Re: [PATCH v2 1/3] ACPI/NFIT: Update Control Region Structure to comply ACPI 6.1

> -----Original Message----- > From: Toshi Kani [mailto:toshi.kani@hpe.com] > Sent: Monday, February 22, 2016 1:55 PM > To: rjw(a)rjwysocki.net; Williams, Dan J > Cc: Moore, Robert; Zheng, Lv; elliott(a)hpe.com; linux-nvdimm(a)lists.01.or > g; > linux-acpi(a)vger.kernel.org; linux-kernel(a)vger.kernel.org; > devel(a)acpica.org; Toshi Kani > Subject: [PATCH v2 1/3] ACPI/NFIT: Update Control Region Structure to > comply ACPI 6.1 > > ACPI 6.1, Table 5-133, updates NVDIMM Control Region Structure as > follows. >  - Valid Fields, Manufacturing Location, and Manufacturing Date >    are added from reserved range.  No change in the structure size. >  - IDs defined as SPD values are arrays of bytes.  The spec >    clarified that they need to be represented as arrays of bytes >    as well. > > This patch makes the following changes to support this update. >  - Change 'struct acpi_nfit_control_region' to reflect the update. >    SPD IDs are defined as arrays of bytes, so that they can be >    treated in the same way regardless of CPU endianness and are >    not miss-treated as little-endian numeric values. I don't think we are going to start changing the ACPI tables defined in the ACPICA headers because of this. We do in fact have macros for this purpose.