linux-kernel - Re: A question on serial driver

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Message-ID: <CANYdXnr4B_EtvPcYXvqqgttK3w5y-+ABD-bdYEwAzbJRNnxqrg@mail.gmail.com>
Date:	Tue, 7 Aug 2012 14:19:54 +0530
From:	Shashidhar Hiremath <shashidharh@...avyalabs.com>
To:	richard -rw- weinberger <richard.weinberger@...il.com>
Cc:	lkml <linux-kernel@...r.kernel.org>
Subject: Re: A question on serial driver

Hi Richard,
   I am new to serial framework. Can you please elaborate on what you
mean by implementing a hangup ?
On Tue, Aug 7, 2012 at 2:06 PM, richard -rw- weinberger
<richard.weinberger@...il.com> wrote:
> On Tue, Aug 7, 2012 at 10:22 AM, Shashidhar Hiremath
> <shashidharh@...avyalabs.com> wrote:
>> Hi,
>>  I have written a console driver where I also do the serial driver
>> registration and handling. The driver seems to work fine till the
>> login point(reads and writes). The driver for some reason does not
>> print the content  I type on console after login prompt. Any reason
>> why this might be happening ?
>
> login and getty do a lot of TTY black magic, maybe you forgot to implement
> something like hangup()...
> Use strace to find out what the login programs are doing.
>
> --
> Thanks,
> //richard



-- 
regards,
Shashidhar Hiremath
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