From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261433AbVGSP7x (ORCPT ); Tue, 19 Jul 2005 11:59:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261464AbVGSP7x (ORCPT ); Tue, 19 Jul 2005 11:59:53 -0400 Received: from e35.co.us.ibm.com ([32.97.110.133]:35045 "EHLO e35.co.us.ibm.com") by vger.kernel.org with ESMTP id S261433AbVGSP7w (ORCPT ); Tue, 19 Jul 2005 11:59:52 -0400 Subject: assignment of major number to serial driver -2.6.x kernels From: "V. ANANDA KRISHNAN" To: linux-kernel@vger.kernel.org Content-Type: text/plain Date: Tue, 19 Jul 2005 10:53:13 -0500 Message-Id: <1121788393.3756.8.camel@siliver.austin.ibm.com> Mime-Version: 1.0 X-Mailer: Evolution 2.0.2 (2.0.2-16) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi All, I would like to know whether the usage of 253 as major (device) number in serial port drivers is restricted in 2.6.x kernels. I am asking this question, though the documentation tells the driver developers that 253 is a reserved major number, 2.6.x Linux kernels can accommodate more than 255. Also I would like to know the procedure (and related info) to apply for getting a static number (major/minor) for devices in device drivers. Is this practice continued still? Thanks for your help. Regards, V. Ananda Krishnan