Linn, We will integrate this change into ACPICA for the next release, later in March 2013. Thanks, Bob > -----Original Message----- > From: Linn Crosetto [mailto:linn@xxxxxx] > Sent: Friday, March 15, 2013 12:56 PM > To: rjw@xxxxxxx; Moore, Robert; ming.m.lin@xxxxxxxxx; Zheng, Lv; linux- > acpi@xxxxxxxxxxxxxxx > Cc: linux-kernel@xxxxxxxxxxxxxxx; Linn Crosetto > Subject: [PATCH] acpi: remove length check for large registers > > The legacy bit width field in the Generic Address Structure is 1 byte, > limiting the reportable register width to 255 bits. Larger registers will > cause a length mismatch warning to be printed in acpi_tb_validate_fadt(). > > To avoid the warning, disable the length mismatch check for registers > larger than 255 bits. > > Signed-off-by: Linn Crosetto <linn@xxxxxx> > --- > drivers/acpi/acpica/tbfadt.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/acpi/acpica/tbfadt.c b/drivers/acpi/acpica/tbfadt.c > index 74181bf..e87abcd 100644 > --- a/drivers/acpi/acpica/tbfadt.c > +++ b/drivers/acpi/acpica/tbfadt.c > @@ -561,6 +561,7 @@ static void acpi_tb_validate_fadt(void) > * legacy length field and the corresponding 64-bit X length > field. > */ > if (address64->address && > + ACPI_MUL_8(length) <= ACPI_UINT8_MAX && > (address64->bit_width != ACPI_MUL_8(length))) { > ACPI_BIOS_WARNING((AE_INFO, > "32/64X length mismatch in FADT/%s: > %u/%u", > -- > 1.7.11.3 -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
