From: Segher Boessenkool <segher@kernel.crashing.org>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Christian Krafft <krafft@de.ibm.com>,
Olaf Hering <olaf@aepfle.de>,
linuxppc-dev@ozlabs.org
Subject: Re: [PATCH] generic check_legacy_ioport
Date: Wed, 25 Apr 2007 15:33:05 +0200 [thread overview]
Message-ID: <3f8a4cde6b06ee98203d62dc33c1630f@kernel.crashing.org> (raw)
In-Reply-To: <200704250949.17795.arnd@arndb.de>
>> SLOF/JS21 (at least some versions of it) have an "ipmi"
>> node on the "isa" bus. =A0And the kernel ipmi driver actually
>> works on it, too (no idea about the currently proposed
>> scanning though -- but the principle is correct at least).
>
> It won'd be found by the of_platform_driver part of ipmi,
> since devices on the ISA bus do not get added to the linux
> device tree.
Drat. Why not?
> If the ipmi node on the ISA bus is located at the standardized
> legacy I/O port range, it should get found by the later probing,
> if check_legacy_ioport allows it.
"Standardised" hahaha. No, it is at some other
address.
> We might still want to have the driver use a proper of_device,
> which would require the maple platform code to add this device
> during probing.
That sounds like the only option then. Does
this have to be done per platform though? It
sounds perfectly safe to do it in more generic
code.
Segher
next prev parent reply other threads:[~2007-04-25 13:33 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-17 21:07 [PATCH] generic check_legacy_ioport Olaf Hering
2007-04-17 21:22 ` Arnd Bergmann
2007-04-17 23:28 ` Segher Boessenkool
2007-04-20 18:51 ` Olaf Hering
2007-04-22 5:15 ` Milton Miller
2007-04-22 6:46 ` Olaf Hering
2007-04-23 8:15 ` [PATCH] " Olaf Hering
2007-04-24 0:53 ` Benjamin Herrenschmidt
2007-04-24 11:25 ` Olaf Hering
2007-04-24 15:45 ` Milton Miller
2007-04-24 18:54 ` Olaf Hering
2007-04-24 22:01 ` Arnd Bergmann
2007-04-25 0:12 ` Benjamin Herrenschmidt
2007-04-25 1:54 ` Segher Boessenkool
2007-04-25 7:49 ` Arnd Bergmann
2007-04-25 13:33 ` Segher Boessenkool [this message]
2007-04-25 22:02 ` Arnd Bergmann
2007-04-25 0:09 ` Benjamin Herrenschmidt
2007-04-24 22:34 ` Benjamin Herrenschmidt
2007-04-25 20:36 ` Olaf Hering
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