Date: Thu, 2 Nov 2006 20:52:35 -0800
From: Greg KH <greg@kroah.com>
To: Aubrey <aubreylee@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: How to add a device file to sysfs?
Message-ID: <20061103045235.GA24467@kroah.com>
References: <6d6a94c50610302130u55fc3f59n7be157a73c50805e@mail.gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <6d6a94c50610302130u55fc3f59n7be157a73c50805e@mail.gmail.com>
User-Agent: Mutt/1.5.13 (2006-08-11)
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 1180
Lines: 32

On Tue, Oct 31, 2006 at 01:30:36PM +0800, Aubrey wrote:
> Hi all,
> 
> When a misc device file is registered, there are two files under my
> own class directory:
> 
> /sys --> class --> misc --> myprog --> dev
>                                                   --> uevent
>                                                   --> myprog_show (to be 
>                                                   added)
> 
> Now, my question is, is it possbile to add the third file
> "myprog_show" under "myprog" directory without modify any common code?

Yes.

> I've read the doc under linux-2.6.x/Documentation, I can add it to
> some other directory, but not found a way to add it to my own
> directory.

After misc_register() has been successfully called, the variable "class"
will be set in the miscdevice structure.  Use that pointer to call
class_device_create_file() to create your new file in this directory.

Hope this helps,

greg k-h
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/