From: Arnd Bergmann <arnd@arndb.de>
To: Corey Minyard <minyard@acm.org>
Cc: linuxppc-dev@ozlabs.org,
openipmi-developer@lists.sourceforge.net,
Christian Krafft <krafft@de.ibm.com>
Subject: Re: [Openipmi-developer] [patch 1/1] ipmi: add autosensing of ipmi device on powerpc using device-tree
Date: Sat, 9 Dec 2006 12:44:05 +0100 [thread overview]
Message-ID: <200612091244.05862.arnd@arndb.de> (raw)
In-Reply-To: <4579FE4F.8000206@acm.org>
On Saturday 09 December 2006 01:07, Corey Minyard wrote:
> > I think the current representation is perfect. AFAICS, there are always
> > two registers, but depending on the HW implementation, they may be
> > between 1 and 4 bytes wide, and can have a different spacing.
> > =A0=20
> The BT and SMIC interfaces have three registers. =A0Does that break thing=
s?
>=20
It should still work, but I have to admit that at this point it gets ugly.
How about defining the properties just like the driver expects them:
reg <size> <len>: the area spanning all registers (2 or three)
reg-spacing <number>: offset of the start of each register (default 1)
reg-size <number>: length of each register (1, 2, or 4, default 1)
reg-shift <number>: bit-position of the data inside the register
(default 0).
Arnd <><
next prev parent reply other threads:[~2006-12-09 11:44 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-12-07 16:22 [patch 0/1] ipmi: add autosensing of ipmi device on powerpc using device-tree Christian Krafft
2006-12-07 16:24 ` [patch 1/1] " Christian Krafft
2006-12-08 10:24 ` Heiko Joerg Schick
2006-12-08 17:19 ` [Openipmi-developer] " Corey Minyard
2006-12-11 12:13 ` Christian Krafft
2006-12-08 18:59 ` Corey Minyard
2006-12-08 19:49 ` Arnd Bergmann
2006-12-08 22:50 ` Benjamin Herrenschmidt
2006-12-09 0:00 ` Arnd Bergmann
2006-12-09 0:07 ` Corey Minyard
2006-12-09 11:44 ` Arnd Bergmann [this message]
2006-12-10 18:42 ` Heiko J Schick
2006-12-11 10:11 ` Arnd Bergmann
2006-12-11 13:01 ` Heiko J Schick
2006-12-11 13:37 ` Segher Boessenkool
2006-12-11 13:18 ` Segher Boessenkool
2006-12-11 14:25 ` Arnd Bergmann
2006-12-11 16:28 ` Heiko J Schick
2006-12-11 16:58 ` Segher Boessenkool
2006-12-11 17:20 ` Christian Krafft
2006-12-11 16:54 ` Segher Boessenkool
2006-12-09 2:14 ` Benjamin Herrenschmidt
2006-12-09 9:46 ` Segher Boessenkool
2006-12-09 11:46 ` Arnd Bergmann
2006-12-08 0:41 ` [patch 0/1] " Paul Mackerras
2006-12-08 14:04 ` Arnd Bergmann
2006-12-08 17:17 ` [Openipmi-developer] " Corey Minyard
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