From: Mark Brown <broonie@kernel.org>
To: Octavian Purdila <octavian.purdila@intel.com>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Len Brown <lenb@kernel.org>,
Matt Fleming <matt@codeblueprint.co.uk>,
Wolfram Sang <wsa@the-dreams.de>,
Joel Becker <jlbec@evilplan.org>, Christoph Hellwig <hch@lst.de>,
"linux-acpi@vger.kernel.org" <linux-acpi@vger.kernel.org>,
linux-efi@vger.kernel.org, linux-i2c <linux-i2c@vger.kernel.org>,
linux-spi@vger.kernel.org, lkml <linux-kernel@vger.kernel.org>,
Irina Tirdea <irina.tirdea@intel.com>
Subject: Re: [RFC PATCH 06/10] spi: add support for ACPI reconfigure notifications
Date: Mon, 4 Apr 2016 09:03:27 -0700 [thread overview]
Message-ID: <20160404160327.GH2350@sirena.org.uk> (raw)
In-Reply-To: <CAE1zotKDZd2mYmzoQvCPgVrZ5vfOrPDtBRzTscdsqrZbT8Z+cg@mail.gmail.com>
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On Mon, Apr 04, 2016 at 01:25:56PM +0300, Octavian Purdila wrote:
> On Sat, Apr 2, 2016 at 7:24 PM, Mark Brown <broonie@kernel.org> wrote:
> > What I don't understand is why the flow on inital probe isn't simply to
> > register the controller which then triggers the walk of the children.
> > That way any bus that supports initial probe also supports hotplug
> > without needing to go and manually add a second code path.
> Do you mean register the notifier per controller instead of per
> subsystem? Either way we need changes at the subsystem level and I
> choose to follow the device tree implementation for consistency.
No! I mean use the exact same callback you've got now for everything.
> The other reason is that (pending other ACPICA changes) we can add
> other notification events in the future such as node added or removed
> (just like device tree), and in that case the probe and hotplug
> handling would be different (and a bit more efficient).
Why is probe different to hotplug? We don't need to do that in the
normal driver model.
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next prev parent reply other threads:[~2016-04-04 16:03 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-31 9:36 [RFC PATCH 00/10] ACPI overlays Octavian Purdila
2016-03-31 9:36 ` [RFC PATCH 01/10] kernel: add TAINT_OVERLAY_ACPI_TABLE Octavian Purdila
2016-03-31 9:36 ` [RFC PATCH 02/10] acpi: install SSDT tables from initrd Octavian Purdila
2016-04-01 5:05 ` Zheng, Lv
2016-04-01 5:05 ` Zheng, Lv
2016-04-01 10:11 ` Octavian Purdila
[not found] ` <CAE1zotJ1fa4m-_FO3PUQK8_p0vHcfWD5TmuMdxOSHDjku421pA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-04-04 13:07 ` Octavian Purdila
2016-04-04 13:07 ` Octavian Purdila
2016-04-05 0:49 ` Zheng, Lv
2016-04-05 7:23 ` Octavian Purdila
2016-04-06 6:15 ` Zheng, Lv
2016-04-05 0:57 ` Zheng, Lv
2016-04-05 0:57 ` Zheng, Lv
2016-03-31 9:36 ` [RFC PATCH 03/10] acpi: add support for ACPI reconfiguration notifiers Octavian Purdila
2016-03-31 9:37 ` [RFC PATCH 04/10] acpi: fix enumeration (visited) flags for bus rescans Octavian Purdila
2016-03-31 9:37 ` [RFC PATCH 05/10] i2c: add support for ACPI reconfigure notifications Octavian Purdila
2016-03-31 9:37 ` [RFC PATCH 06/10] spi: " Octavian Purdila
[not found] ` <1459417026-6697-7-git-send-email-octavian.purdila-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2016-03-31 17:29 ` Mark Brown
2016-03-31 17:29 ` Mark Brown
2016-04-01 10:54 ` Octavian Purdila
2016-04-01 14:08 ` Mark Brown
2016-04-01 19:26 ` Rafael J. Wysocki
2016-04-02 16:24 ` Mark Brown
2016-04-04 10:25 ` Octavian Purdila
2016-04-04 16:03 ` Mark Brown [this message]
2016-04-04 19:34 ` Octavian Purdila
[not found] ` <CAE1zot+ESGBEYeUbLTreKfkc-6B45uQq3PWhhRfBo1AWd-7Vxw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-04-04 21:18 ` Rafael J. Wysocki
2016-04-04 21:18 ` Rafael J. Wysocki
[not found] ` <CAJZ5v0gV8N6zgVrwtRFaY98Wv1HsoKs+4=U-s_V29FSpCdFW3g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-04-05 11:49 ` Octavian Purdila
2016-04-05 11:49 ` Octavian Purdila
2016-04-05 18:32 ` Mark Brown
[not found] ` <20160405183255.GH1924-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2016-04-05 19:16 ` Octavian Purdila
2016-04-05 19:16 ` Octavian Purdila
[not found] ` <CAE1zotL7X+di4rHecRW_G-45wUPbbNb9jvn3C_zjD4XttZ4v3w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-04-05 21:20 ` Mark Brown
2016-04-05 21:20 ` Mark Brown
2016-04-05 18:24 ` Mark Brown
2016-04-05 18:24 ` Mark Brown
[not found] ` <1459417026-6697-1-git-send-email-octavian.purdila-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2016-03-31 9:37 ` [RFC PATCH 07/10] efi: load SSTDs from EFI variables Octavian Purdila
2016-03-31 9:37 ` Octavian Purdila
2016-03-31 9:37 ` [RFC PATCH 08/10] configfs: fix CONFIGFS_BIN_ATTR_[RW]O definitions Octavian Purdila
2016-03-31 9:37 ` [RFC PATCH 09/10] acpi: add support for configfs Octavian Purdila
2016-03-31 9:37 ` [RFC PATCH 10/10] acpi: add support for loading SSDTs via configfs Octavian Purdila
[not found] ` <1459417026-6697-11-git-send-email-octavian.purdila-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2016-04-01 4:55 ` Zheng, Lv
2016-04-01 4:55 ` Zheng, Lv
2016-04-01 4:55 ` Zheng, Lv
[not found] ` <1AE640813FDE7649BE1B193DEA596E883BB66233-0J0gbvR4kThpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2016-04-01 10:01 ` Octavian Purdila
2016-04-01 10:01 ` Octavian Purdila
2016-04-05 3:11 ` Zheng, Lv
[not found] ` <1AE640813FDE7649BE1B193DEA596E883BB6677B-0J0gbvR4kThpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2016-04-05 8:21 ` Octavian Purdila
2016-04-05 8:21 ` Octavian Purdila
2016-04-06 6:05 ` Zheng, Lv
[not found] ` <1AE640813FDE7649BE1B193DEA596E883BB66B8C-0J0gbvR4kThpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2016-04-06 18:46 ` Octavian Purdila
2016-04-06 18:46 ` Octavian Purdila
[not found] ` <CAE1zotKa+t5cxznWfPyQ599k9ZB=akOuEDZusWcJgzux8wqp5A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-04-07 2:42 ` Zheng, Lv
2016-04-07 2:42 ` Zheng, Lv
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