linux-kernel - Re: How to access correctly serial port inside module?

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Message-ID: <466516E7.2040401@gmx.de>
Date:	Tue, 05 Jun 2007 09:55:19 +0200
From:	"Lars K.W. Gohlke" <lkwg82@....de>
To:	linux-kernel@...r.kernel.org
CC:	tilman@...p.cc, huang.ying.caritas@...il.com,
	jengelh@...ux01.gwdg.de
Subject: Re: How to access correctly serial port inside module?

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Tilman Schmidt schrieb:
 > Am 17.05.2007 08:15 schrieb huang ying:
 >> I think the "serio" (through drivers/input/serio/serport.c) may be a
 >> choice too, like that in linux/drivers/input/mouse/sermouse.c, which
 >> is an example to program serial port in kernel space.
 >
 > Interesting. I wonder if that would have been a better choice for
 > the Gigaset M101 driver. It seems even to have a probe mechanism
 > so one could try to determine if the expected device is really
 > connected to the port.
 >
 > Is there any documentation on this interface? I find the source a
 > bit hard to understand, sparsely commented as it is.
 >
 > Thanks
 > Tilman
 >
how can I open ttyS1 with major=4 and minor=65?

Does anybody have some code to read from it the first e.g. 2bytes?

thx
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