Re: [PATCH] ACPI / tables: Add acpi_force_32bit_fadt_addr option to force 32 bit FADT addresses

From: Rafael J. Wysocki
Date: Tue Feb 16 2016 - 15:58:17 EST


On Thursday, January 21, 2016 05:05:47 PM Colin King wrote:
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> BugLink: https://bugs.launchpad.net/bugs/1529381
>
> Some HP laptops seem to have invalid 64 bit FADT X_PM* addresses
> which are causing various boot issues. In these cases, it would
> be useful to force ACPI to use the valid legacy 32 bit equivalent
> PM addresses. Add a acpi_force_32bit_fadt_addr to set the ACPICA
> acpi_gbl_use32_bit_fadt_addresses to TRUE to force this override.
>
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>

I've queued this up for 4.6 with some minor changes in the subject/changelog.

Thanks,
Rafael