On Tue, Oct 3, 2023 at 4:29 PM Sudeep Holla <sudeep.holla@xxxxxxx> wrote:
>
> On Tue, Oct 03, 2023 at 03:29:16PM +0200, Rafael J. Wysocki wrote:
> > On Wed, Sep 27, 2023 at 6:32 PM Sudeep Holla <sudeep.holla@xxxxxxx> wrote:
> > >
> > > Define the common macros to use when referring to various bitfields in
> > > the PCC generic communications channel command and status fields.
> > >
> > > Currently different drivers that need to use these bitfields have defined
> > > these locally. This common macro is intended to consolidate and replace
> > > those.
> > >
> > > Cc: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
> > > Signed-off-by: Sudeep Holla <sudeep.holla@xxxxxxx>
> > > ---
> > > include/acpi/pcc.h | 13 +++++++++++++
> > > 1 file changed, 13 insertions(+)
> > >
> > > diff --git a/include/acpi/pcc.h b/include/acpi/pcc.h
> > > index 73e806fe7ce7..021891a7434f 100644
> > > --- a/include/acpi/pcc.h
> > > +++ b/include/acpi/pcc.h
> > > @@ -18,7 +18,20 @@ struct pcc_mbox_chan {
> > > u16 min_turnaround_time;
> > > };
> > >
> > > +/* Generic Communications Channel Shared Memory Region */
> > > +#define PCC_SIGNATURE 0x50424300
> > > +/* Generic Communications Channel Command Field */
> > > +#define PCC_CMD_GENERATE_DB_INTR BIT(15)
> > > +/* Generic Communications Channel Status Field */
> > > +#define PCC_STATUS_CMD_COMPLETE BIT(0)
> > > +#define PCC_STATUS_SCI_DOORBELL BIT(1)
> > > +#define PCC_STATUS_ERROR BIT(2)
> > > +#define PCC_STATUS_PLATFORM_NOTIFY BIT(3)
> > > +/* Initiator Responder Communications Channel Flags */
> > > +#define PCC_CMD_COMPLETION_NOTIFY BIT(0)
> > > +
> > > #define MAX_PCC_SUBSPACES 256
> > > +
> > > #ifdef CONFIG_PCC
> > > extern struct pcc_mbox_chan *
> > > pcc_mbox_request_channel(struct mbox_client *cl, int subspace_id);
> > >
> > > --
> >
> > Do you want me to pick up this lot?
>
> I have applied this to me branch [1]. It also has long pending PCC driver
> changes. I will send the pull request by end of this week.
Sounds good, thanks!
