I2C_PARPORT_LIGHT dependence problem

I2C_PARPORT_LIGHT dependence problem

[Adam Turk]

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Hello,

I am updating an old config to run on 2.6.23.14 and noticed I am still prompted for I2C_PARPORT_LIGHT even though I don't have the parallel port driver enabled.  Shouldn't I2C_PARPORT_LIGHT depend on the parallel port being selected?  Please email me as I am not subscribed to either list.

Thanks,

Symbol: I2C_PARPORT_LIGHT [=n]
  │ Prompt: Parallel port adapter (light)
  │   Defined at drivers/i2c/busses/Kconfig:348
  │   Depends on: I2C
  │   Location:
  │     -> Device Drivers
  │       -> I2C support (I2C [=m])
  │         -> I2C Hardware Bus support
  │   Selects: I2C_ALGOBIT

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Re: I2C_PARPORT_LIGHT dependence problem

[Jean Delvare]

Hi Adam,

On Sat, 19 Jan 2008 13:37:05 -0500, Adam Turk wrote:
> I am updating an old config to run on 2.6.23.14 and noticed I am
> still prompted for I2C_PARPORT_LIGHT even though I don't have
> the parallel port driver enabled.  Shouldn't I2C_PARPORT_LIGHT
> depend on the parallel port being selected? (...)
> 
> Symbol: I2C_PARPORT_LIGHT [=n]
>   │ Prompt: Parallel port adapter (light)
>   │   Defined at drivers/i2c/busses/Kconfig:348
>   │   Depends on: I2C
>   │   Location:
>   │     -> Device Drivers
>   │       -> I2C support (I2C [=m])
>   │         -> I2C Hardware Bus support
>   │   Selects: I2C_ALGOBIT

The help text says:

"This driver is a light version of i2c-parport.  It doesn't depend on
the parport driver, and uses direct I/O access instead."

So I think that the (lack of) dependencies is correct. We don't want to
force the user to select PARPORT (and built the parport driver) to get
access to the i2c-parport-light driver which does NOT need this parport
driver.

-- 
Jean Delvare
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Re: I2C_PARPORT_LIGHT dependence problem

[Adam Turk]

> Date: Sun, 20 Jan 2008 11:11:51 +0100
> From: khali@linux-fr.org
> To: bofh1234@hotmail.com
> CC: linux-kernel@vger.kernel.org; i2c@lm-sensors.org
> Subject: Re: I2C_PARPORT_LIGHT dependence problem
>
> Hi Adam,
>
> On Sat, 19 Jan 2008 13:37:05 -0500, Adam Turk wrote:
>> I am updating an old config to run on 2.6.23.14 and noticed I am
>> still prompted for I2C_PARPORT_LIGHT even though I don't have
>> the parallel port driver enabled. Shouldn't I2C_PARPORT_LIGHT
>> depend on the parallel port being selected? (...)
>>
>> Symbol: I2C_PARPORT_LIGHT [=n]
>> │ Prompt: Parallel port adapter (light)
>> │ Defined at drivers/i2c/busses/Kconfig:348
>> │ Depends on: I2C
>> │ Location:
>> │ -> Device Drivers
>> │ -> I2C support (I2C [=m])
>> │ -> I2C Hardware Bus support
>> │ Selects: I2C_ALGOBIT
>
> The help text says:
>
> "This driver is a light version of i2c-parport. It doesn't depend on
> the parport driver, and uses direct I/O access instead."
>
> So I think that the (lack of) dependencies is correct. We don't want to
> force the user to select PARPORT (and built the parport driver) to get
> access to the i2c-parport-light driver which does NOT need this parport
> driver.
>
> --
> Jean Delvare

Thanks for the clarification.
Adam
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