From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Sat, 7 Apr 2001 17:53:34 -0700 From: David Schleef To: Karsten Jeppesen Cc: linuxppc-dev@lists.linuxppc.org Subject: Re: Coding device driver for a minor device. Message-ID: <20010407175334.A27797@stm.lbl.gov> Reply-To: David Schleef References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: ; from karsten@jeppesens.com on Sat, Apr 07, 2001 at 12:42:19PM -0700 Sender: owner-linuxppc-dev@lists.linuxppc.org List-Id: On Sat, Apr 07, 2001 at 12:42:19PM -0700, Karsten Jeppesen wrote: > > I have done modules. > > Now the problem is that I have 2 pushbuttons that I would like to read. > Looking in the device list I see dev 10, which has a lot of - let us call it > miscellaneous - content. This one seems to fit here. Maybe as a minor 185 or > 186. > But how do I locate the device driver for device major 10? > > I am certain there is a simple way - somebody knows it? See linux/include/linux/miscdevice.h. And you should probably use a minor in the range of 240-255, as those are reserved for local use. dave... ** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/