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Message-ID: <Pine.LNX.4.61.0705142158340.9570@yvahk01.tjqt.qr>
Date: Mon, 14 May 2007 22:00:53 +0200 (MEST)
From: Jan Engelhardt <jengelh@...ux01.gwdg.de>
To: "Lars K.W. Gohlke" <lkwg82@....de>
cc: linux-kernel@...r.kernel.org
Subject: Re: How to access correctly serial port inside module?
On May 14 2007 19:40, Lars K.W. Gohlke wrote:
>>
>> hallo,
>>
>> after searching the mailing list and searching the web, I still don't
>> know how to access correctly the serial port (in user space known as
>> /dev/ttyS01)
http://kernelnewbies.org/FAQ/WhyWritingFilesFromKernelIsBad
>> This thread ends before the answer was given and the site redirecting
>> too is restructured:
>> http://marc.info/?l=kernelnewbies&m=98314502419089&w=2
>>
>> would somebody be so kind to give me an example:
>>
>> with this behaviour:
>>
>> 1. read from port
>> 2. output via printk()
>> 3. write to port
inb/inw/inl, printk, outb/outw/outl.
>> I've created already my own char-dev and used it in user-space.
>> However I don't know really how to get information from kernel-code to
>> solve this.
http://lwn.net/Kernel/LDD3/
> would be somebody so polite and give me at least a hint?
> Where to search concretely, or small template.
It's been 4 hours and 40 minutes, and you already expect an answer?
I don't remember you having paid anyone...
Jan
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