linux/acpi.h | 7 +
include/linux/efi.h | 38 ++++++
13 files changed, 594 insertions(+), 2 deletions(-)
create mode 100644 drivers/firmware/efi/apple-properties.c
create mode 100644 drivers/firmware/efi/dev-path-parser.c

--
2.9.3

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