Messages in this thread | | | From | "Moore, Robert" <> | Subject | RE: [PATCH] mailbox: pcc: Support HW-Reduced Communication Subspace Type 2 | Date | Fri, 8 Apr 2016 19:33:20 +0000 |
| |
Please send me the patch to actbl3.h
> -----Original Message----- > From: Sudeep Holla [mailto:sudeep.holla@arm.com] > Sent: Friday, April 08, 2016 5:58 AM > To: hotran > Cc: Jassi Brar; Rafael J. Wysocki; Len Brown; Moore, Robert; Zheng, Lv; > linux-kernel@vger.kernel.org; linux-acpi@vger.kernel.org; > devel@acpica.org; Sudeep Holla; lho@apm.com; dhdang@apm.com > Subject: Re: [PATCH] mailbox: pcc: Support HW-Reduced Communication > Subspace Type 2 > > Hi, > > On 05/04/16 23:14, hotran wrote: > > ACPI 6.1 has a HW-Reduced Communication Subspace Type 2 intended for > > use on HW-Reduce ACPI Platform, which requires read-modify-write > > sequence to acknowledge doorbell interrupt. This patch provides the > > implementation for the Communication Subspace Type 2. > > > > Signed-off-by: Hoan Tran <hotran@apm.com> > > --- > > drivers/mailbox/pcc.c | 384 > > +++++++++++++++++++++++++++++++++++++------------- > > > include/acpi/actbl3.h | 8 +- > > This(2nd) file is generally imported from ACPICA directly. > > So you need to work with acpica-devel list(you can cc Robert Moore) to get > that alone integrated in acpica projected so that iasl tool and other > related components also gain support for this first. > > If the ACPI tables are generated by UEFI, it would be good to add the > support in tianocore project. IIRC tianocore has some PCC reference in > Acpi60.h header. > > It would help if the above two are done before we start looking into Linux > changes(pcc.c). To summarize this patch needs to be split. > > -- > Regards, > Sudeep
| |