public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: "H. Peter Anvin" <hpa@zytor.com>
To: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: joeyli <jlee@suse.com>, Alessandro Zummo <a.zummo@towertech.it>,
	Matt Fleming <matt@console-pimps.org>,
	Matthew Garrett <matthew.garrett@nebula.com>,
	Elliott@hp.com, samer.el-haj-mahmoud@hp.com,
	Oliver Neukum <oneukum@suse.de>,
	werner@suse.com, trenn@suse.de, JBeulich@suse.com,
	linux-kernel@vger.kernel.org, rtc-linux@googlegroups.com,
	x86@kernel.org,
	"linux-efi@vger.kernel.org" <linux-efi@vger.kernel.org>,
	linux-acpi@vger.kernel.org, Borislav Petkov <bp@suse.de>
Subject: Re: [RFC PATCH 00/14] Support timezone of ACPI TAD and EFI TIME
Date: Fri, 20 Dec 2013 13:43:38 -0800	[thread overview]
Message-ID: <52B4BA0A.1030902@zytor.com> (raw)
In-Reply-To: <2787644.ytU7M33B4r@vostro.rjw.lan>

On 12/20/2013 01:45 PM, Rafael J. Wysocki wrote:
> 
> My understanding, however, is that to use the TAD, we don't actually need to
> create a struct acpi_device for it.  We just need a handle to the ACPICA
> object which can be found using acpi_get_devices() as soon as the namespace
> has been extracted from the DSDT and friends.  That in turn happens in
> acpi_early_init(), which is called from start_kernel() right before
> efi_late_init().
> 
> Is that early enough?
> 

Possibly... will have to investigate.  I would also ask if the same
applies to the PNP0B0x devices -- all we really need there is the
presence/absence indication and the I/O port base.

	-hpa



  reply	other threads:[~2013-12-20 21:44 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-19  7:43 [RFC PATCH 00/14] Support timezone of ACPI TAD and EFI TIME Lee, Chun-Yi
2013-12-19  7:44 ` [PATCH 01/14] rtc-efi: fix decrease day twice when computing year days Lee, Chun-Yi
2013-12-19  7:44 ` [PATCH 03/14] rtc: block registration of rtc-cmos when CMOS RTC Not Present Lee, Chun-Yi
2013-12-19 14:38   ` H. Peter Anvin
2013-12-20  3:54     ` joeyli
2013-12-20  4:20       ` H. Peter Anvin
2013-12-19 14:59 ` [RFC PATCH 00/14] Support timezone of ACPI TAD and EFI TIME H. Peter Anvin
2013-12-19 16:04   ` Alessandro Zummo
2013-12-20  4:05   ` joeyli
2013-12-20  4:22     ` H. Peter Anvin
2013-12-20  5:38       ` joeyli
2013-12-20 21:10         ` H. Peter Anvin
2013-12-20 21:25           ` H. Peter Anvin
2013-12-20 21:45           ` Rafael J. Wysocki
2013-12-20 21:43             ` H. Peter Anvin [this message]
2013-12-20 21:50               ` Matt Fleming
2013-12-20 22:18                 ` Rafael J. Wysocki
2013-12-21 12:21                   ` Matt Fleming
2014-01-12  0:30                     ` [RFT][PATCH] ACPI / init: Run acpi_early_init() before efi_enter_virtual_mode() (was: Re: [RFC PATCH 00/14] Support timezone of ACPI TAD and EFI TIME) Rafael J. Wysocki
2014-01-12  9:06                       ` Borislav Petkov
2014-01-14  2:04                         ` Toshi Kani
2014-01-14 16:25                           ` Toshi Kani
2014-01-12 11:05                       ` Matt Fleming
2014-01-17 12:20                         ` Matt Fleming
2014-01-14  4:09                       ` joeyli
2014-01-14 16:50                         ` Rafael J. Wysocki
2014-01-14 18:00                         ` [RFT][PATCH] ACPI / init: Run acpi_early_init() before efi_enter_virtual_mode() H. Peter Anvin
2014-01-14 20:32                           ` Toshi Kani
2014-01-15  7:18                             ` joeyli
2013-12-21  2:43             ` [RFC PATCH 00/14] Support timezone of ACPI TAD and EFI TIME joeyli
2013-12-20 10:53       ` Thomas Renninger
2013-12-20 22:15         ` H. Peter Anvin
2013-12-20 15:16       ` Matthew Garrett
2013-12-20 16:57         ` H. Peter Anvin
2013-12-20 16:58           ` Matthew Garrett
2013-12-20 20:29             ` H. Peter Anvin
2013-12-20 20:32               ` Matthew Garrett
2013-12-20 21:14                 ` H. Peter Anvin
2013-12-20 21:12         ` H. Peter Anvin
  -- strict thread matches above, loose matches on Subject: below --
2013-12-19  7:51 Lee, Chun-Yi

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=52B4BA0A.1030902@zytor.com \
    --to=hpa@zytor.com \
    --cc=Elliott@hp.com \
    --cc=JBeulich@suse.com \
    --cc=a.zummo@towertech.it \
    --cc=bp@suse.de \
    --cc=jlee@suse.com \
    --cc=linux-acpi@vger.kernel.org \
    --cc=linux-efi@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=matt@console-pimps.org \
    --cc=matthew.garrett@nebula.com \
    --cc=oneukum@suse.de \
    --cc=rjw@rjwysocki.net \
    --cc=rtc-linux@googlegroups.com \
    --cc=samer.el-haj-mahmoud@hp.com \
    --cc=trenn@suse.de \
    --cc=werner@suse.com \
    --cc=x86@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox