Yes, it really looks like a bug in the firmware. Still, Windows works correctly without any special support. What is the policy for ACPICA in this case where Windows works in a spec-violating way? Adam On Wed, May 20, 2015 at 1:07 PM, Moore, Robert <robert.moore@xxxxxxxxx> wrote: > Then perhaps this is where the machine is violating the ACPI specification: > > > 6.5.1 _INI (Init) > > The _INI method must only access Operation Regions that have been indicated to be available as defined by the _REG method. > > > > >> -----Original Message----- >> From: Adam Goode [mailto:agoode@xxxxxxxxxx] >> Sent: Wednesday, May 20, 2015 9:56 AM >> To: Moore, Robert >> Cc: Zheng, Lv; Lan, Tianyu; linux-acpi@xxxxxxxxxxxxxxx; devel@xxxxxxxxxx >> Subject: Re: [Devel] Correct place to send patches? >> >> No, I did not see a _REG method defined in the code. >> >> >> Adam >> >> >> On Wed, May 20, 2015 at 12:46 PM, Moore, Robert <robert.moore@xxxxxxxxx> >> wrote: >> > Does the CMOS operation region have a _REG method? >> > >> > >> > >> > >> > >> > From: Zheng, Lv >> > Sent: Tuesday, May 19, 2015 11:03 PM >> > To: Zheng, Lv; Moore, Robert; Adam Goode; Lan, Tianyu >> > Cc: linux-acpi@xxxxxxxxxxxxxxx; devel@xxxxxxxxxx >> > >> > >> > Subject: RE: [Devel] Correct place to send patches? >> > >> > >> > >> > Since no reply from Tianyu… >> > >> > What if we move _INI invocation out of ACPICA, and let OSPM to invoke >> it. >> > >> > >> > >> > Thanks >> > >> > -Lv >> > >> > >> > >> > From: Devel [mailto:devel-bounces@xxxxxxxxxx] On Behalf Of Zheng, Lv >> > Sent: Thursday, May 14, 2015 8:33 AM >> > To: Moore, Robert; Adam Goode; Lan, Tianyu >> > Cc: linux-acpi@xxxxxxxxxxxxxxx; devel@xxxxxxxxxx >> > Subject: Re: [Devel] Correct place to send patches? >> > >> > >> > >> > You should discuss this in the linux-acpi mailing list where the Linux >> > CMOS opregion driver is implemented, reviewed, and merged. >> > >> > Let me Cc Tianyu who is the original author of the CMOS opregion driver. >> > >> > >> > >> > Thanks >> > >> > -Lv >> > >> > >> > >> > From: Moore, Robert >> > Sent: Wednesday, May 13, 2015 10:25 PM >> > To: Adam Goode; Zheng, Lv >> > Cc: devel@xxxxxxxxxx >> > Subject: RE: [Devel] Correct place to send patches? >> > >> > >> > >> > I’ll have to let Lv answer this question. >> > >> > >> > >> > >> > >> > From: Adam Goode [mailto:agoode@xxxxxxxxxx] >> > Sent: Wednesday, May 13, 2015 7:23 AM >> > To: Moore, Robert >> > Cc: devel@xxxxxxxxxx >> > Subject: Re: [Devel] Correct place to send patches? >> > >> > >> > >> > The problem is that on new Apple hardware (Macmini7,1 and others), the >> > system reads and writes from CMOS in _INI. With no CMOS handler, the >> > Thunderbolt device doesn't initialize correctly. >> > >> > >> > >> > The current framework in Linux doesn't register the PNP* CMOS devices >> > until after _INI runs. Do you have a suggestion on what to do in this >> > case? Is it possible to register a device driver before _INI runs? >> > >> > >> > >> > >> > >> > Thanks, >> > >> > >> > >> > Adam >> > >> > >> > >> > >> > >> > On Wed, May 13, 2015 at 4:07 PM, Moore, Robert >> > <robert.moore@xxxxxxxxx> >> > wrote: >> > >> > Actually, I had a question about this. >> > >> > >> > >> > Given that the CMOS device has a _HID and requires a device driver >> > (there can be multiple types of CMOS devices), in ACPICA we decided >> > that we could not provide CMOS interfaces. >> > >> > >> > >> > What problem does this patch solve, and how will it work in the face >> > of different CMOS devices? >> > >> > >> > >> > Thanks, >> > >> > Bob >> > >> > >> > >> > >> > >> > From: Devel [mailto:devel-bounces@xxxxxxxxxx] On Behalf Of Adam Goode >> > Sent: Wednesday, May 13, 2015 4:53 AM >> > To: devel@xxxxxxxxxx >> > Subject: [Devel] Correct place to send patches? >> > >> > >> > >> > Hi, >> > >> > >> > >> > Is this the correct place to send patches for review? I have a patch >> > from a few weeks ago >> > (https://lists.acpica.org/pipermail/devel/2015-May/000698.html) that I >> > would like feedback on. >> > >> > >> > >> > >> > >> > Thanks, >> > >> > >> > >> > Adam >> > >> > >> > >> > -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
