Re: [PATCH] I2C: Make I2C core able to be module when I2C_ACPI is selected.

[Mika Westerberg]

On Mon, Aug 11, 2014 at 03:00:55PM +0800, Lan Tianyu wrote:
> Commit da3c6647(I2C/ACPI: Clean up I2C ACPI code and Add CONFIG_I2C_ACPI
> config) adds a new kernel config I2C_ACPI and make I2C core built in
> when the config is selected. This is wrong because distributions
> etc generally compile I2C as a module and the commit broken that.
> This patch is to make I2C core able to be a module when I2C_ACPI is
> selected. Original issue the commit da3c6647 tried to avoid will
> be fixed in ACPICA and it's rarely triggered during unloading module. 
> 
> Signed-off-by: Lan Tianyu <tianyu.lan@xxxxxxxxx>

I wonder if we can do

	depends on I2C=y

here? If I understand it right, then we only build the ACPI_I2C if I2C
is compiled into the kernel. That way the problem da3c6647 tried to
solve doens't re-appear.

We can later on relax this once ACPICA has been fixed. Thoughts?
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