From: Steven Scholz <steven.scholz@imc-berlin.de>
To: Stephan Linke <Stephan.Linke@epygi.de>
Cc: Linuxppc-Embedded <linuxppc-embedded@lists.linuxppc.org>
Subject: Re: Using ioctl from with the kernel ???
Date: Tue, 12 Nov 2002 16:11:05 +0100 [thread overview]
Message-ID: <3DD11A09.B58EDAE0@imc-berlin.de> (raw)
In-Reply-To: FCEAKDJJAPHPLJFINDAJCEACCLAA.Stephan.Linke@epygi.de
Hi Stephan,
> Your right IOCTL is not applicable for this. You can simply call the driver
> functions directly. If these functions are called different from different
> context(s) (like your driver and the IOCTL function) you have to add some
> protection mechanism. (The code is not reentrant right?) You may try
> spin_lock() for this job (linux/spinlock.h). If you are calling the
> functions from interrupt contect too some extra protection is required...
Thanks for your reply.
But how could I call the ioctl handler of the driver?
I would need some (dummy) inode...
Steven
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2002-11-12 15:11 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-11-12 14:48 Using ioctl from with the kernel ??? Steven Scholz
2002-11-12 15:07 ` Stephan Linke
2002-11-12 15:11 ` Steven Scholz [this message]
2002-11-12 15:36 ` R: " Stefano Coluccini
2002-11-12 15:57 ` Stephan Linke
2002-11-12 16:05 ` Steven Scholz
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=3DD11A09.B58EDAE0@imc-berlin.de \
--to=steven.scholz@imc-berlin.de \
--cc=Stephan.Linke@epygi.de \
--cc=linuxppc-embedded@lists.linuxppc.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).