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From: Wolfgang Grandegger <wg@grandegger.com>
To: lm-sensors@vger.kernel.org
Subject: Re: [lm-sensors] New style driver for w83781d?
Date: Tue, 12 Aug 2008 09:28:54 +0000	[thread overview]
Message-ID: <48A157D6.5080200@grandegger.com> (raw)
In-Reply-To: <4899A4F7.70201@grandegger.com>

Jean Delvare wrote:
> Hi Wolfgang,
> 
> On Tue, 12 Aug 2008 10:55:58 +0200, Wolfgang Grandegger wrote:
>> We need support for the MON35W42 on an embedded MPC8544 board, which 
>> seems to be compatible with the w83782d. There are more issues, e.g. the 
>> early ISA bus probing of the existing driver hangs the system. Maybe i2c 
>> probing should be done first!?
> 
> If both interfaces are available, we want to use the ISA one, because
> it's much faster, so it must be registered first.
> 
> What could be done though would be disabling the ISA interface
> altogether on architectures where it isn't supported (in particular
> PPC.) This shouldn't be too difficult. If you write a patch doing this,
> I'll be happy to review it. Affected drivers would be w83781d and lm78.

Some PPC have an ISA bus as well:

   http://lxr.linux.no/linux+v2.6.26.2/arch/powerpc/Kconfig#L494

I think selecting the ISA code with '#ifdef CONFIG_ISA' would be the 
right solution?

Wolfgang.

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  parent reply	other threads:[~2008-08-12  9:28 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-08-06 13:19 [lm-sensors] New style driver for w83781d? Wolfgang Grandegger
2008-08-06 13:40 ` Jean Delvare
2008-08-07  6:49 ` Wolfgang Grandegger
2008-08-07  7:42 ` Jean Delvare
2008-08-12  8:55 ` Wolfgang Grandegger
2008-08-12  8:59 ` Jean Delvare
2008-08-12  9:28 ` Wolfgang Grandegger [this message]
2008-08-12  9:50 ` Jean Delvare
2008-08-13 10:14 ` Wolfgang Grandegger
2008-08-13 13:18 ` Jean Delvare
2008-08-13 13:48 ` Wolfgang Grandegger
2008-08-13 14:05 ` Wolfgang Grandegger
2008-08-13 14:13 ` Jean Delvare

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