Messages in this thread | | | Date | Wed, 4 Oct 2023 16:03:31 +0300 (EEST) | From | Ilpo Järvinen <> | Subject | Re: [PATCH v2 1/3] platform/x86/intel/tpmi: Add defines to get version information |
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On Wed, 4 Oct 2023, 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)
In case somebody does, please do it on top of the existing changes as I already applied the series.
-- i.
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