linux-kernel - Re: [PATCH] mfd: Make MFD

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Date:	Mon, 18 Nov 2013 16:19:41 -0700
From:	Stephen Warren <swarren@...dotorg.org>
To:	Michal Marek <mmarek@...e.cz>, sameo@...ux.intel.com,
	lee.jones@...aro.org
CC:	ldewangan@...dia.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mfd: Make MFD_AS3722 depend on I2C=y

On 11/18/2013 10:25 AM, Michal Marek wrote:
> MFD_AS3722 can only be builtin, so it needs I2C builtin as well.
> With I2C=m, we get:
> 
> drivers/mfd/as3722.c:372: undefined reference to `devm_regmap_init_i2c'
> drivers/built-in.o: In function `as3722_i2c_driver_init':
> drivers/mfd/as3722.c:444: undefined reference to `i2c_register_driver'
> drivers/built-in.o: In function `as3722_i2c_driver_exit':
> drivers/mfd/as3722.c:444: undefined reference to `i2c_del_driver'

Shouldn't Kconfig handle this; if a Boolean config option depends on a
tri-state config option, shouldn't it automatically validate that the
tri-state is "y" not "m"?
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