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From: Bjorn Helgaas <bjorn.helgaas@hp.com>
To: Jordan_Hargrave@dell.com
Cc: minyard@acm.org, Matt_Domsch@dell.com,
	alexey.y.starikovskiy@linux.intel.com,
	linux-acpi@vger.kernel.org,
	openipmi-developer@lists.sourceforge.net, lenb@kernel.org
Subject: Re: [Openipmi-developer] acpi_find_bmc() and acpi_get_table()
Date: Wed, 28 Feb 2007 15:35:31 -0700	[thread overview]
Message-ID: <200702281535.31329.bjorn.helgaas@hp.com> (raw)
In-Reply-To: <5DDAB7BA7BDB58439DD0EED0B8E9A3AE073884@ausx3mpc102.aus.amer.dell.com>

On Wednesday 28 February 2007 15:05, Jordan_Hargrave@dell.com wrote:
> The reason for the acpi_bus_register/unregister is to get the handle
> of the IPMI ACPI object.  There isn't a way to get the device handle
> otherwise.  Once it gets the handle it doesn't need the ACPI device
> anymore.

Well, but in a world of truth and beauty, we should treat the
interface as an ACPI device, and we really should only be using
it after acpi_ipmi_add() and before acpi_ipmi_remove().  So that
implies that we shouldn't call acpi_bus_unregister_driver() until
we're ready to unload the driver.

I have no idea how multiple IPMI devices should be handled.  But
some HP systems have several, and I think they can be hot-added
and removed.

Bjorn

  reply	other threads:[~2007-02-28 22:35 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-11  4:27 acpi_find_bmc() and acpi_get_table() Len Brown
2007-02-11  4:53 ` Corey Minyard
2007-02-11  5:28   ` Len Brown
2007-02-16  4:03 ` Bjorn Helgaas
2007-02-16  5:15   ` Corey Minyard
2007-02-20  4:31     ` Bjorn Helgaas
2007-02-20  6:46       ` Alexey Starikovskiy
2007-02-20 13:55         ` Corey Minyard
2007-02-25 21:59           ` Matt Domsch
2007-02-26 18:30             ` Jordan_Hargrave
2007-02-26 19:32               ` [Openipmi-developer] " Bjorn Helgaas
2007-02-26 20:06                 ` Jordan_Hargrave
2007-02-26 22:39                   ` Bjorn Helgaas
2007-02-28 21:42               ` Corey Minyard
2007-02-28 22:05                 ` Jordan_Hargrave
2007-02-28 22:35                   ` Bjorn Helgaas [this message]
2007-02-28 22:44                     ` Corey Minyard
2007-04-13 17:44               ` Bjorn Helgaas
2007-04-17 22:50                 ` Corey Minyard
2007-04-18 15:32                   ` [Openipmi-developer] " Bjorn Helgaas
2007-07-18 16:49               ` Jordan_Hargrave
2007-07-18 19:19                 ` Bjorn Helgaas
2007-07-19 16:32                   ` [Openipmi-developer] " Jordan_Hargrave
2007-07-19 18:50                     ` Bjorn Helgaas
2008-07-17 18:32                     ` [Openipmi-developer] " Bjorn Helgaas
2007-07-20 14:11                   ` Corey Minyard

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