On Wed, 2023-10-04 at 15:59 +0300, Andy Shevchenko wrote: > On Tue, Oct 03, 2023 at 11:49:14AM -0700, Srinivas Pandruvada wrote: > > Add defines to get major and minor version from a TPMI version > > field > > value. This will avoid code duplication to convert in every feature > > driver. Also add define for invalid version field. > > ... > > > +#define TPMI_VERSION_INVALID 0xff > > I would make it clearer with (GENMASK(7, 5) | GENMASK(4, 0)) > or even with specific masks defined and used in both cases: > #def > > #define TPMI_MINVER_MASK GENMASK(4, 0) > #define TPMI_MAJVER_MASK GENMASK(7, 5) > > #define TPMI_VERSION_INVALID (TPMI_MINVER_MASK | TPMI_MAJVER_MASK) > > #define TPMI_MINOR_VERSION(val) FIELD_GET(TPMI_MINVER_MASK, val) > #define TPMI_MAJOR_VERSION(val) FIELD_GET(TPMI_MAJVER_MASK, val) > > > +#define TPMI_MINOR_VERSION(val) FIELD_GET(GENMASK(4, 0), > > val) > > +#define TPMI_MAJOR_VERSION(val) FIELD_GET(GENMASK(7, 5), > > val) OK. Will add another patch on top. Thanks, Srinivas >
