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From: Arnd Bergmann <arnd@arndb.de>
To: linuxppc-dev@ozlabs.org
Cc: akpm@osdl.org, tilmann@bitterberg.de, Sven Luther <sl@bplan-gmbh.de>
Subject: Re: [PATCH] enable RTAS /proc for PowerPC/CHRP platform
Date: Wed, 18 Oct 2006 00:22:23 +0200	[thread overview]
Message-ID: <200610180022.24631.arnd@arndb.de> (raw)
In-Reply-To: <20061017132243.GA6773@lst.de>

On Tuesday 17 October 2006 15:22, Christoph Hellwig wrote:
> > =A0=A0=A0=A0=A0=A0rtas_node =3D of_find_node_by_name(NULL, "rtas");
> > =A0=A0=A0=A0=A0=A0if (rtas_node =3D=3D NULL)
> > =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0return -ENODEV;
>=20
> And given this check I wonder why we need the platform check at all. =A0It
> should be safe to just remove it.
>=20

One difference would be that it triggers on machines running SLOF (QS20,=20
some JS20/JS21) and maybe some older Macs, which is probably a good
thing.

I wonder if it should be a little stricter though:

> 	rtas_node =3D of_find_node_by_path("/rtas");
>	if (!rtas_node)
>		return -ENODEV;

In case there is a node called "rtas" somewhere else.

	Arnd <><

  reply	other threads:[~2006-10-18 13:53 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-10-17 11:29 [PATCH] enable RTAS /proc for PowerPC/CHRP platform Nicolas DET
2006-10-17 13:22 ` Christoph Hellwig
2006-10-17 22:22   ` Arnd Bergmann [this message]
2006-10-18 22:39     ` Benjamin Herrenschmidt
2006-10-20  8:13     ` Nicolas DET
2006-10-18  5:51   ` Nicolas DET
2006-10-18  6:05     ` Sven Luther
2006-10-18  6:15     ` Michael Ellerman
2006-10-18  6:34       ` Nicolas DET
2006-10-18  7:38       ` Olaf Hering
2006-10-18 22:38         ` Benjamin Herrenschmidt
2006-10-19  7:03           ` Olaf Hering
2006-10-19 23:35             ` Benjamin Herrenschmidt
2006-10-20  5:44               ` Olaf Hering
2006-10-20  5:56                 ` Benjamin Herrenschmidt
2006-10-20  6:24                   ` Sven Luther
2006-10-20  6:44                     ` Olaf Hering
2006-10-20  6:58                       ` Sven Luther
2006-10-20  7:12                         ` Benjamin Herrenschmidt
2006-10-20  7:36                           ` Sven Luther
2006-10-20  8:16                             ` Benjamin Herrenschmidt
2006-10-20  7:20                         ` Olaf Hering
2006-10-20  7:37                           ` Sven Luther
2006-10-20  7:49                             ` Olaf Hering
2006-10-20  8:12                             ` Segher Boessenkool
2006-10-20  8:52                               ` Sven Luther
2006-10-20 10:00                                 ` Olaf Hering
2006-10-20 13:59                                   ` Segher Boessenkool
2006-10-20  7:11                       ` Benjamin Herrenschmidt
2006-10-20  7:14                         ` Olaf Hering
2006-10-20  7:36                           ` Benjamin Herrenschmidt
2006-10-20 10:01                       ` Paul Mackerras

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