On Tue, 05 Jul, at 01:09:52PM, Octavian Purdila wrote: > This patch allows SSDTs to be loaded from EFI variables. It works by > specifying the EFI variable name containing the SSDT to be loaded. All > variables with the same name (regardless of the vendor GUID) will be > loaded. > > Note that we can't use acpi_install_table and we must rely on the > dynamic ACPI table loading and bus re-scanning mechanisms. That is > because I2C/SPI controllers are initialized earlier then the EFI > subsystems and all I2C/SPI ACPI devices are enumerated when the > I2C/SPI controllers are initialized. > > Signed-off-by: Octavian Purdila <[email protected]> > --- > > As the rest of the series remains unchanged and it got Acks from most > of the other patches, I've resend only this patch. Rafael, please let > me know if you prefer to resend the whole series. > > Changes from v5: > > * enable duplicate detection to avoid firmware bugs that returns the > same variable over and over again; this requires pushing the entry > allocation back into efivar_ssdt_iter() and creating a temporary list > that is iterated over in efivar_ssdt_load() > > * marked efivar_ssdt with __initdata > > > Documentation/acpi/ssdt-overlays.txt | 67 +++++++++++++++++++++++++ > Documentation/kernel-parameters.txt | 7 +++ > drivers/firmware/efi/efi.c | 96 > ++++++++++++++++++++++++++++++++++++ > 3 files changed, 170 insertions(+)
Looks fine to me. Thanks Octavian. Reviewed-by: Matt Fleming <[email protected]>
