linux-kernel - Re: serio interface

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Date:	Wed, 06 Jun 2007 13:36:29 +0200
From:	"Lars K.W. Gohlke" <lkwg82@....de>
To:	"Lars K.W. Gohlke" <lkwg82@....de>, linux-kernel@...r.kernel.org
Subject: Re: serio interface

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Jan-Benedict Glaw schrieb:
> On Wed, 2007-06-06 12:52:13 +0200, Lars K.W. Gohlke <lkwg82@....de> wrote:
>> Jan-Benedict Glaw schrieb:
>>> On Wed, 2007-06-06 12:39:17 +0200, Lars K.W. Gohlke <lkwg82@....de> wrote:
>>>> Jan-Benedict Glaw schrieb:
>>>>> OTOH, why do you want to do the serial stuff in kernel land? Isn't it
>>>>> a *lot* easier to do it in userspace? What's your specific device you
>>>>> want to work on?
>>> You didn't actually answer any of my questions.
>
>> sorry.
>>
>> I want to use the interface aka /dev/ttyS0.
>> I want to process data inside of a kernel module to provide it /proc
>> (done) or as own char-dev (done).
>>
>> but I can not grab the data.
>>
>> It is part of my project in my studies.
>>
>> It is more a conceptual work, but important. I want to release a howto,
>> when I complete.
>
> You still answer unasked questions. Please answer inline:
>
>   * Why do you wanto to do the serial stuff in kernel land?
It is more a conceptual work, but important. I want to release a howto,
when I complete.
>
>   * Isn't it easier to do it in userspace?
yes
>
>   * What specific device do you work on?
I want to use the interface aka /dev/ttyS0. (text-stream)
>
>   * New: Is it a wise idea to do it in kernel land?
no, explicitly not. To get known hwo to deal with data from devices.
>
> The /proc filesystem has been somewhat obsoleted in favour of sysfs
> for device/driver information.
>

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