From: Jean Delvare <khali-PUYAD+kWke1g9hUCZPvPmw@public.gmane.org>
To: "Richard Röjfors"
<richard.rojfors.lists-gfIc91nka+FZroRs9YW3xA@public.gmane.org>
Cc: Wolfram Sang <w.sang-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>,
linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: Registering I2C devices on X86
Date: Thu, 3 Jun 2010 08:21:03 +0200 [thread overview]
Message-ID: <20100603082103.4bdccd85@hyperion.delvare> (raw)
In-Reply-To: <4C0640A0.9070103-gfIc91nka+FZroRs9YW3xA@public.gmane.org>
On Wed, 02 Jun 2010 13:29:36 +0200, Richard Röjfors wrote:
> On 06/02/2010 01:04 PM, Jean Delvare wrote:
> > Richard, look at drivers/i2c/busses/i2c-i801.c, function i801_probe():
> > you'll see an example of per-platform I2C device instantiation on x86.
> > I'm not claiming it is elegant, but it works.
>
> The "problem" I see is that the CPU and the chipset + I2C chip will be populated on several
> different boards. It would mean that the I2C bus driver would need knowledge of all the boards where
> it is used. And the bus driver itself can not really detect which board it's running on.
>
> That is why I kept the I2C device setup in a separate driver. So each board would have a separate
> "setup" driver. Isn't that the most clean solution right now?
I have to admit I don't clearly understand what you are doing. It
should become clearer when I see your code.
--
Jean Delvare
next prev parent reply other threads:[~2010-06-03 6:21 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-02 10:12 Registering I2C devices on X86 Richard Röjfors
[not found] ` <4C062E70.3090409-gfIc91nka+FZroRs9YW3xA@public.gmane.org>
2010-06-02 10:36 ` Wolfram Sang
[not found] ` <20100602103650.GA4876-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2010-06-02 11:04 ` Jean Delvare
[not found] ` <20100602130408.1e732a0a-ig7AzVSIIG7kN2dkZ6Wm7A@public.gmane.org>
2010-06-02 11:29 ` Richard Röjfors
[not found] ` <4C0640A0.9070103-gfIc91nka+FZroRs9YW3xA@public.gmane.org>
2010-06-03 6:21 ` Jean Delvare [this message]
[not found] ` <20100603082103.4bdccd85-ig7AzVSIIG7kN2dkZ6Wm7A@public.gmane.org>
2010-06-03 12:39 ` Richard Röjfors
[not found] ` <4C07A26C.3070708-gfIc91nka+FZroRs9YW3xA@public.gmane.org>
2010-06-20 8:34 ` Jean Delvare
2010-06-14 7:26 ` Ben Dooks
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