linux-kernel - Re: [PATCH v2 3/3 UPDATED] i2c / ACPI: add ACPI enumeration support

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Message-ID: <20121118155539.GE17774@intel.com>
Date:	Sun, 18 Nov 2012 17:55:39 +0200
From:	Mika Westerberg <mika.westerberg@...ux.intel.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Bjorn Helgaas <bhelgaas@...gle.com>,
	Jean Delvare <khali@...ux-fr.org>, ben-linux@...ff.org,
	w.sang@...gutronix.de, linux-kernel@...r.kernel.org,
	lenb@...nel.org, rafael.j.wysocki@...el.com,
	broonie@...nsource.wolfsonmicro.com, grant.likely@...retlab.ca,
	linus.walleij@...aro.org, mathias.nyman@...ux.intel.com,
	linux-acpi@...r.kernel.org
Subject: Re: [PATCH v2 3/3 UPDATED] i2c / ACPI: add ACPI enumeration support

On Sat, Nov 17, 2012 at 12:24:45PM +0100, Rafael J. Wysocki wrote:
> Well, maybe there is one.  Perhaps we can make acpi_platform_notify() 
> call acpi_bind_one() upfront and only if that fails, do the whole
> type->find_device() dance?  Of course, acpi_bind_one() would need to
> be modified slightly too, like in the patch below.
> 
> If we did that, acpi_i2c_add_device() would only need to assign acpi_handle
> as appropriate before calling i2c_new_device() (and analogously for SPI).
> 
> What do you think? 

This is certainly better than the thing we use currently. It makes adding
I2C and SPI support much shorter and simpler. If others don't object I
would suggest that we switch to use this method.
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