linux-kernel - Re: [RFC PATCH 1/6] Introduce acpi_match_device

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Date:	Mon, 1 Oct 2012 09:37:53 +0300
From:	Mika Westerberg <mika.westerberg@...ux.intel.com>
To:	"Zhang, Rui" <rui.zhang@...el.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	linux-pm <linux-pm@...ts.linux-foundation.org>,
	linux-i2c <linux-i2c@...r.kernel.org>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	"Len, Brown" <lenb@...nel.org>, "Rafael J. Wysocki" <rjw@...k.pl>,
	Grant Likely <grant.likely@...retlab.ca>,
	Dirk Brandewie <dirk.brandewie@...il.com>
Subject: Re: [RFC PATCH 1/6] Introduce acpi_match_device_id().

On Sat, Sep 29, 2012 at 01:31:52PM +0000, Zhang, Rui wrote:
>  
> > > +{
> > > +	acpi_handle handle = DEVICE_ACPI_HANDLE(dev);
> > 
> > If the device is not bound to an ACPI handle this will return NULL. And
> > I don't see you doing that in this series meaning that..
> > 
> 
> 
> You're right, I should set pdev->archdata.acpi_handle to the I2C
> controller in i2c_root.c.

There already is an API for that - check drivers/acpi/glue.c.
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